10 Commissioning
Installation manual
15
RXM-A, ARXM-A
R32 split series
3P645642-6L – 2023.07
WARNING
Before connecting or disconnecting the connector, make
sure the power supply is turned OFF.
INFORMATION
Selective connector for standby electricity saving is
required if other than applicable indoor unit is connected.
9.2.2
To turn ON standby electricity saving
function
Prerequisite:
The main power supply MUST be turned OFF.
1
Remove the service cover.
2
Disconnect the selective standby electricity saving connector.
3
Turn ON the main power supply.
10
Commissioning
NOTICE
General
commissioning
checklist.
Next
to
the
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during commissioning and
hand-over to the user.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
10.1
Checklist before commissioning
1
After the installation of the unit, check the items listed below.
2
Close the unit.
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.
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.
10.2
Checklist during commissioning
To perform an
air purge
.
To perform a
test run
.
10.3
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.
3
Make sure that all functions and parts are working properly.
4
The system stops operating 3 minutes after the unit is turned
OFF.
INFORMATION
▪ Even if the unit is turned OFF, it consumes electricity.
▪ When the power turns back on after a power break, the
previously selected mode will be resumed.
Summary of Contents for RXM50A5V1B
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