3. Installation of outdoor unit
67 _
Heat pump
50Hz/R410A
Part 3 Design and installation
Saving Power Consumption Current level.
3.10.5 Night Silent Opeation
Night Quiet Mode operation lowers the noise level of the outdoor unit by changing the comp frequency and fan
speed. This function is operated all night long.
Setting Procedure
1. Set the Dip Switch as follow after shutting the power source down.
2. Reset the power.
Night Quiet Mode with Mode Lock.
Saving Power Consumption with Mode Lock.
Phase
1Ø
3
Ø
Model
14k 16k 18k 21k 24k
27k 30k
40k 48k 56k
42k
48k
56k
Step1(A)
889912
13 15
22 24 26
7
8
9
Step2(A)
7788101113182022
6
78
Saving Power Consumption
(step 1) + Mode Lock (Cooling)
Saving Power Consumption
(step 2) + Mode Lock (Cooling)
Saving Power Consumption
(step 1) + Mode Lock (Heating)
Saving Power Consumption
(step 2) + Mode Lock (Heating)
Mode Lock (Cooling) + Night Quiet
Mode (step 1)
Mode Lock (Cooling) + Night Quiet
Mode (step 2)
Step 1 Step 2
h Noise level :Step 1 > Step 2
• If comp frequency and fan speed are down, the cooling capacity may decrease accordingly.
• This function is only available for Cooling Mode.
• If you want to stop the Night Quiet Mode, Change the Dip Switch.
• If operating indoor unit is set by the fan speed “Power”, Night Quiet Mode will be stopped until fan speed “Power” is
changed.
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