Carrier 38TRA018 SERIES300 User Manual CONDENSING UNIT Manuals And Guides L0411016

CARRIER Air conditioner/heat pump(outside unit) Manual L0411016 CARRIER Air conditioner/heat pump(outside unit) Owner's Manual, CARRIER Air conditioner/heat pump(outside unit) installation guides

User Manual: Carrier 38TRA018 SERIES300 38TRA018 SERIES300 CARRIER CONDENSING UNIT - Manuals and Guides View the owners manual for your CARRIER CONDENSING UNIT #38TRA018SERIES300. Home:Heating & Cooling Parts:Carrier Parts:Carrier CONDENSING UNIT Manual

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HEATING & COOUNGVisit www.carrier.cmn38TRAAir Conditioning UnitInstallation and Start-Up InstructionsNOTE: Read the entire instruction manual before starting theinstallation.This symbol =-> indicates a change since the last issue.SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service, maintenance,or use can cause explosion, fire, electrical shock, or otherconditions which may cause personal injury or property damage.Consult a qnalified installer, service agency, or your distributor orbranch for information or assistance. The qualified installer oragency must use factory-authorized kits or accessories whenmodifying this product. Refer to the individual instructions pack-aged with the kits or accessories when installing.Follow all safety codes. Wear safety glasses and work gloves. Usequenching cloth for brazing operations. Have fire extinguisheravailable. Read these instructions thoroughly and follow allwarning or cautions attached to the unit. Consult local buildingcodes and National Electrical Code (NEC) for special reqnire-lilents.Recognize safety information. This is the safety-alert symbol z_ •When you see this symbol on the unit and in instructions ormanuals, be alert to the potential for personal injury.Understand these signal words; DANGER, WARNING, andCAUTION. These words are used with the safety-alert symbol.DANGER identifies the most serious hazards which will result insevere personal injury or death. WARNING signifies hazardswhich could result in personal injury or death. CAUTION is usedto identify unsafe practices which would result in minor personalinjury or product and property damage. NOTE is used to highlightsuggestions which will result in enhanced installation, reliability,or operation.¥.,_ "EY!3;_II_r3Before installing, modifying, or servicing system, main elec-trical disconnect switch must be in the OFF position. Theremay be more than 1 disconnect switch. Lock out and tagswitch with a suitable warning label. Electrical shock cancause personal injury or death.INSTALLATION RECOMMENDATIONSNOTE: In some cases, noise in the living area has been traced togas pulsations fi'om improper installation of equipment.i. Locate the unit away l}om windows.2. Ensure that vapor and liquid line diameters are appropriate tothe capacity of the unit. (See Table 1.)3. Run refrigerant robes as directly as possible by avoidingunnecessary tunas and bends.4. Leave some slack between the structure and the unit to absorbvibration.A98516Fig. 1--Model 38TRA5. When passing refrigerant robes through the wall, seal theopening with RTV or other pliable silicon-based caulk. (SeeFig. 3.)6. Avoid direct lineset contact with water pipes, ductwork, floorjoists, wall studs, floors, and walls.7. Do not suspend rel}igerant robing fi'om joists and studs with arigid wire or strap which comes in direct contact with thetubing. (See Fig. 3.)8. Ensure that tubing insulation is pliable and completely sur-rounds the vapor line.9. When necessary, use hanger straps which are 1 in. wide andconform to the shape of the tubing insulation. (See Fig. 3.)10. Isolate the hanger straps from the insulation by using metalsleeves bent to conlbrm to the shape of the insulation.When outdoor unit is connected to _actory-approved indoor unit,outdoor unit contains system refrigerant charge for operation withfactory-approved indoor unit of the same size when connected by15 ft of field-supplied tubing. For proper unit operation, checkrefrigerant charge using charging information located on controlbox cover.IMPORTANT: Maxinmm liquid-line size is 3/8-in. O.D. for allresidential applications including long line.IMPORTANT: Always install a liquid line filter drier on anysystem using an existing field service lineset and/or indoorevaporator coil or fan coil. Also, always use liquid line filter drierson burnout compressor replacements. Refer to Product Data Digestfor appropriate part number. Obtain filter driers fi'om your localdistributor or branch.Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 101 Catalog No 533-80090 Printed in USA. Form 38TRA-6Sl Pg 1 02-03 Replaces: 38TRA-5Sl
