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Service and Troubleshooting
34.5" Chassis ACVC96*BA/AMVC96*BA/GCVC96*BA/GMVC96*BA
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 service 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
WARNING
WARNING
Copyright © 2017-2020 Goodman Manufacturing Company, L.P.
Gas Furnaces
IMPORTANT INFORMATION ............................................ 2
PRODUCT IDENTIFICATION ........................................... 4
SYSTEM OPERATION ...................................................... 5
SCHEDULED MAINTENANCE ....................................... 38
SERVICING ..................................................................... 42
CHECKING VOLTAGE .............................................. 43
CHECKING WIRING .................................................. 43
CHECKING THERMOSTAT, WIRING ....................... 43
HEATING ANTICIPATOR ........................................... 43
CIRCUIT ...................................................................... 43
CHECKING DUCT STATIC ........................................ 46
CHECKING TEMPERATURE RISE .......................... 47
CHECKING PRIMARY LIMIT CONTROL ................. 47
CHECKING AUXILIARY LIMIT CONTROL ............... 48
CHECKING FLAME ROLLOUT CONTROL ............. 49
INDUCED DRAFT BLOWER MOTOR ...................... 49
CHECKING GAS VALVE (REDUNDANT) ................ 50
CHECKING MAIN BURNERS ................................... 50
CHECKING ORIFICES .............................................. 50
CHECKING GAS PRESSURE .................................. 51
CHECKING HOT SURFACE IGNITOR ..................... 53
CHECKING FOR FLASHBACK ................................. 53
CHECKING PRESSURE CONTROL ........................ 53
HIGH ALTITUDE APPLICATION ............................... 53
CHECKING FOR DELAYED IGNITION .................... 54
BOARDS ..................................................................... 54
MEMORY CHIPS ........................................................ 55
CHECKING FLAME SENSOR ................................... 55
TROUBLESHOOTING CHART ....................................... 56
WIRING DIAGRAMS ....................................................... 64
0140M00517-A
TABLE OF CONTENTS
RS6612014r3
October 2020
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Related Manuals for Goodman ACVC96 BA Series
Summary of Contents for Goodman ACVC96 BA Series
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Page 1: Table Of Contents
FOR CALIFORNIA CONSUMERS BOARDS ..............54 MEMORY CHIPS ............55 WARNING CHECKING FLAME SENSOR ........55 TROUBLESHOOTING CHART ........56 Cancer and Reproductive Harm - WIRING DIAGRAMS ............64 www.P65Warnings.ca.gov 0140M00517-A RS6612014r3 October 2020 Copyright © 2017-2020 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
Please use these numbers when requesting service or parts information. Furnace Nomenclature (14 Digits) Brand Minor Revision A- Amana A - Initial Release G - Goodman B - 1st Revision Configuration M - Upflow/Horizontal Major Revision C - Downflow/Horizontal A - Initial Release K - Dedicated Upflow B - Comfortbridge™... -
Page 5: System Operation
SYSTEM OPERATION Safety WARNING Please adhere to the following warnings and cautions when installing, adjusting, altering, servicing, or operating the O PREVENT PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO furnace. FIRE DO NOT INSTALL THIS FURNACE IN A MOBILE HOME TRAILER RECREATIONAL VEHICLE WARNING... - Page 6 SYSTEM OPERATION • Direct vent (dual pipe) central forced air furnace in which A copy of the National Fuel Gas Code (NFPA 54/ANSI Z223.1) all combustion air supplied directly to the furnace burners can be obtained from any of the following: through a special air intake system outlined in these American National Standards Institute instructions.
- Page 7 SYSTEM OPERATION • Centrally locate the furnace with respect to the proposed • If the furnace is used in connection with a cooling coil unit, install the furnace upstream or in parallel with the cooling • Locate the furnace so condensate flows downwards to the coil unit.
