Check Items After Installation And Test Operation; Check Items After Installation; Test Operation And Debugging - Gree FGR20Pd/DNa-X Manual De Usuario

4 Check Items after Installation and Test Operation

4.1 Check Items after Installation

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?

4.2 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.
4.2.1 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
(5) Check whether unit's appearance and pipeline system has been damaged during
transportation.
(6) Calculate the quantity of refrigerant that needs to be added according to the pipe length.
Pre-charge the
while refrigerant can't be added, record the quantity of refrigerant that still needs to add
and complement the quantity during test operation. For details of adding refrigerant
during test operation, see below.
(7) After refrigerant is added, make sure valves of outdoor unit are completely open.
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The Ducted Split Type Air-Conditioning Units(Inverter Series) Installation and Operation Manual
Check items
unit.
refrigerant. In case that the required charging quantity is not reached
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
components may get damaged.
Unit may have malfunction
components may get damaged.
Electrical leakage
Unit may have malfunction
components may get damaged.
Insufficient cooling (heating) capacity
The refrigerant charging amount is not
accurate.
Compressor may get damaged.
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