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Type of
No.
Switch
Switch
1
SW5
2
3,4,5,6
1
2
Max. Hertz setting (cooling)
3
SW7 *
4
4
Max. Hertz setting (heating)
5
DIP
6
switch
1
SW9
2
3,4
1
2
3
4
SW6
5
6
7
8
SW5
6
*2 "Power failure automatic recovery" can be set by either remote controller or this DIP SW. If one of them is set to ON,
"Auto recovery" activates. Please set "Auto recovery" basically by remote controller because all units do not have DIP SW.
Please refer to the indoor unit installation manual.
*3 SW7-1,2 are used for demand control. SW7-1,2 are effective only at the demand control.
(Refer to next page: Special function (b))
*4 Please do not use SW7-3−6 usually. Trouble might be caused by the usage condition.
(2) Function of connector
Types
Connector
Connector
CN31
OCH754A
Function
No function
Power failure
automatic recovery*
2
No function
3
Model select*
No function
Max. Hertz (cooling)
Max. Hertz (heating)
No function
Defrost setting
No function
No function
No function
Model select
Function
Emergency operation
Action by the switch operation
ON
—
Auto recovery
No auto recovery
—
Demand function
Low noise mode
—
0.8
o
0.8
o
—
For high humidity
—
—
—
MODEL
SW6
ON
24N
OFF
4 5 6 7 8
ON
30N
OFF
4 5 6 7 8
ON
36N
OFF
4 5 6 7 8
Action by open/ short operation
Short
Start
61
Effective timing
OFF
—
When power supply ON
—
Always
—
Always
Normal
Normal
Always
—
Normal
Always
—
—
—
Effective timing
Open
When power supply ON
Normal
—
—
—
—
—
—
—
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Troubleshooting
