DC Inverter Multi VRF System
24
5 Check Items after Installation and Test Operation
5.1 Check Items after Installation
Possible conditions due to improper
installation
Each part of the unit is installed securely?
Unit may drop, shake or emit noise.
Gas leakage test is taken or not?
Insufficient cooling (heating) capacity
Unit gets proper thermal insulation or not?
There may be condensation and dripping.
Drainage is smooth or not?
There may be condensation and dripping.
Is the voltage in accordance with the rated voltage
specified on the nameplate?
Unit may have malfunction or
components may get damaged.
is the electric wiring and pipe connection installed
correctly?
Unit may have malfunction or
components may get damaged.
Unit is securely grounded or not?
Power cord meets the required specification?
Unit may have malfunction or
components may get damaged.
Is the air inlet/outlet blocked?
Insufficient cooling (heating) capacity
Length of refrigerant pipe and the charging
amount of refrigerant are recorded or not?
The refrigerant charging amount is not
accurate.
Binding pieces on compressor feet are removed
or not?
Compressor may get damaged.
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