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Follow all safety codes, wear protective gear, and be alert to safety signal words like DANGER, WARNING, CAUTION.
Turn off main power and install lockout tag before installing or servicing the system to prevent injury or death.
Design and install duct systems per NFPA, NEC, and local codes; use provided flanges for connections.
Follow NEC/CSA codes, use copper conductors, and ensure voltage is within rating plate limits.
Requires a separate electrical service with a waterproof disconnect switch, connect leads to unit rating plate specs.
Run high-voltage leads through conduit to the control box side, ensuring watertight termination.
Connect the ground lead to the chassis using the unit ground lug in the control box.
Form a drip-loop for thermostat leads and connect them to the unit control box as shown in wiring diagrams.
Inspect for shipping damage, wiring, connections, coil fins, and verify fan blade position, filter, and drain pan.
Locate and repair leaks, then evacuate and charge the unit with refrigerant according to specifications.
Charge unit with R-22 refrigerant using volumetric or scale methods; use charging charts for superheat.
Annually inspect and check electrical controls and wiring for tightness and signs of damage.
Inspect refrigerant tubing connections for oil accumulation; leak-test and check refrigerant charge annually.
Provides a chart to diagnose and remedy common unit symptoms and operational issues.
Schematic illustrating electrical connections for 208/230-1-60 single-phase units.
Schematic illustrating electrical connections for 208/230-3-60 three-phase units.
Follow all safety codes, wear protective gear, and be alert to safety signal words like DANGER, WARNING, CAUTION.
Turn off main power and install lockout tag before installing or servicing the system to prevent injury or death.
Design and install duct systems per NFPA, NEC, and local codes; use provided flanges for connections.
Follow NEC/CSA codes, use copper conductors, and ensure voltage is within rating plate limits.
Requires a separate electrical service with a waterproof disconnect switch, connect leads to unit rating plate specs.
Run high-voltage leads through conduit to the control box side, ensuring watertight termination.
Connect the ground lead to the chassis using the unit ground lug in the control box.
Form a drip-loop for thermostat leads and connect them to the unit control box as shown in wiring diagrams.
Inspect for shipping damage, wiring, connections, coil fins, and verify fan blade position, filter, and drain pan.
Locate and repair leaks, then evacuate and charge the unit with refrigerant according to specifications.
Charge unit with R-22 refrigerant using volumetric or scale methods; use charging charts for superheat.
Annually inspect and check electrical controls and wiring for tightness and signs of damage.
Inspect refrigerant tubing connections for oil accumulation; leak-test and check refrigerant charge annually.
Provides a chart to diagnose and remedy common unit symptoms and operational issues.
Schematic illustrating electrical connections for 208/230-1-60 single-phase units.
Schematic illustrating electrical connections for 208/230-3-60 three-phase units.
General| Brand | Carrier |
|---|---|
| Model | 50ZP042 |
| Category | Air Conditioner |
| Language | English |
