12
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Commissioning
Installer reference guide
54
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
During test operation, the outdoor unit and the indoor units will start up. Make
sure that the preparations of all indoor units are finished (field piping, electrical
wiring, air purge, ...). See installation manual of the indoor units for details.
12.3 Checklist before commissioning
After the installation of the unit, first check the items listed below. Once all checks
are fulfilled, the unit must be closed. Power-up the unit after it is closed.
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.
12.4 Checklist during commissioning
To perform an
air purge
.
To perform a
test run
.
12.5 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:
Power supply MUST be in the specified range.
Prerequisite:
Test run may be performed in cooling or heating mode.