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11
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Commissioning
Installer reference guide
50
C FVXM25~50A
Split system air conditioners
4P625991-1C – 2021.09
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 using the user interface
1
Press
to switch the system on.
2
Press the middle of and
simultaneously.
3
Press
twice to choose and confirm selection by pressing
.
Result:
on the display indicates that the test run is selected. Test run operation
will stop automatically after about 30 minutes.
4
To stop operation sooner, press the ON/OFF button.
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