Daikin RQYQ140-180PY1 Service Manual page 97

SiBE341001
2.1.5 Setting of Demand Operation
By connecting the external contact input to the demand input of the outdoor unit external control
adaptor (optional), the power consumption of unit operation can be saved suppressing the
compressor operating condition.
Setting content
Set item Condition
The compressor operates at
Mode 1
approx. 60% or less of rating.
The compressor operates at
Demand 1 Mode 2
approx. 70% or less of rating.
The compressor operates at
Mode 3
approx. 80% or less of rating.
The compressor operates at
Demand 2 
approx. 40% or less of rating. Short circuit "2" and "C".
Demand 3 
Forced thermostat OFF.
*: However the demand operation does not occur in the following operation modes.
A. When the demand operation is carried out by external contact (with the use of the
1. Connect the external control adaptor, and short circuit the low noise terminals of the terminal
2. While in "Setting mode 2", set the setting condition for set item No. 12 (Setting of external
3. If necessary, while in "Setting mode 2", select the set item No. 30 (Setting of Demand 1
B. When the normal demand operation is carried out. (Use of the external control
1. While in "Setting mode 2", make setting of the set item No. 32 (Setting of alternate demand)
2. While in "Setting mode 2", select the set item No. 30 (Setting of Demand 1 level) and then
Test Operation
Content
Startup control
Defrosting operation
external control adaptor for outdoor unit).
strip (TeS1).
low noise/demand operation) to "YES".
level) and then set the setting condition to targeted mode.
adaptor for outdoor unit is not required.)
to "ON".
set the setting condition to targeted mode.
External control
adaptor
Set item No. 32 to "Demand 1", and item No.
Short circuit "1" and
Set item No. 32 to "Demand 1", and item No.
"C" on the terminal
strip (TeS1).
Set item No. 32 to "Demand 1", and item No.
Short circuit "3" and "C".
Oil return operation
Pump-down residual operation
Field Setting from Outdoor Unit
Setting method
Outdoor unit PCB
30 to "Level 1".
30 to "Level 2".
30 to "Level 3".
Set item No. 32 to "Demand 2".

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