- Page 8 SYSTEM OPERATION CSA-2.3 latest edition Section 1.23.1. *CVC96 MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS The following steps shall be followed with each appliance (INCHES) connected to the venting system placed in operation, while POSITION* SIDES REAR FRONT BOTTOM FLUE any other appliances connected to the venting system are Counterflow 0"...
- Page 9 SYSTEM OPERATION cabinets. Horizontal Applications & Considerations • Hot or cold air from registers. 8" PROVIDE MINMUM CLEARANCE BETWEEN • Radiant heat from the sun. CENTER ROD AND FURNACE CABINET TO ALLOW FOR CIRCULATOR BLOWER REMOVAL • Light fixtures or other appliances. 3/8"...
- Page 10 SYSTEM OPERATION Leveling Leveling ensures proper condensate drainage from the heat exchanger. For proper flue pipe drainage, the furnace must Bottom be level lengthwise from end to end. The furnace should have Return a slight tilt from back to front with the access doors downhill Duct from the back panel approximately 1/2 to 3/4 inches.
- Page 11 SYSTEM OPERATION For furnaces being converted to LP gas, it is strongly It is the responsibility of the installer to follow the manufacturers’ recommended that a LPLP03 kit also be installed. The use recommendations and to verify that all vent/flue piping and of this kit will prevent the furnace from firing when the LP gas connectors are compatible with furnace flue products.
- Page 12 SYSTEM OPERATION As an alternative to PVC pipe, primer, solvent cement, and PREFERRED fittings, ABS materials which are in compliance with the following specifications may be used. Two-or-three-inch ABS Schedule 40 pipe must meet ASTM D1527 and, if used in Canada, must be CSA listed.
- Page 13 SYSTEM OPERATION Some models require the use of 3” pipe. Do not transition • The vent termination of a non-direct vent application must from a 2” to 3” pipe in a horizontal section of pipe as this may terminate at least 4 feet below, 4 feet horizontally from, create a water trap.
- Page 14 SYSTEM OPERATION Carefully follow the pipe manufacturers’ instructions for Combustion Air Pipe cutting, cleaning, and solvent cementing PVC and/or ABS. Direct Vent Installations The vent can be run through an existing unused chimney provided the space between the vent pipe and the chimney is WARNING insulated and closed with a weather-tight, corrosion-resistant DGES OF SHEET METAL HOLES MAY BE SHARP...
- Page 15 SYSTEM OPERATION Alternate Combustion Air Provision WARNING (Upflow / Horizontal models only) HE RUBBER ELBOW IS NOT DESIGNED TO SUPPORT A LOAD HEN THE When using the alternate venting location, either in RUBBER ELBOW IS MOUNTED EXTERNALLY TO THE FURNACE CABINET a horizontal left side down installation or a vertical EXTREME CARE MUST BE TAKEN TO ADEQUATELY SUPPORT FIELD installation using down –...
- Page 16 SYSTEM OPERATION Vent/Flue Pipe Lengths and Diameters be sealed tight with proper flashing such as is used with a plastic plumbing vent. NOTE: For installations at or above 7,000 feet altitude, use Horizontal vent/flue pipe terminations should be as shown in 3”...
- Page 17 SYSTEM OPERATION 90° VENT ELBOWS 3” - 24” 12" MIN. ABOVE HIGHEST ANTICIPATED SNOW LEVEL Alternate Horizontal Vent Termination (Dual Pipe) Figure 14 VENT 90° ELBOWS 3”-24” BETWEEN PIPES 12" MIN. ABOVE HIGHEST ANTICIPATED SNOW LEVEL Combustion Air Intake may also be snorkeled to obtain 12” min ground clearance. Alternate Vent Termination Above Anticipated Snow Level (Dual Pipe) Figure 15...
- Page 18 SYSTEM OPERATION DOWN VENTING UPFLOW MODEL FURNACES ONLY Use alternate vent & combination air locations 6’ Max. Vent Pipe Floor Combustion Air Pipe Field Supplied Drain Tee on Vent Pipe 1/4” per foot min. slope to furnace Condensate trapped to prevent flue gas from escaping and routed to field supplied condensate disposal All piping and fittings must be joined per material manufacturers specifications...
