12
|
Commissioning
Installer reference guide
56
RXM-A, ARXM-A
R32 split series
4P718129-3A – 2023.07
3
Power up the unit.
The
indoor unit
is properly mounted.
The
outdoor unit
is properly mounted.
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.
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.
12.3 Checklist during commissioning
To perform an
air purge
.
To perform a
test run
.
12.4 To perform a test run
INFORMATION
If the unit runs into an error during commissioning, see the service manual for the
detailed troubleshooting guidelines.
Prerequisite:
The power supply MUST be in the specified range.
Prerequisite:
Test run may be performed in cooling or heating mode.
Prerequisite:
Refer to the operation manual of the indoor unit for setting
temperature, operation mode….
1
In cooling mode, select the lowest programmable temperature. In heating
mode, select the highest programmable temperature. The 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.