10
|
Commissioning
Installer reference guide
49
(A)RXF20~42C5V1B
R32 split series
4P519439-10J – 2021.06
The system is properly
earthed
and the earth terminals are tightened.
The
power supply voltage
matches the voltage on the identification label of the unit.
There are NO
loose connections
or damaged electrical components in the switch box.
There are NO
damaged components
or
squeezed pipes
on the inside of the indoor and
outdoor units.
There are NO
refrigerant leaks
.
The
refrigerant pipes
(gas and liquid) are thermally insulated.
The correct pipe size is installed and the
pipes
are properly insulated.
The
stop valves
(gas and liquid) on the outdoor unit are fully open.
The following
field wiring
has been carried out according to this document and the
applicable legislation between the outdoor unit and the indoor unit.
Drainage
Make sure drainage flows smoothly.
Possible consequence:
Condensate water might drip.
The indoor unit receives the signals of the
user interface
.
The specified wires are used for the
interconnection cable
.
The
fuses, circuit breakers,
or locally installed protection devices are installed according to
this document, and have NOT been bypassed.
10.4 Checklist during commissioning
To perform an
air purge
.
To perform a
test run
.
10.5 To perform a test run
Prerequisite:
Power supply MUST be in the specified range.
Prerequisite:
Test run may be performed in cooling or heating mode.
Prerequisite:
Test run should be performed in accordance with the operation
manual of the indoor unit to make sure that all functions and parts are working
properly.
1
In cooling mode, select the lowest programmable temperature. In heating
mode, select the highest programmable temperature. Test run can be
disabled if necessary.
2
When the test run is finished, set the temperature to a normal level. In cooling
mode: 26~28°C, in heating mode: 20~24°C.
3
The system stops operating 3 minutes after the unit is turned OFF.