- Page 19 SYSTEM OPERATION Vent/Flue and Combustion Air Pipe Terminations 3”MIN 24”MAX 12” MIN SEPARATION 3” MIN 12” MIN TO GRADE OR HIGHEST ANTICIPATED SNOW LEVEL Termination of Multiple Direct Vent Furnaces Figure 18 Figure 19 The vent/flue and combustion air pipes may terminate vertically, as through a roof, or horizontally, as through an outside wall.
- Page 20 SYSTEM OPERATION Follow the bullets listed below when installing the drain system. Upflow Model Installed Vertically Refer to the following sections for specific details concerning The trap and factory installed hoses remain as shipped. The furnace drain trap installation and drain hose hook ups. furnace drain may exit either the right or left side of the furnace cabinet.
- Page 21 SYSTEM OPERATION Hose #1 Hose #2 Hose #2 Hose #11 Figure 24 45 degree 45 degree 1. Remove the clamps from both ends of the drain hoses. barb-pipe barb-pipe 2. Remove the two screws holding the drain trap to the adapter adapter blower deck.
- Page 22 SYSTEM OPERATION Upflow Model Installed Horizontally With Left Side Down - Alternate * Also see Front Cover Pressure Switch Tube Location on page 9. Insert flange. Cut 2 ½” long. R 000142 2 ½” Hose #6 Hose #11 Hose #5 Figure 25 1.
- Page 23 SYSTEM OPERATION drain elbow barb fitting with a silver clamp. 4. (Draining the Collector Box) Insert non-grommet end of hose #9 into the cabinet front drain hole and secure on collector box drain port with a silver clamp. 5. Mate the drain trap inlets to the hoses and secure with silver clamps.
- Page 24 SYSTEM OPERATION 6. Using the two sheet metal screws provided in the cabinet, 11. Insert the non-grommet end of hose #5 (factory installed) secure the trap to the furnace. from outside the cabinet in the back drain hole. 7. Refer to Field Supplied Drain section for instructions on 12.Insert 100÷...
- Page 25 SYSTEM OPERATION must be NEC Class 1, and must comply with all applicable codes. To ensure proper unit grounding, the ground wire should run The furnace must be electrically grounded in accordance with from the furnace ground screw located inside the furnace junction local codes or, in their absence, with the latest edition of The box all the way back to the electrical panel.
- Page 26 SYSTEM OPERATION 7) Confirm thermostat heat (W or W+G) and cool (Y There are four adjustable items associated with Dual Fuel or Y+G) function properly and the system is turning control. In the same way as the System Target Time, each on in the correct mode.
- Page 27 SYSTEM OPERATION 3 Ton Models 1400 CFM will remain the temporary primary heat source 4 Ton Models 1760 CFM (1650 CFM FOR 0803 MODELS) until the Under Target Threshold is reached again. The system will automatically make adjustments in an attempt 5 Ton Models 2200 CFM to satisfy the thermostat as close to this target runtime as possible.
- Page 28 SYSTEM OPERATION Heating CFM MODEL / TEMP RISE RANGE *CVC960403BNB* *CVC960603BNB* *CVC960804CNB* *CVC961005CNB* *CVC961205DNB* *MVC960403BNB* (MID RISE) 35-65 (50) 20-50 (35) 25-55 (40) 35-65 (50) 35-65 (50) 20-50 (35) RISE RISE RISE RISE RISE RISE RECOMMENDED CFM FOR HIGH HEAT / EXPECTED TEMPERATURE 1400 1760 1770...
