Carrier 58MVP060 User Manual FURNACE Manuals And Guides L0411125
CARRIER Furnace/Heater, Gas Manual L0411125 CARRIER Furnace/Heater, Gas Owner's Manual, CARRIER Furnace/Heater, Gas installation guides
User Manual: Carrier 58MVP060 58MVP060 CARRIER FURNACE - Manuals and Guides View the owners manual for your CARRIER FURNACE #58MVP060. Home:Heating & Cooling Parts:Carrier Parts:Carrier FURNACE Manual
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58NVP 4-VVay MuMtipoise [HEATING VariabMe-Capacity & COOUNG Condensing Dkect-Vent Gas Furnace \isit_ v_w carrier.corn tnstammation, Start-Up, and Operating For Sizes 040 120, Read NOTE: manual the entire bei\_re starting Series t70 instruction the installation A93040 This symbol --> indicates a change since the last issue, Index Page DIMENSIONAL DRAWING ........................................................ 3 ..................................................... ...................................................... 2 4 ........................................................ 5 As an ENERGY STAR're Pmmer, Carrier CoLvoradon has detem*ined that this product meets the EN'FR(SY SAFETY CONSIDERATIONS Clearances to Combustibles/ Installed casing connected cut into of return-air (left Furnaces must DO NOT and side(s) sides DO NOT connect duct to back of furnace Downflow Step permitted to follow Furnaces The return-air The of the t'urnace side(s) Cteanable Filters may be field modified by cutting filter material and support rods (3) in filters. Alternate sizes can be ordered from your distributor or dealer 1 Factory-provided with furnace. lg Table 3--Maximum 21-IN,WIDE CASINGS ONLY: SUPPORT RODS (3) EXTEND 1/4" ON EACH SIDE OF FILTER AND REST ON CASING FLANGE 171/2dR, WIDE CASINGS ONLY: INSTALL FIELD-SUPPLIED FILTER FILLER STRIP UNDER FILTER. NOMINAL IRON P_PE SiZE INTERNAL DIAMETER (IN.) Capacity of Pipe* LENGTH OF PiPE (FT) 10 20 30 40 50 (BN.} t/2 0.622 175 120 97 82 73 3/4 0.824 360 250 200 170 151 1 1.049 680 465 375 320 285 1o1/4 1.380 1400 950 770 660 580 1-112 1.610 2100 1460 1180 990 900 * Cubic fi of gas per hr for gas _ressuresof 0.5 psig (14qn wc) orless, and a pressure drop of 05qn wc based on a 0.60 specific gravity gas)Ref: Table 9-2 NFPA 54-2002. c iii_,_, Gas valve "WASHABLE FINER shutoff Hh, s_itch MUST upward. Failure to _bllow property damage or death be _cing this for_,_ard or tilted x_aming coutd result in Never purge a gas line into a combustion changber. Never test _br gas leaks with an open flame Use a commercially available soap solution made specifically fbr the detection of leaks to check all connections. A failure to tb!!ow this warning death. FILTER RETAINER could result in _re, explosion, personal injury, or SUPPORT A00290 Fig. 25--Bottom FUter Arrangement Use proper mani_bld. length Failure leak resulting PANEL Closure inim T or death. of tee is vertical section into lower end of tee of gas controls manifold Capped Place connector Then connect nipple a grotmd and manual If a flexible is required jurisdiction, black furnace gas control valve iron should joint gas shutoff having An accessible A93047 Bottom personal union valve shall and extend below between furnace Panel casing manual shutoffvalve and within by authority be installed a rnininaum MUST 6 ft of furnace. gas (See Fig. 27) or allowed pipe a capped extend be installed at of 2 in. outside fm'nace casing. Failure to follow this caution result in potential chaJ:_[ing of flexible gas connection. FRONT FILLER Fig. 26--Removing in _]re, explosion, on gas control could result in a gas stlaight-through contIol L stress in riser leading to furnace Trap can be a tee to riser leading to furnace so level --> to a\oid this warning Install a sediment trap installed by connecting nipple BOTTOM CLOSURE PANEL of pipe to follow will external A 1/8-in. NPT to plugged tapping, accessible _br test gattge connection, MUST be installed immediately upstream of gas supply connection to _hmace and downsneam of manual shutoff valve NOTE: The gas valve inlet pressure use as test gauge exceed Fig 19 maximma_ 62.) connection 0.5 psig tap connection providing (14=in test pressure wc) stated is suitable to DOES NOT on gas valve (See GAS _ _--€ SUPPLY MANUAL _/ II SHUTOFF (REQUIRED)/_ Furnace control conhol will must be grounded lock out. for proper (ontrol is operation grounded or through green yellow wire connected to gas valve and burner box screw. Failure to follow this caution will result in intem_ittent f unit operation. 115-V WIR1NG Be%re proceeding voltage, with fiequency, fftrnace rating electrical and plate. connections, phase Also, correspond check is sufficient make to that certain that specified on to be sure d_at service by power supply equipment Refer to rating plate or Table to handle load provided imposed 4 for equipment by d_is electrical specifications Make all electrical Electrical Gas Pipe Arrangement Piping should and NFGC in the [ nited national plumbing connected. pipe be pressure and If pressure must pressure be or NSCNGPIC gas codes exceeds disconnected in Canada, before 0.5 psig f?om Electrical in accordance furnace (33%7) rise has been we), and Field-supplied and local, the famace (I4-in. is equal to or less than 0.5 psig (14-in. switch located that ground joint testing. Afier all connections check for leakage at fftmace gas supply on pressure gas valve bel\_re and fuse wc), mm off befPre union be loosened test. before shall be within the polarity pressure plate 8--EleetricN and and 24-v wiring. Check showing typical field and field electrical Proper 115-v control. No component switch door with could switch operation panel result opens l15=v connections to fhmace can occur. Do not bypass removed. in personal power Failure to follow VOLTS-HERTZ-PHASE 040-14 115--60--1 060-14 115--60--1 080o14 (7221 be maintained control stares this NFPA must be located for l15-v wiring. code indicator or local codes in accordance could result electrical ground. in electric Elec= personal This may consist fbr electrical with existing as an electrical to minimize occur. approved ground and Canadian Failure shock, ground codes. of when Do not to follow this fire, or death. Relocation 2 screws J-box holding auxiliary 180 ° and attach box J-box. (See Fig to left side, 30.) using holes provided ir_jury or death. OPERATING VOLTAGE RANGE Minimum* 127 104 8.9 127 104 8.9 115--60--1 127 104 080°20 115--60--1 127 100-20 115--60--1 120-20 115--60--1 Data MINIMUM WIRE SIZE LENGTH (FT).I: MAXIMUM FUSE OR CKT BKR AMPS** 14 31 15 14 31 15 8.9 14 31 15 104 13.8 12 32 20 127 104 13.8 12 32 20 127 104 13.8 12 32 20 Maximum* If light will or unbroken 70-2002 fhult should installed 2. Rotate MAXIMUM UN}T ANPS * Permissible limits 1 Unit ampacity = load amps $ Length shown is ** Time-delay type means to ftmaace have an unintemlpted wire or conduit 1. Remove or TaMe 4--Electrical UNIT SBZE of 63°F will NOT operate. electrical J°Box warning MUST use gas piping access National with the limitations accessible must fhmace to NEC ANSI (7ode CSA warning close polarity and f:umace according for tightness. Blower with and any local codes having jurisdiction A disconnecting ir_iury if an electrical diagram all factow shall conform and readily is incmTect, The cabinet with Connections See Fig. 28 for field wMng (722.1 or authorities specifications flash rapidly trical Step accordance 70°2002 and maxinmm minimum inlet supply pressures marked on the rating the f:umace burners ON at HI=HEAT and OFF. in NFPA branch electrical circuit containing a properly sized breaker for this furnace. See Table 4 fbr wire size sight from HOT'Z: It is have been made, purge lines prior to placing it into service. ANSI wiring Use a separate fuse or circuit gas supply capped Code CSA with within shutoff recommended The tested test If test pressure electric States leak connections (NEC) or ordinances that might apply For Canadian installations, all electrical connections must be made in accordance with Canadian A93324 Fig. 27--TyNcal Code MAXBNUM WIRE of voltage range at which unit will operate satisfactorily. 125 percent of largest operating component's fu{I load amps plus 100 percent of all other potential as measured 1 way along wire path between is recommended unit and service panel for maximum 2O operating components' 2 percent voltage drop. (EAC, humidifier, etc.) full .... .... --NOTE 5, FtVE_ WIRE THREE-WIRE _ H ONLY ' THERMOSTAT I (_ (_) (_ ' _ I J _ I I I I I E I _ "_ _ r___U27 __EEEExJ-® 115-V SINGLE PHASE ) \ I-----I In -- - @ @ I TERMINALS J I I FIELD-SUPPLIED DISCONNECT I i-_4... J 208/230- OR 460-V , I-- I @ NOTE', --!2.I / Gi:iW-i _ 115-V FIELD-SUPPLIED DISCONNECT FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-, 208/230-, 460-V WIRING AUXILIARY J-BOX _ | _ s- J /....... _ _J/m ____NOTE 1..... J(i. / SWITCH /_ .... 208/230-V / L__ r--I--- ' SINGLE iI I j 'I F j } PHASE ......... / FURNACE ---" CONDENStNGuNIT 24-V TERMINAL CONTROL CENTER TWO WIRE BLOCK NOTES: 1. 2. 3. 4. Connect Y or Y/Y2 terminal as shown for proper cooling operation. Proper polarity must be maintained for 115-v wiring. Use W2 with 2-stage thermostat when zoning. If any of the original wire, as supplied, must be replaced, use same type or equivalent wire. 5. Some thermostats require a "C" terminal connection as shown. A98325 Fig. 28--Heating and Cooling Application Wiring maintenance required, £urnace may use only contIol Diagram cause fuse to blow. a t_t_se of identical will flash status If fi/se replacement size (3 amp) and type code 24 when fi/se needs is The replace- n'lent ELECTRIC DISCONNECT SWITCH NOTE: Use AWG No 18 color-coded lengths up to 100 ft For wire lengths 1d wire. ® NOTE: Fig For additional them_ostat copper over them_ostat wire for 100 _L use AWG connection diagrams, No. reference 54o6! A93033 Fig. 2g--Disconnect Do not connect and f_/mace. Use aluminum Switch wire between only copper follow this caution will result performance satisfl_ction. and Furnace wire disconnect (See Fig in intem_ittent 29) switch Failure to unit operation or FIELD LOCATION --€ If manual disconnect switch is to be mounted select a location where a drill or _hstener will electrical or gas components will result in intem_ittent satisfitction. f//'_ FACTORY INSTALLED LOCATION on furnace, not contact Failure to J:bllow this caution unit operation or perfbm_aace 24oV WIRING Make field 24-v thermostat connections at 24ov tem_inal block on £umace control Y wire from d_em_ostat MUST be connected to Y YY2 terminal on contlot, as shown in Fig. 28, for proper cooling operation. The 24ov tem_inal block is marked for easy connection of field wiring. (See Fig. 32.) The 24ov circuit contains a 3-amp, automotiveotype fuse located on fi/mace control. (See Fig. 32.) Any electrical shorts of 24ov wiring during installation, service, or A00212 Fig. 30--Relocating 2i J=Box AC( ESSORIES 1. Electronic Air (leaner The t:arnace control (1 0-amp maximum) Connect an accesso_ are energized blower Electronic connect terminals and EACo2. n_axinmm CARBON terminals during 1i4oin. female quick quick-connect (hA() EAC with 115v Failure operation. connected Air (?leaner terminals The terminals are rated during using could to the two male 1i4oin. on the control and are energized (if used) board marked _br 115VA(, blower The EAC-1 24 VA(, screw terminal The HUM heating. steps shall 1. Seal any unused an accessow 0.5 amp maximmn terminal on the control is energized HUM board when thermostat blower and contwl HUM terminal there and all doors to HUM ance(s) (humidifier) terminal on Thermidistat-r_L Zone Controller or similar device. See Thern'lidistaff M, Zone Controller, thermoo star, or controller connection. manui:acturer's instructions %r The 0--Direct 58MVP only) ft_rnaces combustion require is taken directly gases are discharged REMOVAL VENT (one a direct-vent fi'om outdoor to outdoor OF EXISTING COMMON a dedicated In proper 58MVP system, atmosphere, (?ode and these is no blockage and all flue the being inspected appliance an existing original venting the remaining I venting _hmace attached system and vent, and spillage (ategory system I fitrnace appliances. could cause leakage of combustion lighting is removed be sized An improperly the %rmation of condensate products or replaced, to properly burner and combustion 54 andor (SA lation (?ode. etc. 9. After Place opening fireplace above, ance to their Vent system other appliances system B149A, dampers determined 22 system return so resizing appliances that each properly doors or candle. in accordance Z223.INFPA Instal° appliance con° vents when tested windows, exhaust burning _hns, applio of use. may need to be resized. vent systems must be sized to approach vent sizing at of main Gas and Propane conditions or vent connectors or connector appliance any of the above and any other gas-fired determined using appropriate or NSCNGPI( the 5 minutes during Natural previous when a summer the them_ostat of a match is observed to the xenting as outlined fans, such as equipped aker Use the flame it has been nected and not connected operate Adjust from draft hood x enting applio continuously. relief operation. an so they are opera° not instructions. the are located tests, the venting system must be corrected with the National Fuel Gas (7ode. ANSI in the products, space, exhausts, into operation. hood 8. If improper sized Categoo- of condensate into the living the vent system Do cause doors and windows in which and any appliance is operating Deterleakage, could Turn on any exhaust speed. 