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General| Brand | Carrier |
|---|---|
| Model | 38AE |
| Category | Air Conditioner |
| Language | English |
Covers uncrating, inspection, and system requirements like space and mounting.
Details on how to rig and mount the unit, including compressor mounting and securing bolts.
Guidance on sizing refrigerant lines, installing solenoid valves, and making proper connections.
Covers power wiring, control circuit wiring, safety relief, and grounding requirements.
Covers evacuation, leak testing, crankcase heater activation, and critical pre-start inspections.
Details preliminary refrigerant charge, starting the unit, oil checks, and safety control verification.
Explains the sequence for cooling mode, including timer, compressor, and fan operation.
Describes how the heating mode sequence operates with thermostat, controls, and fan activation.
Explains fan cycling for head pressure control based on liquid pressure changes.
Describes the delay timer function for compressor restart after shutdown events.
Details crankcase heater function and optional winter start control for unit protection.
Covers outdoor fan mounting, motor lubrication, and fan maintenance procedures.
Step-by-step guide for cleaning outdoor coils, including accessing, flushing, and reassembly.
Lists common problems and solutions when the compressor fails to start or run.
Addresses issues causing the compressor to cycle off due to high pressure conditions.
Details problems related to the compressor cycling off due to low pressure conditions.
Covers issues like low cooling, continuous operation, noisy systems, and oil loss.
Addresses frosted lines, unloader/load problems, and refrigerant shortages or restrictions.
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