Mitsubishi Electric PUHZ-SHW80VHA Service Manual page 69

1 0 - 1 0 . F U N C T I O N O F S W I T C HE S , C O N N E C T O R S A N D JU M P E R S
( 1 ) F unc tion of switc h es
T y p e
N o.
F unc tion
of S witc h
switc h
1
Forced defrost *
2
Abnormal history clear
3
4
S W 1
D I P
Refrigerant address
switc h
setting *
5
6
1
Test run
S W 4
2
Test run mode setting
1
Use of ex i sting pipe
2
S W 8
No function
Separate indoor/ outdoor
3
unit power supplies
P ush
S W P
Pump down
switc h
*
1
2
*
OCH526C
A c tion b y th e switc h op eration
O N
1
Start
Clear
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
0
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
4
ON ON
2
1 2 3 4 5 6 1 2 3 4 5 6
8
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
12
Operating
Heating
Used
—
Used
Start
1
:
O F F
Normal
Normal
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
1 2
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
5 6
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
9 10
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
13 14
OFF
Cooling
Not used
—
Not used
Normal
■
E ffec tiv e timing
When compressor is working
in heating operation.*
off or operating
3
7
When power supply ON
11
15
Under suspension
Always
—
When power supply ON
Under suspension
1