Daikin VRV RXYMQ-A Series Service Manual page 139

SiME332106E
Setting of Demand Operation
By connecting the external contact input to the demand input of the external control adaptor for
outdoor unit (optional), the power consumption of unit operation can be saved suppressing the
compressor operating condition.
Setting content
Set item Condition
Level 1 The compressor operates at
60% or less of rating.
Level 2 The compressor operates at
65% or less of rating.
Level 3 The compressor operates at
70% or less of rating.
Level 4 The compressor operates at
75% or less of rating.
Demand 1
Level 5 The compressor operates at
80% or less of rating.
Level 6 The compressor operates at
85% or less of rating.
Level 7 The compressor operates at
90% or less of rating.
Level 8 The compressor operates at
95% or less of rating.
Level 1 The compressor operates at
40% or less of rating.
Level 2 The compressor operates at
Demand 2
50% or less of rating.
Level 3 The compressor operates at
55% or less of rating.
Demand 3 — Forced thermostat OFF
: However the demand operation does not occur in the following operation modes.
(1) Startup control
(2) Oil return control
(3) Defrost control
(4) Pump down residual control
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
2. While in setting mode 2, set the item 2-12 (External low noise or demand setting) to ON.
3. If necessary, while in setting mode 2, select a demand 1 level for the item 2-30.
B. When the constant demand operation is carried out. (Use of the external control
adaptor for outdoor unit is not required.)
1. While in setting mode 2, set the item 2-32 (Constant demand setting) to Level 1.
While in setting mode 2, select a demand 1 level for the item 2-30.
Part 5 Field Settings and Test Operation
Content
External control
adaptor for
outdoor unit
Host computer
monitor panel
or demand
controller
(Refer to the figure above).
Setting method
External control adaptor
for outdoor
unit
Set the item 2-32 to Demand 1, and the item
2-30 to Level 1.
Set the item 2-32 to Demand 1, and the item
2-30 to Level 2.
Set the item 2-32 to Demand 1, and the item
2-30 to Level 3.
Set the item 2-32 to Demand 1, and the item
Short circuit "1" and
2-30 to Level 4.
"C" on the terminal strip
Set the item 2-32 to Demand 1, and the item
(TeS1).
2-30 to Level 5.
Set the item 2-32 to Demand 1, and the item
2-30 to Level 6.
Set the item 2-32 to Demand 1, and the item
2-30 to Level 7.
Set the item 2-32 to Demand 1, and the item
2-30 to Level 8.
Set the item 2-32 to Demand 2, and the item
2-31 to Level 1.
Set the item 2-32 to Demand 2, and the item
Short circuit "2" and "C".
2-31 to Level 2.
Set the item 2-32 to Demand 2, and the item
2-31 to Level 3.
Short circuit "3" and "C".
F1 F1
X
F2 F2
X
P3 P3 X
P4 P4 X
Demand
Low
noise
1 2 3 C
X X X X X X
Outside wiring indicated
by dotted line
Field Settings for Outdoor Unit
Outdoor unit PCB
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