7. Test for spillage may no longer space and bathroom 6. Follow FROM SYSTEMS the dQ'ers system. ing at maximum exhaust fan. the drak ---5 When close all building dampers. for which to the xenting 5. Turn on clothes instructions. or restriction, deficiencies, 4. (?lose fireplace atmosphere. FURNA(ES are system. of the building. furnace al! air system size and horizontal connected range hoods system. to the _ enting in _enting other spaces Venting directovent appliance into operation, for proper between to the x enting Step for each being placed system corrosion and other unsafe condition. _i/rnace into operation or death openings 3. As far as practical, connect be followed connected Installation mine that in (See Fig. 32.) DO NOT poisoning system the x enting Propane strip. is energized for each appliance placed pitch, as required in the National Fuel Gas (;ode, ANSI Z223A NFPA 54 or the (SA B149.1. Natural Gas and humidifier terminal being monoxide to the venting 2. Inspect (if used) to the 1/4-in. male quickoconnect ( o\_-24V following HAZARD below not in operation: (HUM) Connect in carbon system xxhile all other appliances operation. (See Fig. 32.) 2. Humidifier POISONING the steps outlined to the venting result connected 1.0 amps motor MONOXIDE to fbllow or vent For any connectors, n_ininmm size as table fbund in the NFGC CONNECTION DIAGRAM sw178 D 040060 MODEL 38_080 _ ) ...... DE_ D 5252 O_ 700 D_ 875 1050 O D 1225 o 122 1 1225 5T0DE, 0 700 0, ,050 ,225 ,400 120 DE_ _lt cont fan ai ]ow w len CF Mtch_ hesa Y1 DHUM G Corn_V]R 24V CPU DHUM EAC1 Microwocessor / Circuitry DHUM Connection (24VAC) Electronic Air Clea net Connection (115VAC 1 0 Amp Max) ElectroNc AirCleaner Connection (Common) Rarne Rollout Switch Man Reset SPST(NC ) GV FSE GVR HPS HPSR 1750 Fuse 3 Amp Aulomotive Blade Type Factory Installed Gas V_lve Flame Proving Sensor Electrode Gas Valve Relay OPSf (NO) High Heat Ressure Sw_tN1 SPST(NO) High Heat Ressure Swlt{ h Re]ay SPST(NC) HSIR Hot Surtdce Igniter Relay SPST(NO) HUM 24VAC Humidifier Connection (05 Amp Max) HUMR Humidiaer SPST(N O ) HSI Hot Surtdc Rela_ e Ign_er (115VAC) IDM Inducer Draft Motor 2 Speed Shaded Pole IDR Inducer Motor Relay SPST(NO) IHI/LOR Induc_ Motor Speed Change Re4ay SPDT -- ar_ in )FF position S] c IJS _ I 3161 7 IIII _ m _ N I r_ F_ --_P 54 3 2 1 IIII I -writ- _ :L RED _ LGPS LED LPS IS IND PC£ PL1 PL2 PL3 PL4 PLY PL9 PL10 Low Pressure Swath SPST(NO/ Light Gas Emitting Diode for Stdtus Codes Low Heat Pressure Switch SPST(NC)) Limit Switch Auto Reset,SPST(NC) Inductor(Note#7) Printed CimuK Board 12 Circuit Connector 4 Circuit HSI & IDM Connector 4 CircuK ECM BLWM Connector 4 CircuR M odel Plug Connector 4 Circuit Communication Connector 2 Circuit OAT Connector 2 Circuit HSI Connector PL11 PL12 PL13 PL14 SW11 SW1 2 go/1 3 SW1 4 IDM Connector (12 Circu_c) 1 Cirr uK Inductor Splice Connector 16 Circuit ECM Bbwer Cod Connector 5 Circuit ECM Blower Power Connector Manual Switch Status Code Recall SPSf (N O ) ManuaISwitdl Low Heat Only SPST(NO) Manual Switch Low Heat Rise Adj SPST(NO) ManuaISwitch Comtort/Efficiency Adjustment SPST(NO) ManuaISwitch Cooling CfM_or SPST(NO) SW1 5 I I 4 I 210 )in O_ posi_on _ _rCond_ioning Relay Detent Air Conditioning Relay SPSI (N Jumper O ) Blower Motor (ECM) Con_nuous Fan (Adjustable Airflow C[M) A_rCondiBoning(AdjustableAHow CFM) Communication Relay SPDT FUSE 1400 _ ACRDJ ACR BLWM C[ C COMMR EAC 2 FRS i /Cswlt 1ZZ5 HtA/C V'72 ir_ow vhen, 1050 1 Det AC I 875Z 2 Oet _[_ I 700 gCll 6 Manual Switch Component Test SPST(NO) SW1 78 Manual Switches Blower OfFDelay SPST(NO) SW41 Manual Switch TWlnning Main (O_F)/Sec (ON) - O _ UNC ON TERMINAL CONfROL fERMINAL FACTORYPOWER WIRING (115VAC) FACTORYCONTROL NOTES: WIRING (24VAC) FIELDCONTROL ----WIRING (24VAC) CONDUCfOR ON CONTROL FIELDWIRING _l SCREWTERMINAL EQUIPMENT GROUND Fig. 31--Wiring Use N_e oNy copper bel_teen totbe disconr'ecl _,vitch for andcout_ tl_e o! fiarnace junclion This r_dst bew_re cc4?nected furnace sr_et rr_lal to prove f!ar_ bex (J B} f : If any °f tl_e wire isonly replace_ use wire rated f°r f05°C S}n_bols are °rgin_ electric_equipl_enl lepresental_on Sdid iiees inskte PCB ale pnnted cimuit beard conYdcto_s alld are pot i_clt_ ied in legend il Replace only w_lJ_a 3 amp fuse Inductc{ is used with 3/4 I_p aid 1 hp ECM Blower motors ] Faclory connected vZqen (LGPS) not used Blower off delag gas beatir N selecl_ons are (90,12011501180) seconds, o:)oling or [_at pump 90 seconds or 5 seconds _'_'en behurr of vent condensate (ombustion=air termination cement combustion-air sized for 2-in. pipe NOTE: Slope combustion-air and vent pipes a n_ininmm of 1/4 in. per linear ft with no sags between hangers. (ASTM) In Canada, construct all combustion-air of (SA or ULC listed sche&de=40 and zone, preferred), 6 for required using When vent pipe is exposed such as when and vent pipes pressure Center must either terminate through together in same roof" or sidewall accesso W termination chimney (roof kit clearances 24 it passes is used in Table follow this caution an unheated pipe 8 with Armaflex-type will result l{ to temperatures through as a raceway, shown e in minor must below fieezing, space or when be insulated insulation Failure unit operation, a as to TABLE 8--APPROVED ASTM SPECBFRCATION (MARKED ON NATERIAL) D1527 COMBUSTION-AIR AND VENT PIPE, FiTTiNG AND CEMENT MATERIALS _,_ATERIAL PIPE FITTtNGS SOLVENT CEMENT AND PRBNERS ABS Pipe -- Schedule-40 Schedule-40 D1785 PVC Pipe -- D2238 For ABS -- -- D2241 PVC Pipe -- SDR-21 & SDR-26 D2468 PVC -- Fittings Schedule-40 D2468 ABS -- Fittings Solvent Cement For ABS Schedule-40 Solvent Cement D2564 For PVC -- -- D2G61 ABS Pipe Fittings D2G65 PVC Pipe Fittings F438 CPVC -- Fittings Schedule-40 F441 CPVC Pipe -- Schedule-40 F442 CPVC Pipe -- F493 For CPVC -- -- F628 F656 ABS For PVC Pipe -- --- F891 PVC Pipe -- For PVC DWV at Schedule-40 SDR Solvent Cement For CPVC Cellular Core DWV at Schedule-40 Primer Combustion air must not be taken fiom inside Cellular Core Schedule-40 elements cleaning are found solvents, other household as possible in aerosols, detergents, salts, air fresheners, products. Locate fi'om swimming structure NOTE: by halogens, and iodides. within bleaches, adhesives, paint, combustion=air pool Excessive exposure in safety Solvent cements sparks, and open Avoid eyes. property All are breathing Failure to contaminated and perfbrmance Use in vapor to follow Keep only and vent away fiom will heat, in well ventilated or allowing injury, air problems. contact this warning personal combustion-air watertight combustible. flame. damage, combustion related could with result areas. skin or in fire, or death. pipes must airtight 37, 38, 39, 40, or 41. Failure to fbllow this warning result in property damage, personal ir_jury, or death. could The minimum water &oplets. combustion-air These droplets minimum offset pipe section to reduce excessive Combustion-Air Detem_ine 1. Using combustion-air Table may be undesirable, fi'om exiting confbustion-air and vent pipe diameters. diameters use combustion=air 2, When smallest and this Pick the diameter housing nected. smallest fbr allowable vent systems pipe diameter pipe tength, or be cemented except connection attachment since of it may be pipe as follows: location of combustion-air intake pipe connec- intake housing combustion=air unused of both d. Install where pipe into selected of" short must combustion-air b. Reposition larger in terminations in Fig. 37, 38, 39, 40, and 41. pipe fbr servicing. c. Insert perforated the or as shown in Fig. 34 for application. and vent pipes, installing to remove appropriate these 2 pipe in Fig. 35, vent pipe outlet. determine or pipe sections areas pipe to inlet housing tion to combustion-air Pipe Diameter individtlally flame disturbance, arid Vent Pipe Attachment a. Determine and vent pipe diameter. 7, elbows All pipe joints 1. Attach (each) and a 12-in. as shown combustion, may occur. See shaded combustion-air (5-8 ft) may discharge is recommended, droplets and Vent NOTE: necessary and vent pipe length is 5 ft. Short pipe lengths Do not count furnace Combustion-Air and in Fig for d_ese [i/maces exactly be as shown NOTE: Pipes must also tem_inate lockout An 080o14 size filrnace located in Indianapolis, elevafion 650 ft above sea tevel, could be installed in an application reqniring 3 elbows and 17 ft of vent pipe, along with 5 elbows and 16 t't of combustion=air pipe Table 6 indicates this application would allow a l-li2=in, dianreter vent pipe, but require a 2-in. diameter combustion air pipe (1°li2-in. pipe is good for 20 ft with 3 elbows, but only 10 ft with 5 elbows). Therefore, 2=in. diameter pipe must be used fbr both vent arid combustion-air pipes since larger required diameter must always be used fbr both pipes. If same installation were in Albuquerque, elevation 5250 ft above sea level, installation would require 2-in. vent pipe and combustion-air pipe. At 5001o to d000=ft elevation, 1ol/2in. pipe is not allowed with 5 elbows, but 2-in. pipe is good for 68 ft with 5 elbows. pump house, result or incomplete sense & DWV EXAMPLE: and inlet as _r pool and swimming IPS sizes For PVC flame because that air is frequently contaminated which include fluorides, chlorides, bromides, IPS sizes DWV than reqnired These DESCRBPTION support use the Do not use pipe size greater e. Insert 25 intake intake housing housing disk assembly combustion-air intake (fi_ctory=supplied ftlrnace casing be positioned 2-in. diameter fitting (fi_ctoD- supplied) support should plug in connection. pipe in loose combustion-air to bottom pipe into intake in intake will be con- parts bag) pipe hole. Pipe of casing housing. hole. _lr *a _] (_AIR VENT TERMINAL item Clearance A Clearance anticipated B Clearance Description above grade, veranda, Canadian porch, deck, balcony, or E_ INLET Installation AREA WHERE TERMINAL IS NOT PERMITED (I) U.S Installation (2) 12" (30cm) # 12" (30 cm) 6"(15crn)forappliances<10,OOOBTUH(3kW),12"(30 6" (15 crn) for appliances cm) for appliances > 16,000 Btuh (3 kW) and <100,600 Btuh (30 kW), 36" (91 cm) for appliances > 160,000 Btuh (30 kW) for appliances > 10.0O0 Btuh (3 kW) and < 50,000 Btuh (15 kW), 12" (30 cm) for appliances > 56,006 Btuh (15 kW) snow level to a window or door that may be opened C Clearance D Vetfical clearance to a permanently to a ventilated soffit located above the distance of 2"(61 cm) from the E Clearance to an unventilated P Clearance to an outside corner G Clearance to an inside corner H Clearance soffit to each side of the centedine meter or gas service I Clearance to service J Clearance to non-mechanical the combustion < 10,600 BTUH (3kW), 9" (23 cm) closed window terminal within a horizontal centerline of the terminal electrical SUPPLY regulator 3" (91 cm) within 15 (4.5 m) above the meter/regulator 3" (91 cm) within 15"(45 regulator assembly extended above assembly assembly vent outlet 3" (91 cm) air supply inlet to building or air inlet to any other appliance 6" (15 ore) for appliances for appliances kW)and < 10,OOOBTUH (3kW), 9" (23 ore) > 10.0O0 Btuh (3 kW) and < t 06,000 Btuh (30 < 50,000 Btuh (15kW), 12"(30cm) forappliances 6" (t 5 ore) for appliances for appliances m) above the meter/regulator < 10,OOOBTUH (3kW), 9" (23 ore) > 10.0O0 Btuh (3 kW) and < 50,000 Btuh (15 kW), 12" (30cm)for appliances > 50,060 Btuh (15 kW) > 50,000 Btuh (I5 kW) K Clearance to a mechanical air supply inlet L Clearance under a veranda, porch, deck. or balcony 12" (30 cm) + M Clearance to each side of the centedine 12" (30 cm) 12" (30 cm) 3" (91 cm) 3" (91 cm) 3" (91 cm) 3" (91 cm) below vent terminat of the furnace vent, or other appliances N Clearance O Clearance extended above or to a dryer or water heater of a dryer vent, water heater direct vent intake or exhaust. from a plumbing vent stack (1) In accordance with the current CSA B 149 1, Natural Gas and Propane (2) In accordance with the current ANSl Z223.1/NFPA # 18" + Permitted 3" (91 cm) above if within 10'(3m horizontally) direct vent intake or exhaust to the vent terminal vent. or other appliances 6" (1.83 m) Installafion Code 54. Nafional Fuel Gas Code (46cm)aboveroofsurface only if veranda, porch, deck, or balcony is fully open on a minimum of t_vo sides beneath the floor For clearances manufactureCs not specified in ANSi Z223.1/N PPA 54 or CSA B 149.1, clearances installation instructions shall be in accordance with local installation codes and the requirements of the gas supplier and the Notes: 1. 