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Type of
No.
Switch
Switch
1
2
automatic recovery *2
SW5
3,4,5
6
1
Setting of demand
control *3
2
SW7
Max. Hz setting(cooling)
*4
3
Max. Hz setting(heating)
4
5
DIP
6
switch
1
SW9
2
3,4
1
2
3
4
SW6
5
6
7
8
5
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 not all units 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 the next page: Special function (b))
*4 Please do not use SW7-3 to 6 usually. Trouble might be caused by the usage condition.
*5 SW5-1 to 4: Function switch
(2) Function of connector
Types
Connector
Connector
CN31
OCH577A
Function
No function
Power failure
Auto recovery
No function
Model select
Max. Hz(cooling)
Max. Hz(heating)
No function
Defrost setting
For high humidity
No function
Function switch
No function
MODEL
PUZ-A18NHA6
PUY-A12NHA6
Model select
PUY-A18NHA6
PUZ-A24NHA6
PUY-A24NHA6
The black square (■) indicates a switch position.
Function
Emergency operation
Action by the switch operation
ON
—
No auto recovery
—
Following SW5-6 reference
Max. compressor frequency
SW7-1
SW7-2
(Demand switch ON)
OFF
OFF
0% (Operation stop)
ON
OFF
50%
75%
OFF
ON
0.8
o
0.8
o
—
—
Valid
—
SW6
SW5-5, 6 *
5
ON
ON
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
Action by open/ short operation
Short
Start
78
Effective timing
OFF
—
When power supply ON
—
Always
Normal
Always
Normal
Always
—
Normal
Always
—
Normal
Always
—
MODEL
SW6
SW5-5, 6 *
ON
ON
PUZ-A30NHA6
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
PUZ-A36NHA6
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
PUY-A30NHA6
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
PUY-A36NHA6
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
PUZ-A42NHA6
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
ON
ON
PUY-A42NHA6
OFF
OFF
1 2 3 4 5 6
7 8
1 2 3 4 5 6
Effective timing
Open
When power supply ON
Normal
—
—
—
—
—
5
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