Coleman Gas Fired High Efficiency Two Stage Upflow Horizontal Furnaces Fc8T Uh Users Manual 246755 YTG D 0407
Gas-Fired High Efficiency Two Stage Upflow/Horizontal Furnaces LC8T-UH 246756-CTG-C-0407
LC8T-UH to the manual 65526996-da8a-4f8e-bcb5-465a29ee965c
2015-02-04
: Coleman Coleman-Gas-Fired-High-Efficiency-Two-Stage-Upflow-Horizontal-Furnaces-Fc8T-Uh-Users-Manual-365095 coleman-gas-fired-high-efficiency-two-stage-upflow-horizontal-furnaces-fc8t-uh-users-manual-365095 coleman pdf
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246756-CTG-C-0407 DESCRIPTION TECHNICAL GUIDE Echelon MODELS: FC8T-UH/LC8T-UH GAS-FIRED HIGH EFFICIENCY TWO STAGE UPFLOW/HORIZONTAL FURNACES These high efficiency, compact units employ induced combustion, reliable hot surface ignition and high heat transfer tubular heat exchangers. The units are factory shipped for installation in upflow or horizontal applications. These furnaces are designed for residential installation in a basement, closet, alcove, attic, recreation room or garage and are also ideal for commercial applications. All units are factory assembled, wired and tested to assure safe dependable and economical installation and operation. These units are Category I listed and may be common vented with another gas appliance as allowed by the National Fuel Gas Code. WARRANTY STANDARD & Low NOx 20-year limited warranty on the heat exchanger. 10-year heat exchanger warranty on commercial applications. 5-year limited parts warranty. 80% AFUE FEATURES • NATURAL GAS 40 - 120 MBH INPUT • • • • • • • • • • • • EFFICIENCY RATING CERTIFIED • ISO 9001 Certified Quality Management System • • • • Due to continuous product improvement, specifications are subject to change without notice. • • Visit us on the web at www.york.com for the most up-to-date technical information. • Additional rating information can be found at www.gamanet.org. • Two stage heating operation includes: - Two stage gas valve - Two stage inducer operation - Two speed blower operation Provides increased comfort level & very quiet unit operation Adjustable delay timer allows two stage operation with single stage thermostat Compact, easy to install, ideal height 40" cabinet Blower-off delay for cooling SEER improvement. Easy to connect power/control wiring. Built-in, high level self diagnostics with fault code display. Low unit amp requirement for easy replacement application. Integrated control module for reliable, economical operation. Electronic Hot Surface Ignition saves fuel cost with increased dependability and reliability. Induced combustion system with inshot main burners for quiet, efficient operation. 100% shut off main gas valve for extra safety. PSC -four speed, direct drive motor with large, quiet blower. 