2. The vent for this appliance shall not terminate a Over public walkways; or b. Near soffit vents or crawl space vents or other areas where condensate or vapor could create a nusiance or hazard or property c to the operafion Where condensate vapor could cause damage or could be detrimental of regulators, damage; or relief valves, or other equiprnent. When Iocafing vent terminations, consideration must be given to prevailing winds, location, and other conditions which may cause recirculation Recirculafion can cause poor combustion, inlet condensate problems, and accelerated corrosion of the heat exchangers. of the combusfiob products of adjacent vents A03227 -_ Table 6--Direct Vent Termination 26 Clearance COMBUSTION=AIR The combustion-air unused ( by using fitting, using NOT IN HORIZONTAL SECTION DO NOT housing or fitting A plugged NOTE: Moisture improper termination in Fig. 33--Combustion-Air and Vent Pipe Diameter Transition Location and Elbow Configuration moisture Select 1 vent pipe connection and 1 combustion-air pipe connection. COMBUSTION-AIR 7 Install a screw. Breakage of intake to occur on this fitting intake intake pipe may be intake result of pipe tem_ina- light snow or other sources of in a 3/16=in. and AiC a 1i8=im hole in as a guide combustion-air where is desired, drill and conuect This tube should f_/mace be must in Fig. 37, 38, 39, 40, or 41 so it will to areas could be pulled tube AIR in fitting has been provided combustion=air to that shown plug with NOTE: Select 1 vent pipe connection and 1 combustion-air pipe connection. be installed This is found in combustion-air If use of this drain connection NOTE: must SCREW air leakage Ensure not be susceptible FITTKNG or by &tiling housing OVERTIGHTEN may cause &ain connection tion is similar A93034 fitting 6 or No. 8 sheet metal fk_r use when moisture and combustion box TRANSITION IN VERTICAL SECTION PLUG housing iu intake No NOTE: plug intake RTV sealant, hole field=supplied HOUSING intake combustion=air attached FURNACE INTAKE be routed (if used), drill out fitting's a field-supplied to open and should tap 3/8-in. condensate &ain be trapped fk_r (See Fig. 36.) COMBUSTION-AIR 2. Attach vent pipe as fbllows: a. Determine housing location b. Reposition ._T (rubber) to appropriate tion. Tighten _ pipe connection to inducer in Fig. 34 for application. elastomeric and clamp COMBUSTIONAIR of vent as shown inducer unused housing inducer outlet housing cap connec- clan?p. COMBUSTIONAIR AiR FLOW UPFLOW COMBUSTIONAIR DOWNFLOW COMBUSTIONAIR VENT Inducer housing against inducer housing. Clamp must any condensate leakage. Failme to follow result VENT outlet in electrical cap must be installed shock, fire, personal condensate DISCHARGE HORIZONTAL-RIGHT to prevent this warning injury, could or death. c Install pipe support (ii_ctory-supplied in loose parts bag) into selected furnace casing vent pipe hole, Pipe support should be positioned to bottom of casing hole, Vent pipe must be installed housing internal stop (lamp HORIZONTAL-LEFT and _idly seated be tightened result DISCHARGE NOTE: casing. A96187 leakage. in electrical A 2-in. Make Failure shock, diameter and coupling NOTE: A 2=in, diameter pipe must be used within the furnace casing Make all pipe diameter transitions outside _:urnace casing, Insert {rubber) g, Drill a 1/8-in, hole iu 2-in, combustion-air in intake housing as a guide the clamp both clamps within outside fi'om combustion-air ti/rnace to casing. housing onto connec- vent pipe are elastomeric (rubber) inducer vent housing vent pipe _hrough the and Nlly into inducer on the internal the pipe to inducer to 15 inAb. the furnace I:umace iaous- stop. Tighten iaousing. Tighten of torque. hole filler cap (ti_ctory=supplied in unused 3. Working coupling could or death. of inducer the 2°in. diameter to secure e. Install casing be used clamps) until it bottoms screws warning and 2=in. diameter the 2 loose elastomeric ing connection h, Install a field-supplied No, 6 or No, 8 sheet metal screw into combustion=air pipe, sur_itces dw-. Assemble connection. bag) must this injury, transitions coupling, (with £ Install casing hole filler cap (factou-supplied in loose parts bag) in mmsed combustion=air pipe casing hole pipe using hole pipe that mating tion, elastomeric clean to _bllow fire, personal all pipe diameter d. Be certain Fig. a4_Combustion-Air and Vent Pipe Connections and fully seated against inducer must be tightened to prevent any pipe casing outside, cut in loose parts hole. pipe to required length(s). NOTE: DO NOT OVERTIGHTEN SCREW. Breakage of intake housing or fitting may cause air leakage to occur. NOTE: Do not attach combustion-air intake pipe pem_anently to combustion-air intake housing since it may be necessary to remove pipe for service of igniter or flame sensor, 4 Deburr 5 Chamfer outside and cemeut. 6. Clean 27 inside and outside of pipe, edge of pipe _br better and dV all surfaces to be joined. distribution of primer 121M,Nd, H 9÷ -.,_ VENT 12" MIN _,_ VENT PIPE PIPE -'-_11 _jJ- HORIZONTAL COMBUSTION-AIR PIPE /' COMBUSTI:N-AIR PIPE HORIZONTAL TO SIDEWALL TO ROOF COMBUSTION-AIR f COMBUSTION-AIR PIPE VENT PIPE PIPE J-_ Z_ 12" MIN-_D,-VENT PIPE VERTICALTO ROOF VERTICAL TO SIDEWALL NOTE: A 12 In. minimum offset pipe section is recommended with short (5 to 8 ft) vent systems. This recommendation is to reduce excessive condensate droplets from exiting the vent pipe. A96230 Fig. 38--Short Vent (8 to 8 Ft) System CONCENTRI( VENT AND COMBUSTION=AIR TERMINATION KIT INSTALLATION 7. Check &y fit of pipe and mark insertion depth on pipe. NOTE: It is recommended that all pipes be cut, prepared, preassembled beK_re pem_anently cementing any.joint. and NOTg:: If these instructions dif_'cr flora those packaged with tem_ination kit, follow kit instructions. g. After pipes have been cut and preassembled, apply generous layer of cement primer to pipe fitting socket and end of pipe to insertion mark. Quickly apply approved cement to end of pipe and fitdng socket (over primer) Apply cement in a light, unii:orm coat on inside 05"socket to prevent buildup 05"excess cement Apply second coat Combustion-air and vent pipes must terminate outside structure. A factoQ' accessory termination kit must be installed in 1 of the installations shown in Fig. 37, 38, 39, 40, or 41. Four temaination kits are available. --9 See Table 6 for additional termination information. 1. The 2-in. termination bracket kit is 5br l=in. 1ol/2 in., and 2°in. diameter 2°pipe termination systems. 2. The 3=in temaination bracket kit is 5br 2ol/2 in. and 3=in. 9. While cement is still wet, twist pipe into socket with 1/4 mm Be sure pipe is fully inserted into fitting socket 10. Wipe excess cement fi'om joint. A continuous bead of cement will be visible around perimeter of a prope*ly made joint. diameter 2-pipe termination systems. 3. The 2-in. concentric vent/air termination kit is for l-in, 1-1/2 in., 2=in. and 2-!/2 in. diameter pipe systems when single penetlation of wall or roof is desired. 4. The 3-in. concentric vent/air termination kit is £_r 2-1/2 in. and 11. Handle pipe joints carefhlly until cement sets 12. Support combustion-air and vent piping a minimum of eve W 5 ft (3 k 5br SDR-21 or -26 PVC) using perSbrated metal hanging strap 3=ira diameter pipe systems when single penetlation of wall or roof is desired. 13. Slope combustion-air and vent pipes downward toward 5hrnace a minimum of 1/4 in per tinear ft with no sags between hangers NOTE: Shaded parts in Fig. 37, 3g, 39, 40, and 41 are considered to be tet_ninations. These components should NOT be counted when dote*mining pipe diametm Root" tem_ination is preferred since it is less susceptible to damage, has reduced chances to take 14. [se appropriate methods to seal openings where vent and combustion=air pipes pass through roof or sidewall 28 Tab{e 7--Maximum ALTITUDE 0 to 2000 (IN.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-tn. Concentric 1-1/2 50 45 40 35 30 25 2 70 70 70 70 70 70 060-14 2 Pipe or 2-tn. Concentric 1-1/2 50 45 40 35 30 25 2 70 70 70 70 70 70 080-14 080-20 2 Pipe or 24n. Concentric 1-1/2 30 25 20 15 10 5 2 70 70 70 70 70 70 100-20 2 Pipe or 2-tn. Concentric 20 3001 to 4000 A_titude A_titude 5001 to 60005 See notes on next Termination 45 40 35 30 25 70 70 70 70 70 70 2-1/2 10 NA NA NA NA NA 3 35 30 15 NA NA NA 31: 70 70 70 70 70 70 Number of 90 ° Elbows Pipe Diameter (In.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-tn. Concentric 1-1/2 45 40 35 30 25 20 2 70 70 70 70 70 70 060-14 2 Pipe or 2-tn. Concentric 1-1/2 45 40 35 30 25 20 2 70 70 70 70 70 70 080-14 080-20 2 Pipe or 2-in. Concentric 1-1/2 26 21 16 11 6 NA 2 70 70 70 70 70 70 100-20 2 Pipe or 2-in. Concentric 2 40 35 30 25 20 15 2-1/2 70 70 70 70 70 70 120-20 2 Pipe or 3-in. Concentric 3 31 26 12 NA NA NA 31 63 62 62 61 61 61 Number of 90 ° Elbows Termination Type Pipe Diameter (In.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-in. Concentric 1-1/2 42 37 32 27 22 17 2 70 70 70 70 70 70 060-14 2 Pipe or 24n. Concentric 1-1/2 42 37 32 27 22 17 2 70 70 70 70 70 70 080-14 080-20 2 Pipe or 2-tn. Concentric 1-1/2 25 20 15 10 5 NA 2 70 70 70 70 70 70 100-20 2 Pipe or 2-tn. Concentric 2 38 33 28 23 18 13 2-1/2 70 70 70 70 70 70 120-20 2 Pipe or 3-tn. Concentric 3 29 24 10 NA NA NA 31 50 59 58 57 57 56 Unit Size Termination Type Pipe Diameter (In.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-tn. Concentric 1-1/2 40 35 30 25 20 15 2 70 70 70 70 70 70 2 Pipe or 2-tn. Concentric 1-1/2 40 35 30 25 20 15 2 70 70 70 70 70 70 080-14 080-20 2 Pipe or 2-tn. Concentric 1-1/2 23 18 13 8 NA NA 2 70 70 70 70 70 68 100-20 2 Pipe or 2-tn. Concentric 2 36 31 26 21 16 11 2-1/2 70 70 70 70 70 70 120-20 2 Pipe or 3-tn. Concentric 31 56 55 54 53 52 52 Unit Size Termination Pipe Diameter Type (In.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-tn. Concentric 1-1/2 37 32 27 22 17 12 2 70 70 70 70 70 70 060-14 2 Pipe or 2-tn. Concentric 1-1/2 37 32 27 22 17 12 2 70 70 70 70 70 70 080-14 080-20 2 Pipe or 2-tn. Concentric 1-1/2 22 17 12 7 NA NA 2 70 70 70 70 68 63 100-20 2 Pipe or 2-tn. Concentric 2 33 28 23 18 13 8 2-1/2 70 70 70 70 70 70 120-20 2 Pipe or 3-tn. Concentric 31 53 52 50 49 48 47 060-14 4001 to 5000$ 2 Pipe or 3-tn. Concentric 2 2-1/2 Type Unit Size A_titude OF 90 ° ELBOWS PIPE DIAMETER Unit Size 2001 to 3000 NUMBER TERMINATBON TYPE 120-20 A_titude AHowable Pipe Length (Ft) UNIT SRZE page. 29 Number of 90 ° Elbows Number of 90 ° Elbows Table7--MaximumAJtowablePipeLength ALTITUDE 6001 to 7000_ A_tJtude 7001 to 80OO_ A_titude 8001 to 9000_ A_titude 9001 to t0O0O_ UNIT SRIE TERMINATION TYPE (Ft) Continued NUMBER OF 90 ° ELBOWS PiPE DIAMETER (_N.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-In. Concentric 1-1/2 35 30 25 20 15 10 2 70 70 68 67 66 64 060-14 2 Pipe or 2-In. Concentric 1-1/2 35 30 25 20 15 10 2 70 70 68 67 66 64 080-14 080-20 2 Pipe or 2-In. Concentric 1-1/2 20 15 10 5 NA NA 2 70 70 68 67 62 57 100-20 2 Pipe or 2-In. Concentric 2 31 26 21 16 11 6 2-1/2 70 70 68 67 66 64 120-20 2 Pipe or 3-In. Concentric 31- 49 48 47 45 44 43 Unit Size Termination Type Pipe Diameter (In.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-In. Concentric 1-1/2 32 27 22 17 12 7 2 66 65 63 62 60 59 060-14 2 Pipe or 2-In. Concentric 1-1/2 32 27 22 17 12 7 2 66 65 63 62 60 59 080-14 080-20 2 Pipe or 2-In. Concentric 1-1/2 18 13 8 NA NA NA 2 66 65 63 62 57 52 100-20 2 Pipe or 2-In. Concentric 2 29 24 19 14 9 NA 2-1/2 66 65 63 62 60 59 120-20 2 Pipe or 3-In. Concentric 31- 46 44 43 41 40 38 Unit Size Termination 6 Number of 90 ° Elbows Number of 90 ° Elbows Pipe Diameter Type (In.)