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General| Model Number | GMES800804BUAA |
|---|---|
| Series | GMES |
| Category | Furnace |
| Type | Gas |
| Fuel Type | Natural Gas |
| Heating Capacity | 80, 000 BTU |
| Input BTU | 80, 000 |
| Output BTU | 64, 000 |
| Efficiency Rating | 80% |
| AFUE | 80% |
| Motor Type | PSC |
| Blower Motor Type | PSC |
| Installation Type | Upflow/Horizontal |
| Stages | Single Stage |
| Ignition Type | Electronic Ignition |
| Heat Exchanger | Aluminized Steel |
| Configuration | Upflow |
| Warranty | 10 Years |
Guidance on understanding and recognizing safety symbols, words, and labels used in the manual for safe operation.
Information on the dangers of carbon monoxide poisoning and necessary precautions to prevent it.
Essential safety warnings and cautions to be followed during installation, adjustment, alteration, servicing, or operation.
Guidelines for safe and proper electrical connections, emphasizing polarization and grounding.
Step-by-step instructions for clocking a gas meter to determine the furnace's cubic feet per hour (CFH) input.
Procedure for checking the 120-volt supply and 115-volt blower motor voltage for proper operation.
Procedure for testing the 40 VA transformer and verifying 24-volt secondary voltage for the control circuit.
Method for measuring static pressure in return and supply ducts to ensure proper airflow and system performance.
Procedure to measure temperature rise by checking return and supply air temperatures to determine airflow and heating performance.
Details on testing the redundant operator type gas valve, including manual and automatic control functions.
Procedure for measuring inlet gas supply pressure using a manometer to ensure it's within specified ranges for burner operation.
Steps to measure and adjust manifold gas pressure, ensuring it meets specifications for burner performance and efficiency.
Instructions for checking the hot surface igniter's ohm reading and operating temperature for proper ignition.
Procedure to test the pressure transducer's voltage output during different operational states to ensure proper airflow regulation.
Notes on potential issues with integrated ignition control boards, including grounding, polarity, and flame sensing.
Procedure for checking the flame sensor's micro-amp reading during a heating cycle and cleaning it if necessary.
Table detailing furnace status LED codes, fault descriptions, possible causes, corrective actions, and cautions for troubleshooting.
Troubleshooting steps for a furnace that fails to operate, including checks for power, control module faults, and ignition issues.
Troubleshooting steps for a furnace that fails to operate, covering limit switch issues, gas valve shorts, and inducer motor problems.
Addresses abnormal high pitch noise during burner operation, suggesting checks for combustion air, gas pressure, and blower performance.
Wiring diagram for MES80/CES80 models featuring the PCBBF161 control board, illustrating electrical connections.
