Haier MRV S II - Inspection before Trial Operation; Indoor Unit Confirmation; Outdoor Unit Confirmation

4343
Trial Operation
NO. Inspection Items Results
1
If indoor unit is in good condition, and if the electric box position is
in accordance with state when out of factory, also if it is xed rmly.
2
If indoor wiring is correct.If the connecting terminal of the fan motor,
swing motor and water pump is connected well. If the sensor is in
good condition and it is at the proper place.
3
If the dip switch of indoor unit is set correctly. If the indoor address,
central controller address, wired controller address and its other
selection are correct.
4 If the wire sequence of wired controller is correct.
5
Before being electried, measure the resistors among live wire,
neutral wire and earthing point on the terminal block with the 500V
ohmmeter. The resistor must be over 1 M Ohm.
3.2 Outdoor unit conrmation
NO. Inspection items Results
1
If outdoor unit is in good condition, and if the electric box is xed
rmly.
2 If outdoor wiring is correct. If the wires are broken.
3
If the dip switch of outdoor unit is set correctly. If the outdoor
address is correct. The master unit No. must be No.1, and the
other units can be No.2, No.3. If there are multiple outdoors,
before being electried, the master unit SW4-5 is set as "searching
outdoor".
3. Inspection before trial operation
Before inspection, conrm the state of indoor and outdoor to avoid the trial failure because of the incorrect
installation.
3.1 Indoor unit conrmation