Check Items After Installation And Test Operation; Check Items After Installation; Test Operation And Debugging - Gree GMV-Y120WL/A-T Owner's Manual

protected in order to avoid scratching the cable. After finishing wiring of junction case, please
check the strength of wire and sealing of case. After checking, close the case cover and lock it
with key.
Installation of : Install it according to the engineering diagram. The cabinet shall be
grounded and each cabinet shall be connected with the base separately. Check if all electronic
components in the cabinet are in accordance with the principle diagram. Check if the rated
voltage and control and operation power voltage are in accordance with the related
requirement. Finally, adjust the overcurrent circuit breaker of cabinet, relays and mechanical
linkage.

5 Check Items after Installation and Test Operation

5.1 Check Items after Installation

Check items
Each part of the unit is installed securely?
Gas leakage test is taken or not?
Unit gets proper thermal insulation or not?
Drainage is smooth or not?
Is the voltage in accordance with the rated
voltage specified on the nameplate?
is the electric wiring and pipe connection
installed correctly?
Unit is securely grounded or not?
Power cord meets the required specification?
Is the air inlet/outlet blocked?
Length of refrigerant pipe and the charging
amount of refrigerant are recorded or not?
Binding pieces on compressor feet are removed
or not?

5.2 Test operation and debugging

Notice:
① After finishing the first installation or replacing the main board of outdoor unit, it is necessary
to perform test operation and debugging. Otherwise, unit won't be able to work.
② Test operation and debugging must be performed by professional technicians or under the
guidance of professional technicians.
5.2.1 Prepare the test operation and debugging
(1) Do not connect power until all installation work is finished.
(2) All control circuits and wires are correctly and securely connected.
(3) Check whether the fixing loops for compressor foots are removed.
(4) All small pieces, especially metal chips, thread ends and forceps holder, must be
removed from the unit.
(5) Check whether unit's appearance and pipeline system has been damaged during
transportation.
Possible conditions due to improper installation
Unit may drop, shake or emit noise.
Insufficient cooling (heating) capacity
There may be condensation and dripping.
There may be condensation and dripping.
Unit may have malfunction or components may
get damaged.
Unit may have malfunction or components may
get damaged.
Electrical leakage
Unit may have malfunction or components may
get damaged.
Insufficient cooling (heating) capacity
The refrigerant charging amount is not
accurate.
Compressor may get damaged.
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Photovoltaic Multi VRF
Check