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General| Series | MXZ |
|---|---|
| Type | Multi-Zone |
| Cooling Capacity | 30, 000 BTU/h |
| Heating Capacity | 33, 000 BTU/h |
| Number of Zones | 3 |
| SEER Rating | 20.0 |
| Voltage | 208/230V |
| Phase | 1 |
| Compressor Type | Inverter |
| Refrigerant | R410A |
Manual covers service procedures and specifications for the outdoor unit.
Steps to prepare for repair service, including tools, ventilation, and power disconnection.
Safety measures to follow during repair service, such as handling electrical parts and refrigerants.
General safety rules to follow before and during maintenance and repair work.
Specific precautions for handling R410A refrigerant and related piping work.
Recommended pipe thickness for R410A refrigerant to ensure safety and performance.
Specifications for flare cutting dimensions and flare nuts for R410A refrigerant.
Defines the operating temperature ranges for cooling and heating modes.
Guidelines for maximum refrigerant piping lengths and required pipe sizes based on unit configuration.
Specifies the guaranteed voltage range for the outdoor unit.
Describes the conditions for measuring cooling and heating performance, including temperature and humidity.
Procedure to activate or deactivate the pre-heat control function for compressor protection.
Safety precautions to be observed before and during troubleshooting procedures.
How to recall and interpret failure codes displayed by the unit's LED indicators.
Diagram of the outdoor control P.C. board showing test points and voltage measurements.
Procedure for removing the outer panels, top panel, and cabinet of the outdoor unit.
Steps to remove the outdoor control P.C. board, electrical box, reactor, and heatsink.
Procedure for removing the fan motor, including disconnecting connectors and removing the propeller fan.
Steps for removing the compressor and 4-way valve, including gas recovery and pipe detachment.
Procedure for removing the expansion valve and LEV coils.
Steps to prepare the unit for accessing the service port on the high pressure side.
Procedure for removing panels of MXZ-3C and MXZ-4C series outdoor units.
Steps to remove control boards, reactor, and heatsink for MXZ-3C/4C series.
Procedure for removing the fan motor from MXZ-3C/4C series units.
Steps for removing compressor and 4-way valve, including gas recovery for MXZ-3C/4C series.
Procedure for removing panels of MXZ-5C and MXZ-..NAHZ series outdoor units.
Steps to remove control boards, reactor, and power P.C. board for MXZ-5C/..NAHZ series.
Procedure for removing the fan motor from MXZ-5C/..NAHZ series units.
Steps for removing compressor and 4-way valve, including gas recovery for MXZ-5C/..NAHZ series.
Procedure for removing the expansion valve and LEV coils from MXZ-5C/..NAHZ series.
