46
10.1.2 WH-MXC12J9E8
CN2
CN1
W
W
BL
W
BL
BL
3
2
2
1
1
1
RY-V2
RY-HT
RY-V3
ROOM THERMO 1
OPTIONAL
ELECTRONIC CONTROLLER
(SUB1)
W
R
11
7
7
4 3
4 3
2 1
2 1
BL
R BR
B
W
BL
R BR
B
M
POOL WATER PUMP
CN-CNT (WHT)
1
5
ROOM THERMO 2
ROOM THERMO 1
MIXING VALVE 1
MIXING VALVE 2
HEAT
COOL
LN
H
E
A
T
COOL
LN
N
OPEN
N
OPEN
CLOSE
CLOSE
SOLAR WATER PUMP
ERROR SIGNAL
WATER PUMP ZONE 1
WATER PUMP ZONE 2
WATER PUMP
WATER PUMP CIRCUIT
1
2
3
4
5
AC1-L1 (BLU)
AC1-L2 (YLW)
AC1-L3
(BLK)
AC1-N
(WHT)
G
DATA
(RED)
G02
(GRN)
CN-PUMP1 (WHT)
1
4 5 6 7
AC2-L3
(BLK)
AC2-L2
(YLW)
AC2-L1
(BLU)
HT1-L3
(RED)
HT1-L2
(ORG)
HT1-L1
(BRW)
AC2-N2
(WHT)
RY-BOOSTER
RY-HT (L3)
RY-HT (L2)
SW1
SW2
BOILER CONTACT/DEFROST SIGNAL
EXTRA PUMP
BOOSTER HEATER
RY-CONTACT1
TERMINAL
REFRIGERANT
SYSTEM
GROUNDING
BOARD
BACKUP HEATER
TERMINAL BOARD
OLP
80±3°C
OLP
80±3°C
OLP
80±3°C
AC2-N1 (GRY)
ACL3 (BLK)
CN3
SSR1
BL
BR
R
O
Y
B
W
R
O
O
W
W
W
BR
BR
BL
BL
BL
GR
3
22
1
1
3
4
4
G01 (GRN)
RECTIFICATION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
ELECTRONIC CONTROLLER
(MAIN1)
HEAT
COOL
N
L
G03 (GRN)
G
G
FUSE1
T6.3A L250V
FUSE3
T3.15A L250V
NOISE FILTER
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
NOISE FILTER CIRCUIT
NOISE FILTER CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
BL
Y
B
W
POWER SUPPLY 1
3-phase AC400V 50Hz
(N)
BL
Y
B
W
(L
A1
)
(L
A2
)
(L
A3
)
RCCB
400V 25A I n=30mA
R
1
3
CN-PWR
(BLK)
ACN (WHT)
ACL (BLK)
CN209
SSR202
SSR203
CN208
SSR200
SSR201
RY201
CN201
CN202
SSR204
SSR205
SSR206
SSR207
CN203
SIGNAL
DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
CN1
CN-HT (WHT)
HEATER
2-WAY VALVE
CLOSE
OPEN
N
3-WAY VALVE
CLOSE
OPEN
N
BL
RY-HT (L1)
FUSE 2 20A 500V
A
B
22
33
11
C123
1u 50V
A
K
4
3
1
2
R1 10k
ZD2 20V
R24 10k
R25 1k
PC1
5V
C31 0.01u 16V
C93 100p 50V
EXTERNAL CONTROL 1
CN4
CONTROL
PANEL
FLOW
SENSOR
1
4
1
4
BR W B BL
FLOW
SENSOR
OR
1
4
1
4 5
1
5
1
5
BR W B
BL
BR W B
BL R
CN-FLWSEN
5V
C92 0.1u 16V
R130 10k
1
1
6
2
t˚
t˚
WATER OUTLET TEMP. SENSOR (THERMISTOR)
REFRIGERANT TEMP. SENSOR (THERMISTOR)
WATER INLET TEMP. SENSOR (THERMISTOR)
t˚
t˚
HEX WATER OUTLET TEMP. SENSOR (THERMISTOR)
5V
R140 20k 1%
