Specifications
Field Setting from Outdoor Unit SiBE341027
86 Test Operation
2.1.6 Setting of Demand Operation
By connecting the external contact input to the demand input of the outdoor unit external control adaptor for
outdoor unit (optional), the power consumption of unit operation can be saved suppressing the compressor
operating condition.
*: However the demand operation does not occur in the following operation modes.
If carrying out demand or low-noise input, connect the adaptor’s terminals as shown below.
A. When the demand operation is carried out by external contact (with the use of the external control
adaptor for outdoor unit).
1. Connect external control adaptor for outdoor unit and short circuit terminals as required (Refer to above
figure).
2. While in "Setting mode 2", set the setting condition for set item No. 12 (Setting of external low noise/
demand operation) to "YES".
3. If necessary, while in "Setting mode 2", select the set item No. 30 (Setting of Demand 1 level) and then set
the setting condition to targeted mode.
B. When the normal demand operation is carried out. (Use of the external control adaptor for outdoor
unit is not required.)
1. While in "Setting mode 2", make setting of the set item No. 32 (Setting of alternate demand) to "ON".
2. While in "Setting mode 2", select the set item No. 30 (Setting of Demand 1 level) and then set the setting
condition to targeted mode.
Setting content Setting method
Set item Condition Content
External control
adaptor
Outdoor unit PCB
Demand 1
Mode 1
The compressor operates at
approx. 60% or less of rating.
Short circuit "1" and
"C" on the terminal
strip (TeS1).
Set item No. 32 to "Demand 1", and item No.
30 to "Level 1".
Mode 2
The compressor operates at
approx. 70% or less of rating.
Set item No. 32 to "Demand 1", and item No.
30 to "Level 2".
Mode 3
The compressor operates at
approx. 80% or less of rating.
Set item No. 32 to "Demand 1", and item No.
30 to "Level 3".
Demand 2
The compressor operates at
approx. 40% or less of rating.
Short circuit "2" and "C".
Set item No. 32 to "Demand 2".
Demand 3 Forced thermostat OFF.
Short circuit "3" and "C".
Startup control
Oil return operation
Defrosting operation Pump down residual operation
X
X
X
X
X X X X X X
F1
F2
P3
P4
123C
Demand
External control
adaptor for
outdoor unit
Host computer
monitor panel
or demand
controller
Outside wiring indicated
by dotted line
Low
noise