Daikin VRV III-S RXYMQ36 48PVJU, Service Manual

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Field Setting SiUS34-907
84 Test Operation
3.2.3 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 by 2-3 dB.
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., "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., "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 (Capacity priority setting)
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