Mitsubishi Electric PUHZ-SHW80YAA Service Manual page 41

9-7. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
(1) Function of switches
PUHZ-SHW80VAA.UK
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PUHZ-SW75VAA-BS.UK
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PUHZ-SW75YAA-BS.UK
Type
No.
Switch Function
of
switch
1
Manual defrost *
2
Abnormal history clear
3
4
Refrigerant address
setting
SW1
DIP 5
switch
6
1
No function
SW4
2
No function
1 Use of existing pipe
2
SW8
No function
Separate indoor/outdoor
3
unit power supplies
Push
SWP
Pump down
switch
1
2
OCH651
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PUHZ-SW100VAA-BS.UK
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PUHZ-SW100YAA-BS.UK
Action by the switch operation
ON
1
Start
Clear
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
0 1
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
4 5
—
—
Used
—
Used
Start
1
:
OFF
When compressor is working
Normal
in heating operation.*
Normal
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
When power supply ON
2 3
—
—
Not used
—
Not used When power supply ON
Normal
Effective timing
1
off or operating
—
—
Always
—
Under suspension