- Page 29 SYSTEM OPERATION Low Voltage Wiring - General Information INDOOR BOARD TERMINAL The Furnace functions with any thermostat that can be CONNECTIONS configured to provide 24VAC on Y for cooling calls and 24VAC on W for Heating calls. Based on these simple inputs, internal algorithms will decide how to control two stages of furnace heat in addition to any single or multi stage outdoor heating / cooling operation (the algorithms will handle dual fuel multi-...
- Page 30 SYSTEM OPERATION OUTDOOR INDOOR INDOOR BOARD TERMINAL BOARD TERMINAL BOARD TERMINAL CONNECTIONS CONNECTIONS CONNECTIONS 24 VAC 24 VAC Thermostat Thermostat Remote Condensing Unit (Single-Stage Cooling) Optional Optional Optional Optional D ehum D ehum Optional if D ehum D ehum feature Optional if feature supported by...
- Page 31 SYSTEM OPERATION Dehumidification Control Options Key Mitigations: Full featured TS (dehum & overcool) Connect G and dehum wire correctly Dehumidistat Dehumidification Control Options Dry Environment Install any 24VAC Thermostat has a Dehum or thermostat on the Configurable terminal with market - Use Y, W, G Dehum option signals Install Dehumidistat in...
- Page 32 SYSTEM OPERATION Fossil Fuel Applications • Turn OFF power to the furnace before installing any accessories. This furnace can be used in conjunction with a heat pump in a fossil fuel application. A fossil fuel application refers to a combined •...
- Page 33 SYSTEM OPERATION fore system information can be displayed. The 3 digit code will be displayed on the three seven segment displays of the furnace control board. A sight glass is located close to the control board that can be used to see these digits.
- Page 34 SYSTEM OPERATION The furnace control board will detect any compatible Example of Menu Navigation & Option Change communicating outdoor unit connected to it. Items that This is an example for how to use the push buttons to make appear in the main menu will vary accordingly. Exam- a change to the constant fan speed.
- Page 35 SYSTEM OPERATION 7) Press and Release the Right button again. The 7 Constant Fan Speed Menu segment displays will continue flashing but will now This menu allows for adjustment of the multiplier for con- display 45. stant fan operation in 10% increments. Each furnace has a “Maximum CFM”...
- Page 36 SYSTEM OPERATION • Furnace is now operating on the specified stage The following stipulations apply when connecting gas piping. determined by the internal control algorithm. Diagnostics • Furnace runs, integrated control module monitors Accessing the furnace’s diagnostic menu provides access to safety circuits continuously.
- Page 37 SYSTEM OPERATION Primary Limit 1. Disconnect all power to the furnace. Do not touch the integrated control module or any wire connected to the The primary limit control is located on the partition panel and control prior to discharging your body’s electrostatic charge monitors heat exchanger compartment temperatures.
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Page 38: Scheduled Maintenance
SCHEDULED MAINTENANCE WARNING HIGH VOLTAGE ISCONNECT POWER BEFORE SERVICING OR INSTALLING THIS UNIT. ULTIPLE POWER SOURCES MAY BE PRESENT. AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. CAUTION Maintenance Improper filter maintenance is the most common cause of F YOU MUST HANDLE THE ITNITOR, HANDLE WITH CARE. - Page 39 SCHEDULED MAINTENANCE CONDENSATE DRAINAGE SYSTEM (QUALIFIED SERVICER ONLY) The drain tubes, trap, and field supplied drain line must be checked annually and cleaned as often as necessary to ensure proper condensate drainage. FLAME SENSOR (QUALIFIED SERVICER ONLY) Under some conditions, the fuel or air supply can create a nearly invisible coating on the flame sensor.
