Daikin R-410A Service Manual page 76

Test Operation
1.1.4 Confirmation on Normal Operation
• Conduct normal unit operation after the check operation has been completed.
• Confirm that the indoor/outdoor units can be operated normally.
• Operate indoor unit one by one to check that the corresponding outdoor unit operates.
• Confirm that the indoor unit discharges cold air (or warm air).
• Operate the air direction control button and flow rate control button to check the function of
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(When outdoor air temperature is 30°CDB or higher, the unit can not be operated with
heating mode. See the installation manual attached.)
(When an abnormal noise due to liquid compression by the compressor can be heard, stop
the unit immediately, and turn on the crankcase heater to heat up it sufficiently, then start
operation again.)
the devices.
SiBE39-402A
Test Operation