Daikin VRV II RXYQ5MATL, Service Manual, Page: 154 / 331

Si39-504 Field Setting
Test Operation 143
Setting of Demand Operation
By connecting the external contact input to the demand input of the outdoor unit external control
adapter (optional), the power consumption of unit operation can be saved suppressing the
compressor operating condition.
A. When the demand operation is carried out by external instructions (with the use of the
external control adapter for outdoor unit).
1. While in "Setting mode 2", set the setting condition for set item No. 12 (Setting of external
low noise/demand operation) to "YES".
2. 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
adapter for outdoor unit is not required.)
1. While in "Setting mode 2", make setting of the set item No. 32 (Setting of normal 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.
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.