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SiUS28-902_a
Field Setting
Test Operation
60
3.3
Detail of Setting Mode
3.3.1 Cool / Heat Mode Switching
The Cool / Heat Mode switching is carried out by remote controller fitted to indoor unit.
This setting is not required for normal operation. (Factory set)
3.3.2 Setting of Low Noise Operation and Demand Operation
Setting of Low Noise Operation
By setting the low noise operation input to the outdoor unit P.C.B., you can lower operating
noise by 2-3 dB.
The low noise operation is carried out automatically at night. (The external control
adapter for the outdoor unit is not required.)
1. While in "Setting mode 2", select the setting condition (i.e., "Mode 1", "Mode 2", or "Mode 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., "PM 8:00", "PM
10:00", or "PM 0:00") 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., "AM 6:00", "AM
7:00", or "AM 8:00") 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.)
Image of operation
Setting
Content
Mode 1
Set the outdoor unit fan to Step 6 or lower.
Mode 2
Set the outdoor unit fan to Step 5 or lower.
Mode 3
Set the outdoor unit fan to Step 4 or lower.
Rated operation
sound
Operation sound during
nighttime low noise mode
can be set with
Nighttime
Low Noise Level
setting.
Содержание SkyAir FCQ18PVJU
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