- Page 40 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 41 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 42: Servicing
SERVICING Some of the electronic boards being used today, with flame rectification, will not function properly and/or at all without INCOMING POWER polarization of incoming power. Some also require phasing 120.00 0.00 between the primary and secondary sides of step-down transformers. -
Page 43: Checking Voltage
SERVICING CHECKING VOLTAGE CHECKING THERMOSTAT, WIRING WARNING WARNING HIGH VOLTAGE ISCONNECT POWER BEFORE SERVICING. ISCONNECT POWER BEFORE SERVICING OR 1. Remove the blower compartment door to gain access to CHANGING ANY ELECTRICAL WIRING. ULTIPLE POWER the thermostat low voltage wires located at the furnace SOURCES MAY BE PRESENT. - Page 44 SERVICING reduces line current which extends the life of the 3/4 and 1 WARNING horsepower motors. HIGH VOLTAGE ISCONNECT POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING. ULTIPLE POWER SOURCES MAY BE PRESENT. AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. IMPORTANT: If the inductor fails, there will be no motor 1.
- Page 45 SERVICING 9. Depress the orange power button to turn off motor. WARNING 10. Disconnect power. Disconnect diagnostic tool. 11. Reconnect the 4-wire harness from control board to motor. HIGH VOLTAGE ISCONNECT POWER BEFORE SERVICING OR Electrical Checks - High Voltage Power Circuits CHANGING ANY ELECTRICAL WIRING.
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Page 46: Checking Duct Static
SERVICING 7. If no voltage is present, check supply voltage to the furnace. 6. Inspect the large capacitors inside the control/end bell (see See section S-1. figure below). Replace the control/end bell if any of the capacitors are bulging or swollen. 8. -
Page 47: Checking Temperature Rise
SERVICING limit tripping, etc. Whereas not enough static may result in 2. Place thermometers in the return and supply ducts as motor overloading. close to the furnace as possible. Thermometers must not be influenced by radiant heat by being able to “see” the To determine proper air movement, proceed as follows: heat exchanger. -
Page 48: Checking Auxiliary Limit Control
SERVICING PRIMARY LIMIT CONTROL COLOR Primary Limit Control Location IDENTIFYING (90% Upflow Furnace Shown, Counterflow Similar) The following drawing illustrates the style of limit switches Testing Primary Limit Control used on the 90% furnaces. (90% Furnaces) 4. After completing check and/or replacement of primary ENCLOSED DISK limit control, reinstall burner compartment door. -
Page 49: Checking Flame Rollout Control
SERVICING FLAME Manual or Automatic Reset Auxiliary Limits Located in ROLLOUT Blower Side SWITCHES WARNING HIGH VOLTAGE ISCONNECT POWER BEFORE SERVICING OR INSTALLING THIS UNIT. ULTIPLE POWER SOURCES MAY BE PRESENT. AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 1. -
Page 50: Checking Gas Valve (Redundant)
SERVICING 3. Using a ohmmeter, test for continuity between each of to burner design, orifice sizing, gas pressure, primary and the motor leads. secondary air, vent and proper seating of burners. 4. Touch one probe of the ohmmeter to the motor frame Burners (ground) and the other probe in turn to each lead. -
Page 51: Checking Gas Pressure
SERVICING 1. Check orifice visually for distortion and/or burrs. 2. Check orifice size by the number stamped on the orifice. STREAM B The length of Dimension “A” determines the angle of Gas Stream “B”. . DENT OR BURR STREAM B Measuring Inlet Gas Pressure (Alternate Method) A dent or burr will cause a severe deflection of the gas stream. - Page 52 SERVICING Gas Manifold Pressure Measurement and Adjustment 3. Provide power to the furnace. 4. Provide a thermostat W call and allow furnace to begin Natural Gas Adjustments its ignition sequence. WARNING 5. Remove thermostat W call and allow furnace to enter idol state (7 segment display IdL).
