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RT6621017r1

April 2010

This manual is to be used by qualified, professionally trained HVAC technicians only.
Goodman does not assume any responsibility for property damage or personal injury due
to improper service procedures or services performed by an unqualified person.

®

 is a registered trademark of Maytag Corporation or its related companies

and is used under license to Goodman Company, L.P., Houston, TX.  All rights reserved.

Copyright ©2009-2010 Goodman Company, L.P.

Refer to Service Manual RS6610004 for installation, operation, and troubleshooting information.

All safety information must be followed as provided in the Service Manual.

Refer to the appropriate Parts Catalog for part number information.

Model numbers listed on page 3.

AMH8 33-3/8" 80% Gas Furnace

80% AFUE, Twin Comfort

,

Multi-Speed, Upflow/Horizontal (NOx)

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Summary of Contents for AMH8

Page 1: ...ts related companies and is used under license to Goodman Company L P Houston TX All rights reserved Copyright 2009 2010 Goodman Company L P Refer to Service Manual RS6610004 for installation operatio...

Page 2: ...repair this unit without such background may result in product damage personal injury or death Goodman will not be responsible for any injury or property damage arising from improper service or servi...

Page 3: ...and disposal of refrigerants introduced into this unit Failure to follow these regulations may harm the environment and can lead to the imposition of substantial fines These regulations may vary by j...

Page 4: ...f the blower door is not in place Keep the blower access door in place except for inspection and maintenance This furnace is also equipped with a self diagnosing elec tronic control module In the even...

Page 5: ...air as altitude increases The kit will provide the proper design certified input rate within the specified altitude range 2000 3000 4000 4500 5000 6000 7000 8000 US BURNER ORIFICE 44 55 44 55 45 56 4...

Page 6: ...Blower Door Interlock Switch Integrated Control Module Transformer Circulator Blower 1 2 3 4 5 6 7 8 9 Upflow Horizontal 1 Tubular Heat Exchanger 2 Pressure Switch 3 Flue Pipe Connection 4 Induced Dr...

Page 7: ...7 AMH8 MODELS A B AMH80453AX AMH80703AX 14 12 1 2 AMH80704BX AMH80903BX AMH80904BX 17 1 2 16 AMH80905CX AMH81155CX 21 19 1 2 AMH81405DX 24 1 2 23 All dimensions are in inches Alt Gas Inlet High Volta...

Page 8: ...81405DX 0 60 013070142 PRESSURE SWITCH TRIP POINTS AND USAGE CHART SQUARE NOSE ROUND NOSE PRESSURE SWITCH TRIP POINTS AND USAGE CHART For installaions in Canada the AMH8 furnace is certified only to 4...

Page 9: ...have an insulated Z bracket for use with one size smaller furnace All proper coil combinations are subject to being ARI rated with a matched outdoor unit Coil Matches Amana brand units using R22 and...

Page 10: ...ILTER SIZE TYPE 45M 160 in2 permanent 70M 241 in2 permanent 90M 320 in2 permanent 115M 400 in2 permanent 140M 370 in2 permanent 45M 320 in2 disposable 70M 483 in2 disposable 90M 640 in2 disposable 115...

Page 11: ...nace in Low Stage Low Heat Blower Low Heat Blower Call for Heat Call for Heat Safety Circuit Check Safety Circuit Check MODE DIP SWITCH TwinComfort Note This furnace is designed to be used with a sing...

Page 12: ...0 140 000 Output Natural Gas BTUH 1 36 000 56 000 56 000 72 000 72 000 72 000 92 000 112 000 Output LP BTUH 32 000 48 000 48 000 64 000 64 000 64 000 80 000 96 000 A F U E 80 0 80 0 80 0 80 0 80 0 80...

Page 13: ...19 56 913 57 892 58 847 829 818 792 728 LOW 1 5 758 741 741 733 699 677 649 626 HIGH 4 0 2134 2100 25 2042 25 1975 26 1883 28 1786 1700 1601 M H S 80704B MED 3 5 1668 31 1663 31 1656 31 1645 32 1616 3...

Page 14: ...30 40 50 60 70 80 90 110 120 100 130 140 150 100 90 80 70 60 50 40 30 20 10 OUTPUT BTU HR x 1000 BTU OUTPUT vs TEMPERATURE RISE CHART TEMPERATURE RISE 600 CFM 700 900 1000 1100 1200 1400 1600 1800 20...

Page 15: ...CIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING 1 SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0 7 AMPS BLOWER PRIMARY LIMIT WH GR BK IGNITER SURFACE HOT PU RD 15 PIN PLUG C NO SWITCH PRESSURE BR S...

Page 16: ...ANTICIPATORONROOMTHERMOSTATAT0 7AMPS BLOWER PRIMARYLIMIT WH GR BK IGNITER SURFACE HOT PU RD 15PINPLUG C NO SWITCH PRESSURE BR SENSOR FLAME BK WH ROLLOUTLIMITS RAPIDFLASHES REVERSED115VACPOLARITY VERIF...

Page 17: ...CIR NEU K5 GAS VALVE HIGH LIMIT AUX LIMIT PRESSURE SWITCH FLAME SENSOR PROBE IGNITOR FP IGN GND MV MLV PS HLO HLI CIRCULATOR BLOWER XFMR HOT XFMR NEU 24 VAC TH RO1 RO2 R TR C Y G W COMPRESSOR CONTACTO...

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