Low-Temperature Hydrobox Test Operation; Gas Furnace Test Operation - Daikin VRV RXYQ72-384XAYCA Service Manual

Test Operation
3.3

Low-Temperature Hydrobox Test Operation

Regarding the test operation of the low-temperature hydrobox (HXY-TA), refer to the service
manual SiUS392016EA.
3.4

Gas Furnace Test Operation

Caution
Always use the remote controller to stop the test operation.
The test should be performed with the following procedure.
1. All install process, including heat pump system, has been done.
2. Test operation of heat pump system has been successfully completed.
3. Turn off remote controller connected to CXTQ-TA.
4. Change the setting according to the following table.
5. Turn on remote controller connected to CXTQ-TA.
6. The compressor will be forcibly stopped if the compressor is running at this time. After that, the
7. The gas furnace will operate with selected heat stage.
8. This test operation will stop automatically after 30 minutes or when the remote controller is
Note(s)
 Heat pump operation is not allowed during this test operation.
 When the heat pump is in service mode (test mode, pump down mode, refrigerant charge
 This setting will be returned to factory setting automatically after finishing test operation.
205
gas furnace will run in tens of seconds. (Tens of minutes might well be needed to stop
compressor if the outdoor unit is particular operation.)
turned off.
Mode No. First Code No.
14 (24) 11
mode, etc.), this gas furnace test will not start.
Second Code No.
01
02
03
SiUS342004EB
: Factory setting
Gas furnace test mode
OFF
Low heat
High heat
Part 5 Field Settings and Test Operation