Mitsubishi Electric PUHZ-HW112YHA-BS, Service Manual

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