* 1 2 3 4 5 040-14 2 Pipe or 2-In. Concentric 1-1/2 30 25 20 15 10 5 2 62 60 58 56 55 53 060-14 2 Pipe or 2-In. Concentric 1-1/2 30 25 20 15 10 5 2 62 60 58 56 55 53 080-14 080-20 2 Pipe or 2-In. Concentric 1-1/2 17 12 7 NA NA NA 2 62 80 58 56 51 46 100-20 2 Pipe or 2-In. Concentric 2 27 22 17 12 7 NA 2-1/2 62 60 58 56 55 53 120-20 2 Pipe or 3-In. Concentric 31- 43 41 39 37 35 34 Unit Size Termination Type Pipe Diameter (In.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-In. Concentric 1-1/2 27 22 17 12 7 NA 2 57 55 53 51 49 47 060-14 2 Pipe or 2-In. Concentric 1-1/2 27 22 17 12 7 NA 2 57 55 53 51 48 47 080-14 080-20 2 Pipe or 2-In. Concentric 1-1/2 15 10 5 NA NA NA 2 57 55 53 51 46 41 100-20 2 Pipe or 2-In. Concentric 2 24 19 14 9 NA NA 2-1/2 57 55 53 51 49 47 120-20 2 Pipe or 3-In. Concentric 31- 39 37 35 33 31 29 Number of 90 ° Elbows Disk usage--Unless othepMse stated, use perforated disk assembly (factory-supplied in loose parts bag) 1 Wide radius elbow $ Vent sizing for Canadian installations over 4500 ft (1370m) above sea level are subject to acceptance by the local authorities having jurisdiction. NA--Not AHowed; pressure switch will not make NOTES: 1 Do not use pipe size greater than those specified in table or incomplete combustion, flame disturbance, or flame sense lockout may occur 2 Size both the combustion-air and vent pipe independently, determine the smallest diameter allowed by the table for each pipe, then use the larger diameter for both pipes. 3 Assume two 45 ° elbows equal one 90 ° elbow Long radius elbows are desirable and may be required in some cases 4 Elbows and pipe sections within the furnace casing and at the vent termination should not be included in vent length or elbow count. 5 The minimum pipe length is 5 ft for all applications 3O For applications COMBUSTION - AIR INTAKE HOUSING nsing BURNER BOX Sidewall 41. terminations For applications _COMBUSTION AIR PIPE 4 Disassemble 5 Check Concentric OPEN DRAIN using contaminants, Sidewall surfaces and has less visible prodacts Exposed Sidewall confbustion=air extended beyond insulating pipes 2. Using Termination location combustion-air winter Pipe design temperature length insulation (it) in unconditioned mining spaces Termination accumulation ibr exposed J:Pr maximan_ cannot as stated in Table where vent vapors or air conditioning be positioned leaves equip- so it will (such as inside kit shou!d kit should exceed pipe 2. from position loose pipe fittings as used 1. Determine Fig. 36--Intake option Fig. 40 procedures TO pipe Insta!l bracket lines in Fig 40, rotate DRILL combustion-air by dashed lines in Fig. 37, install 90 ° street elbow into 90 ° elbow, making U-fitting. A 180 _ U-fitting may be used. will in Fig. 37. 31 between "A" in Fig. 42, 43, 44, 45, and 46 represents pipes separation. or rain shields, as touching or 2-in. AIR AND VENT 8 3/4" FOR 3" KIT 6 3/4" FOR 2" KIT MAINTAIN 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF. jJJ / MAINTAIN 12 IN. ,.\__ _-_ .. . :..." (18 IN. FOR CANADA) MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF. 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE, WHICHEVER IS GREATER. A93055 A93054 Fig. 38--Concentric Vent and Combustion-Air Termination {Preferred} Fig. 39--Concentric Roof IN. SEPARATION BOTTOM OF •COMBUSTION AIR AND OF VENT COMBUSTION-AIR Vent and Combustion-Air Termination ,,7 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE, WHICHEVER IS GREATER. :...' / Z-COMBUSTION-AIR (ELBOW PARALLEL TO WALL) A87225 Fig. 40--Sidewall Termination Side BOTTOM OF COMBUSTION AIR AND OF VENT 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE, WHICHEVER IS GREATER. A87226 of 12 in. or More Fig. 41--Sidewall 32 Termination of Less than 12 in. A96128 Fig. 42--Rooftop Termination (Dimension "A" is Touching or 2-In. Maximum Separation) AIR VENT A93057 A93056 Fig. 43--Concentric Vent and Combustion-Air Termination (Dimension "A" is Touching 2qn. Maximum Separation) Fig. 44_Concentric Vent and Combustion-Air Termination (Dimension "A" is Touching 2qn. Maximum Separation) Roof or Side or / ff AIR COMBUSTION A96129 A96130 Fig. 45--Sidewall Termination of 12 in. or Less (Dimension "A '° is Touching or 2-In. Maximum Separation) Fig. 46--Sidewall Termination of More Than 12 in. (Dimension "A" is Touching or 2-In. Maximum Separation) 33 Table8--MaximumAllowableExposedVent PipeLength(Ft)WithInsulationin WinterDesign TemperatureAmbient* W_NTER DESIGN TEMPERATURE UNIT SiZE (°F) 20 MAXIMUM PIPE DIAMETER (iN.) 2 0 (N.)t 0 21 1/2 3/4 1 37 42 50 57 2 10 22 25 30 35 -20 2 5 14 17 21 25 20 2 30 55 61 70 7O 0 2 16 33 38 46 53 -20 2 9 23 26 33 38 20 2 37 2 20 70 45 70 55 7O 0 65 39 -20 2 11 27 31 39 45 20 2-1/2 41 70 70 70 7O 0 2-1/2 21 42 48 59 68 -20 2-1/2 11 28 33 41 49 20 3 49 70 70 70 7O 0 3 26 51 58 70 7O -20 3 15 35 40 50 060ot4 080ot4 080°20 100o20 120o20 Pipe length (ft) specified for maximum as specified in Table 7 t Insulation thickness based on R value 10--Condensate TNIDKNESS 3/8 040ot4 Step iNSULATiON pipe lengths of 35 located in unconditioned spaces. Pipes located in unconditioned space cannot exceed 63 59 total allowable pipe length per in Drain GENERAL trap is shipped Condensate installed connected for UPFLOW RELOCATED for use in the blower shetf and facto W applications Condensate trap must be in DOWTNFLOW and HORIZONTAL applications (ondensate trap MUST An external trap is not required this condensate be used for all applications. when connecting The field drain connection (condensate is sized _br 1/2=in (PVC, 1/2=in connection_ Drain pipe and fittings ASTM D1785, D246d, confbnn F656. to ASTM fittings, a condensate pump select 3 2 to 45. schedule select / to ASTM 40 (PVC a pmnp applications. or acidic, nature typically if a pH neutralizer Check is A93058 conden= Fig. 47--Freeze switch of Unit must a condensate The temperature is required ATION fimaace, drained A/C, and humidifier together. supplied trap connections The prior Air to the (furnace, &ain &ains must furnace &ain A/C, or humidifier) art open or vented drain as close possible to prevent siphoning may be combined have an external, connection and &ain must be terminated into to the respective of d_e equipment's equipment draining of the _i/rnace is permissible should drain pipe and prohibit be taken when freezing Caution if allowed and then mined during or below freeze cold unless protection. and left weather &ain when trap and See Service and Instructions _br winterizing procedure. (See Fig. to follow this caution will result in intermittent as &ain ambient to 32°F line have adequate conditions using &ain draining in damage ( aution operated, structure unit operation. connection codes &ops Maintenance 47.) Failure tield= All See Fig 48 ibr example of possible field drain attachment 1/2-in. CPV( or PVC tee ibr vent and Ai( or humidifier Outdoor not be installed, off in an unoccupied with local authorities drain APPLI( Protection --> in the pH range of d_is condensate, filter may be desired. which To avoid wit}* an overflow is mildly Due to corrosive to detem_ine certified is required, _lmace a pump condensate pH neutralizing Primer must conform and must and cement. ibr condensing sate spillage, Furnace or F493 use CSA or ELC PVC drain pipe, approved 32°F MINIMUM INSTALLED AMBIENT OR FREEZE PROTECTION REQUIRED trap or drain robe coupling) PV(, or 5/8-in ID tube must con_brm m ANSI standards or D2846. CPVC or PV( cement D2564 In Canada, When the field drain to trap by local may freeze draining. 34 should be taken to prevent may cause personal may cause saturated to plants. draining injuries. where Excessive soil conditions slippew condensate which may result START-UP, Step 1 ADJUSTMENTS AND SAFETY CHECK l--General Furnace must have a 115=v power supply properly connected and grounded. NOTE: Proper polarity is incorrect, and fhmace polarity must be maintained control stares for 115-v wiring. indicator light 3. Natural gas service pressure R, W/W1, G, and on furnace control. must not exceed 0.5 psig (14=in. wc), but must be no tess than 0.1d psig (4.5=in. 4. Blower access panel must electrical circuit to ff_rnace. --€ These furnaces box gas valve if an overheat Fig. 48--ExamNe (ONDENSATE Freezing cause cracks, shielded, and possible water trap and drain damage use condensate may freeze and waterproof heat tape. line occur. (flame off power rollout) to the occurs combustion=air in intermittent unit operation in supply or performance DO will satisfac- Before operating furnace, check flame rollout manual reset switch for continuity If necessm% press button to reset switch. may Step accesso_ See Installation 2--Semect Setup AIR (ONDITIONING self_regulating, or heat tape manufacturer's heat tape in half" and wrap 2. Locate condition venting condition before resetting switch. this switch. Failure to fbltow this caution Instructions The recommenda= to cooling heat tape between on itself 3 times. sides of condensate trap back. (See 1 Remove 2 Locate 3 Detem_ine 4 Use Fig. Switch (A/C) air conditioning airflow setup Positions SETUP SWIT(HES switches are used to match furnace unit used. To set the desired 1. Fold reset limit switch and shuts inadequate l15=v If fieeze protection 3 to 6 watt per ff at 120v and 40°F with accessory result tion. to complete opens Correct wc). PROTE(TION left in condensate is required, or equivalent supplied tions. DRAIN condensate protection of Field Drain Attachment be in place with a manual This switch enclosure. or improper NOT jumper A94054 are equipped in burner burner If rapidly does not operate. 2. Thermostat wire connections at terminals Y/Y2 must be made at 24-v terminal block PIPE FOR A/C OR HUMIDIFIER OPEN STAND y DRAIN flashes cooling airflow: main f_./mace door and blower Ai(2 sett_p switches access panel. on l_urnace control. (See Fig 32) Fig. 49.) 3. Use wire ties to secure positioned in notches heat tape in place. of condensate Wire trap sides. air conditioning 50 or wiring NOTE: Excessive may cause using field-supplied fScmrer's instructions heat tape, for all other fbllow installation heat 5 proper setup caused blowoff by improper in cooling Aid switch setup mode main furnace EAC=I terminal door terminal is only and blower is energized energized access whenever when panel blower blower operates. is energized in heating. CONDENSATE CONTINUOUS The airflow for two-speed fan airflow SETUP main Nrnace CF setup desired control the application appropriate This setup airflow on I:umace schematic fan when tow-cooling feature allows to be adjusted. access panel. control. airflow To airflow: (See Fig. 32.) or to determine tow-cooling proper setup (See Fig. 31 and 51.) main I:umace door SWITCHES airflow or low-cooling continuous 58 or wiring desired or to select door and blower switches of CF switches. The furnace 35 units. continuous 5. Replace A93036 cooling set desired position Heat Tape tim mode or low-cooling 4. Use Fig. Trap SWITCHES to select fan airflow 3. Detem_ine airflow. MINIMUM)_ SETUP are used continuous 2. Locate TAPE_ (CF) switches is in continuous 1. Remove WIRE TIE(S)_ FAN CF setup thermostat Fig. 49--Condensate airflow condensate Replace HUM (3 WRAPS to determine (See Fig. 31 and 51) tape manu= guidelines. NOTE: HEAT schematic of AiC switches heat tape, approximately 1 wrap per ft. 5. When used. ties can be (See Fig. 49.) position 4. Wrap field drain pipe with remaining tonnage and blower access panel. (SWI) has 8 setup requirements, requiremenL switches Position that may be set to meet these setup switches fbr the AIR CONDITIONING TONS (12,000 BTU/HR) AIRFLOW (CFM) 040,060 & 080-14 MODEL 1-1/2 525 X 080-20 & 106 MODEL 120 MODEL 2 700 X X X 2-1/2 875 X X X 3 1050 X X X 3-1/2 1225 X X X 4 1400 X X 5 1750 X X 6 2100 X-INDICATES AN ALLOWABLE X SELECTION. A/C OR CF AIRFLOW SELECTION BASED ON 350 CFM/TON MODEL SiZE _ _ _ _ _ _ _ _ CHART _ _ _ _ _ _ 040,060, 080-14 DEF 5252 700 875 10501 1225 1225 1225 080-20,100 DEF 7002 875 1050 1225 1400 17501 1750 DEF 700 8752 1050 1225 1400 17501 2100 120 1 DEFAULT A/C AIRFLOW 2.DEFAULT CONT. FAN AIRFLOW WHEN A/C SWITCHES ARE IN OFF POSITION WHEN CF SWITCHES ARE IN OFF POSITION A02349 Fig. 50--A/C or OF Airflow Selection Based on 3500FN/Ton Step --€ Chart 3--Prime Condensate Trap With Water Condensate trap must be PRIMED or proper draining may not occur The condensate trap has 2 internal chambers which can ONLY be primed of condensate intermittent 1. Remove by pouring trap. Failure malt operation upper inducer water into the inducer to £41ow this caution or performance housing &aia 1i2oin. ID drain side will result in satis_tction. connection cap. (See Fig. 52j 2. Connect housing 3. Insert A04001 -_ Fig. 51--Example of Setup Switch Position 1, Remove 2. Locate main setup filrnace switches dooI and blower on fm'nace access control. in OFF (See Fig. 32.) description. (See Fig. 31 and 51.) and blower access NOTE: HEAT Ifa bypass humidifier Rise Adjust) %r the increased NOTE: fire, ace door should cally compensates in return dampers %r modulating blower fiom bypass. motor to upper fimnel inducer into tube. drain. (See Fig. 53j and robe t'rom 4--Purge Gas inducer housing and replace cap and clamp. Lines If not previously done, purge the lines aJ:_er all connections been made and check %r leaks. (Low This compensates air resulting are used, Step SWI_3 fmmet &ain connection panel. setup switch be in ON position. temperature If modulating is used. fieldosupplied into open field 5. Remove 4. Replace robe connection. 