Table of Contents
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Service and Troubleshooting
Pride and workmanship go into every product to provide
our customers with quality products. It is possible, however,
that during its lifetime a product may require service.
Products should be serviced only by a qualified service
technician who is familiar with the safety procedures
required in the repair and who is equipped with the proper
tools, parts, testing instruments and the appropriate service
manual. REVIEW ALL SERVICE INFORMATION IN THE
APPROPRIATE SERVICE MANUAL BEFORE
BEGINNING REPAIRS.
Only personnel that have been trained to install, adjust,
service or repair(hereinafter, "service") the equipment
specified in this manual should service the equipment. The
manufacturer will not be responsible for any injury or
property damage arising from improper service or service
procedures. If you service this unit, you assume responsi-
bility for any injury or property damage which may re-
sult. In addition, in jurisdictions that require one or more
licenses to service the equipment specified in this manual,
only licensed personnel should servise the equipment.
Improper installation, adjustment, servicing or repair of
the equipment specified in this manual, or attempting to
install, adjust, service or repair the equipment specified in
this manual without proper training may result in product
damage, property damage, personal injury or death.
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
80% Single Stage Ultra-Low NOx Gas Furnaces
GMES80*U* & AMES80*U* & Accessories
WARNING
WARNING
Copyright © 2019-2020 Goodman Manufacturing Company, L.P.
IMPORTANT INFORMATION ............................................. 2
PRODUCT IDENTIFICATION ............................................ 4
SYSTEM OPERATION ....................................................... 6
SCHEDULED MAINTENANCE ........................................ 12
SERVICING ...................................................................... 15
CHECKING VOLTAGE ...............................................16
CHECKING WIRING ...................................................16
CHECKNG THERMOSTAT, WIRING .........................16
CIRCUIT .......................................................................16
CHECKING DUCT STATIC .........................................17
CHECKING TEMPERATURE RISE ...........................18
CHECKING PRIMARY LIMIT CONTROL ..................18
CHECKING AUXILIARY LIMIT CONTROL ................19
INDUCED DRAFT BLOWER MOTOR .......................19
CECKING GAS VALVE (REDUNDANT) ....................19
CHECKING GAS PRESSURE ...................................20
CHECKING HOT SURFACE IGNITER ......................22
CHECKING PRESSURE TRANSDUCER .................22
CHECKING FOR DELAYED IGNITION .....................22
BOARDS ......................................................................22
CHECKING FLAME SENSOR ....................................23
TROUBLESHOOTING CHART ........................................ 24
WIRING DIAGRAMS ........................................................ 27
0140M00517-A
TABLE OF CONTENTS
RS6621006r2
June 2020
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Table of Contents
Related Manuals for Goodman GMES8 U Series
Summary of Contents for Goodman GMES8 U Series
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Page 1: Table Of Contents
CHECKING FLAME SENSOR ........23 TROUBLESHOOTING CHART ........24 PROP 65 WARNING WIRING DIAGRAMS ............27 FOR CALIFORNIA CONSUMERS WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov 0140M00517-A RS6621006r2 June 2020 Copyright © 2019-2020 Goodman Manufacturing Company, L.P. -
Page 2: Important Information
IMPORTANT INFORMATION IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service. Products should be serviced only by a qualified service technician who is familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing in-... - Page 3 IMPORTANT INFORMATION CO can cause serious illness including permanent brain damage or death. B10259-216 Advertencia especial para la instalación de calentadores ó manejadoras de aire en áreas cerradas como estacionamientos ó cuartos de servicio. Las emisiones de monóxido de carbono pueden circular a través del aparato cuando se opera en cualquier modo.
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Page 4: Product Identification
NOMENCLATURE 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. Goodman Furnace Nomenclature (13 Digits) Brand Minor Revision G - Goodman®... - Page 5 NOMENCLATURE 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. Amana Furnace Nomenclature (14 Digits) Brand Minor Revision A- Amana® A - Ini�al Release B - 1st Revision Configura�on M - Upflow/Horizontal...
