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Midea MHC-V22W/D2RN8 User Manual

Midea MHC-V22W/D2RN8
93 pages
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M thermal A Series Mono(18~30kW)
Commercial Air Conditioners
R32
Service
Manual
Midea CAC
Confidential
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Midea MHC-V22W/D2RN8 Specifications

General IconGeneral
Compressor TypeRotary
Cooling Capacity2200 W
Power Supply220-240 V, 50 Hz
RefrigerantR32
TypeSplit System

Summary

Midea M thermal A Series Mono Service Manual

Part 2 Components Layout and Refrigerant Circuits

Part 3 Control

Part 4 Diagnosis and Troubleshooting

E0, E8 Troubleshooting

Details troubleshooting steps for E0 and E8 error codes (Water flow failure).

E1 Troubleshooting

Details troubleshooting steps for E1 error code (Phase sequence error).

E2 Troubleshooting

Details troubleshooting steps for E2 error code (Communication error).

E3, E4, H2, H3, Ed, HA, H5, H9, Eb, E7, Ec Troubleshooting

Troubleshooting for various sensor errors on the hydronic system.

E5, E6, E9, EA Troubleshooting

Troubleshooting for sensor errors on the outdoor unit refrigerant system.

EE Troubleshooting

Troubleshooting for EE error code (Hydronic system main PCB EEPROM error).

F1 Troubleshooting

Troubleshooting for F1 error code (Low DC generatrix voltage).

HF Troubleshooting

Troubleshooting for HF error code (Outdoor unit inverter module EEPROM error).

H0 Troubleshooting

Troubleshooting for H0 error code (Communication error between units).

H1 Troubleshooting

Troubleshooting for H1 error code (Communication error between main boards).

H6, HH Troubleshooting

Troubleshooting for H6 (DC fan error) and HH (repeated H6).

H7 Troubleshooting

Troubleshooting for H7 error code (Abnormal main circuit voltage).

H8 Troubleshooting

Troubleshooting for H8 error code (Pressure sensor error).

P0, HP Troubleshooting

Troubleshooting for P0 (low pressure) and HP (repeated low pressure) errors.

P1 Troubleshooting

Troubleshooting for P1 error code (High pressure protection).

P3 Troubleshooting

Troubleshooting for P3 error code (Compressor overcurrent protection).

P4 Troubleshooting

Troubleshooting for P4 error code (Discharge temperature protection).

P5 Troubleshooting

Troubleshooting for P5 error code (High temp difference in water HX).

Inverter Module Troubleshooting

Details troubleshooting for inverter module errors (L0, L1, L2, L4, L5, L8, L9).

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