ICP (F/G)9MAE0601714A, Service And Technical Support Manual

Page 1: ...s and or pictures or product labels The signal word WARNING is used throughout this manual in the following manner Safety alert symbol When you see this symbol on the unit and in instructions or manua...

Page 2: ...eath WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE...

Page 3: ...nsate Drain Connected Condensate Drain Trapped Manual Gas Shut off Upstream of Furnace Drip Leg Gas Valve turned ON Type of Gas Natural Propane Filter Type and Size Shade in Final Furnace Settings Bel...

Page 4: ...for the increased temperature in return air resulting from bypass NOTE If modulating dampers are used blower motor automatically compensates for modulating dampers Air Conditioning A C Setup Switches...

Page 5: ...2000 ft 610 M NOTICE The NATURAL GAS manifold pressure adjustments in Table 4 and Table 5 compensate for BOTH altitude AND gas heating value DO NOT apply an additional de rate factor to the pressures...

Page 6: ...e for altitude range NOTE For Canadian altitudes of 2000 to 4500 ft 610 to 1372 M use USA altitudes of 2001 to 3000 ft 610 to 914 M Check Inlet Gas Pressure The inlet gas pressure must be checked with...

Page 7: ...event gas leak WARNING 9 Remove manometer from the inlet pressure tap of the gas valve 10 Apply pipe dope sparingly to end of inlet gas pipe plug and re install in the gas valve 11 Re install cap over...

Page 8: ...for improved comfort Determine air temperature rise as follows 1 Place thermometers in return and supply ducts as near furnace as possible Be sure thermometers do not see heat exchanger so that radian...

Page 9: ...ve to prevent gas leak WARNING FURNACE OVERHEATING HAZARD Failure to follow this caution may result in reduced furnace life Recheck temperature rise It must be within limits specified on the rating pl...

Page 10: ...shooting assistance when R thermostat lead is disconnected Turn OFF when Self Test is completed Bl Off D l i dj bl d SW1 7 SW1 8 Blower OFF delay ON or OFF Blower Off Delay time adjustable 90 seconds...

Page 11: ...H POSITIONS 1600 2000 2100 2000 1000 800 1000 1200 1400 1600 2000 800 800 1000 1200 1400 2000 800 800 1000 1200 1400 1600 2000 2000 2000 800 800 1000 1200 1400 1600 2000 2000 1400 1400 1400 600 600 80...

Page 12: ...rmal circulation d Burners will re light when furnace cools down 2 Check Pressure Switch es This control proves operation of the draft inducer blower a Turn off 115 v power to furnace b Disconnect ind...

Page 13: ...43 3 8 0 60 42 3 2 0 50 850 44 3 8 0 60 43 3 5 0 55 43 3 6 0 55 43 3 7 0 60 875 44 3 6 0 60 44 3 7 0 60 43 3 4 0 55 43 3 5 0 55 4000 900 44 3 4 0 55 44 3 5 0 55 44 3 7 0 60 44 3 8 0 60 1219 925 44 3 2...

Page 14: ...750 44 3 5 0 55 44 3 7 0 60 44 3 8 0 60 43 3 4 0 55 8000 775 44 3 3 0 55 44 3 4 0 55 44 3 5 0 55 44 3 7 0 60 2438 800 45 3 8 0 60 44 3 2 0 50 44 3 3 0 55 44 3 4 0 55 825 46 3 7 0 60 46 3 8 0 60 45 3...

Page 15: ...3 2 0 50 42 3 3 0 50 850 43 3 4 0 55 43 3 5 0 55 43 3 6 0 55 43 3 8 0 60 875 44 3 7 0 60 44 3 8 0 60 43 3 4 0 55 43 3 6 0 55 4000 900 44 3 5 0 55 44 3 6 0 55 44 3 7 0 60 43 3 4 0 55 1219 925 44 3 3 0...

Page 16: ...0 44 3 6 0 55 44 3 7 0 60 43 3 4 0 55 43 3 5 0 55 8000 775 44 3 4 0 55 44 3 5 0 55 44 3 6 0 55 44 3 7 0 60 2438 800 44 3 2 0 50 44 3 3 0 50 44 3 4 0 55 44 3 5 0 55 825 46 3 8 0 60 45 3 7 0 60 44 3 2 0...

Page 17: ...70 1335 1300 1260 1225 1190 1155 Heating SW1 Maximum Heat Airflow 3 1075 1085 1095 1095 1090 1080 1065 1050 1035 1020 Intermediate Heat Airflow 3 535 515 505 515 495 See note 4 Minimum Heat Airflow 3...