C90 1u 16V
C84 1u 16V
C81 1u 16V
C73 1u 16V
R139 20k 1%
R135 20k 1%
C88 1u 16V
C91 220u 10V
G2
G2
G2
+
CN-TH1
CN-TH3
12V
C121
1u 50V
C89 1u 16V
G2
G2
C98 1u 16V
G2
C112 0.047u 25V
C108 0.047u 25V
R141 6.49k 1%
R143 6.49k 1%
5V
5V
E
C
10k
4.7k
B
5V
R125 10k
Q2
C83 0.1u 16V
R136
1k
R142
1k
*RY-BOOSTER
IC15
1
2
3
4
R126 1/2W 5%
G3
C82 1000p 50V
RY-CONTACT1
R133 1/2W 5%
15
16
14
13
5
12
6
11
7
10
4
12
SSR1
3
12V
5V
-+
*R131
*BZ1
R134
1k
OUTDOOR AIR SENSOR
TANK SENSOR
OLP BOOSTER HEATER
ROOM TEMP. ZONE 1
CN6
CN5
CN-PWR4
Black
1
2
5V_2
C222 1000p 50V
C221 1000p 50V
C282 220u 10V
+
CN-COMM
5V
CN-CNT
C48 0.1u 16V
L3
L4
12V
5V_2
5V
R86 10k
R81 10k
*C57
5
3
1
1
W
W
W W
W
W
1
4
2
1
2
B
R
1
3
CN-PWR2
Blue
CN-PWR3
Green
G6
20V
DCN Blue
DCP Red
IC204
31
2
GND
INPUT
OUTPUT
+
C246 0.82u 50V
C247 0.01u 50V
C248 1000u 25V
C244 0.01u 50V
+
C245 3300u 35V
12V
CN-PWR202
CN206
CN210
G2
G2
C294
1u 50V
12V
20V
A
K
4
3
1
2
R275 10k
ZD203
20V
G2
G2
R276 10k
C289 0.01u 16V
PC211
R277
1k
5V
5V
3
4
2
1
*R231 3.9k
C277 0.022u 50V
C29 1u 50V
*PC205
A
K
4
3
1
2
R201 10k
ZD201
20V
G2
G2
R205 10k
PC201
5V
3
4
2
1
*R225 3.9k
C276 0.022u 50V
*PC204
R227 4.7k
R218 4.7k
*R279
*R278
VCC
BIT2
BIT1
SG SIGNAL
HEAT/COOL
SWITCH
EXTERNAL
COMP. SW
1
2
3
CN-PWR204
+
5V
5V_2
C201 220u 10V
*R280
B
B
80±3°C
OLP
CN-OLP1
2
1
12V
IC9
1
2
3
4
16
15
14
13
5
6
7
12
11
10
RY-HTL3
G3
*JP8
*R11
*RY-HTL2
*RY-HTL1
*R22
*R12
*R21
*R16
*R23
C223
1u 16V
C242
1u 16V
5V
5V
R245 6.49k 1%
R234 6.49k 1%
C219
1u 16V
C285 0.047u 25V
C284 0.047u 25V
C283 0.047u 25V
C286 0.047u 25V
C217
1u 16V
C215
1u 16V
C214
1u 16V
R252 6.49k 1%
C220 220u 10V
C218
1u 16V
+
R260 6.49k 1%
R268 6.49k 1%
R243
1k
R238
1k
R235
1k
R233
1k
5V
*R265
1%
ROOM TEMP.
ZONE 2
ROOM TEMP.
ZONE 1
BUFFER TANK
SENSOR
POOL TEMP.
SENSOR
WATER TEMP.
ZONE 2
WATER TEMP.
ZONE 1
DC GND
DC 10V
DEMAND
SIGNAL
SOLAR TEMP.
SENSOR
L203
L204
CN207
R261 6.49k 1/10W
1%
C238
1u 16V
R263 1M 1/10W
1%
R264 10k 1%
R266 8.2k 1%
R269 374k 1%
C239 2200p 50V
R267 47k 1%
5V
A
K
ZD202 5.6V
5V
GROUNDING
POWER SUPPLY 1
3-phase AC400V 50Hz
(N)
(L
B1
)
(L
B2
)
(L
B3
)
RCCB
400V 25A I n=30mA
*CN204
*CN205