24V, 40 VA control transformer and blower relay supplied for add-on cooling. Hi-tech tubular aluminized steel primary heat exchanger. Timed on, adjustable off blower capability for maximum comfort. Solid removable bottom panel allows easy application. Easy access from front of unit for cleaning, maintenance or service. Insulated blower compartment for quiet operation. Independent door removal for greater durability and ease of access. Low NOx models have been designed to meet specific code requirements. Low NOx models may not be converted to propane unless screens are removed. FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE 246756-CTG-C-0407 B 4” Diameter (VENT CONNECTIONS) 20 3/4 POWER WIRING 7/8” HOLE 14-3/4 13-3/4 5-3/8 2-1/2 40 32-1/2 GAS INLET 1-1/4 x 2-1/2 ACCESS WIRING 7/8” K.O. 2 T’STAT WIRING 7/8” K.O. 14 16 23-1/2 2-1/4 8-3/4 1-1/8 30-1/8 A LEFT SIDE FRONT RIGHT SIDE 5/8 1-1/2 1-1/4 26-3/4 5/8 D C BOTTOM IMAGE RETURN END 20 4” Diameter B 24-3/4 TOP IMAGE SUPPLY END CABINET AND DUCT DIMENSIONS Models CFM Cabinet Size FC8T040A12UH11 (F,L)C8T060A12UH11 (F,L)C8T080A12UH11 (F,L)C8T080B16UH11 (F,L)C8T080C16UH11 FC8T100B12UH11 (F,L)C8T100C20UH11 FC8T120C16UH11 (F,L)C8T120C20UH11 1200 1200 1200 1600 1600 1200 2000 1600 2000 A A A B C B C C C Cabinet Dimension A B C D 14 1/2 14 1/2 14 1/2 17 1/2 21 17 1/2 21 21 21 13 1/4 13 1/4 13 1/4 16 1/4 19 3/4 16 1/4 19 3/4 19 3/4 19 3/4 11 1/2 11 1/2 11 1/2 14 1/2 18 14 1/2 18 18 18 10 1/8 10 1/8 10 1/8 11 5/8 13 3/8 11 5/8 13 3/8 13 3/8 13 3/8 RATINGS & PHYSICAL / ELECTRICAL DATA Models FC8T040A12UH11 (F,L)C8T060A12UH11 (F,L)C8T080A12UH11 (F,L)C8T080B16UH11 (F,L)C8T080C16UH11 FC8T100B12UH11 (F,L)C8T100C20UH11 FC8T120C16UH11 (F,L)C8T120C20UH11 Models FC8T040A12UH11 (F,L)C8T060A12UH11 (F,L)C8T080A12UH11 (F,L)C8T080B16UH11 (F,L)C8T080C16UH11 FC8T100B12UH11 (F,L)C8T100C20UH11 FC8T120C16UH11 (F,L)C8T120C20UH11 Blower Input/Cabinet Output BTU/H Nominal Cabinet Width Blower Size High/Low High/Low Airflow AFUE MBH MBH CFM In Hp Amps In 40/26 32/21 1200 14-1/2 80.0 1/2 7.7 10 x 8 57/42 46/34 1200 14-1/2 80.0 1/2 7.7 10 x 8 80/59 64/48 1200 14 1/2 80.0 1/2 7.7 10 x 8 80/59 64/48 1600 17-1/2 80.0 3/4 11.5 10 x 10 80/59 64/48 1600 21 80.0 3/4 11.5 10 x 10 100/65 80/53 1200 17 1/2 80.0 1/2 11.5 10 x 10 100/65 80/53 2000 21 80.0 1 14 11 x 10 120/78 96/64 1600 21 80.0 3/4 11.5 11 x 10 120/78 96/64 2000 21 80.0 1 14 11 x 11 Input/Cabinet Max. Outlet Low Fire High Fire Min. wire Size Operation Max Unit Weight High/Low Air Temp Air Temp. Rise Air Temp. Rise Over-Current (awg) @ 75 ft Amps one way Protect MBH °F °F °F Lbs 40/26 150 15-45 20-50 9.0 20 14 107 57/42 160 25-55 35-65 9.0 20 14 107 80/52 175 30-60 40-70 9.0 20 14 117 80/59 160 25-55 25-55 12.0 20 14 129 80/59 160 25-55 25-55 12.0 20 14 130 100/65 170 25-55 40-70 12.0 20 14 128 100/65 170 25-55 40-70 12.0 20 14 145 120/78 180 25-55 45-75 12.0 20 14 145 120/78 170 25-55 35-65 14.0 20 12 147 Annual Fuel Utilization Efficiency (AFUE) numbers are determined in accordance with DOE Test procedures. Wire size and over current protection must comply with the National Electrical Code (NFPA-70-latest edition) and all local codes. The furnace shall be installed so that the electrical components are protected from water. 