Function Of Swithes, Connectors And Jumpers - Mitsubishi Electric PUZ-WM50VHA Service Manual

9-7. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
(1) Function of switches
PUZ-WM50VHA.UK
PUZ-WM50VHA-BS.UK
PUZ-WM85YAA.UK
PUZ-WM85YAA-BS.UK
Type
No.
Switch
of
switch
Type of
Switch No.
1
Switch
1
2
2
3
3
SW1
4
4
SW1
5
DIP 5
switch
6
6
1
SW4
2
1
1
SW4
2
2
SW8
1
3
SW8 2
1
DIP 3
SW5 2
switch
3,4,5,6
1,2,3
4
SW7* 3
5
6
1
SW9 2
3,4
1
2
3
4
SW6
5
6
7
8
* 1 Manual defrost should be done as follows.
1 Change the DIP SW1-1 on the outdoor controller board from OFF to ON.
2 Manual defrost will start by the above operation 1 if all these conditions written below are satisfied.
• Heat mode setting
• 10 minutes have passed since compressor started operating or previous manual defrost finished.
• Pipe temperature is less than or equal to 8:.
Manual defrost will finish if certain conditions have been satisfied.
Manual defrost can be done if above conditions have been satisfied when DIP SW1-1 is changed from OFF to ON.
After DIP SW1-1 is changed from OFF to ON, there is no problem if DIP SW1-1 is left ON or changed to OFF again. This
depends on the service conditions.
* 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 Please do not use SW7-3, 4 ,6 usually. Trouble might be caused by the usage condition.
OCH727
PUZ-WM60VAA.UK
PUZ-WM60VAA-BS.UK
PUZ-WM112VAA.UK
PUZ-WM112VAA-BS.UK
Function
Function
Manual defrost * 1
Manual defrost *1
Abnormal history clear
Abnormal history clear
ON
Refrigerant address
Refrigerant address
setting
setting
ON
No function
No function
No function
No function
No function
No function
No function
Separate indoor/outdoor
unit power supplies
No function
No function
Separate indoor/outdoor
Power failure
unit power supplies
automatic recovery* 2
No function
No function
No function
No function
Defrost setting
No function
No function
No function
Model select
Action by the switch operation
The black square (
ON
Action by the switch operation
ON
Start
Start
Clear
Clear
ON
1 2 3 4 5 6 1 2 3 4 5 6
0 1
ON
1 2 3 4 5 6 1 2 3 4 5 6
3 4
—
—
—
—
—
—
—
Used
—
—
Used
Auto recovery No auto recovery
—
—
—
—
For high humidity
—
—
—
PUZ-WM50VHA
PUZ-WM60/85/112VAA
PUZ-WM85/112YAA
49
PUZ-WM85VAA.UK
PUZ-WM85VAA-BS.UK
PUZ-WM112YAA.UK
PUZ-WM112YAA-BS.UK
■
) indicates a switch position.
OFF
Effective timing
OFF
Normal
When compressor is working
Normal
Normal
in heating operation.*1
Normal off or operating
ON
1 2 3 4 5 6
2
When power supply ON
ON
1 2 3 4 5 6
5
—
—
—
—
—
—
—
Not used When power supply ON
—
—
Not used
When power supply ON
—
—
—
—
Normal
—
—
Effective timing
When compressor is work
in heating operation.* 1
off or operating
When power supply O
—
—
—
—
—
—
—
—
—
When power supply O
—
—
—
—
Always
—
—
—