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AMH8 33-3/8" 80% Gas Furnace
80% AFUE, Twin Comfort
Multi-Speed, Upflow/Horizontal
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Refer to Service Manual RS6612007 for troubleshooting information.
•
All safety information must be followed as provided in the Service Manual.
•
Refer to the appropriate Parts Catalog for part number information.
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Model numbers listed on page 3.
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.
TECHNICAL MANU
TECHNICAL MANU
TECHNICAL MANU AL
TECHNICAL MANU
TECHNICAL MANU
Copyright ©2011, 2013 Goodman Company, L.P.
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RT6621023r3
November 2013
US
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Table of Contents
Related Manuals for Amana AMH8 33-3/8"
Summary of Contents for Amana AMH8 33-3/8"
- Page 1 TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU TECHNICAL MANU AL TECHNICAL MANU AMH8 33-3/8" 80% Gas Furnace ™ 80% AFUE, Twin Comfort Multi-Speed, Upflow/Horizontal • Refer to Service Manual RS6612007 for troubleshooting information. • All safety information must be followed as provided in the Service Manual. •...
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Page 2: Product Identification
MINOR REVISION: TYPE: N: Natural Gas NOMINAL CAPACITY A: Initial Release FURNACE TYPE: ® X: Low NOx 040: 45,000 BTUH A: Amana H: Twin Comfort 060: 70,000 BTUH Brand Multi-Speed 080: 90,000 BTUH 100: 115,000 BTUH CABINET WIDTH: 120: 140,000 BTUH A: 14"... - Page 3 PRODUCT IDENTIFICATION The model and manufacturing number are used for positive identification of component parts used in manufacturing. Please use these numbers when requesting service or parts information. AMH80403A*A* AMH80403A*B* AMH80603A*A* AMH80603A*B* AMH80604B*A* AMH80604B*B* AMH80803B*A* AMH80803B*B* AMH80804B*A* AMH80804B*B* AMH80805C*A* AMH80805C*B* AMH81005C*A* AMH81005C*B* AMH81205D*A*...
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Page 4: Product Design
PRODUCT DESIGN General Operation WARNING The AMH8 furnaces are equipped with an electronic ignition device used to light the burners and an induced draft blower to exhaust combustion products. O PREVENT POSSIBLE PERSONAL INJURY OR DEATH DUE TO ASPHYXIATION, THIS FURNACE MUST BE ATEGORY VENTED. - Page 5 PRODUCT DESIGN Accessibility Clearances (Minimum) High Altitude Derate Unobstructed front clearance of 24" for servicing is rec- IMPORTANT NOTE: The furnace as shipped requires no ommended. change to run between 0 - 4500 feet. Do not attempt to increase the firing rate by changing orifices or increasing the manifold pressure below 4500 feet.
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Page 6: Component Identification
COMPONENT IDENTIFICATION Tubular Heat Exchanger Pressure Switch Flue Pipe Connection Induced Draft Blower Gas Line Entrance Gas Valve Rollout Limit Junction Box Wiring Harness Grommet Gas Manifold Gas Line Entrance (Alternate) Inshot Burner Transformer Circulator Blower Blower Door Interlock Switch Integrated Control Module Note: Primary Limit Not Shown Upflow/Horizontal... -
Page 7: Product Dimensions
PRODUCT DIMENSIONS AMH8 Alt. Gas Inlet Alt. Gas Inlet Alt. High Voltage High Voltage Inlet Low Voltage Alt. LowVoltage MODELS AMH80403A*** 12-1/2 AMH80603A*** AMH80604B*** AMH80803B*** 17-1/2 AMH80804B*** AMH80805C*** 19-1/2 AMH81005C*** AMH81205D*** 24-1/2 All dimensions are in inches. -
Page 8: Primary Limit
PRODUCT DESIGN AMH8***A* PRESSURE SWITCH TRIP POINTS AN D USAGE CH ART TRIP POINT ID B LOWER ID BLOWER PRESSURE MODEL PR ESSUR E SWITC H SWITCH PART # -0.70 B1370158 AMH80403A*A* -0.70 B1370158 AMH80603A*A* AMH80604B *A* -0.75 B1370179 -0.75 B1370179 AMH80803B *A* AMH80804B *A*... - Page 9 PRODUCT DESIGN AMH8***B* PRESSURE SWITCH TRIP POINTS AN D USAGE CH ART TRIP POINT ID B LOWER ID BLOWER PRESSURE MODEL PR ESSUR E SWITC H SWITCH PART # -0.80 0130F00042 AMH80403A*B* AMH80603A*B* -0.80 0130F00042 AMH80604B *B* -0.90 0130F00041 -0.80 0130F00042 AMH80803B *B* AMH80804B *B*...