2 Unitary Products Group 246756-CTG-C-0407 BLOWER PERFORMANCE CFM - UPFLOW (WITHOUT FILTER) - BOTTOM RETURN Bottom Airflow Data (SCFM) Models Speed FC8T040A12UH11 (F,L)C8T060A12UH11 (F,L)C8T080A12UH11 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1540 1460 1360 1290 1200 1110 1020 900 760 Medium High 1430 1390 1330 1250 1190 1110 1030 940 840 710 Medium Low 1200 1180 1140 1100 1050 1000 930 850 750 620 980 980 960 920 890 840 790 720 620 530 1570 1490 1420 1340 1250 1180 1090 990 870 700 Medium High 1410 1360 1310 1250 1190 1090 1020 920 810 650 Medium Low 1200 1180 1150 1100 1050 990 920 830 700 580 Low 960 960 950 930 900 840 800 720 610 500 High 1590 1520 1460 1380 1300 1240 1150 1050 930 800 Medium High 1400 1360 1310 1260 1200 1140 1070 960 860 740 Medium Low 1180 1160 1130 1090 1040 990 920 840 750 640 Low 940 940 940 920 880 840 790 710 630 530 High 1850 1820 1790 1750 1690 1630 1570 1500 1430 1330 Medium 1470 1450 1440 1430 1390 1360 1310 1270 1220 1150 Low 1260 1260 1260 1260 1250 1200 1150 1110 1070 1010 High 2077 1992 1922 1830 1727 1617 1507 1355 1219 1050 Medium 1729 1673 1631 1581 1507 1421 1293 1187 1053 907 Low 1448 1452 1432 1390 1324 1264 1176 1058 939 774 High 1700 1620 1560 1480 1390 1300 1210 1110 970 820 Medium High 1430 1400 1350 1300 1230 1160 1080 980 870 710 Medium Low 1180 1170 1160 1130 1080 1030 1000 860 750 510 Low 950 950 930 920 880 840 790 720 620 530 High 2590 2500 2400 2280 2180 2080 1970 1840 1720 1560 Medium High 2180 2120 2040 1980 1900 1810 1720 1600 1480 1320 Medium Low 1750 1720 1680 1640 1580 1520 1440 1350 1220 1060 Low 1450 1420 1380 1330 1300 1240 1160 1070 970 860 High 2020 1930 1820 1730 1640 1540 1400 1250 1090 920 Medium 1750 1710 1650 1590 1490 1390 1290 1160 1010 810 Low 1540 1500 1460 1410 1350 1260 1180 1060 910 750 High 2500 2400 2320 2220 2110 2000 1870 1750 1610 1450 Medium High 2130 2070 1990 1920 1840 1760 1660 1570 1460 1320 Medium Low 1700 1680 1650 1620 1560 1500 1410 1320 1210 1070 Low 1420 1390 1360 1330 1290 1240 1150 1060 950 840 FC8T120C16UH11 (F,L)C8T120C20UH11 0.2 1610 Low (F,L)C8T080C16UH11 (F,L)C8T100C20UH11 0.1 High High (F,L)C8T080B16UH11 FC8T100B12UH11 Ext. Static Pressure (in. H2O) NOTES: 1. Airflow expressed in standard cubic feet per minute. 2. Motor voltage at 115 V. Unitary Products Group 3 246756-CTG-C-0407 BLOWER PERFORMANCE CFM - UPFLOW (WITHOUT FILTER) - LEFT SIDE RETURN Left Side Airflow Data (SCFM) Models Speed FC8T040A12UH11 (F,L)C8T060A12UH11 (F,L)C8T080A12UH11 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1730 1660 1570 1480 1390 1300 1200 1090 930 Medium High 1390 1390 1350 1320 1270 1210 1150 1080 970 790 Medium Low 1120 1120 1120 1110 1080 1080 1020 930 830 690 Low 880 910 920 920 910 870 820 740 650 510 1770 1690 1630 1560 1490 1390 1290 1190 1050 920 1400 1380 1350 1320 1280 1230 1160 1060 930 780 Medium Low 1120 1130 1150 1130 1120 1080 1000 950 790 630 Low 880 900 900 900 880 850 790 730 660 530 1000 High 1790 1720 1670 1590 1530 1450 1350 1260 1140 Medium High 1420 1370 1350 1320 1280 1230 1170 1090 990 840 Medium Low 1080 1120 1110 1100 1080 1040 1000 920 820 690 Low N/A 900 900 890 870 850 800 730 670 560 1460 High 2000 1960 1930 1900 1800 1760 1710 1640 1550 Medium 1440 1440 1430 1420 1400 1380 1340 1300 1220 1150 Low 1220 1230 