Noise - Mitsubishi Electric PUZ-A12NKA7 Service Manual

Type of
Switch No.
Switch
1
SW5 2
3,4,6
1
2
3
SW7
*4
4 Max Hz setting (heating)
5
6
1
SW9 2
3,4
1
DIP
switch
2
3
4
SW6
5
6
7
8
SW5 5
*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 is setting change over of Demand/Low noise. It is effective only in case of external input.
(Local wiring is necessary. Refer to the next page: Special function)
*4 Please do not use SW7-3 to 6 usually. Trouble might be caused by the usage condition.
*5 SW6-1 to 3, SW5-1 to 4, 6: Function switch
(2) Function of connector
Types
Connector
Connector CN31
OCH636A
Function
No function
Power failure
automatic recovery *2
No function
Mode select *3
No function
Max Hz setting (cooling)
No function
Defrost setting
No function
Function switch
No function
No function
Model select
Function
Emergency operation
Action by the switch operation
ON
—
Auto recovery
—
Demand function
—
Max Hz (cooling) o 0.8
Max Hz (heating) o 0.8
—
For high humidity
—
Valid
—
MODEL SW6
ON ON
PUZ-A12NKA7
OFF OFF
1 2 3 4 5 6 7 8
ON ON
PUY-A12NKA7
OFF OFF
1 2 3 4 5 6 7 8
ON ON
PUZ-A18NKA7
OFF OFF
1 2 3 4 5 6 7 8
ON ON
PUY-A18NKA7
OFF OFF
1 2 3 4 5 6 7 8
ON ON
PUZ-A24NHA7
OFF OFF
1 2 3 4 5 6 7 8
ON ON
PUY-A24NHA7
OFF OFF
1 2 3 4 5 6 7 8
The black square (■) indicates a switch position.
Action by open/ short operation
Short
Start
71
Effective timing
OFF
—
No auto recovery When power supply ON
—
Low noise mode
—
Normal
Normal
—
Normal
—
Normal
—
SW5-5, 6 *
5 MODEL SW6
ON
PUZ-A30NHA7
OFF
1 2 3 4 5 6
1 2 3 4 5 6
ON
PUY-A30NHA7
OFF
1 2 3 4 5 6
1 2 3 4 5 6
ON
PUZ-A36NKA7
OFF
1 2 3 4 5 6
1 2 3 4 5 6
ON
PUY-A36NKA7
OFF
1 2 3 4 5 6 1 2 3 4 5 6
ON
PUZ-A42NKA7
OFF
1 2 3 4 5 6
1 2 3 4 5 6
ON
PUY-A42NKA7
OFF
1 2 3 4 5 6
1 2 3 4 5 6
Open
When power supply ON
Normal
—
—
Always
—
Always
Always
—
Always
—
Always
—
SW5-5, 6 * 5
ON
OFF
7 8 1 2 3 4 5 6
ON
OFF
7 8 1 2 3 4 5 6
ON
OFF
7 8 1 2 3 4 5 6
ON
OFF
7 8 1 2 3 4 5 6
ON
OFF
7 8 1 2 3 4 5 6
ON
OFF
7 8 1 2 3 4 5 6
Effective timing