Daikin RXYQ96PYDN, Руководство по обслуживанию

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SiUS34-801A_b Other Control
VRVIII R-410A Heat Pump 60Hz 71
9. Other Control
9.1 Backup Operation
If any of the compressors malfunctions, disable the relevant corresponding compressor or outdoor
unit, and then conduct emergency operation only with operational compressors or outdoor units.
Emergency operation with remote controller reset and Emergency operation with outdoor
unit PC board setting are available.
(1) Emergency operation with remote controller reset
[Operating method]
Reset the remote controller. Press the [
RUN/STOP ] button for 4 seconds or more.[Details of
operation]
Disable the defective outdoor unit from operating, and then only operate other outdoor units.
On systems with 1 outdoor unit, this emergency operation is not available.
(2) Emergency operation with outdoor unit PC board setting
[Setting method]
Make setting of the compressor, the operation of which is to be disabled , in field setting
mode (setting mode 2).
For detail of the setting method, refer to page 113.[Details of operation]
Disable the compressor with the operation disable setting made from operating and only
operate other compressors.
9.2 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 adapter is required.
9.3 Heating Operation Prohibition
Heating operation is prohibited above 75.2°F ambient temperature.
Operating method
Applicable model
(1) Emergency operation with
remote controller reset
(Auto backup operation)
(2) Emergency operation with
outdoor unit PC board setting
(Manual backup operation)
RXYQ72~120PYDN
RXYQ72~144PTJU
–
Backup operation by the
compressor
RXYQ144~240PYDN
RXYQ168~240PTJU
Backup operation by the
indoor unit
Backup operation by the
outdoor unit
Set item Condition Content
Demand 1 Mode 1 The compressor operates at approx. 60% or less of rating.
Mode 2 The compressor operates at approx. 70% or less of rating.
Mode 3 The compressor operates at approx. 80% or less of rating.
Demand 2
⎯
The compressor operates at approx. 40% or less of rating.