Table 1--Refrigerant Connections and Recommended Liquid and VaLIQUID VAPORUNIT SIZE Connection Diameter Tube Diameter Connection Diameter Tube Diameter018, 024 3/8 3/8 5/8 5/8030, 036 3/8 3/8 3/4 3/4042, 048 3/8 3/8 7/8 7/8060 3/8 3/8 7/8 !-1/8_or Tube Diameters (In.)VAPOR (LONG LINE)Connection Diameter Tube Diameter5/8 3/43/4 7/87/8 1-1/87/8 1-1/8Notes: 1 Tube diameters are for lengths up to 50 ft. For tube sets over 50 ft horizontal and/or 20 ft vertical differential consult Residential Long-Line Application GuideIine.2. Do not apply capilIary tube indoor coils to these units.INSTALLATIONStep l--Check Equipment and Job SiteUNPACK UNIT Move to final location. Remove carton takingcare not to damage unit.INSPECT EQUIPMENT File claim with shipping companyprior to installation if shipment is damaged or incomplete. Locateunit rating plate on unit service panel. It contains informationneeded to properly install unit. Check rating plate to be sure unitmatches job specifications.Step 2--Install on a Solid, Level Mounting PadIf" conditions or local codes require the unit be attached to a pad,tie down bolts should be used and fastened through knockoutsprovided in unit base pan. Refer to unit mounting pattern shown inFig. 2to determine base pan size and knockout hole location.On rooftop applications, mount on level platform or frame. Placeunit above a load-bearing wall and isolate unit and tubing set fi'omstructure. Arrange supporting members to adequately support unitand minimize transmission of vibration to building. Consult localcodes goveruing rooftop applications.Roof mounted units exposed to winds above 5 mph may requirewind baffles. Consult Low-Ambient Guideline for wind baffleconstruction.NOTE: Unit must be level to within ±2 ° per compressor manu-facturer specifications.Step a--Clearance RequirementsWhen installing, allow sufficient space for airflow, wiring, refrig-erant piping, and service. Allow 30 in. clearance to service end ofunit and 48 in. above unit. For proper airflow, a 6 in. clearance on3/8-1N DIA TIEDOWN --_KNOCKOUTS IN BASEPAN \(2) PLACES \o/."......,/V o T \ ",>.:_I" ,,',_t.:(( '>_!/_ql\ c. _ ,£\ _ 2 ,/2 /?:>VIEW FROM TOP I _!A8 3/16"Dimensions (In.)UNIT BASE TIEDOWN KNOCKOUT LOCATIONSPAN DIMENSIONS A B22.5 X 27.5 2-13/!6 6-15/1630.0 X 35.0 4 9-3/4Fig. 2--Clearance Requirements1 side of unit and 12 in. on all remaining sides must be maintained.Maintain a distance of 24 in. between units. Position so water,snow, or ice from roof or eaves cannot fall directly on unit.On rooftop applications, locate unit at least 6 in. above roofsurface.Step 4_Operating AmbientThe mininmm outdoor operating ambient in cooling mode is 55°F,and the maxinmm outdoor operating ambient in cooling mode is125°F.Step 5--Replace Indoor AccuRater TM Piston, if RequiredCheck indoor coil piston to see if it matches the required pistonshown on unit rating plate. If it does not match, replace indoor coilpiston with piston shipped with this unit. The piston shipped withoutdoor unit is con'ect for any approved indoor coil combination.Remove indoor coil piston if unit is to be installed on systemwith a thermostatic expansion valve (TXV) metering device.NOTE: Avoid contact between tubing and structure ____OOTOOO WA L-- ,.OOO WAL>.CAULK ' r fz_ L,QU,DTUBESULATITHROUGH THE WALLHANGER STRAP-- N _f"---JOIST(AROUND VAPOR N, --_i I VAPOR TUBE()h1"MIN.--,-ILIQUID TUBESUSPENSIONFig. 3--Piping InstallationA94028

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