11
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Commissioning
Installer reference guide
47
FTXF20~4 ATXF20~42D5V1B
Daikin room air conditioner
4P519439-16R – 2021.12
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.
11.3 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.
11.3.1 To perform a test run in winter season
When operating the air conditioner in
Cooling
mode in winter, set it to test run
operation using the following method.
1
Press
,
, and simultaneously.
2
Press
.
3
Select .
4
Press .
5
Press
to switch the system on.
Result:
Test run operation will stop automatically after about 30 minutes.
6
To stop operation, press .
For FTXF and ATXF units
1
Press
to switch the system on.
2
Press the centre of
,
, and
simultaneously.
3
Press
twice.
Result:
will appear on the display. Test run operation is selected. Test run
operation will stop automatically after about 30 minutes.
4
To stop operation, press
.
INFORMATION
Some of the functions CANNOT be used in the test run operation mode.
If a power failure occurs during operation, the system automatically restarts
immediately after power is restored.