1230 1230 1200 1190 1170 1160 1110 1050 High 2172 2101 2028 1943 1854 1732 1621 1503 1344 1144 Medium 1640 1633 1626 1584 1518 1480 1378 1276 1125 965 Low 1388 1404 1412 1396 1362 1311 1222 1144 1001 827 High 1780 1710 1640 1560 1490 1390 1290 1180 1030 820 Medium High 1430 1410 1370 1340 1280 1220 1140 1040 890 730 Medium Low 1140 1170 1150 1120 1080 1040 970 890 760 630 Low 920 940 950 940 920 890 850 770 660 560 High 2770 2670 2610 2540 2450 2340 2210 2070 1890 1730 Medium High 2120 2060 2030 2000 1950 1880 1810 1720 1580 1370 Medium Low 1690 1660 1630 1610 1560 1490 1420 1350 1240 1070 Low 1390 1370 1330 1290 1250 1200 1120 1010 910 850 High 2160 2070 1990 1900 1800 1690 1580 1430 1260 1000 Medium 1760 1720 1690 1630 1560 1480 1390 1250 1080 890 FC8T120C16UH11 (F,L)C8T120C20UH11 0.2 1810 High (F,L)C8T080C16UH11 (F,L)C8T100C20UH11 0.1 High Medium High (F,L)C8T080B16UH11 FC8T100B12UH11 Ext. Static Pressure (in. H2O) Low 1510 1490 1470 1440 1380 1300 1210 1110 950 780 High 2740 2650 2560 2480 2380 2280 2170 1990 1840 1650 Medium High 2120 2090 2040 2000 1940 1870 1780 1680 1550 1370 Medium Low 1690 1670 1650 1610 1560 1510 1440 1310 1160 1030 Low 1390 1360 1330 1300 1250 1190 1100 1020 940 840 NOTES: 1. Airflow expressed in standard cubic feet per minute. 2. Return air is through side opposite motor (left side). 3. Motor voltage at 115 V. 4. Airflow through motor side return (right side) maybe slightly less than shown above. 4 Unitary Products Group 246756-CTG-C-0407 HORIZONTAL SIDEWALL VENTING For applications where vertical venting is not possible, the only approved method of horizontal venting is the use of an auxiliary power vent. Approved power venters are Fields Controls Model SWG-4Y or the appropriate Tjernlund GPAK model. Follow all application and installation details provided by the manufacturer of the power vent. This unit may be horizontally vented using 4” (10.2 cm) diameter pipe with a minimum length of 4.5 feet (1.37 m) and a maximum length of 34.5 feet (10.82 m) with up to 4 elbows. NOTE: The filter pressure drop values in the “Filter Performance” table shown below are typical values for the type of filter listed and should only be used as a guideline. Actual pressure drop ratings for each filter type vary between filter manufacturer. RECOMMENDED FILTER SIZES Cabinet Size Side (in) Bottom (in) A 16 x 25 14 x 25 B 16 x 25 16 x 25 C (2) 16 x 25 20 x 25 FILTER PERFORMANCE The airflow capacity data published in the “Blower Performance” table listed above represents blower performance WITHOUT filters. To determine the approximate blower performance of the system, apply the filter drop value for the filter being used or select an appropriate value from the “Filter Performance” table shown below. NOTES: 1. Air velocity through throwaway type filters may not exceed 300 feet per minute. All velocities over this require the use of high velocity filters. 