Setting Of Low Noise Operation And Demand Operation - Daikin RXSQ24TAVJU Service Manual

Field Settings from Outdoor Unit
2.6

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 external control adaptor for outdoor unit
(optional), you can lower operating noise by 2-3 dB.
When the low noise operation is automatically carried out at night (The external control adaptor for
outdoor unit is not required)
1. While in setting mode 2, select a night-time low noise level for the item 2-22.
2. If necessary, while in setting mode 2, select a starting time of night-time low noise operation for the item 2-26.
(Use the starting time as a guide since it is estimated according to outdoor temperatures.)
3. If necessary, while in setting mode 2, select an ending time of night-time low noise operation for the item 2-27.
(Use the ending time as a guide since it is estimated according to outdoor temperatures.)
4. If necessary, while in setting mode 2, set the item 2-29 (Capacity precedence) to ON.
(If the condition is set to ON, when the air-conditioning load reaches a high level, the system enters to normal
operation mode even during night-time.)
Image of operation
Operation sound
Time set with night-time low noise start setting
Rated
Level 1
Level 2
Level 3
123
If capacity precedence is set in capacity
precedence setting, the fan speed will be
increased according to the load of air
conditioning when load is heavier.
08:00 PM 10:00 PM 12:00 PM
Set with night-time low noise start setting.
(Factory setting is 10:00 PM.)
Time set with night-time low noise end setting
Night time
Operation sound level set with
night-time low noise setting
06:00 AM
Set with night-time low noise end setting.
(Factory setting is 08:00 AM.)
SiUS331708EA
Operation sound during
night-time low noise mode
can be set with night-time
low noise level setting.
(Factory setting is OFF.)
07:00 AM 08:00 AM
Field Settings and Test Operation