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General| Model | MPGA 075 B4 |
|---|---|
| Efficiency | 80% AFUE |
| Stages | Single Stage |
| Weight | 120 lbs |
| Input BTU | 75, 000 BTU/hr |
| Output BTU | 60, 000 BTU/h |
| Gas Valve Type | Single |
| Vent Size | 4 inches |
Lists substances to avoid that can contaminate combustion air.
Guidelines for providing air for ventilation and combustion.
Explanation of the safety interlock switch for the blower compartment door.
Description of the manual reset rollout switch and its function.
Details on Masonry Chimney, Type "B" Vent, and Horizontal Venting methods.
Requirements for electrical grounding, wiring, and thermostat connections.
Initial steps when thermostat calls for heat and the pre-purge sequence.
The ignition trial period and operation during steady heat mode.
Sequence of steps to follow for initial furnace startup and operation.
Annual checks of heat exchanger, burners, and venting system.
Table of LED flash codes indicating furnace error conditions and checks.
Critical safety precautions regarding fire, explosion, and gas leaks.
Emergency procedures to follow if a gas odor is detected.
Importance of adequate combustion and ventilation air supply.
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