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Page 6: System Operation
SYSTEM OPERATION SAFETY IMPORTANT NOTE: The 80% furnace cannot be in- Please adhere to the following warnings and cautions when stalled as a direct vent (i.e.., sealed combustion) furnace. The burner box is present only to help reduce installing, adjusting, altering, servicing, or operating the furnace. - Page 7 SYSTEM OPERATION Natural Gas Capacity of Pipe In Cubic Feet of Gas Per Hour (CFH) CAUTION Length of Nominal Black Pipe Size Pipe in Feet 1/2" 3/4" 1" 1 1/4" 1 1/2" 1050 1600 O PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE, THE INLET 1100 GAS SUPPLY PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE WITH ALL OTHER HOUSEHOLD GAS FIRED APPLIANCES OPERATING.
- Page 8 SYSTEM OPERATION 80% ULN ID Plugs 80% ULN ID Plugs WARNING Goodman Not rated for high Rated for altitude Model altitude up to 7500 ft F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL...
- Page 9 SYSTEM OPERATION overcurrent protection specified on the unit rating plate. An electrical disconnect must be provided at the furnace location. NOTE: Line polarity must be observed when making field connections. Connect hot, neutral, and ground wires as shown in the wiring diagram located on the unit’s blower door.
- Page 10 SYSTEM OPERATION CONTINUOUS FAN OPERATION connection, remove the bottom of the cabinet before setting the furnace on the raised platform or return air duct. The single stage furnace control will energize the heating circulator fan speed when the fan switch on the thermostat A closed return duct system must be used, with the return is turned to the “ON”...
- Page 11 Please see the table below for reference. • Furnace operates; integrated control module monitors Part Number Goodman / Amana safety circuits continuously. 0130F00773 *MES800403AUAA • R and W thermostat contacts open, completing the call...
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Page 12: Scheduled Maintenance
SCHEDULED MAINTENANCE inadequate heating or cooling performance. Filters should WARNING be cleaned (permanent) or replaced (disposable) every two months or as required. HIGH VOLTAGE Horizontal Unit Filter Removal ISCONNECT POWER BEFORE SERVICING OR INSTALLING THIS UNIT. ULTIPLE POWER SOURCES MAY Filters in horizontal installations are located in the central BE PRESENT. - Page 13 SCHEDULED MAINTENANCE CLOCKING A GAS METER 1. Turn off all gas appliances in the home. 2. Turn on the furnace. Ensure the furnace is operating at a 100% firing rate on 2 stage and modulating furnace product. 3. Once heating cycle is at a steady state (typically 15 minutes of operation), use a stopwatch to time how long it takes the smallest unit of measure dial on the gas meter to make a full revolution.
- Page 14 SCHEDULED MAINTENANCE 5. Use this formula to verify the Cubic Feet per Hour (CFH) input determined in step 4 is correct: (3600 x Gas Meter Dial Size) / Time (seconds) = Cubic Feet per Hour (CFH) 3600 is used as there are 60 seconds in a minute and 60 minutes in an hour.
