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Field Setting from Outdoor Unit
SiUS372201EA
251
Part 5 Field Settings and Test Operation
2.7.2 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.
1. Startup control
2. Oil return operation
3. Defrost operation
4. Pump down residual operation
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 the figure above).
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 Normal 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 (Setting of alternate demand) to ON.
2. While in setting mode 2, select a demand 1 level for the item 2-30.
Description of setting
Setting procedure
Setting item
Description
External control adaptor for
outdoor unit
Outdoor unit PCB
Demand 1
Operate with power of
70% or less of the rating.
Short circuit between "1" and "C"
of the terminal block (TeS1).
Set the item 2-32 to Demand 1.
Demand 2
Operate with power of
40% or less of the rating.
Short circuit between "2" and
"C".
Set the item 2-32 to Demand 2.
Demand 3
Operate with forced
thermostat OFF.
Short circuit between "3" and
"C".
—
Outdoor wiring indicated
by dotted line
External control
adaptor for outdoor unit
Host computer monitor
panel or demand controller
X
X
X
X
X
X
X
X
1
2
3
C
Demand
Low
noise
F1
F2
Host computer monitor panel or demand controller
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
Outdoor
wiring
indicated by
dotted line.
X
X
X
X
X
X
X
X
1
2
3
C
Demand
Low
noise
F1
F2
Summary of Contents for REYQ-AATJA
Page 1: ...Service Manual Heat Recovery 60 Hz REYQ AATJA 208 230 V REYQ AAYDA 460 V SiUS372201EA...
Page 465: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 458 BS6 8Q54TVJ 2D089122B...
Page 466: ...Wiring Diagrams SiUS372201EA 459 Part 7 Appendix BS10 12Q54TVJ 2D089121B...
Page 469: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 462 BSF6 8Q54TVJ 2D123905A...
Page 472: ...Wiring Diagrams SiUS372201EA 465 Part 7 Appendix FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 476: ...Wiring Diagrams SiUS372201EA 469 Part 7 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 477: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 470 FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 483: ...SiUS372201EA Wiring Diagrams Part 7 Appendix 476 FXHQ12 24 36MVJU 3D048116C...
Page 484: ...Wiring Diagrams SiUS372201EA 477 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Page 490: ...Wiring Diagrams SiUS372201EA 483 Part 7 Appendix VAM1200GVJU 3D073270D...