MCAC-UTSM-201707 Midea R410A T3 50Hz Top-discharge Series
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5. Connection of Refrigerant Pipe
Schematic diagram of connection between indoor unit and outdoor unit:
MT(H)B1T-96C(H)WN1 + MOVTA-96C(H)N1-R
MFA3T-96C(H)WN1 + MOVAT-96C(H)N1-R
The refrigerant pipe adapter is located inside the outdoor unit. So remove the right front board
first. ( three pieces of M5 screw)
When the pipe is connected from the front side, the pipe can be led out through the right front
board.
When welding the refrigerant pipe, in order to prevent internal oxidation of the pipe, nitrogen
must be filled in. Otherwise, the oxidized chips may block refrigerating circulatory system.
Trash and foreign matters may come into the pipe in the process of installing the refrigerant pipe.
Be sure to blow them off with nitrogen before connecting the pipe to the outdoor units.
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