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Page 15: Servicing
SERVICING Tubular Heat Exchanger Pressure Sensor Assembly Flue Pipe Connection Gas Valve Inducer Gas Manifold Assembly Grommet Burner Assembly Integrated Control Module Blower Door Interlock Switch Circulator Blower Transformer Tubular Heat Exchanger 11 Transformer... -
Page 16: Checking Voltage
SERVICING CHECKING VOLTAGE THERMOSTAT AND WIRING WARNING WARNING HIGH VOLTAGE ISCONNECT POWER BEFORE SERVICING. ISCONNECT POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING. ULTIPLE POWER 1. Remove the blower compartment door to gain access to SOURCES MAY BE PRESENT. AILURE TO DO SO MAY CAUSE the thermostat low voltage wires located at the furnace PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. -
Page 17: Checking Air Circulator Blower Motor
SERVICING 2. Remove the thermostat low voltage wires at the furnace WARNING integrated control module terminals. With Power On (and Door Interlock Switch closed): ISCONNECT POWER BEFORE SERVICING. WARNING CHECKING DUCT STATIC The maximum and minimum allowable external static INE VOLTAGE NOW PRESENT pressures are found in the specification section. -
Page 18: Checking Temperature Rise
SERVICING CHECKING TEMPERATURE RISE The more air (CFM) being delivered through a given furnace, the less the rise will be; so the less air (CFM) being delivered, the greater the rise. The temperature rise should be adjusted in accordance to a given furnace specifications and its Style 1 external static pressure. -
Page 19: Checking Auxiliary Limit Control
SERVICING CHECKING AUXILIARY LIMIT CONTROL WARNING O AVOID POSSIBLE FIRE, ONLY RESET THE AUXILIARY LIMIT CONTROL ONCE. F IT SHOULD OPEN A SECOND TIME, A QUALIFIED SERVICER MUST DETERMINE WHY THE AUXILIARY LIMIT OPENED BEFORE RESETTING AGAIN. INDUCED DRAFT BLOWER MOTOR BLOWER HOUSING WARNING HIGH VOLTAGE... -
Page 20: Checking Gas Pressure
SERVICING figures. Refer to Measuring Gas Pressure: Single Stage Valves figure for single stage valve inlet pressure tap WARNING connections. ALL G ISCONNECT AS AND LECTRICAL OWER UPPLY. NOTE: At either location, a hose fitting must be installed prior to making the hose connection. Orifices should be treated with care in order to prevent NOTE: Use apapter kit #0151K00000S to measure gas damage. - Page 21 SERVICING 8. Turn on electrical power and verify proper unit operation. c. Turn ON the gas supply. d. Turn on power and close thermostat “R” and “W” Gas Manifold Pressure Measurement and contacts to provide a call for low stage heat. Adjustment e.
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Page 22: Checking Hot Surface Igniter
SERVICING CHECKING HOT SURFACE IGNITER 120V Silicon Nitride Igniter - ULN furnaces use a 120V FIELD TEST MODE silicone nitride igniter, part #0130F00717. The normal Function: When the SW1 button is pressed and held until operating temperature is approximately 2156°F - 2678°F. At the LED is blinking in AMBER (more than 10 seconds, less room temperature the igniter ohm reading should be from than 15 seconds), the control will execute a field test mode... -
Page 23: Checking Flame Sensor
SERVICING 1. Check for 120 volts from Line 1 (Hot) to Line 2 (Neutral) at the ignition control. No voltage, check the door switch connections and wire harness for continuity. 2. Check for 24 volts from W to C terminal on the ignition control. -
Page 24: Troubleshooting Chart
TROUBLESHOOTING... - Page 25 TROUBLESHOOTING...
- Page 26 TROUBLESHOOTING Fault Code Recall Function: When the SW1 button is pressed momentarily, the control displays the last five (5) fault codes recorded in non- volatile memory upon demand. Operation: Any time the control is powered, the fault code history can be retieved for display by depressing and releasing the SW1 button once (less than 5 seconds);...
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Page 27: Wiring Diagrams
WIRING DIAGRAMS *MES80/*CES80 (with PCBBF161 Control Board) AUTO RESET BURNER TEMPERATURE CONTROL INTEGRATED HUMIDIFIER CONTROL MODULE TR (11) MVC (8) VALVE MV(12) PRESSURE TRANSDUCER PT (3) PT (2) PT (1) MICRO HLI (7) HLO (4) AUTO RESET AUXILIARY LIMIT CONTROLS RO2 (6) RO1 (5) TH (10) - Page 28 GOODMAN BRAND ® AMANA BRAND ® is a registered trademark of Maytag Corporation or its related companies and is used under license. ® All rights reserved. Copyright © 2019-2020 Goodman Manufacturing Company, L.P.