Daikin RXYQ96PYDN Service Manual page 273

Field Setting
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 by suppressing the
compressor operating condition.
A. When the demand operation is carried out by external instructions (with the use of the
1. Connect the external adaptor of the outdoor unit, and then connect the external input wiring to
2. While in Setting mode 2, set the setting condition for set item No. 12 (Setting of external low
3. If necessary, while in Setting mode 2, select the set item No. 30 (Setting of Demand 1 level)
B. When the Normal demand operation is carried out. (Use of the external control adapter
1. While in Setting mode 2, make setting of the set item No. 32 (Setting of constant demand) to
2. While in Setting mode 2, select the set item No. 30 (Setting of Demand 1 level) and then set
258
Description of setting
Setting
Condition
item
Operate with power
Level 1 of approx. 60% or
less of the rating.
Operate with power
Demand 1 Level 2 of approx. 70% or
less of the rating.
Operate with power
Level 3 of approx. 80% or
less of the rating.
Operate with power
Demand 2 – of approx. 40% or
less of the rating.
Operate with forced
Demand 3 –
thermostat OFF
external control adaptor for outdoor unit).
the low-noise operation input terminal on the terminal block (X1M). (Refer to the figure shown
below.)
noise/demand operation) to YES.
and then set the setting condition to targeted mode.
for outdoor unit is not required.)
ON.
the setting condition to targeted mode.
If carrying out demand or low-noise input, connect the terminals
of the external control adaptor for outdoor unit as shown below.
To other external control adaptor
for outdoor unit
External control
Description
adaptor
Short-circuit
between "1" and [C]
of the terminal block
(TeS1).
Short-circuit
between [2]and [C].
Short-circuit
between [3] and [C].
F1
F2
N
P
1
Demand
Host computer monitor panel or demand controller
Setting procedure
Outdoor unit PC board
Set the setting item No. 32 to
Demand 1 and the setting item No.
30 to Level 1.
Set the setting item No. 32 to
Demand 1 and the setting item
No. 30 to Level 2.
Set the setting item No. 32 to
Demand 1 and the setting item
No. 30 to Level 3.
Set the setting item No. 32 to
Demand 2 .
X1M
2 3 C Low
noise
Outside
wiring
indicated by
dotted line.
VRVIII R-410A Heat Recovery 60Hz
SiUS34-801A_b
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