Daikin SkyAir RZQ-P Series Service Manual page 74

Field Setting
3.4.3 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.
Demand 3 
Forced thermostat OFF.
: 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
1. Connect external control adaptor for outdoor unit and short-circuit terminals as required
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
66
Content
N Startup control
P=Defrosting operation
External control
adaptor for
outdoor unit
Host computer
monitor panel
or demand
controller
external control adaptor for outdoor unit).
(Refer above figure).
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.
Setting method
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 "2" and "C".
Short circuit "3" and "C".
O Oil return operation
Q Pump down residual operation
F1
X
F2
X
P3
X
P4
X
X X X X X X
1 2 3 C
Low
noise
Demand
SiUS28-902_B
Outdoor unit PCB
30 to "Level 1".
30 to "Level 2".
30 to "Level 3".
Set item No. 32 to "Demand 2".

Outside wiring indicated
by dotted line
Test Operation