4. Pont 1 quart of water into fannetimbe. Water should run throngh inducer housing, overfill condensate trap, and flow panel 3. See Table 9 for setup switch main fieldosupplied &ain automatio dampers. 36 have Table SETUP SWITCH NO. SWI-1 SW1-2 9--Furnace Status Code Recovery OFF Turn ON to retrieve up to 7 stored status codes for troubleshooting assistance when R thermostat lead is disconnected. OFF AHows 2-stage operation Turn ON when using 2 stage tion when R to W/W1 closes W/W1 Heat Mode Comfort/Efficiency OFF Adjustment sates for increased return air temperature midifier OFF Self-Test Turn ON for 400 CFM per ton. Turn OFF for 350 CFM per ton Turn ON to initiate Component Self-Test for troubleshooting tance when R thermostat lead is disconnected Turn OFF when Self-Test is completed. OFF SW1-7 Blower OFF delay ON or OFF Control blower Off Delay time 8W1-8 Blower OFF delay ON or OFF Control blower Off Delay time Table 10--Blower DESIRED HEATING MODE SLOWER SINGLE=STAGE Off Delay Setup Switch Position SETUP SWITCH (SW1o7 AND SW1-8) POSITION SW1-7 SW1-8 OFF OFF 120 ON OFF t50 OFF ON 180 ON ON 5--Sequence of Operation diagram, modes %llow sequence (See Fig. 31.) Read of operation and follow diagram 1 Inducer Prepurge Period-The fi/mace control CPI_ rams on inducer motor IDM and slowly increases the inducer nrotor speed. When the low-heat pressure switch LPS closes, in&cer motor RPM is noted by the filmace control CPU, and a 25-sec. prepurge period begins. The RPM is used to evaluate vent system resistance. This evaluation is then used to dete*mine the required RPM necessa W to operate the induce, motor du*ing the tow-heat prepurge pe*iod and tow-heat mode. carefully NOTE: (WiWI If a power intelTuption or WiWl=and-W2), the occurs control during a call for heat will start a 90-second blower-only ON period two seconds after power is restored, if the thermostat is still calling for gas heating. The amber LED light wilt period, after which will be ON continuous, flash code 12 during the 90=second as tong as no limits are detected. 90=second furnace period, the door must will respond to the the LED After d_e thermostat NOTE: The }teat cycle can start in either high-or tow=heat If a high-heat cycle is initiated, the furnace control CPU will deenergize the high=heat pressure switch relay HPSR to close the NC contact and continues to increase the inducer motor speed after the tow=heat pressure switch LPS closes. When the high-heat pressure switch closes, inducer motor RPM is noted by the Nrnace control normally The blower through the blower control (PI_, motor BLWM, be installed door transformer hot-surface interlock TRAN, igniter for power switch inducer to be conducted ILK motor to the furnace IDM, blower HSI, and gas valve MODE) See Fig. 28 or 61 fbr thernlostat connections The wall daermostat %alls for heat", closing the R to W circuit. The furnace control (PU perfbm_s a self-check, verifies the tow=heat and high=heat pressure switch contacts LPS and HPS are open through wiring AND TWO-STAGE If power is intmrupted, the stored histo W is erased When this happens, the control (7PErwill initially select low=heat for up to 16 minutes and then switch to high-heat, as tong as the the*mostat continues to call t'o, heat Subsequent selection is based on stored histo W of d_em_ostat cycle dines. operation. schematic with SW1-7. See The t:m'nace will start up in either tow= or high-heat If the _i.V.T, ace starts up in low=heat, the t'umace control (PI_ detem_ines the tow=heat on time (flora 0 to 16 minutes) which is permitted befbre switching to high=heat. Furnace control must be grounded fbr proper operation, or control will lock out. Control is grounded through green@ellow wire routed to gas valve and burner box screw. Failure to fbllow this caution will result in intermittent unit different Used in conjunction Table 10 This furnace can opeiate as a two-stage fi/mace with a single-stage thernrostat because fm'nace control CPEr includes a programmed adaptive sequence of controlled opeiation, which selects low-heat or high-heat operation. This selection is based upon the stored histo W of the tength of previous gas heating periods of the single-stage thermostat. 1 Using with SW1-8. See 10 NOTE: Low-heat=only switch, SWI=2, selects either d-le lowheat=only operation mode when ON, (see item 2 below) or adaptive heating mode when OFF, in response to a call for heat. (See Fig. 32) When the W2 them_ostat terminal is eneigized, it will always cause high=heat operation when the R to W circuit is closed, regardless of the setting of the tow-heat only switch Never purge a gas line into a combustion chamber Never test for gas leaks with an open flame LTse a commercially available soap solution made specifically for the detection of teaks to check all connections Failure to follow this warning could result in fire, explosion, personal inju% or death Step assis- Used in conjunction Table THERMOSTAT HEATING (ADAPTIVE OFF DELAY (SEC) 90 This compen- caused with bypass hu- Turn ON to decrease Low Heat airflow by 7 percent and High Heat airflow 8 percent for maximum comfort. On 040 unit will decrease Low-Heat Airflow 11 percent and High-Heat Airflow 10 percent. ON CFM per ton adjust Component with a single stage thermostat. thermostat to NIow Low Heat operaand High Heat operation when R to and W2 close Turn ON to increase Low Heat airflow by 18 percent Low Heat Rise Adjust SWI-¢ Description DESCRIPTION OF USE 8W1-3 8W1-5 Switch NORMAL POSiTiON Adaptive aWl-4 Setup SWITCH NAME GV, 37 2. Igniter Warm-! Surface period. --9 p-At Igniter 3. Trial-For-Ignition the main close to energize ignited closes, a 2-second will remain 2-second until proving high-heat gas valve CPU 4. Flame-Proving-When proving sensor the blower-ON valve GV-M open. two seconds, fbr up to three Ignition-Lockout. the fmnace flame control is proved flame CPU the at the flame- control CPU begins to hold the gas is not prm'ed within will close the gas valve GV-M, the ignition Trials-For-Ignition will sequence before be reset interrupting or by interrupting the operation, and continues three hours, by monmntarily f;arnace, is also energized. CPU will repeat Lockout or until high-heat (PU more afler the GV-HI If the burner and the fire, ace control The it is selects period the control opens. where The HSI igniter is sensed FSE, the filrnace delay peGVR begins. burner electrode begins. the flame solenoid warm-up HSI. Five seconds period period If the f_urnace control the Hot warm-up contacts to the burners Igniter flame energized flame relay GV, the gas valve gas flow by the Hot Surface GVR the igniter gas valve the gas valve GV permits period, for a 17-sec igniter Sequence-When riod is completed, gas valve end of the prepurge HSI is energized going after 115 vac power to the 24 vac power at SEC1 (not at W/W1, to automatically or SEC2 to G, R, etc.). A99118 Fig. 52--Inducer Housing If flame Drain Tube is proved fi/mace control operate the inducer longer proved. 5. Inducer Speed furnace flame motor CPU If cycle in speed for n_aximum efficiency. determine the motor required in high-heat period RPM begins necessary is used to operate the Low- To High- speed When the high-heat until is noted motor pressure GV-HI system From (PLY will not thermostat thermostat. R-to-W High- delaygas mode. flow five When the themmstat de-energizing to the burners, motor the BLWM after the to high-heat. fi/rnace to tow-heat is closed is then to operate seconds Heat-The fi'om high-heat motor is used evaluation I)om tow-heat To Low- closes. The RPM The blower airflow HPS the high-heat and the inducer necessary relay the inducer switch This RPM switch increase CPU. circuit is opened, control pressure resistance. switches switch contlot pressure is energized the required CPU ener- the fiu'nace switch HPS closes, to high-heat contIol and electronic and remain If the filmace and slowly the high-heat in high-heat transition stopping 38 Heat- by the f_arnace control vent HUM to high-heat, contact W circuit mode terminal HPSR to close the N( 9. Blower-Off inducer the cycle. from low-heat motor GV-M are energized the heating used to detem_ine is then used to EAC-I the the high-heat to evaluate The RPM proven, are as ]:bllows: airflow. (:PLY will de-energize RPM This evaluation gas valve the humidifier tem_inal From 8. Switching resistance after ON at high-heat throughout fi/mace prepurge is and high-heat the will the 25-sec flame combustion is opened, seconds is mined inducer vent system is to optimize burner contlol after flanm sense. High-heat-35 gas valve solenoid CPU before the fmnace after the (:PLY switches to evaluate the d_e slightly is opened, 7. Switching Trap and Low-heat-d0 seconds after the gas valve GV-M BLWM is tarried ON at low-heat airflow. gized Condensate the mode in low-heat, speed 15 seconds in tow-heat delay-If air cleaner Fig. 53--Filling be present, starts in high-heat, speed delay for low-heat Simultaneously, A99119 not the inducer starts The reduction BLWM -\ the cycle reduces the inducer blower-ON should IDM on high speed until flanm is no (PLY increases 6. Blower-On flame will lock out of Gas-Heating Change-If control sense. when CPU control while the when using a single-stage is satisfie& the R to the gas valve and de-energizing GV-M, the humidifier terminal HUM Theinducer motorIDMwill remain energized fora 15=second post-purge period. The blower motorBLWMandaircleaner terminal EA(-I will remain energized atlow=heat airflowortransition tolow=heat airflowfor 90, 120, 150, or 180 seconds (depending on selection at blower-OFF delay switches). CPU is *:actory=set [br a 120=second TWO=STAGE THERMOSTAT See Fig. 60 fbr thermostat AND The fim'lace blower-OFF additional cooling 2 sec. Single-Stage In this mode, This fi/mace can single=stage HEATING includes ON to select closing the the tow-heat thermostat R-to-Wl-and=W2 gardless only mode circuit. (;losing always causes high=heat of the low-heat-only must be in response R-to=W1 circuits of the setting operation SWI=2 operation, "calls for heat _', closing the R to W1 circuit tow-heat the R to Wl=and-W2 circuits per_brms and verifies or closing [:ornace control heat and high-heat a self-check pressure switch NOTE: selects re= contacts for high-heat. LPS the low= and HPS are The start=up and shutdown functions 1. above apply switching fiom low- to high-heat 1. S_itehing Front WI circuit control relay to 2-stage CPU heating mode described as well, Heat-If the thermostat and the R to W2 circuit will de=energize to close except closes, the high-heat the NC contact for gas valve motor RPM used solenoid to evaluate vent then used to determine the GV-HI is energized is noted by the ft_rnace contlol inducer motor system resistance. the required in high-heat mode. BLWM will tlansition to high=heat the R to W2 circuit closes. 