Table of Contents
Other Control
8. Other Control
8.1
Backup 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.
"Emergency operation with remote controller reset" and "Emergency operation with outdoor unit
PCB setting" are available.
Applicable model
(1) Emergency operation with remote controller reset
[Operating method]
[Details of operation]
(2) Emergency operation with outdoor unit PCB setting
[Setting method]
[Details of operation]
8.2
Demand Operation
In order to save the power consumption, the capacity of outdoor unit is saved with control forcibly
by using "Demand 1 Setting" or "Demand 2 Setting".
To operate the unit with this mode, additional setting of "Continuous Demand Setting" or
external input by external control adaptor for outdoor unit is required.
65
Operating method
RXLQ144-240TATJU
RXLQ144-240TAYDU
RXLQ144-240TAYCU
RXYQ192-384TAYCU
Reset the remote controller. (Press the
Disable the defective outdoor unit from operating temporarily, and then only operate other
outdoor units.
(On the system with 1 outdoor unit, this emergency operation is not available.)
Make setting of the unit, "the operation of which is to be disabled", in field setting mode
(setting mode 2).
Disable the defective outdoor unit from operating, and then only operate other outdoor units.
(On the system with 1 outdoor unit, this emergency operation is not available.)
Setting item
Demand 1
The compressor operates at the power of 60-95% or less of the rating.
Demand 2
The compressor operates at the power of 40-55% or less of the rating.
Demand 3
Forced thermostat OFF
Refer to page 128 for the power consumption limitation details.
(1) Emergency operation with
remote controller reset
(Auto backup operation)
Backup operation by outdoor
unit
ON/OFF
button for 4 seconds or more.)
Content
SiUS341802E
(2) Emergency operation with
outdoor unit PCB setting
(Manual backup operation)
Backup operation by outdoor
unit
Functions and Control
- Quick Links:
- Outdoor Unit
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Troubleshooting
