42
7. Block Diagram
(INDOOR UNIT)
(OUTDOOR UNIT)
ELCB
L
N
ELCB
L
N
POWER SUPPL
Y 1
1-phase
AC230V 50Hz
POWER SUPPL
Y 2
1-phase
AC230V 50Hz
FUSE1
SUB
M 1~
RY
-V
2
2-W
AY
S
VA
LV
E
NOISE FILTER
WA
TE
R
PUMP
RY
-HT
(L3)
BACKUP
HEA
TER
BOOSTER HEA
TER
M
M 1~
RY
-V
3
SSR1
3-W
AY
S
VA
LV
E
SC
WATE
R P
UM
P
CIRCUIT
EXTRA PUMP
M 1~
SSR200
WA
TE
R
PUMP ZONE1
M 1~
SSR201
WA
TE
R
PUMP ZONE2
M 1~
SSR202
POOL WA
TE
R
PUMP
M 1~
SSR203
SOLAR WA
TE
R
PUMP
M 1~
SSR205
SSR204
MIXING VA
LV
E
ZONE1
M 1~
SSR207
SSR206
MIXING VA
LV
E
ZONE2
M 1~
RY
-BOOSTER
NOISE FILTER
NOISE FILTER
2
3
1
MS
3 ~
NOISE FILTER
SC
REACT
O
R
RELA
Y
FUSE2
FUSE1
CAPA
CITO
R CIRCUIT
PFC CIRCUIT
RECTIFICAT
ION CIRCUIT
RECTIFICAT
ION CIRCUIT
M
BASE PA
N HEAT
ER
RY
-HT2
RY
-HOT
4-W
AYS
VALV
E
CRANKCASE HEAT
ER
RY
-HT1