2. Switching Front W2 circuit _hrnace CPU will to open the inducer motor high=heat inducer motor solenoid GV-M switch LPS will tlansition the R to W2 circuit switch and energized R to If starting up in tow-cooling, slowly The "calls 1, Single-Speed circuit starts Cooling 50. airflow 115=v when When Nmace blower the tl",ermostat opened. The outdoor BLWM will continue relay continues is based ACR to the outdoor on stored unit to to call _br history of the control the Nrnace as shown switches control ti'om CPU will circuits tlansition cooling airflow. High-cooling transitioning motor motor airflow the outdoor BLWM is based from low-cooling will shut down BLWM transitions air cleaner 115 vac whenever When relay ACR switch to high- on the AiC to high-cooling the in Fig. 50. compressor The electronic to the air and the R to G=and=Yl-and=YiY2 the f:tmaace blower shown blower speed, in Fig. 50. energize the R to Yl-and=Y2 circuits starts airflow tow-cooling relay ACR. When the air conditioning furnace airflow. tl_e CF selection CPU circuits at low-cooling is energized When gas valve BLWM terminal the blower the thermostat while the to rnn at high-cooling EAC-! motor is satisfied, The outdoor and electronic for 1 minute is energized BLWM with is operating. the R to G=and-Y circuit are unit stops, and the t\m_ace blower air cleaner terminal EAC-1 will remain energized fbr an additional to reduce the cooling 90 seconds. off-delay Thermostat Jumper to 5 seconds. and Two-Speed Y1 to DHUM (See Fig. 32.) Cooling connections.) circuits. The BLWM airflow. shown termina! EAC-1 staging. in Fig. BLWM is operating is satisfied, is energized the R=to-G-and-Y unit will stop, and filmace operating at cooling airflow (See Fig. 32.) thermostat cooling with circuits blower connections) NOTE: The air conditioning relay disable jumper ACRDJ must be disconnected to allow thermostat contlol of the outdoor unit circuits on cooling on the AiC selection (See Fig. 60 for thetanostat R=to-Y and R-to-G-and-YiY2 motor motor and switch conditioning opened. BLWM unit, air cleaner to high-cooling. and the R to G=and-Y1 is the true on=board The The electronic the t:iu'nace (from 0 to 20 the air conditioning motor If the unit as tong as the low=heat R-to=G=and-Y is based speed, blower 3. Two-Stage blower switching the unit in either on-time as the thermostat which outdoor for cooling" the outdoor befbre terminal as long filmace NOTE: Cooling start the furnace is permitted the Y/Y2 the opens. closes the tow-cooling and then energize selection remains closed. The blower motor to tow-heat airflow five seconds a_:_er (See Fig. 28 fi_r them_ostat tl",ermostat which When opens, sufficiently, open. CPU determines to a control to energize CPU can start up the cooling unit to high-cooling the low=heat HPS A(R low- or high-cooling. high-cooling, aJ_er pressure is de-energized. will is MODE The thellnostat The contact pressure HPS will remain high=heat the outdoor must the furnace The _u_aace control the motor closed, to the required GV-HI reduces switch pressure BLWM N( pressm'e IDM pressure the solenoid remains the speed the high=heat gas valve high=heat (70()LING energize HPSR When blower five seconds in place A(RDJ in response unit to high=cooling. on low-cooling to operate To Low- Heat= If the thermostat relay decrease RPM. evaluation The airflow and the R to W1 circuit control switch the High- opens, This jumper mode relay and switch of The wall tlaermostat "calls for cooling", closing the R to G=and-Y circuits. The R to Y1 circuit starts the outdoor unit The RPM is RPM necessa_- disable temfinal cooling. Subsequent selection thermostat cycle times. the and the inducer CPU. of the length thermostat. cooling (See Fig. 32.) When high=cooling, inducer motor speed until the high=heat pressure switch HPS closes. When the high=heat pressure switch closes, the highheat relay op- operation. can mm on the air conditioning energize switch increase the stored history a CPU of contIolled or high-cooling of the single-stage the adaptive with contlol Y/Y2 minutes R to pressure sequence unit fiu'nace If the power is interrupted, the stored histoQ" is erased and the _hmace control CPU will select tow=cooling [br up to 20 the [:urnace and slowly the (Adap- CPU minutes) in item and vice versa. Low- To High- is closed HPSR and delays adaptive upon period to enable control open. the The air conditioning call for cooling. for Cooling cooling because low-cooling is based cooling be connected switch. The wal! themxostat The to Two-Speed a two=speed themaostat which previous the thermostat to reduce connections.) operate a programmed eration, only switch to DHUM (See Fig. 32) and (See Fig. 61 for them_ostat control connections the tow-heat Y/Y2 T]hermostat This selection NOTE: Jumper to 5 seconds tive Mode) delay TWO=STAGE 90 off'delay are closes or closes high-cooling. The low-cooling speed, Nmace blower motor the true on-board for an Yl-and-Y2 39 the R to G and=Y1 the R to Y1 circuit starts (F selection start on tow-cooling as shown the outdoor l:br low- circuits the outdoor and the R to G=and=Y1 motor BLWM circuits circuits R to G and=Yl-and=Y2 circuit unit starts fi_r on the airflow which is in Fig. 50. The R to unit on high=cooling spee& and the R to G=and-YY2 circuits start the furnace blower motor BLWM at high=cooling ariflow. High-cooling airflow is based on the A/C selection shown in Fig. 50. CONTINL The electronic air cleaner terminal EAC=I is energized with 115 vac whenever the blower motor BLWM is operating When the thermostat is satisfied, the R to G-and=Y1 o1"R to G=and=Yl-and=Y2 circuits are opened. The outdoor unit stops, and the furnace blower BLWM and electlonic air cleaner ous blower the R to G circuit motor BLWM shown MODE is closed will operate airflow is initially Factory is energized by the thermostat, at continuous-blower selection in Fig. 50 EA(-1 default as tong based the (ontinu- on the CF selection is shown as the blower airflow. in Fig blower 58. Terminal motor BLWM is energized. During a call for heat, the blower motor See Fig 54=57 %* Thexmidistat connections tow-heat the BLWM to continuous midrange BLWM OFF The dehumidification output, DHUM on the Thermidistat should be connected to the furnace control thermostat tem_inal DHUM. airflow, will ON until OFF will transition airflow, whichever remain and remain BLWM blower is lowest. the main in high-heat) exchangers to heat more quickly, blower-ON delay at tow=heat period The burners for the blower-ON and 35 seconds the blower low=heat blower then (60 seconds shut the furnace then restarts or motor ignite delay allowing airflow, in heat at the end of the or high-heat airflow respec- tively. When there is a dehumidK}" demand, the DHLM input is activated, which means 24 vac signal is removed fiom the DHUM input terminal. In other words, the DHUM input logic is reversed. The DHUM input is mined ON when no dehumidify demand exists. Once 24 vac is detected by the furnace contlol on the DHUM input, the furnace control operates in Thennidistat mode. [f the DHUM input is low for more than 48 hours, the furnace control reverts back to non-Thermidistat mode. The blower after motor BLWM d_e heating control CPU airflow during transitioning When will will revert to continuous-blower is completed. In high-heat, &op the the blower selected "calls will operate motor to low=heat delay for high-cooling", motor furnace period be%re airflow. at high-cooling the blower airflow the BLWM blower=OFF to continuous-blower is satisfied, circuit is closed and the Nrnace blower airflow to 86% of on=board CF selec= cycle the thermostat BLWM The cooling operation described in item 3. above applies to operation with a Thermidistat. The exceptions are listed below: the blower airflow. BLWM When will operate motor the thermostat an additional befbre When is opened, the blower motor %r an additional 5 seconds, if no other function the R to G circuit continue operating requires blower motor Continuous BLWM Blower To select back BLWM to will operation. Speed different transitioning 90 seconds at high=cooling airflow continuous=blower airflow. b. High cooling-When the R to G-and Y/Y2 circuit is closed and there is a demand for dehumidification, the furnace blower motor BLWM will &op the blower airflow to 86% of high-cooling airflow High=cooling airflow is based on the AiC selection shown in Fig. 50 Selection from continuous=blower Thermostat speeds fiom the room thermostat, momentarily turn off the FAN" switch or pushbutton on the room them_ostat for 1=3 seconds after the blower motor BLWM is operating. The furnace contlol CPU will shift the continuous=blower airflow fi'om the factory setting to the next c. Cooling off-delay=When the "call for cooling" is satisfied and there is a demand for dehumidification, the cooling blower=off delay is decreased fiom 90 seconds to 5 seconds. SUPER=DEHUMIDIFY BLOWER When terminal EAC=I wilt remain energized ibr an additional 90 seconds. Jumper YI to DHUM to reduce the cooling off-delay to 5 seconds (See Fig. 32) THERMIDISTAT MODE a. Low cooling=When the R to G=and-Yl there is a demand fbr dehumidification, motor BLWM will &op the blower low-cooling airflow which is the true tion as shown in Fig. 50. OUS highest CF Momentarily stat MODE the continuous-blower shift shift the continuous-blower as shown When installed the timing demand deiiost the blower used airflow. control cycles. following 50. one more you will to the lowest selection can be a power inten'uption. connections. will remain OFF When begins control BLWM airflow, to avoid Whenever the furnace and remain b. High coMing=When the R to Y/Y2 cicuit is closed, R to G circuit is open, and there is a demand for dehumidifiation, the furnace blower motor BLWM will drop the blower to 65% of high=cooling airflow fbr a maximmn of 10 minutes each cooling cycle or until the R to G circuit closes or the demand for dehumidification is satisfied. High-cooling airflow is based on the Ai( selection shown in Fig. 50. sequence motor the midrange BLWM The with a heat pump, the furnace changes Y1 or Y/Y2, Low-cooling airflow is the true on=board CF selection as shown in Fig. 50. up enough, airflow 50. Fig. PUMP See Fig. 56-59 for thermostat a. Low coMing=When the R to Y1 circuit is closed, R to G circuit is open, and there is a demand for dehumidification, the furnace blower motor BLWM will &op the blower airflow to 65% of tow-cooling airflow for a maximmn of 10 minutes each cooling cycle or until the R to G circuit closes or the demand fbr dehumidification is satisfied. procedure in Fig. in again at the thermo- as many times as desired and is stored in the memow to be automatically HEAT this shown airflow eventually selection repeat as switch If you changed tion. The cooling operation desc*ibed in item 3 above also applies to operation with a Thermidistat The exceptions are tisted betow: airflow off the FAN increment. (F Super-Dehumidify7 mode can only be entered it"the furnace control is in Thermidistat mode and d_ere is a demand ibr dehmnidifica= will selection turning control long blower WiWI is energized CPU will transition at cooling whichever airflow, on until the main burners the W/W1 a normal befbre input inducer to or bring airflow, The blower ignite, coming during along with tow=heat is the lowest. for 25 seconds automatically ofttimes on or motor then shut OFF back on at heating signal disappears, post=purge period the while furnace changing the blower airflow. If YY2 input is still energized, the furnace control CPU will transition the blower motor BLWM airflow to c. Cooling off-delay=When the "call for cooling" is satisfied and there is a demand for dehumidification, the cooling blower=off delay is decreased fiom 90 seconds to 5 seconds. cooling airflow. is still energized, If Y/Y2 blower motor input the furnace BLWM signal disappears control to low-cooling CPU airflow. and the Y 1 input wil! transition the If both the Y1 and YY2 signals disappear at the same time, the blower motor BLWM will remain on at low-heat airflow ibr d-_e selected blower-OFF delay 4O period. At the end of the blower=OFF delay, the blower motor BLWM will shut OFF unless case the blower airflow. motor ( OMPONENT TEST The t\_rnace system setup test switch a component procedure, test system ensure EXAMPLE: blower SW1-6 to help diagnose failure. that and all time there delays are have no them_ostat expired. Turn will not operate signals test sequence at medium b. After control speed waiting or until furnace BLWM all time delays have g CPU tn*ns the inducer and keeps igniter control motor it ON through the furnace CPU ON at midrange then control turns airflow IDM ON 2 step c. ON fbr 15 seconds, The EAC terminals CPU rams test is completed, the blower when 1 or more 25, 41, or 42) will flash. See Smwice Label or Service/Stares (ode Instructions NOTE: To repeat component OFF and then back ON. Step stares codes on blower test, turn setup b c Furnace is switch e codes. orifice SIZE; pressure burner size in furnace. ALWAYS to obtain enclosure SWI=6 Remove regulator fbr low- and high-heat NEVER CHECK AND input rate fl'ont always be measured Move setup seal caps that conceal switch Turn low=heat gas valve SWI°2 with the adjustment regulators. on cont*ol screws (See Fig. (52) center fire, ace locked to (in) to increase at altitudes thermostat adjnsting counterclockwise RATE the input rating for altitudes by 2 percent Adjust manifold Furnace input rate furnace rating plate 1. Detem_ine fbr each above 1000 ft above pressure to obtain screw connections (3/32) (out) to decrease to ON posiin low-heat on control hex Allen to wrench) input rate or clockwise input rate. DO NOT set tow=heat manifbld pressure less than 1.3-in. wc or more than 1.7-in. wc tbr natural gas. If manitbld outside this range, change pressure in this range. orifices main burner natural gas orifice _' 2000 ft must be sea tevel by 5 percent to obtain pressure is manifPld _+2 percent of input size and manifbld rate pressure b. Obtain specific ave*age c Verii}' fire, ace model. 