Daikin FXMQ50MVE [106/254] Setting of low noise operation and demand operation

Daikin FXC25LVE [106/254] Setting of low noise operation and demand operation

Si38-606 Field Setting

Test Operation 95

3.2.2 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 adapter (optional), you can lower operating noise by 2-3 dB.

When the low noise operation is carried out automatically at night (The external control

adapter 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 (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.)

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