- Page 10 AMH8 furnaces, in either upflow or horizontal applica- tions. These coils are available in both cased and uncased models (with the option of a field installed TXV expansion device). These 80% furnaces match up with the existing Amana ®...
- Page 11 PRODUCT DESIGN Thermostats: It is recommended that a single-stage heat, non-power robbing thermostat be used. Refer to the product marketing literature for a complete list of thermostats offered. Filters: Filters are required with this furnace and must be provided by the installer. The filters used must comply with UL900 or CAN/ULCS111 standards.
- Page 12 PRODUCT DESIGN TwinComfort™ Configuration & Operation TwinComfort™ This furnace is capable of the following heating modes: • Single Stage (Factory Setting) • Modified Two-Stage > Fixed 5-Min. Low Stage > Auto Time (1-12 Min.) Low Stage To change from the factor single-stage operation, adjust the dipswitches on the ignition control as follows: HEAT OFF SECOND...
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Page 13: Furnace Specifications
FURNACE SPECIFICATIONS AMH8***A* MODEL Input, Natural Gas (BTUH) 45, 000 70,000 70,000 90,000 90,000 90,000 115,000 140,000 36, 000 56,000 56,000 72,000 72,000 72,000 92,000 112,000 Output, Natural Gas (BTUH) Output, LP (BTUH) 32, 000 48,000 48,000 64,000 64,000 64,000 80,000 96,000 A.F.U.E. - Page 14 FURNACE SPECIFICATIONS AMH8***B* MODEL Input, Natural Gas (BTUH) 40, 000 60,000 60,000 80,000 80,000 80,000 100,000 120,000 32, 000 48,000 48,000 64,000 64,000 64,000 80,000 96,000 Output, Natural Gas (BTUH) Output, LP (BTUH) 32, 000 48,000 48,000 64,000 64,000 64,000 80,000 96,000 A.F.U.E.
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Page 15: Blower Performance Specifications
BLOWER PERFORMANCE SPECIFICATIONS AMH8***A* (CFM & Temperature Rise vs. External Static Pressure) EXTERNAL STATIC PRESSURE (Inches Water Column) Ton s AC Model Motor at 0.5" Speed CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM HIGH 1521 1466 1414... - Page 16 BLOWER PERFORMANCE SPECIFICATIONS AMH8***B* (CFM & Temperature Rise vs. External Static Pressure) EXTERNAL STATIC PRESSURE (Inches Water Column) Ton s AC Model Motor at 0.5" Speed CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM HIGH 1521 ---- 1466...
- Page 17 BLOWER PERFORMANCE SPECIFICATIONS RISE TEMPERATURE...
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Page 18: Wiring Diagrams
WIRING DIAGRAMS AMH8_ WARNING:DISCONNECT POWER BEFORE HUMIDIFIER INTEGRATED CONTROL MODULE SERVICING.WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. XFMR (6) GND (8) 24 VAC HUMIDIFIER MVC (9) VALVE MVH (12) MVL (2) ID BLOWER PRESSURE AUXILIARY SWITCH LIMIT CONTROLS PS (10) AUTO 5 MIN... -
Page 19: Wiring Diagram
WIRING DIAGRAM HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. CIRCULATOR BLOWER ELECTRONIC INDUCER AIR CLEANER HEAT PARK HEAT COOL ROLLOUT SWITCH...