58MVP Furnaces d. Find installation (at installed gravity Table ahimde from for in Table f_ Follow heat intersection manifbld natural value and specific pressure orifice settings size h Turn high-heat adjusting screw (5/64 hex Allen w*ench) counterclockwise (out) to decrease input rate or clockwise (in) to increase rate. 11. gas heat value to find g. Jumper R and W/W1 and W2 thermostat connections on fhmace control. (See Fig. 32.) This keeps I:urnace locked in high=heat operation tocal gas supplie* to 4500 gravity and for proper It, use USA and specific lines IR f\ Move setup switch SWI-2 to OFF position after completing low-heat adjustment. from tocal 11 can only be used fbr model For Canadian altitudes of 2000 of 2001 to 3000 ft in Table 11. e Find closest Table 11. altitude) e NOTE: If orifice hole appears damaged or it is suspected to have been redrilled, check orifice hole with a numbered &ill bit of con'ect size. Never redrill art orifice. A burr-free and squarely aligned orifice hole is essential for proper flame characteristics. on input heat value . DO NOT bottom out gas valve regulator a_[iusting screw. This can result in unregulated manifPld pressure and result in excess overfire and heat exchanger f_ilures. for input rate. n-rest be within a Obtain ave*age gas supplier. NOTE: altitudes manifold Remove burner ORIFI(E d. Jumper R and W/W1 start furnace, (11, NOTE: In Canada, the input rating must be derated altitudes of 2000 ft to 4500 ft above sea level. correct and verif) It. In the [ .S.A, reduced input rate. operation. access panel of stares gas input rate on rating ptate is for installations up to 2000 proper tion. (See Fig. 32.) This keeps g--Adiustments SET GAS INP[T wc fbr high heat wc fbr tow heat motor then OFF. the blower fbr explanation 3%in. 16-in NOTE: Manifbld pressure MUST burner box cover REMOVED. operating. After the component (heck Adjust a then OFF. fbr 15 seconds, are energized pressure: to obtain ASSUME VERIFY. d. After shutting the blower motor BLWM OFF, the I:urnace colmol CPU shuts the inducer motor IDM OFF. NOTE: ft if the control is as fbllows: 15 seconds, the hot surface c. The ff altitude) * Furnace is shipped with No. 45 orifices In this example, all main burner orifices are the correct size and do not need on to be changed test feature any thermostat a. The furnace 2000 1050 Btuicu Manifold the expired. The component (0 value a To initiate (See Fig. 32.) The component is receiving in which at continuous in the case of a component to the control NOTE: operate Specific gravity 0.62 Therefore: Orifice No. 45 features component O is still energized, will Heating problem inputs BLWM gravity in to point of NOTE: DO NOT set high=heat mani%1d pressure less than 3.2-in. we or more than 3 8-in. wc fbr natural gas If manifbld pressure is outside this range, change main burner orifices to obtain manifPld pressures in this range. i When con'ect input is obtained, replace caps that conceal gas valve regulator adjustment screws Main burner flame should be clear blue, almost transparent. (See Fig 640 low= and high=heat operation j Remove jumpers R to WiWI and R to W2 3 Verify natural gas input rate by clocking gas meter. NOTE: Be sm'e all pressure robing, combustion-air and vent pipes, and burner enclosure f?ont are in place when checking input by clocking gas meter. 41 THERMIDISTAT TWO-STAGE FURNACE NOTE HEAT STAGE SINGLE-SPEED AIR CONDITIONER THERMIDISTAT TWO-STAGE FURNACE SINGLE-SPEED HEAT PUMP 11 2 RVSCOOLING_ N/A NOTE11 HEATSTAGE3 (FURNACEHi)_ HEAT STAGE 1 COOL STAGE 1 HEAT STAGE 2 [_ (FURNACE LO) HEAT/COOL STAGE (COMPRESSOR) FAN [_ 24 VAC HOT [_ DEHUMIDIFY [_ 24 VAC COMM [_ [Z2_ 1 FAN [_ HOT [_ / ......... 24 VAC DEHUMIDIFY 24 VAC COMM [_ [_ HUM [_ HUM HUMIDIFIER HUMIDIFY [_ (24 VAC) HUMIDIFY N/A ..../ 4VAC/ I _[ HUMIDIFIER ...... N/A [_ OUTDOOR _/_c coS_S°,%_ [2_ [ OUTDOOR SENSOR _,, OONNEDT'ON _[2_ See notes 2, 5, 7, 10, and 11 See notes 1, 2, 4, 6, 7, 9,10,11, and 15 A00277 A00275 Fig. 54_Two-Stage Furnace with Conditioner THERMIDISTAT Single-Speed TWO-STAGE FURNACE Fig. 56--Two-Stage Air TWO-SPEED AIR CONDITIONER Furnace with Single-Speed Pump (Dual Fue{) THERMIDISTAT TWO-STAGE Heat TWO-SPEED FURNACE HEAT PUMP NOTE11 HEAT STAGE 2 COOL STAGE 1 HEAT STAGE t COOL STAGE 2 RVS COOLING HEA(_CMOpQRLSsl AGLEo1) _ NOTE12 HEA_FSTAGEE3 _ FAN [_ 24 VAC HOT [_ DEHUMIDIFY [_ 24 VAC COMM [_ ...... NEAT/COOLSTAGE 2_ (COMPRESSORHI) _ ...... "fiTE_2 _ ..... FAN[_ ...................... [_ _ HUMIDIFY ....... [_ _ HUM "'"-. _VACHO_[_ .......... [_ DEHOM'D'FY_ .......................... _4MAOOOMM[2 _ ............. [_: ............. [_ HUM ......4VAC, i / HUMIDIFIER ..... HUMIDIFY ............... HUMIDIFIER(24 VAC) N/A [_ N/A [_ OUTDOOR SENSOR Os_00_ _ OUTDOOR _1:_ DONNEOT,ON See notes 2, 5, 8,10, coS_Sc°,_o, l_ I1, and 12 See notes 1,2, 3, 4, 6, 8, 9, t0,12,13, and 15 A00276 Fig. 55--Two-Stage Furnace with Two-Speed Air Conditioner A00278 Fig. 57--Two-Stage 42 Furnace with Two-Speed Pump (Dual Fue{) Heat DUAL FUEL THERMOSTAT TWO-STAGE FURNACE NOTE 11 SINGLE-SPEED HEAT PUMP TWO-STAGE THERMOSTAT TWO-STAGE FURNACE NOTE 11 NOTE 12 TWO-SPEED AIR CONDITIONER [_ HEAT STAGE 2 (FURNACE LO) HEAT/COOL STAGE 1 (COMPRESSOR) E2_ FAN [_ 24 VAC HOT [_ 24 VAC COMM [_ [_ HUM N/A [_ RVS SENSING _ HUM See notes 2, tl, [_ and 12 oo oOO s, so o_o_R _ A00281 Fig. 60--Two-Stage Thermostat With Two-Stage nace and Two=Speed Air Conditioner OONNECT,ON _ Fur- See notes 1, 2, 4, 11, 14, 15, and 16 A00279 Fig. 58--Dual FuemThermostat Furnace and Single-Speed DUAL FUEL THERMOSTAT with Two-Stage Heat Pump TWO-STAGE FURNACE TWO-SPEED HEAT PUMP S;NGLE-STAGE THERMOSTAT TWO-STAGE FURNACE TWO-SPEED AIR CONDITIONER RVS COOLING HEA_c_o_OO_ESs_o_4 _ ..................... C_ ............................... HEA_FS_C_E_ _ ............... _ ,,_ HEA_,cCOO_EST_o_,_ _ NOTE,_ _ ............................ FAN [_ 24 VAC HOT [_ ................ [_ _4MACCOMM_ ................... _ ............................... N_A[2 _ RVS SENSING ] HUM See note 2 BNUM [_ A02348 CONNECT,ON /_ .... See notes 1, 2, 3, 4, 12, 13,14, Fig. 59--Dual Fuel Thermostat Furnace and Two-Speed Fig. 61--Single-Stage Thermostat With Two-Stage Furnace and Two-Speed Air Conditioner 15, and _00280 With Two-Stage Heat Pump 43 Notes for Fig. 54-61: 1. Heat pump 2. Refer MUST to outdoor have a high pressure equipment 3. Select the "ZONE" 4. Outdoor position Air Temperature switch Installation on the two=speed Sensor fbr dual fi/el applications, Instn/ctions must for additional heat pump be attached No.1 on Thermidistat No. 1 on Them_idistat should be set in ON position 7. Dip switch No. 2 on Them_idistat should be set in OFF should be set in ON position 8. Dip switch 11. Optional Option should connection. to allow 10 "Dual connection. 13. Furnace must be made to the furnace Sensing 15. DO NOT SELECT board, 16. Dip switch to control If wire is connected, control 14. The RVS Fuel Selection" If wire is connected, Them_idistatiThem_ostat control No. ThermidistatiThem_ostat 12. Optional be set in OFF position for air conditioner for heat pump position installations. This is f_ctolw deJitult. installations. for single-speed compressor operation. delimit. No. 2 on Thermidistat 10. NO connection procedure. control. 6. Dip switch 9. Configuration and setup in all dual iq/el applications. 5. Dip switch This is fhctow should infbrmation to control "L" should the "F[ RNACE This is controlled SWI=2 compressor operation. ON in all dual 1:i/el applications. when using on filrnace a Thermidistat. control should be set in ON position staging. jumper on Nrnace control should be removed via fm'nace control algorithm to allow unit staging. heating operation not be connected INTERFACE" internally D on Dual Fuel Thermostat terminal ACRDJ outdoor its own high°stage terminal HUM dip switch furnace for two-speed must be turned This is internally or "BALANCE by the Them_idistatiDual shoutd be set in OFF position shoutd be set in ON position This is Pactory used to sense defrost POINT" option del:ault. operation on the two-speed heat pump Fuel The*mostat. fbr single-speed compressor operation This is f_cto W defitult 17. Dip switch D on Dual Fuel Thermostat 44 for two-speed compressor operation, TABLE 11 - ORBFmCE B{ZE* AND MANIFOLD PRESSURES FOR GAS iNPUT RATE (TABULATED DATA BASED ON 20,000 BTUN HIGH-HEAT / 13,000 BTUH LOW-HEAT PER BURNER, BERATED 2%/t000 FT ABOVE SEA LEVEL) ALTITUDE AVG, GAB RANGE HEAT VALUE c c <: ¢q. c 0.64 Orifice Mrffid Press Orifice Mnfld Press Orifice (Btu/cu it) No. High/Low No. High/Low No High/Low No. 900 43 3.5 / 1.5 43 3.6 / 1.5 43 3.8 / 1.6 42 32 / 1.3 925 44 3.8 / 1.6 43 3.5 / 1.5 43 3.6 / 1.5 43 37 / 1.6 950 44 3.6 / 1.5 44 3.8 / 1.6 43 3.4 / 1.4 43 35 / 1.5 975 44 3.4 / 1.5 44 3.6 / 1.5 44 3.7 / 1.6 44 38 / 1.6 1000 44 3.3 / 14 44 3.4 / 1.4 44 3.5 / 1.5 44 35 / 1.5 t025 45 3.8 / t.5 44 3.2 / 1.4 44 3.3 / 1.4 44 34 / 1.5 t050 45 3.5 / 1,5 45 3.7 t 1.5 45 3.8 / 1.5 44 33 / 1.4 t075 45 3.4 / t.4 45 3.5 / 1.5 45 3.7 / 1.5 45 3.8 / 1.6 1100 45 3.3 / t,4 45 3.4 / 1.4 45 3.5 t 1.5 45 3,6 / 1.5 U,S,A 800 43 3.8 / 16 42 3.2 / 1.4 42 3.3 / 1.4 42 35 / 1.5 Altitudes 825 43 3.6 / 15 43 3.7 / 1.6 43 3.8 / 1.6 42 32 / 1.4 2001 850 43 3.4 / 1.4 43 3.5 / 1.5 43 3.6 / 1.5 43 37 / 1.6 to 3000 875 44 3.7 / 1.5 44 3.8 / 1.6 43 3.4 / 1.4 43 35 / 1.5 or 900 44 3.5 / 1.5 44 3.6 / 1.5 44 3.7 / 1.6 44 38 / 1.6 Canada 925 44 3.3 / 14 44 3.4 / 1.4 44 3.5 / 1.5 44 35 / 1.5 Attitudes 950 45 3.7 t t,5 44 3.2 / 1.4 44 3.3 / 1.4 44 34 / 1.4 2001 075 45 3.5 / 1,5 45 3.7 t 1.5 45 3.8 / 1.6 44 32 / 1.4 to 4500 1000 45 3,4 t 1.4 45 3,5 / 1,5 45 3.6 / 1.5 45 3.7 / 1.6 775 43 3.7 / 1.6 42 3.2 / 1.3 42 3.3 / 1.4 42 34 / 1.4 800 43 3.5 / 1.5 43 3.6 / 1.5 43 3.8 / 1.6 42 32 / 1.3 825 44 3.8 / 1.6 43 3.4 / 1.4 43 3.5 / 1.5 43 37 / 1.5 850 44 3.6 / 1.5 44 3.7 / 1.6 44 3.8 / 1.6 43 34 / 1.5 875 44 3.4 / 1.4 44 3.5 / 1.5 44 3.6 / 1.5 44 37 / 1.6 900 44 3.2 / 1.3 44 3.3 / 1.4 44 3.4 / 1.4 44 35 / 1.5 925 45 3.7 / 1.5 45 3.8 t 1.5 44 3.2 / 1.4 44 33 / 1.4 950 45 3.5 / t,5 45 3.6 / 1.5 45 3.7 / 1.6 45 3,8 / 1.6 750 43 3.7 / 16 43 3.8 / 1.6 42 3.2 / 1.4 42 33 / 1.4 775 43 3.5 / 15 43 3.6 / 1.5 43 3.7 / 1.6 43 38 / 1.6 800 44 3.7 / 16 43 3.4 / 1.4 43 3.5 / 1.5 43 35 / 1.5 825 44 3.5 / 15 44 3.6 / 1.5 44 3.7 / 1.6 43 34 / 1.4 850 44 3.3 / 14 44 3.4 / 1.4 44 3.5 / 1.5 44 35 / 1.5 875 45 3.8 / 1.6 44 3.2 / 1.4 44 3.3 / 1.4 44 34 / 1.5 000 45 3.5 / t,5 45 3.7 t 1.5 45 3.8 / 1.5 44 32 / 1.4 025 45 3.4 / 1.4 45 3.5 / '1.5 45 3.6 / 1.5 45 3,7 / 1.6 725 43 3.6 / 15 43 3.8 / 1.6 42 3.2 / 1.4 42 33 / 1.4 750 43 3.4 / 14 43 3.5 / 1.5 43 3.6 / 1.5 43 38 / 1.6 775 44 3.7 / 15 44 3.8 / 1.5 43 3.4 / 1.4 43 35 / 1.5 800 44 3.4 / 1.5 44 3.6 / 1.5 44 3.7 / 1.6 44 38 / 1.6 825 44 3.2 / 14 44 3.3 / 1.4 44 3.4 / 1.5 44 35 / 1.5 850 45 3.7 t 1,6 45 3.8 / 1.5 44 3.2 / 1.4 44 34 / 1.4 875 45 3.5 / t,5 45 3.6 t 1.5 45 3.7 / 1.5 45 3.8 11.6 900 45 3.3 / 1,4 45 3.4 t 1.4 45 3.5 / 1.5 45 3.6 t 1.5 675 42 3.2 / 1.3 42 3.3 / 1.4 42 3.4 / 1.4 42 35 / 1.5 700 43 3.6 / 1.5 43 3.7 / 1.6 43 3.8 / 1.6 42 33 / 1.4 725 44 3.8 / 1.6 43 3.5 / 1.5 43 3.6 / 1.5 43 37 / 1.6 750 44 3.6 / 1.5 44 3.7 / 1.6 44 3.8 / 1.6 43 35 / 1.5 775 44 3.4 / 14 44 3.5 / 1.5 44 3.6 / 1.5 44 37 / 1.6 800 45 3.8 / 1.6 44 3.3 / 1.4 44 3.4 / 1.4 44 35 / 1.5 825 45 3.5 / t.5 45 3.7 / 1.6 45 3,8 t 1,6 44 33 / 1.4 85O 45 3,4 t t.4 45 3,5 / 1,5 45 3.6 t 1.5 45 3,7 ! 