Daikin RXYQ96PYDN Service Manual page 271

Field Setting
12.1.5 Setting of Low Noise Operation and Demand Operation
Setting of 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.
Level 1
Level 2
Level 3
A. When the low noise operation is carried out by external instructions (with the use of
1. Connect the external adaptor for the outdoor unit, and then connect the external input wiring to
2. While in Setting mode 2, set the setting condition for set item No. 12 (Setting of external low
3. If necessary, while in Setting mode 2, select the setting condition (i.e.,
4. If necessary, while in Setting mode 2, set the setting condition for the set item No. 29 (Setting
B. When the low noise operation is carried out automatically at night (The external control
1. While in Setting mode 2, select the setting condition (i.e.,
2. If necessary, while in Setting mode 2, select the setting condition (i.e., [20:00], [22:00], or
3. If necessary, while in Setting mode 2, select the setting condition (i.e., "06:00", "07:00", or
4. If necessary, while in Setting mode 2, set the setting condition for set item No. 29 (Setting of
256
Setting
Set the outdoor unit fan to Step 5 or lower.
Set the outdoor unit fan to Step 4 or lower.
Set the outdoor unit fan to Step 3 or lower.
the external control adaptor for outdoor unit)
the low-noise operation input terminal on the terminal block (X1M). (Refer to the figure shown
below.)
noise/demand operation) to YES.
Level 3) for set item No. 25 (Setting of external low noise level).
of capacity precedence) to ON.
(If the condition is set to ON, when the air-conditioning load reaches a high level, the low noise
operation command will be ignored to put the system into normal operation mode.)
adaptor for outdoor unit is not required)
item No. 22 (Setting of nighttime low noise level).
[24:00]) for set item No. 26 (Setting of start time of nighttime low noise operation).
(Use the start time as a guide since it is estimated according to outdoor temperatures.)
"08:00") for set item No. 27 (Setting of end time of nighttime low noise operation).
(Use the end time as a guide since it is estimated according to outdoor temperatures.)
capacity precedence) 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 nighttime.)
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
Content
Level
F1
F2
N
P
X1M
1 2 3 C Low
noise
Demand
Host computer monitor panel or demand controller
SiUS34-801A_b
1,
Level Level
1, Level 2, or Level 3) for set
Outside
wiring
indicated by
dotted line.
VRVIII R-410A Heat Recovery 60Hz
2, or