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General| Brand | Carrier |
|---|---|
| Model | 48HDT |
| Category | Air Conditioner |
| Language | English |
Essential safety warnings and precautions for handling and servicing the unit.
Guidance on providing unit support, including roof curb and slab mount options.
Instructions for fabricating ductwork and rigging/placing the unit.
Steps for installing flue hood, condensate drain, and gas piping.
Procedures for making field power and control wiring connections.
Adjusting outdoor air intake and installing the hood assembly.
Ensuring correct installation, filter placement, and wiring checks before operation.
Steps to initiate and verify cooling operation.
Steps to initiate and verify heating operation.
Explains economizer functions in cooling and heating modes.
Detailed steps for cleaning evaporator and condenser coils.
Guidance on condensate drains, filters, and outdoor air screens.
Procedures for adjusting fan speed and outdoor air damper.
How to check and adjust the unit's refrigerant charge using charts.
Inspecting and adjusting pilot and main burners, and flue passageways.
Troubleshooting pilot lights, limit switches, and gas valve sequences.
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