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11. TRIAL RUN
CAUTION
Perform the trial run only after the outdoor unit has been
powered on for over 12 hours.
Check that all valves are opened before trial run.
Check the electric safety before trial run.
Do not perform compulsory operation in any way.(It is very
dangerous if the protection device is not active)
Perform trial run only after all installations are finished.
Confirm the following issues before trial operation, and
box for the confirmed items.
Check whether the indoor unit and the outdoor are
installed properly.
Check whether the piping and wiring are correct.
Check whether the refrigerant pipeline system is
inspected for leakage.
Check whether the drain is smooth.
Check whether the heat insulation is perfect.
Check whether the ground cables are connected
correctly.
Check whether the pipe length and the refrigerant
amount are recorded.
Check whether the supply voltage is equal to the rated
voltage of the air conditioner.
Check whether any obstacles exist at the air
inlet/outlet of the indoor or outdoor unit.
Open the gas valve and the liquid valve.
Connect the power supply to preheat the air
conditioner.
Install the remote controller holder as required by the user.
The holder must be installed in a location suitable for transmit-
ting the signals of the remote controller to the indoor unit.
Trial run
Use the remote controller or wire controller (matched) to let the
air conditioner run in the cooling mode. Inspect the following
items against the operation manual. (If any fault occurs, remove
the fault by reference to the Section headed "Faults of Air
Conditioner and Causes" in the Operation Manual.)
Indoor unit
Check whether the switch of the remote controller or wire
controller is normal.
Check whether the functional keys of the remote controller or
wire controller are normal.
Check whether the indoor temperature conditioning is normal.
Check whether the indicators illuminate normally.
Check whether the manual operation buttons are normal.
Check whether the drain function is normal.
Check whether the connective copper pipes and the drain pipes
generate condensate due to loose wrapping.
Open the air inlet grille to check whether any penetration or leak
of water occurs, especially at the drain stopper.
Check whether any vibration or abnormal sound occurs during
the
the operation.
Test whether the unit works normally in the heatig mode.
Outdoor unit
Check whether any vibration or abnormal sound occurs during
the operation.
Check whether the air, noise and condensate generated by the
unit affect the neighbors.
Check whether any refrigerant is leaked.
13
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