Operation When Power Is Turned On - Daikin VRV III-S RXYMQ36 48PVJU Service Manual

SiUS34-907
1.1.4 Confirmation on Normal Operation
• Conduct normal unit operation after the check operation has been completed.
(When outdoor air temperature is 75°FDB or higher, the unit can not be operated with heating mode. See the
installation manual attached.)
• Confirm that the indoor/outdoor units can be operated normally.
*NOTE: 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.•Operate
indoor units 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 the devices.
1.2

Operation when Power is Turned On

1.2.1 When Turning On Power First Time
The unit cannot be run for up to 12 minutes to automatically set the master power and address (indoor-outdoor
address, etc.).
Status
Outdoor unit
Indoor unit
1.2.2 When Turning On Power the Second Time and Subsequent
Tap the RESET(BS5) button on the outdoor unit PCB. Operation becomes possible for about 2 minutes. If you do
not push the RESET button, the unit cannot be run for up to 10 minutes to automatically set master power.
Status
Outdoor unit
Indoor unit
1.2.3 When an Indoor Unit or Outdoor Unit has been Added, or Indoor or
Outdoor Unit PCB has been Changed
Be sure to push and hold the RESET button for 5 seconds. If not, the addition cannot be recognized. In this case,
the unit cannot be run for up to 12 minutes to automatically set the address (indoor-outdoor address, etc.)
Status
Outdoor unit
Indoor unit
Test Operation
Test lamp H2P .... Blinks
Can also be set during operation described above.
If ON button is pushed during operation described above, the "UH" malfunction indicator
blinks.
(Returns to normal when automatic setting is complete.)
Test lamp H2P .... Blinks
Can also be set during operation described above.
If ON button is pushed during operation described above, the operation lamp lights but the
compressor does not operate. (Returns to normal when automatic setting is complete.)
Test lamp H2P .... ON
Can also be set during operation described above.
If ON button is pushed during operation described above, the "UH" or "U4" malfunction
indicator blinks. (Returns to normal when automatic setting is complete.)
Test Operation
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