2. Air flows above 1800 CFM require either return from two sides or one side plus bottom. FILTER PERFORMANCE - PRESSURE DROP INCHES W.C. AND (KPA) Airflow Range Filter Type Minimum Opening Size Disposable Washable Fiber Pleated in2 In W.C. In W.C. In W.C. 0.15 CFM 0 - 750 230 0.01 0.01 751 - 1000 330 0.05 0.05 0.20 1001 - 1250 330 0.10 0.10 0.20 1251 - 1500 330 0.10 0.10 0.25 1501 - 1750 380 0.15 0.14 0.30 1751 - 2000 380 0.19 0.18 0.30 2001 & Above 463 0.19 0.18 0.30 UNIT CLEARANCES TO COMBUSTIBLES (ALL DIMENSIONS IN INCHES, AND ALL SURFACES IDENTIFIED WITH THE UNIT IN AN UPFLOW CONFIGURATION) Application Top Front Rear Left Side Right Side Flue Floor/ Bottom Closet Alcove Attic Line Contact Upflow 1 6 0 0 3 6 Combustible Yes Yes Yes No Upflow B-Vent 1 3 0 0 0 1 Combustible Yes Yes Yes No Horizontal 1 6 0 0 3 6 Combustible No Yes Yes Yes1 Horizontal B-Vent 1 3 0 0 0 1 Combustible No Yes Yes Yes1 1 Line contact only permitted between lines formed by the intersection of the rear panel and side panel (top in horizontal postion) of the furance jacket and building joists, studs or framing. Unitary Products Group 5 246756-CTG-C-0407 APPLYING FILTER PRESSURE DROP TO DETERMINE SYSTEM AIRFLOW To determine the approximate airflow of the unit with a filter in place, follow the steps below: 1. 2. Select the filter type. Select the number of return air openings or calculate the return opening size in square inches to determine the proper filter pressure drop. 3. Determine the External System Static Pressure (ESP) without the filter. 4. Select a filter pressure drop from the table based upon the number of return air openings or return air opening size and add to the ESP from Step 3 to determine the total system static. 5. If total system static matches a ESP value in the airflow table (i.e. 0.20 w.c. (50 Pa), 0.60 w.c. (150 Pa), etc,) the system airflow corresponds to the intersection of the ESP column and Model/Blower Speed row. 6. If the total system static falls between ESP values in the table (i.e. 0.58 w.c. (144 Pa), 0.75 w.c. (187 Pa), etc.), the static pressure may be rounded to the nearest value in the table determining the airflow using Step 5 or calculate the airflow by using the following example. Example: For a 60,000 BTUH (17.58 kW) furnace with a bottom return opening and operating on high-speed blower, it is found that total system static is 0.58” w.c. To determine the system airflow, complete the following steps: Obtain the airflow values at 0.50 w.c. (125 Pa) & 0.60 w.c. (150 Pa) ESP. Airflow @ 0.50”: 1250 CFM (35.4 m3/min) Airflow @ 0.60”: 1180 CFM (33.4 m3/min) Subtract the airflow @ 0.50 w.c. (125 Pa) from the airflow @ 0.60 w.c. (150 Pa) to obtain airflow difference. 1180 - 1250 = -70 CFM (-12 m3/min) Subtract the total system static from 0.50 w.c. (125 Pa) and divide this difference by the difference in ESP values in the table, 0.60 w.c. (150 Pa) - 0.50 w.c. (125 Pa), to obtain a percentage. ACCESSORIES PROPANE (LP) CONVERSION KIT 1NP0347 - All units This accessory conversion kit may be used to convert natural gas (N) units for propane (LP) operation. Conversions must be made by qualified distributor or dealer personnel. SIDE RETURN FILTER 1SR0302 - All Models 1SR0200 - All Models BOTTOM RETURN FILTER 1BR0114 or 1BR0214 - For 14-1/2” cabinets 1BR0117 or 1BR0217 - For 17-1/2” cabinets 1BR0121 or 1BR0221 - For 21” cabinets 1BR0124 or 1BR0224 - For 24-1/2” cabinets INTERNAL FILTER WITH FIBER FILTER 1HF0801 - All Models HIGH ALTITUDE PRESSURE SWITCHES For installation where the altitude is less than 8,000 feet it is not required that the pressure switch be changed. For altitudes above 8,000 feet see kits below. Conversion must be made by qualified distributor or dealer personnel. 