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Items to be checked
Has it been fixed firmly?
Have you done the refrigerant leakage test?
Is heat insulation sufficient?
Does the unit drain well?
Is the voltage in accordance with the rated
voltage marked on the nameplate?
Is the electrical wiring and piping connection
installed correctly and securely?
Has the unit been connected to a secure earth
connection?
Is the power cord specified?
Has the inlet and outlet been covered?
Has the length of connection pipes and the
refrigerant capacity been record?
1. Before test operation
(1) Do not switch on power before installation is
finished completely.
(2) Electric wiring must be connected correctly
and securely.
(3) Cut-off valves of the connection pipes
should be opened.
(4) All the impurities such as scraps and thrums
must be clear from the unit.
(5) Open the surface panel and set the handling
switch to “RUN” mode.
2. Test operation method
(1) Switch on power and press “1/0” button on the remote controller.
(2) Press “MODE” button and check the operation condition of
, , modes.
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(3) Forced operation.
Act as following when the remote controller can not be used:
(1) At stopping,set the handling switch to “AUTO” mode, then the unit will automatic run in the mode selected by
the microcomputer system according to surrounded temperature.
(2) At operation, set the handling switch to “STOP” mode to turn off the unit.
Test operation
NOTE : The “TEST ” mode is only for testing, do not set the switch to this mode at
normal operation.
Check after installation
Test operation and check after installation
Possible mal-function
The unit may drop, shake or emit noise.
It may cause insufficient refrigerating capacity.
It may cause condensation and dripping.
It may cause condensation and dripping.
It may cause electric mal-function or damage
the part.
It may cause electric mal-function or damage
the part.
It may cause electrical leakage.
It may cause electric mal-function or damage
the part.
It may cause insufficient refrigerating capacity.
The refrigerant capacity is not accurate
Situation
