Daikin RXYQ96PYDN, Service Manual

Page: 106 / 567

SiUS34-801A_b Test Operation
VRVIII R-410A Heat Pump 60Hz 91
Note:
Heating is not possible if the outdoor temperature is 75°F or higher. Refer to the Operation
manual.
If a knocking sound can be heard in the liquid compression of the compressor, stop the unit
immediately and then energize the crank case heater for a sufficient length of time before
restarting the operation.
Once stopping, the compressor will not restart in about 5 minutes even if the On/Off button of
the remote controller is pushed.
When the system operation is stopped by the remote controller, the outside units may continue
operating for further 5 minutes maximum.
The outside unit fan may rotate at low speeds if the Night-time low noise setting or the External
low noise level setting is made, but this is not a malfunction.
If the check operation was not performed at first installation, the malfunction code [
U3 ] will be
displayed in the remote controller. Perform the check operation following [10.2.5.4 Procedure
of Check Operation] .
10.2.7.3 Checks after Test Run
Perform the following checks after the test run is complete.
Record the contents of field setting.
→
Record them on the accessory [REQUEST FOR THE INDICATION] label.
And attach the label on the back side of the front panel.
Record the installation date.
→
Record the installation date on the accessory [REQUEST FOR THE INDICATION] label in
accordance with the IEC60335-2-40.
And attach the label on the back side of the front panel.
Note:
After the test run, when handing the unit over to the customer, make sure the Electrical Componets
Box lid, the inspection door, and the unit casing are all attached.
10.3 Operation when Power is Turned On
10.3.1 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
10.3.2 When Turning On Power the Second Time and Subsequent
Tap the RESET button on the outdoor unit PC board. 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 Test lamp H2P .... Blinks
Can also be set during operation described above.
Indoor unit If the ON button is pushed during operation described above, the [ UH ]
malfunction indicator blinks.
Returns to normal when automatic setting is complete.
Outdoor unit Test lamp H2P .... Blinks
Can also be set during operation described above.
Indoor unit 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.