1.6 0 to to <: ¢q. GAS 0.62 MnfldPress 3001 o OF NATURAL Orifice 2000 C GRAVITY 0,60 AT ALTITUDE (ft) c SPECIFIC 0,58 4000 4001 Mnfld Press High/Low c o to <: ¢o 5000 5001 to 6000 6001 to 7000 * Orifice numbers showr_ in BOLD are factory-installed 45 TABLE li (TABULATED - ORIFICE DATA BASED SBZE* AND ON 20,000 BERATED ALTITUDE (ft) (Btu/cu 700i c to 8000 >, "E 0 < 800i to 9000 -_ c o 900i <. to i0000 * Orifice numbers 2%!1000 shown in BOLD ft) FT ABOVE SPECIFIC 0.58 HEAT VALUE AT ALTITUDE PRESSURES HIGH-HEAT/13,000 AVG. GAS RANGE o MANIFOLD BTUH FOR BTUH GAS mNPUT LOW-HEAT RATE PER BURNER, SEA LEVEL) GRAVITY OF NATURAL 0.60 GAS 0.62 0,64 Orifice Mnfld Press Orifice Mnfld Press Orifice Mnfld Press Orifice Mnfid Press No. High/Low No. High/Low No. High/Low No. High/Low 650 43 3.8 / 1.6 42 3.2 / 1.4 42 34 / 1.4 42 35 / 1.5 675 43 3.5 / 1.5 43 3.7 / 1.6 43 38 / 1.6 42 32 / 1.4 700 44 3.8 / 1.6 43 3.4 / 1.4 43 35 / 1.5 43 36 / 1.5 725 44 3.5 / 1.5 44 3.6 / 1.5 44 38 / 1.6 43 34 / 1.4 750 44 3.3 / 1.4 44 3.4 / 1.4 44 35 / 1.5 44 36 / 1.5 775 45 3.7 / i.6 44 3.2 / 1.3 44 33 / 1.4 44 34 / 1.4 800 45 3.5 t 1.5 45 3.6 / i.5 45 3.7 t i.6 44 32 / 1.4 825 45 3.3 / 1.4 45 3.4 t 1.4 45 3,5 / 1.5 45 3,6 / 1.5 625 43 3.8 / 1.6 42 3.2 / 1.4 42 33 / 1.4 42 34 / 1.5 650 43 3.5 / 1.5 43 3.6 / 1.5 43 38 / 1.6 42 32 / 1.3 675 44 3.7 / 1.6 43 3.4 / 1.4 43 35 / 1.5 43 36 / 1.5 700 44 3.5 / 1.5 44 3.6 / 1.5 44 37 / 1.6 44 38 / 1.6 725 44 3.2 / 1.4 44 3.4 / 1.4 44 35 / 1.5 44 36 / 1.5 750 45 3.7 / i.5 45 3.8 t 1.8 44 32 / 1.4 44 33 / 1.4 775 45 3.4 / 1.5 45 3.6 / 1.5 45 3.7 / 1.6 45 3,8 / 1.6 600 43 3.8 / 1.6 42 3.2 / 1.4 42 33 / 1.4 42 34 / 1.4 625 43 3.5 / 1.5 43 3.6 / 1.5 43 37 / 1.6 43 38 / 1.6 650 44 3.7 / 1.6 44 3.8 / 1.6 43 34 / 1.5 43 36 / 1.5 675 44 3.4 / 1.4 44 3.5 / 1.5 44 37 / 1.5 44 38 / 16 700 44 3.2 / 1.3 44 3.3 / 1.4 44 34 / 1.4 44 35 / 15 725 45 3.6 / 1.5 45 3.7 / 1.6 45 3.8 t 1.6 44 33 / 1.4 are factory-installed 4d ONtOFF BURNER FLAME ALLEN SCREW ADJUSTMENT (UNDER CAP) SWITCH ADJUSTMENT ALLEN SCREW (UNDER CAP) INLET PRESSURE TAP MANIFOLD J A89020 Fig. 64_Bumer Table 12--Altitude ENCLOSURE REFERENCE PRESSURE TAP Fig. 62--Redundant Automat{c Gas Valve Derate Multiplier for U.S.A. ALTITUDE {FT} 0--2000 % OF DERATE 0 DERATE MULTIPUER FACTOR FOR U.S.A.* 1.00 2001--3000 4--6 0.95 3001--4000 6--8 0.93 4001--5000 8--10 0.91 5001--6000 10--12 0.89 6001--7000 12--14 0.87 7001--8000 14--16 0.85 8001--9000 16--18 0.83 9001--10,000 18--20 0.81 MANIFOLD PRESSURE TAP A97386 Flame * Derate multiplierfactorb based on midpointaltitude _raltituderange. CANADA At installation altitudes must be derated r--- BURNER A Station or Dealer altitude, see example plier _ ORIFICE b DO NO]: re&ill orifices Improper drilling (burrs, ont-oi: ronnd holes, etc,) can cause excessive burner noise and misdirection of burner flanles 7his will result in flame ures. of burners and heat exchangers, causing d correct above Table adjustment (if required), 2000 ft, this _ilrnace has been approved %r each 1000 J:'tabove multiplier input rate £_r as derate multi- box cover. Check that input to be clocked Obtain gas valve average heat always Be heating value altitude Consult of gas heating be per%treed with X Derate Multiplier Factor = Furnace Input Rate at Installation ANtude t00,000 X 0.91 = 91,000 caps are (at altitude) in place fiom %r local gas setup h Jumper local fbr calculations is gas utility for altitude value i Let f_/mace j Measure k. Reikr 1. Multiply gas appliances switch SWI-2 fire, ace locked and pilots. to ON position. in tow-heat (See Fig 32) operation. R to W/W1 run for 3 minutes in tow-heat time (in sec) for gas meter tion. Note 47 of gas used Check and veriJ:)- orifice size in furnace. NEVER ASSUME THE ORIFICE SIZE ALWAYS CHECK AND VERIFY. This keeps INPUT FURNACE Furnace Input Rate at Sea Leve_ value sure g. Move sea level. See _hctor and example _=XAMPLE: I00,000 BTUN NIGH-NEAT INBTALL'_D AT 4300 FT. adjustment for your i\ Turn off all other derate 12 %r derate burner proper adjustment UNITED STATES for a 2 percent correct and use 095 fitctor. Reinstall NOTI::: f3il° e At altitudes determine above supplier. (See Fig. 630 a Calculate high-altitude To ft, this furnace Gas ( onversion Orifice c impingement to 4500 by an authorized NOTI::: Clocking gas input rate MUST the burner box cover INSTALLED A93059 Fig. 83--Burner J:i"om 2000 5 percent operation, to complete 1 revolu- reading. m Table 13 for cubic ft of gas per hr. gas rate cu ftihr by heating value (Bmicu ft). m Movesetup switch SW1-2 toOFFposition and jmllper R andWiWlandW2tl-iermostat connections. (See Fig32.) Thiskeeps furnace locked inhigh-heat operation Repeat itemsithrough 1tbrhigh-heat operation. input from rating Btu heating input Heating value of gas Time for 1 revolution Gas rate plate Btuicu is 100,000 975 Bmicu ft of 2=cu fi dial input ft altitude) Table Bmh the orifice size and manifold is within _+2 percent of the I:umace NOTE: Measured gas inputs _+2 percent installed of that (high stated Bmh pressure at sea level or derated at higher adjustment must operate and tow heat) furnace rating must plate particularly 2. When R, WiWl, arid call for heat. W2 thermostat perature rise. For high=heat position forget to return 3. This setup Nmace airflow 1 1 cu fl 2 cu Rate Cu Ft/Hr SECONDS 5 FOR cu R REVOLUTION 1 SIZE 1 cu fl OF TEST 2 cu fl DiAL 5 cu fl to OFF a. Check gas input b. (heck &rate c. (heck all return 10 360 720 1800 50 72 144 360 11 327 655 1636 51 71 141 355 12 300 600 1500 52 69 138 346 13 277 555 1385 53 68 136 340 14 257 514 1286 54 67 133 333 d. Ensure 15 240 480 1200 55 65 131 327 control 16 225 450 1125 56 64 129 321 17 212 424 1059 57 63 126 316 18 200 400 1000 58 62 124 310 19 189 379 947 59 61 122 305 20 180 360 900 60 60 120 300 21 22 171 164 343 327 857 818 62 64 58 116 290 SET THERMOSTAT 23 157 313 783 66 56 54 112 109 281 273 When 24 150 300 750 68 53 106 265 anticipator 25 144 288 720 70 51 103 257 the R=WiWl 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 95 237 29 124 248 621 78 46 92 231 causing using for low- position and remove Low Heat Rise Guide HEAT 600 80 45 90 225 581 82 44 88 220 32 113 225 563 84 43 86 214 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 Fig. 65 illustrates 35 103 206 514 90 100 200 500 92 80 78 200 196 draw measurements. 36 40 39 37 97 195 486 94 38 76 192 38 39 95 92 189 185 474 462 96 98 38 37 75 74 188 184 40 90 180 450 100 36 72 180 41 88 176 439 102 35 71 178 42 86 172 429 104 35 69 173 43 84 167 419 108 34 68 170 44 82 164 409 108 33 67 167 45 80 160 4OO 46 78 157 391 110 33 65 164 47 76 153 383 112 32 64 161 48 75 150 375 118 31 62 155 49 73 147 367 120 30 60 150 has started 1. To operate Series amp draw subbase should heat anticipator When method manufhcturer's and for varying using an electronic heat terminals R and W. should mm while the tlaermostat wires of obtaining in can be NOT be in d_e circuit is operating in low-heat, during current thermostat amp be taken after blower in low=heat. setup switch ammeter instructions heating SW1-2 to leads across for adjusting the cycle length. them_ostat, set cycle rate for 3 per hr. 3. Remm setup switch SW1-2 thermostat on subbase, 48 thermostat measurements ON position (See Fig. 32) and connect thermostat subbase R-W. 2. See thermostat 2=Stage of components has no subbase, The amp reading and Nmace is used. 170 and later. the fi'om R and WiWI finl_ace on furnace for Variable-Speed the amp draw If thermostat an easy SW1-3 thermostat, Accurate must be disconnected nleasurement. restrictions ANTICIPATOR and anticipator 232 operation. switch Furnaces only at the thermostat 240 range rise is outside when a bypass humidifier a non-electronic 116 proper the location.) Condensing 120 cycles within and than 0.5=in. wc. Adjust Troubleshooting 31 R=W2 providing rise in DO NOT ducts tbr excessive greater is in ON position 30 SW1-2 if applicable. and supply pressure cmTent. operain ON (See Fig. 32 for switch and high-heat for altitude circuit. ten> as follows: must be set to match The thermostat NOTE: switch contlol. of automatically static Electronic motor setup furnace d_e temperatme (See Fig. 32 fbr switch e. Check is air ten> for tow=heat on fine, ace rating plate. If temperature proceed measuring return-air to detem_ine on fire, ace conUoi on of testing. is capable this range, obtained subtract place R-W2 switch to maintain specified SWI=2 This practice ducts. stabilize, operation, arid jumper as ducts as near f:urnace readings temperature switch rise do not see heat exchanger rise can be determined setup rise specified air temperature and supply readings jumper upon completion tem_inai location.) FOR or for with stlaight-run supply=air Temperature by placing OFF REVOLUTION of to follow areas not designed of temperature heat does not affect them_ometer from position SIZE OF TEST DiAL oll unit of mi@oint the heat exchangers Determine in return important peramre NOTE: ranges plate. Be sure thern_on_eters so that radiant be when tion SECONDS specified is OFF. Failure in overheating within rating 1. Place thermometers per that stated above when installed TaNe 13--Gas limits a few degrees may result altitudes n. Remove jumper across connections to terminate within flue gas in heat exchanger on the furnace follows: In this input rate. heat on be is within condensing condensate. as possible. within must this caution Furnace 100,425 example, rise Operation 70 sec 13) 103 X 975 TelTlperature rise range when setup switch SW1-4 fi X cu ft&r 103 cu ftihr (from Btu heating 2000 RISE 1 rating plate. EXAMPLE: (High=heat operation at0 Furnace SET TEMPERATURE to OFF position and replace CHECK TERMINALS WITH THERMOSTAT REMOVED (ANIT!CIPATOR, CLOCK, ETC., MUST BE OUT OF CIRCUIT.) PRESSURE This control operation AMMETER proves SWITCHES operation of the &aft inducer Check switch inducer motor as _bllows: 1 Turn off ll5-v 2 Remove power control to fk/mace. access 12=pin wire harness door and at inducer disconnect motor 3 Tufa on 115=v power 4 Set d'*em_ostat to "call to furnace _br heat." When fhnctioning stares properly, code pressure 42 will switches flash on are t:m'nace control approximately 20 sec after them_ostat switch is closed. If either a status code 31 or 32 is flashed when inducer motor is disconnected, the t_urnace will shut itself down immediately. Detem_ine reason properly 10 TURNS the 5. Turn off 115=v power 6. Reconnect access FROM UNIT 24-V CONTROL TERMINALS EXAMPLE: 50 AMPS ON AMMETER 10 TURNS AROUND JAWS 8 = 0.5 AMPS FOR THERMOSTAT ANTICIPATOR SETTING Step 7--Check This section covers the installation pressure section switches as part CHECK This the safety were shuts air-circulating in the if t'tu'nace method block off remm appear on furnace opening Start-up system and procedure and energizes the this limit control method is to check be unblocked this that the limit is functioning if there a status code 33 to permit nomaal contlol. established sa_?ly to Put away 2 Verify the is a restricted 4 (ycle 5 (hock tions 7. Leave has been operating has shut off burners, limit control, properly can be and the furnace return-air failure. If the limit control does not _hnction cause must be detemained and corrected. it during flmction motor wire harness. Reinstall furnace to furnace. to desired temperature tools and instruments flame rollout manual blower and (lean up debris. reset switch main access has continuity. doors are properly be_bre valve, overheats. of checking should inducer them_ostat 1 6. Review air after Nmace By using operate gas of at least 5 minutes. 3. The return-air air circulation. will sensor, (ONTROL motor 2. As soon as limit control will checked off the gas control 1. The recommended £_r a period that must be checked flame operation. LIMIT blower gradually The all of nomaal PRIMARY control controls not door. 3. Verii) that installed. Controls is complete did CHECKLIST Draw Check with Ammeter Safety Reset switches to _hrnace. 7. Turn on 115-v power A96316 Fig. 65--Amp pressure and cot_'ect the condition. duct or motor this test, the 49 test _i/rnace operation with room thermostat. of accessories per User's Manual with owner. literature packet near furnace. manul:acturer's instruc- CH ECKLmST--BNSTALLATION LOAD CALCULATION Condensate Brain Heating Load (Btuh) Unit Level or Pitched Forward Cooling Load (Btuh) Internal Tubing Connections and Traps Furnace Model Selection COMBUSTION External Drain Connection Sloped AND VENT PIPING Termination Free of Kinks Leak Tight and Location Condensate Trap Primed before Start-Up Roof or Sidewalt Heat Tape Installed if Required Termination Kit -- 2 Pipe or Concentric Combustion-Air CBECKMBT--BTARToUp Pipe Length Gas Input Rate (Set Within 2 percent of Rating Plate) Combustion-Air Pipe Elbow Quantity Vent Pipe Length Temperature Rise Adjusted Thermostat Anticipator Vent Pipe Elbow Quantity Anticipator Setting Adjusted or Pipe Diameter Determined from Sizing Tabte Cycle Rate (3 Cycles per Hr) Selected Pipe Sloped To Furnace Safety Controls Cheek Operation Pipe Insulation Primary Limit Over Ceitings Pressure Switches Low-Ambient Exposed Pipes 5O 5i Copyright 2004 CARRIER Manufacture_ B°°kLL_. Tab 16al 8a reserves PC 101 Corp., 7310 W. Morris St • Indianapolis, the right Catalog to discontinue, No 535-80110 or change IN 46231 58mvp13si at any time, specifications Pd_ted in U.S.A. Form or designs 58MVP-13SI without notice Pg 52 and without 1-04 incurring obligations, Replaces: 58MVP-12SI
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