20
Test operation
1. Preparation of test operation
● The client approves the air conditioner.
● Specify the important notes about air conditioner to the client.
2. Method of test operation
● Connect the power, press ON/OFF button on the remote controller to start
operation.
● Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check whether
the operation is normal or not.
● If the ambient temperature is lower than 16
℃
, the air conditioner can’t start cooling.
3. If match with MULTI-S outdoor unit, after installing the complete units,
must test operating when first power on and turn on units to ensure the
correct installation.
The steps of test operation is as below:
A: Use remote controller to select cooling mode and set the temperature in 16
℃
. Aim
to the indoor display board, press"+, -,+, -,+, -" in 5s, then the indoor display "LL" with a
long whistle. This indicates the units start to test operating.
B: The test operating is finished when indoor display change to show temperature from "LL".
C: If the indoor display show "PA" and outdoor unit stop in test operating, indicate the
installation has mistake, please check the cable connection and the pipe connection of
refrigerant. Correct the mistake and start to test operating again.
Note: All the units can operating normally until pass the test operating.