SiUS371614E
Field Setting from Outdoor Unit
Field Settings
150
2.6
Setting of Night-time Low Noise Operation and Demand
Operation
Setting of Night-time Low Noise Operation
By connecting the external contact input to the low noise input of the outdoor unit external control adaptor
(optional), you can lower operating noise.
A. When the night-time low noise 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 terminal of night-time low noise operation. If
carrying out demand or low noise input, connect the adaptor’s terminals as shown below.
2. While in setting mode 2, set the setting condition for set item No. 12 (Setting of external low noise/demand
operation) to YES.
3. If necessary, while in setting mode 2, select the setting condition (i.e., L
evel
1,
Level
2, or Level 3) for set item
No. 25 (Setting of external low noise level).
4. If necessary, while in setting mode 2, set the setting condition for the set item No. 29 (Setting of capacity
priority) to ON.
(If the condition is set to ON, when the air conditioning load reaches a high level, the night-time low noise
operation command will be ignored to put the system into normal operation mode.)
B. When the night-time low noise operation is carried out automatically at night (The external control
adaptor for outdoor unit is not required)
1. While in setting mode 2, select the setting condition (i.e.,
Level
1,
Level
2, or
Level
3) for set item No. 22
(Setting of night-time low noise operation level).
2. If necessary, while in setting mode 2, select the setting condition (i.e., 20:00, 22:00, or 24:00) for set item No.
26 (Setting of start time of night-time low noise operation).
(Use the start time as a guide since it is estimated according to outdoor temperatures.)
3. If necessary, while in setting mode 2, select the setting condition (i.e., 06:00, 07:00, or 08:00) for set item No.
27 (Setting of end time of night-time low noise operation).
(Use the end time as a guide since it is estimated according to outdoor temperatures.)
4. If necessary, while in setting mode 2, set the setting condition for set item No. 29 (Setting of capacity priority)
to ON.
(If the condition is set to ON, when the air conditioning load reaches a high level, the system will be put into
normal operation mode even during night-time.)
Setting
Content
Level 1
Set the outdoor fan to Step 6 or lower.
Level 2
Set the outdoor fan to Step 5 or lower.
Level 3
Set the outdoor fan to Step 4 or lower.
Outside wiring indicated
by dotted line
External control
adapter for
outdoor unit
Host computer
monitor panel
or demand
controller
X
X
X
X
F1
F2
P3
P4
F1
F2
P3
P4
X
X
X
X
X
X
1
2
3
C
Demand
Low
noise
Summary of Contents for REYQ-TA Series
Page 1: ...Service Manual SiUS371614E REYQ72 456TAYDU REYQ72 456TATJU Heat Recovery 60 Hz...
Page 304: ...Wiring Diagrams SiUS371614E 291 Appendix REYQ96 120TAYDU 2D106425A...
Page 305: ...SiUS371614E Wiring Diagrams Appendix 292 REYQ144 168TAYDU 2D106426A...
Page 306: ...Wiring Diagrams SiUS371614E 293 Appendix REYQ72TATJU 3D106421A...
Page 307: ...SiUS371614E Wiring Diagrams Appendix 294 REYQ96 120TATJU 2D106422A...
Page 308: ...Wiring Diagrams SiUS371614E 295 Appendix REYQ144 168TATJU 2D106423A...
Page 318: ...Wiring Diagrams SiUS371614E 305 Appendix VAM1200GVJU 3D073270C...
Page 320: ...Wiring Diagrams SiUS371614E 307 Appendix 1 4 2 Multi Branch Selector Unit BS4Q54TVJ 3D089123B...
Page 321: ...SiUS371614E Wiring Diagrams Appendix 308 BS6 8Q54TVJ 2D089122B...
Page 322: ...Wiring Diagrams SiUS371614E 309 Appendix BS10 12Q54TVJ 2D089121B...
Page 323: ...Revision History Month Year Version Revised contents 02 2017 SiUS371614E First edition...
