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Verify unit model, serial number, and voltage against shipping papers and rating plate for accurate identification.
Guidelines for slab and ground mounting, ensuring proper support and level installation of the unit.
Standards for duct system design and installation, including flange attachment for PH1Z060 units.
Requirements for separate electrical service, disconnect switch, and wire sizing for high-voltage power supply.
Instructions for running high-voltage leads through conduit and connecting them inside the unit's control box.
Information on installing accessory electric heat, including wiring diagrams and specific instructions.
Instructions for rewiring the transformer primary for 208-V operation, ensuring safe power supply.
Critical warnings for safe pre-start-up operations, including power lockout and handling refrigerant systems.
Locating and repairing refrigerant leaks, reclaiming refrigerant, and charging the unit according to specifications.
Procedures for checking cooling control operation, including thermostat settings and reversing valve function.
Verifying proper compressor rotation direction to ensure correct operation and prevent damage.
Using cooling charging charts to adjust refrigerant charge based on superheat for optimal cooling performance.
Guidelines for recovering and weighing in refrigerant for heating mode operations based on unit data.
Color-coding of motor leads for changing indoor fan speed on 208/230-V units.
Color-coding of motor leads for changing indoor fan speed on 460-V units.
Description of the high-pressure relief valve and its function in protecting the unit from excessive pressure.
Function and operation of the low-pressure loss of charge switch for system protection.
Operation during cooling mode, including thermostat settings, compressor, and fan engagement.
Operation during heat pump heating mode, including thermostat control and component engagement.
Explanation of the defrost cycle, including the timer, thermostat, and use of electric heat.
How accessory electric heaters function during 'Emergency Heat' or staged heating operations.
Monthly air filter inspection and seasonal checks of coils, drain pans, and electrical connections.
Instructions for inspecting, cleaning, or replacing air filters to ensure proper unit operation and airflow.
Annual cleaning of the indoor blower wheel and motor for optimal performance and continuing efficiency.
Procedure for adjusting the outdoor fan height and tightening setscrews for proper airflow and operation.
Annual inspection of electrical controls and wiring for tightness and signs of burning or damage.
Annual inspection for oil accumulation indicating leaks, and methods for leak testing refrigerant tubing.
Referencing refrigerant charge amounts and checking system performance against specifications.
Purpose and location of the liquid line strainer that protects the metering device from debris.
General| Refrigerant | R-410A |
|---|---|
| Phase | 1 |
| Voltage | 208/230 V |
| Cooling Capacity | 36000 BTU/h |
| Heating Capacity | 36000 BTU/h |
