Setting Of Night-Time Low Noise Operation And Demand Operation - Daikin REYQ-TA Series Service Manual

SiUS371614E
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.
Setting
Level 1
Level 2
Level 3
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
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.,
(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.)
Field Settings
Content
Set the outdoor fan to Step 6 or lower.
Set the outdoor fan to Step 5 or lower.
Set the outdoor fan to Step 4 or lower.
F1 F1
X
F2 F2
X
P3 P3 X
P4 P4 X
Demand
External control
adapter for
1 2
outdoor unit
X X
Host computer
monitor panel
or demand
controller
Low
noise
3 C
X X X X
Outside wiring indicated
by dotted line
evel
1, 2, or
Level Level
Field Setting from Outdoor Unit
1, 2, or Level 3) for set item
Level
3) for set item No. 22
Level
150