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49
OCH727
*
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.
Switch
Type
of
switch
DIP
switch
SW1
1
2
No.
Function
Effective timing
Action by the switch operation
Manual defrost *
1
Start
Normal
When compressor is working
in heating operation.*
1
Abnormal history clear
Refrigerant address
setting
When power supply ON
Clear
Normal
off or operating
6
5
4
3
SW4
SW8
1
2
1
2
3
No function
No function
No function
No function
—
—
—
—
—
—
—
—
—
—
—
Separate indoor/outdoor
unit power supplies
Used
Not used
—
When power supply ON
ON
OFF
1 2 3
0
1
2
3
4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3
4
5
4 5 6
ON
1 2 3 4 5 6
ON
9-7. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
(1) Function of switches
PUZ-WM50VHA.UK PUZ-WM60VAA.UK PUZ-WM85VAA.UK
PUZ-WM50VHA-BS.UK PUZ-WM60VAA-BS.UK PUZ-WM85VAA-BS.UK
PUZ-WM85YAA.UK PUZ-WM112VAA.UK PUZ-WM112YAA.UK
PUZ-WM85YAA-BS.UK
PUZ-WM112VAA-BS.UK
PUZ-WM112YAA-BS.UK
The black square (
■
) indicates a switch position.
Type of
Switch
Switch
No.
Function
Action by the switch operation
Effective timing
ON
OFF
DIP
switch
SW1
1
Manual defrost *1
Start
Normal
When compressor is working
in heating operation.*1
2
Abnormal history clear
Clear
Normal
off or operating
3
Refrigerant address
setting
When power supply ON
4
5
6
SW4
1
No function
—
—
—
2
No function
—
—
—
SW8
1
No function
—
—
—
2
No function
—
—
—
3
Separate indoor/outdoor
unit power supplies
Used
Not used
When power supply ON
SW5
1
No function
—
—
—
2
Power failure
automatic recovery*
2
Auto recovery
No auto recovery
When power supply ON
3,4,5,6
No function
—
—
—
SW7*
3
1,2,3
No function
—
—
—
4
No function
—
—
—
5
No function
—
—
—
6
Defrost setting
For high humidity
Normal
Always
SW9
1
No function
—
—
—
2
No function
—
—
—
3,4
No function
—
—
SW6
1
Model select
2
3
4
5
6
7
8
PUZ-WM60/85/112VAA
PUZ-WM50VHA
PUZ-WM85/112YAA