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7. Block Diagram
7.1 WH-SDC09H3E8
WH-UD09HE8
REACT
O
R
RELA
Y
PTC
RELA
Y
REACT
O
R
FUSE3
M
FUSE2
FUSE201
4-W
AY VA
LVE
RECTIFICAT
ION
CIRCUIT
RECTIFICATION
CIRCUIT
M
HEAT
ER
RY-H
T2
RY-H
OT
HEAT
ER
RY-H
T1
RY
-PWR2
FUSE202
FUSE203
SC
MS
3~
RECTIFICATION CIRCUIT
OUTDOOR UNIT
INDOOR UNIT
5
1
2
3
4
RCCB
L1
L2
L3
N
POWER SUPPL
Y
1
3-phase
AC400V 50Hz
ELCB
N
L
POWER SUPPL
Y
2
1-phase
AC230V 50Hz
FUSE1
NOISE FILTER
FUSE2
NOISE FILTER
NOISE FILTER
W
A
TER
PUMP
SC
WA
TER PUMP
CIRCUIT
M
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
R
Y
-HT
(L1)
R
Y
-HT
(L2)
R
Y
-HT
(L3)
BACKUP
HEA
TER
BOOSTER HEA
TER
R
Y
-BOOSTER
EXTRA
PUMP
W
A
TER
PUMP
ZONE1
W
A
TER
PUMP
ZONE2
POOL
W
A
TER
PUMP
SOLAR
W
A
TER
PUMP
MIXING
VA
LV
E
ZONE1
MIXING
VA
LV
E
ZONE2
SUB
R
Y
-V3
SSR1
SSR200
SSR201
SSR202
SSR203
SSR204
SSR205
SSR206
SSR207
3-W
A
YS
VA
LV
E
R
Y
-V2
2-W
A
Y
S
VA
LV
E
NOISE
FIL
T
ER