2.2 Inspection before trial operation
Part 3
Before inspection, confirm the state of indoor and outdoor to avoid the trial
failure because of the incorrect installation.
2.2.1 Indoor unit confirmation
- 101 -
No.
inspection items
results
If indoor unit is in good condition, and if the electric box position is in
accordance with the state when out of factory, also if it is fixed firmly.
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.
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.
If the wire sequence of wired controller is correct.
Before being electrified, 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.
1
2
3
4
5
2.2.2 Outdoor unit confirmation
No.
inspection items
results
If outdoor unit is in good condition, and if the electric box is fixed firmly.
If outdoor wiring is correct. If the wires are broken.
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 electrified, the master
unit SW4-5 is set as "searching outdoor".
if the communication wire between indoor and outdoor is connected to
master unit, or the master unit will occur failure code 1002.
Before being electrified, 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.
1
2
3
4
5
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