Items to confirm
Test running.
1) If the temperature is lower than 16 C, it is impossible to test cooling with remote controller, and also
when the temperature is higher than 30 C, it is impossible to test heating.
2) To test cooling, set the lowest temperature at 16 C. To test heating,set the highest temperature, at
30C.
3) Please check both cooling and heating operation of each unit individually and then also check the
simultaneous operation of all indoor units.
4)After ruuning the unit for about 20 minutes, check the indoor unit outlet temperature.
5) After the unit is stopped, or working mode changed, the system will not start again for about 3 minutes.
6)During cooling operation, frost may ocur on the indoor unit or pipes, this is normal.
7) Operate the unit according to the operation manual. Please kindly explain to our customers how to
operate through the instruction manual.
Gas leakage from pipe connection?
Heat insulation treatment of pipe connection?
Are the connection wiring of indoor and outdoor unit firmly inserted into the terminal block?
Is the connection wiring of indoor and outdoor firmly fixed?
Is drainage securely arranged?
Is the ground wire securely and firmly connected?
Is power supply voltage abided by electric code?
Is there any noise?
Does cooling perform normally?
Does room temperature regulator operate normally?
Check items for test run, put mark " in ".
-26-
Commercial Air Conditioner
Model: AU18
/22
2XFERA
AS072/092/122XVERA
