Emergency Operation - Daikin RTSQ20PY1 Service Manual

Special Control
8.4

Emergency Operation

If any of the compressors goes wrong, disable the relevant compressor or the relevant outdoor
unit from operating, and then conduct emergency operation only with operational compressors
or outdoor units.
There are two ways of conducting the Emergency operation :
Applicable model
RTSYQ10 ~ 16PY1
RTSYQ20PY1
[Emergency operation method]
•
[Details of operation]
•
[Setting Procedure]
•
•
[Operation]
•
•
113
by setting outdoor unit PCB.
Operating method
Emergency operation by resetting remote controller
Reset the remote controller (i.e., press the RUN/STOP button on the remote controller for 4
seconds or more) when the outdoor unit stops because of malfunction state.
Automatically disable the defective outdoor unit from operating, and then operate other
outdoor units. (This emergency operation is not possible in the system with one outdoor
unit.)
Emergency operation by setting outdoor unit PCB
Make setting of compressor to be set to "Operation prohibited" while in field setting mode
(Setting mode 2).
Make setting of outdoor unit to be set to "Operation prohibited" while in field setting mode
(Setting mode 2).
(For detail of the setting procedure, refer to information on P.189 to 193.)
Prohibit the compressor that is "set to Operation Prohibited" from operating, and only
operate other compressor(s).
Prohibit the outdoor unit that is "set to Operation Prohibited" from operating, and only
operate other out door unit(s).
Emergency operation with
remote controller reset
(Auto backup operation)
–
Backup operation by the
outdoor unit
SiBE31-801_C
with remote controller reset and
Emergency operation with
outdoor unit PCB setting
(Manual backup operation)
Backup operation by the
compressor
Backup operation by the
outdoor unit
Function