1PS0313 - 040, 060, 080, 100 MBH 1PS0314 - 120 MBH ROOM THERMOSTATS - A wide selection of compatible thermosets are available to provide optimum performance and features for any installation. 1 Heat Stage only, manual, mechanical thermostat. Add subbase for 1H/1C. 1H/1C, manual change-over electronic non-programmable thermostat. 1H/1C, auto/manual changeover, electronic programmable, deluxe 7-day, thermostat. 1H/1C, auto/manual changeover, electronic programmable. * For the most current accessory information, refer to the price book or consult factory. (0.58 - 0.50) / (0.60 - 0.50) = 0.8 Multiply percentage by airflow difference to obtain airflow reduction. (0.8) X (-70) = -56 Subtract airflow reduction value to airflow @ 0.50 w.c. (125 Pa) to obtain actual airflow @ 0.58 in. w.c. (144 Pa) ESP. 1250 - 56 = 1194 6 Unitary Products Group Unitary Products Group Thermostat Installer Setup Number 0170 - System Type must be set to 8 - 2 Heat/2 Cool Multistage Conventional Thermostat Installer Setup Number 1 - System Type must be set to 6 2 Heat/2 Cool Conventional Thermostat Installer Setup Number 15 - Compressor Protection - must be set to 5 Connection of the "C" Termainal, 24-Volt Common, is optional when used with batteries Connection of the "C" Termainal, 24-Volt Common, is optional when used with batteries Step 1 of Thermostat User Configuration Menu must be set to MS 2 Connection of the "C" Termainal, 24-Volt Common, is optional when used with batteries G Fan G Fan Connection of the "C" Termainal, 24-Volt Common, is optional when used with batteries W2 Second Stage Heat W2 Second Stage Heat G Fan E/W1 First Stage Heat E/W1 First Stage Heat G Fan RC 24-Volt Hot (Cool XFMR) RC 24-Volt Hot (Cool XFMR) R 24-Volt Hot W2 Second Stage Heat R 24-Volt Hot R 24-Volt Hot (Heat XFMR) R 24-Volt Hot (Heat XFMR) Y2 Second Stage Cool W2 Second Stage Heat Y2 Second Stage Cool Y2 Second Stage Cool Y2 Second Stage Cool Y1 First Stage Cool E/W1 First Stage Heat Y First Stage Cool Y First Stage Cool Y First Stage Cool C 24-Volt Common W First Stage Heat C 24-Volt Common C 24-Volt Common Step 16 of Thermostat User Configuration Menu must be set to ON to use Comfort Alert Features Step 1 of Thermostat User Configuration Menu must be set to MLTI STG HM Humidistat L Malfunction Light G Fan W2 Second Stage Heat E/W1 First Stage Heat R 24-Volt Hot Y2 Second Stage Cool Y1 First Stage Cool C 24-Volt Common *PP32U72124 *PP32U71124 *DP22U70124 C 24-Volt Common THERMOSTAT THERMOSTAT *PP32U70124 *DN22U00124 *DN22C00124 THERMOSTAT THERMOSTAT THERMOSTAT AC9 2 Stage Scroll A/C w/2 Stage Furnace, 2 Stage Cooling