Page 18: ...ating SW1 Maximum Heat Airflow 3 1520 1485 1450 1415 1375 1335 1300 1265 1225 1190 Intermediate Heat Airflow 3 755 745 755 755 765 See note 4 Minimum Heat Airflow 3 620 625 630 620 610 See note 4 Unit...

Page 19: ...745 740 705 680 See note 4 OFF ON OFF 930 925 915 900 885 See note 4 OFF ON ON 1095 1100 1110 1105 1085 See note 4 ON OFF OFF 1265 1255 1265 1280 1275 1285 1270 1260 1250 1230 ON OFF ON 1465 1455 1470...

Page 20: ...20 300 21 171 343 857 62 58 116 290 22 164 327 818 64 56 112 281 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 4...

Page 21: ...component location accordingly Figure 6 Multipoise Orientations A93041 Electrical Controls and Wiring WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or...

Page 22: ...Status Code or 8th Code will be a heartbeat 6 Turn SW1 1 OFF 7 A heartbeat amber LED will appear and indicates proper operation 8 Release blower door switch install blower door and or refer to the SER...

Page 23: ...water leakage sagging pipes or broken fittings Have vent pipes vent system serviced by a qualified service agency 6 Inspect any accessories attached to the furnace such as a humidifier or electronic a...

Page 24: ...er reassembly d Remove screws securing cutoff plate and remove cutoff plate from housing e Remove bolts holding motor mounts to blower housing and slide motor and mounts out of housing f Remove blower...

Page 25: ...ing the mounting to the burner assembly Refer to Figure 9 1 Disconnect power at external disconnect fuse or circuit breaker 2 Turn off gas at external shut off or gas meter 3 Remove outer doors and se...

Page 26: ...iew L12F041 2 in 2 5 mm 3 8 in 3 16 in 0 8 1 5 mm 50 mm 9 6 mm 4 6 mm 1 10 in 1 32 1 16 in 16 Turn power on at external disconnect fuse or circuit breaker 17 Run the furnace through two complete heati...

Page 27: ...gasket from the collector box if it did not come off when the trap was removed 9 Discard the old trap gasket 10 Rinse condensate trap in warm water until trap is clean 11 Flush condensate drain lines...

Page 28: ...eat Exchangers The condensing side inside of the secondary heat exchanger CANNOT be serviced or inspected without complete removal of the heat exchanger assembly Detailed information on heat exchanger...

Page 29: ...SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace F G 9MAE Specifications subject to change without notice 440 04 4700 00 29 Figure 14 Service Label 338316 2 Rev I...

Page 30: ...SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace F G 9MAE Specifications subject to change without notice 30 440 04 4700 00 Figure 15 Wiring Diagram 338316 2 Rev I...

Page 31: ...hen done put setup switch SW1 1 in the OFF position Was there a previous status code other than the heartbeat Go to section below for the status code that was flashed Does the control respond to W W1...

Page 32: ...eck in maximum heat If burners will still not stay on replace control If burners operate in maximum heat then switch to intermediate heat check manifold pressure If OK check burner carryover and flame...

Page 33: ...d If you have a digital voltmeter with a bar graph it will show a large change in magnitude on the bar graph several times a second If you have a standard digital voltmeter it will show a brief fluctu...

Page 34: ...aximum heat The furnace will transition and operate at minimum heat or the calculated modulating rate after starting and operating for 45 seconds at intermediate heat The furnace control CPU defaults...

Page 35: ...gh pressure switch HPS should close Switching from Medium Range Input to Maximum Heat If the furnace control CPU switches from medium range input to maximum heat the furnace control CPU will increase...

Page 36: ...tarts the furnace blower motor BLWM at low cooling airflow which is the true on board CF selection as shown in Figure 4 Table 3 and Table 6 The R to Y1 and Y2 circuits start the outdoor unit on high c...

Page 37: ...ergized along with Y1 or Y Y2 the furnace control CPU will transition to or bring on the blower motor BLWM at cooling airflow minimum heat airflow or the mid range airflow whichever is lowest The blow...

Page 38: ...odule when used Inducer motor capacitor when used Collector box Condensate trap Condensate trap elbow Gaskets WARNING FIRE EXPLOSION ELECTRICAL SHOCK AND CARBON MONOXIDE POISONING HAZARD Failure to fo...

Page 39: ...e stage T Two stage FEATURE B Base AFUE Efficiency E Extra AFUE Efficiency C Communicating D Dual Certified 2 pipe or 1 pipe R 2 pipe only S Single stage T Two stage N Standard L Low Nox FEATURE 060 6...