70
ELECTRICAL WIRING
ENGLISH
Night Low Noise Function
In cooling mode, this function makes the ODU fan operate at low RPM to reduce the fan noise of
ODU at night which has low cooling load.
Night low noise function setting method
RPM/ Time Settings
Noise
Reference of Cooling Capacity Table
* Reducing noise by changing ODU RPM,
cooling capacity may go down. Please refer
to the following table.
Master unit PCB DIP switch on : No.5
Select the mode using ‘
▶
’, ‘
◀
’ Button :
“Func” Push the ‘
●
’ button
Select the Function using ‘
▶
’, ‘
◀
’ Button :
“Fn3” Push the ‘
●
’ button
Select the Option using ‘
▶
’, ‘
◀
’ Button :
“op1~op14” Push the ‘
●
’ button
Start the Night low noise function :
Save the selected option value in EEPROM
Capacity
Cooling Only
UX5
UX6
Step
Noise(dB)
op1~op3, op10
55
59
op4~op6, op11
52
56
op7~op9, op12
49
53
op13
55
55
op14
50
50
CAUTION
• Request installer to set the function during installation.
• If setting the op 13,14 the cooling capacity may go down. When high load occurs at indoor, do
not use this function.
!
HP
10
12
14
16
18
20
22
Step
op13
98
87
67
60
54
48
44
op14
78
69
55
49
44
39
35
Step
Judgment Time
(Hr)
Operation
Time(Hr)
op1
8
9
op2
6.5
10.5
op3
5
12
op4
8
9
op5
6.5
10.5
op6
5
12
op7
8
9
op8
6.5
10
op9
5
12
op10
0
Continuous
operation
op11
0
op12
0
op13
6.5
10.5
op14
6.5
10.5
Содержание MULTI V IV PRO ARUV840LLN4
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