Ready- PT8/9; (F,L)*8/9T, (G,L)*8/9T, XYG8S-U, XYF8S-U / XYF8S-U*L G Fan W2 Second Stage Heat W/W1 Single/First Stage Heat Y1 First Stage Cool Y/Y2 Single/Second Stage Cool R 24-Volt Hot C 24-Volt Common 2 STAGE PSC FURNACE CONTROL 24V HUMIDIFIER (Optional) Comfort Alert Interface R 24-Volt Hot Y2 Second Stage Cool Y1 First Stage Cool C 24-Volt Common TWO STAGE AIR CONDITIONING 246756-CTG-C-0407 For additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document available online at www.upgnet.com in the Product Catalog Section. Thermostat Chart - AC 7 Thermostat Chart - HP Subject to change without notice. Printed in U.S.A. Copyright © by York International Corp. 2007. All rights reserved. Unitary Products Group 246756-CTG-C-0407 Supersedes: 246756-CTG-B-0806 5005 York Drive Norman OK 73069 HP23 Thermostat Installer Setup Number 0210 External Fossil Fuel Kit - must be set to 0 External Fossil Fuel Kit is Controlling Heat Pump Backup Heat Thermostat Installer Setup Number 0200 - Backup Heat Source - must be set to 1 - Heat Pump Backup Heat Source is Fossil Fuel Step 1 of Thermostat User Configuration Menu must be set to Heat Pump 2 W2 Second Stage Auxiliary Heat Thermostat Installer Setup Number 0190 Reversing Valve (O/B) Operation - must be set to 0 - O/B Terminal Energized in Cooling E/W1 First Stage Auxiliary Heat AUX Auxiliary Heat Selection of GAS/ELEC switch on thermostat not necessary W2 Second Stage Auxiliary Heat Y2 Second Stage Heat/Cool Y2 Second Stage Heat/Cool Thermostat Installer Setup Number 0170 - System Type - must be set to 12 - 3 Heat/2 Cool Heat Pump E/W1 First Stage Auxiliary Heat L Malfunction Light L Malfunction Light Step 1 of Thermostat User Configuration Menu must be set to Heat Pump 2 HM Humidistat Y2 Second Stage Heat/Cool L Malfunction Light O Reversing Valve–Energized in Cool O Reversing Valve–Energized in Cool O/B Reversing Valve G Fan G Fan DHM Dehumidistat G Fan E Emergency Heat R 24-Volt Hot Y1 First Stage Heat/Cool Y1 First Stage Cool C 24-Volt Common Set W2 Delay on furnace to OFF 24V HUMIDIFIER (Optional) Bonnet Sensor (Optional) G Fan W2 Second Stage Heat W/W1 Single/First Stage Heat R 24-Volt Hot R 24-Volt Hot Y1 First Stage Heat/Cool Y First Stage Heat/Cool C 24-Volt Common *PP32U72124 PSC-2 STAGE COOLING READY FURNACE CONTROL R 24-Volt Hot (Heat XFMR) C 24-Volt Common C 24-Volt Common *PP32U71124 THERMOSTAT Y/Y2 Single/Second Stage Cool *DN22H00124 *DP22U70124 *PP32U70124 RC 24-Volt Hot (Cool XFMR) THERMOSTAT THERMOSTAT Two Stage H/P - H*5B, YZE - w/Two Stage Furnace, 2 Stage Cooling Ready - PT8/9, (F,L)*8/9T, (G,L)*8/9T, XYG8S-U, XYF8S-U / XYF8S-U*L W/031-01996- Series Demand Control; Hot Heat Pump Mode OR Conventional Change FFuel Jumper on Heat Pump to ON BS Bonnet Sensor BSG Bonnet Sensor W Auxiliary Heat Y2 Second Stage Heat/Cool X/L Malfunction Light O Reversing Valve–Energized in Cool W2 OUT Second Stage Auxiliary Heat Output W1 OUT First Stage Auxiliary Heat Output R 24-Volt Hot Y2 OUT Second Stage Cool Output Y1 First Stage Heat/Cool C 24-Volt Common TWO STAGE HEAT PUMP
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