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Page 53: Checking Hot Surface Ignitor
120V Silicon Nitride Ignitor - Amana® Brand and WARNING Goodman® Brand A/GMVC96 and A/GCVC96 furnaces use a 120V silicon nitride ignitor for ignition. The normal operating HIGH VOLTAGE temperature is approximately 2156°F - 2678°F. -
Page 54: Checking For Delayed Ignition
Complete to the air circulation blower following the heat on delay unit must be replaced. period. a. BEFORE replacing the ECM motor assembly or the end bell, first check the motor with a Goodman #UTT-... -
Page 55: Memory Chips
SERVICING 01 UltraCheck-EZ diagnostic tool . If the motor runs 1. Disconnect the flame sensor wire from the sensor. with the diagnostic tool, the motor is good. To check 2. Connect a micro-amp meter in series with this wire and the end bell, see the previous variable speed testing the sensor terminal. -
Page 56: Troubleshooting Chart
TROUBLESHOOTING Alarm Code Definition Table Alarm Code Definition Table Status Seven Segment Display Status Seven Segment Display Internal Control Fault Data Not Yet on Network Lockout Due to Excessive Retries or Recycles ... - Page 57 TROUBLESHOOTING ClimateTalk Comm 2-Stage AC/HP Name 7-Segment Display Cloud / Phone App Idle Idle Constant Fan Constant Fan Compressor Cooling, Low Stage Compressor Cooling, Low Stage Compressor Cooling, High Stage Compressor Cooling, High Stage Compressor Heat, Low Stage Compressor Heat, Low Stage ...
- Page 58 TROUBLESHOOTING Furnace Name/Cloud/Phone App User Modifiable Options 7 Segment Display Comments Last 6 Faults Views the control last 6 history faults. Learn Menu Yes or No. Resets communication network. Code Release No Views the control firmware revision number and Shared Data number. ...
- Page 59 TROUBLESHOOTING ClimateTalk Comm Outdoor 2-Stage AC/HP Name/Cloud/Phone App 7 Segment Display User Modifiable Options Comments Cool Trim Factor -10%, -8%,-6%, -4%, -2%, 0%, 2%, 4%, 6%, 8%,10% Trims the cooling airflow by the selected amount. Cool Airflow Profile A, B, C, D Select cooling airflow profiles.
- Page 60 TROUBLESHOOTING Diagnostic / Sym ptom s of Abnorm al Status LED Fault Description Possible Causes Corrective Actions Notes & Cautions Operation Codes • Furnace fails to operate None • No 115 pow er to • Manual disconnect sw itch • Check 115 pow er to furnace and •...
- Page 61 TROUBLESHOOTING Diagnostic / Sym ptom s of Abnorm al Status LED Fault Description Possible Causes Corrective Actions Notes & Cautions Operation Codes • Induced draft blow er and • Flame sensed w ith • Short to ground in fame • Correct short at fame sensor or •...
- Page 62 TROUBLESHOOTING Diagnostic / Sym ptom s of Abnorm al Status LED Fault Description Possible Causes Corrective Actions Notes & Cautions Operation Codes • Furnace fails to operate. • Gas valve is • Misw ired gas valve circuit • Check w iring in gas valve circuit •...
- Page 63 TROUBLESHOOTING Diagnostic / Sym ptom s of Abnorm al Status LED Fault Description Possible Causes Corrective Actions Notes & Cautions Operation Codes • Furnace fails to operate. • Integrated control • Loose w iring connection • Tighten or correct w iring •...
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Page 64: Wiring Diagrams
WIRING DIAGRAMS ID BLOWER TWO-STAGE PRESSURE SWITCH ASSEMBLY SURFACE HIGH FIRE IGNITER PRESSURE LOW FIRE SWITCH PRESSURE SWITCH FLAME SENSOR TWO STAGE GAS VALVE FRONT COVER (WHITE-RODGERS) PRESSURE SWITCH MANUAL RESET ROLLOUT LIMIT CONTROLS (SINGLE CONTROL ON 40 kBTU) AUTO RESET PRIMARY LIMIT CONTROL INDUCED DRAFT... - Page 65 GOODMAN BRAND ® AMANA BRAND ® is a registered trademark of Maytag Corporation or its related companies and is used under license. ® All rights reserved. Copyright © 2017-2020 Goodman Manufacturing Company, L.P.