INSTALLATION MANUAL 4.6Test Operation
Cooling or Heating Test Operation
To be set in Cooling mode
Proceed Cooling or Heating test operation after completing leak detection on leakage.
THE CHECKING ITEMS OF TEST OPERATION:
1. Checking the phase sequence: this item is very important, refer to the content of checking the phase
sequence on page 35.
2. Checking temperature difference of the outlet air, that is, whether the temperature difference
between the outlet air and the inlet air is equal or above 8 C.
3. Checking outdoor unit:
a. When in operation mode, whether or not the motor is running; when fan is rotating, whether or
not there is abnormal noise.
b. When the stop valve is connected to the pressure gauge, whether or not the displayed pressure
is normal.
c. Check to make sure that the stop valve is opened completely and the valve cap is installed and
tightened.
d. Check to make sure that the wiring of lines is correct.
4. Checking indoor unit:
a. When in operation mode, whether or not the motor is running; when fan is rotating, whether or
not there is abnormal noise.
b. Whether or not the connection of drain lines is firm and is water-leaky.
c. Whether or not the connecting copper between the indoor unit and the outdoor unit is reliable
and without leak.
d. Whether or not the connecting tube is distorted at the bend.
e. Because the unit is tall and large, measures preventing overturn must be taken; check to make
sure that the installation is firm.
f. Make sure that the wiring is correct.
5. Checking the operation of the conditioner:
a. Does it work normally in cooling or heating mode;
b. Does the air swing work correctly;
c. Does the ionizer work correctly and its indicator light up.
The above content of check operation shall be confirmed and recorded by the installing personnel,
only after user's confirmation, can the installing personnel leave.
o
Set the Cooling or Heating mode.
Refer to the instruction
for the procedure.
Note: the compressor has 3-min delay
protection function to prevemt damage
to the compressor when freguently
startup the conditioner.
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