To Perform A Test Run; Starting Up The Outdoor Unit - Daikin 2AMXM40M4V1B9 Installer's Reference Manual

12.5.1 To perform a test run

12.6 Starting up the outdoor unit

2(A)MXM40+50 + 2(A)MXF40+50
R32 Split series
4P600463-3D – 2021.03
Initialization of the Multi system can take several minutes depending on the
number of indoor units and options used.
Prerequisite: Power supply MUST be in the specified range.
Prerequisite: Test run operation may be done in cooling or heating mode.
Prerequisite: Test run should be done 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.
2 Measure the temperature at the indoor unit inlet and outlet after running the
unit for about 20 minutes. The difference should be more than 8°C (cooling)
or 15°C (heating).
3 First check operation of each unit individually, then check simultaneous
operation of all indoor units. Check both heating and cooling operation.
4 When test run is finished, set the temperature to a normal level. In cooling
mode: 26~28°C, in heating mode: 20~24°C.
INFORMATION
▪
Test run can be disabled if necessary.
▪
After the unit is turned OFF, it cannot be started again for 3 minutes.
▪
During cooling operation, frost may form on the gas stop valve or other parts.
This is normal.
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.
See the indoor unit installation manual for configuration and commissioning of the
system.
12 Commissioning
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Installer reference guide
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