57
OCH721A
CN31
Types
Connector
Function
Effective timing
Connector
Start
Short
Open
Action by open/ short operation
Emergency operation
When power supply ON
Normal
(2) Function of connector
*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 is setting change over of Demand/Low noise. It is effective only in the case of external input.
(Local wiring is necessary. Refer to the next page: Special function)
*4
Please do not use SW7-3 to 7-6 usually. Trouble might be caused by the usage condition.
Type of
Switch Switch No.
Function
Action by the switch operation
Effective timing
ON
OFF
DIP
switch
SW5
1
No function
—
—
—
2
Power failure
automatic recovery *
2
Auto recovery
No auto recovery
When power supply ON
3,4,5
No function
—
—
—
6
Mode select
Following SW5-6 reference
SW7*
4
1
Mode select *
3
Demand function
Low noise mode
Always
2
No function
—
—
—
3
Max Hz setting (cooling)
Max Hz (cooling)
o
0.8
Normal
Always
4
Max Hz setting (heating) Max Hz (heating)
o
0.8
Normal
Always
5
No function
—
—
—
6
Defrost setting
For high humidity
Normal
Always
SW9
1
No function
—
—
—
2
Function switch
Valid
Normal
Always
3, 4
No function
—
—
—
SW6
1
No function
—
—
—
2
3
4
Model select
12
34
56
78
MODEL
SW6
OFF
ON
24N
12
34
56
SW5
OFF
ON
5
6
7
8
SW5
6