Daikin VRV III, Руководство по обслуживанию, Страница: 122 / 567

SiUS34-801A_b Field Settings
VRVIII R-410A Heat Pump 60Hz 107
the low-noise operation input terminal on the terminal block (X1M). (Refer to the figure 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 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.)
B. When the 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 nighttime low noise 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 nighttime 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 nighttime 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 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.)
To other external control adaptor
for outdoor unit
Host computer monitor panel or demand controller
Demand
2
P
Outside
wiring
indicated by
dotted line.
3
If carrying out demand or low-noise input, connect the terminals
of the external control adaptor for outdoor unit as shown below.
F1
F2
N
1 C
X1M
Low
noise