4. Wiring diagram
Attached Drawing (I) Electric Drawing of Main Unit and Auxiliary Unit
XP8
XP7
XS8
XS7
T
3
B
T
3
A
HEAT_A
L_PRO(2B)
H_PRO(B)
K1(B)
1 2
ON
PMV(B)
QUERY
L_PRO(2A)
H_PRO(A)
K1(A)
CN18(WHIT E）
POWER
CN20（RED）
TRANS I N
CN15（WHITE ）
CN11（BLACK ）
COMP(B ) S.V(B)
COMP(A) S.V(A )
CN9
PUMP
CN7
HEAT
CN1（WHITE）
PMV(A)
CN2（RED）
PMV(B)
CN21
TBH2
CN3（RED）
WATER_PR O
CN5
H&L_PR O
COM(I)
COM(O)
CN6
CN8
CN10
CN12 CN13
CN14
CT1
CURRENT(A )
CT2
CURRENT(B )
PMV(A)
CN19（WHITE ）
TRANS OUT
FA N _ H
FA N _ L
(YELLOW )
(BLUE)
COMP B
2
1
5
21
3
6
22
4
T3
A1
A2
T2
T1
HEAT_B
R E D
H 2 P1 P 2H 1
X T 3
S 1
S 2
T3A T3B T 4
XT4
XT5
R
T
6
R
T
7
CN22
TBH1
T61
T62
L_PRO(1A)
L_PRO(1B)
COMP A
2
5
21
3
6
22
4
T3
A1
A2
T2
T1
FAN
( ）
(U )
(V )
(W )
(U )
(V )
(W )
Y&G
POWER IN
Y & G
S 1
1 6 -WAY DAI L SWITCH FUNC TIO N
1
2
S W ITCH
F U NCTION
D I GITA L
M O DULE
N O RMAL
M O DULE
2 - WAY J UMP SWIT C H F UNCT ION
D A I L S W ITC H
A D DRES S
R E D
W H I T E
B L U E
S 2
Q
P
(E)
GRAY
7 - WAY
T E RMINAL
X T 2
4 - WAY
T E RMINAL
H E A T
P U M P
B L U EB L U EB L U E
B L U E
Y E L L O W
Y E L L O W
Y
E
L
L
O
W
B
L
A
C
K
（E F FECT O N N O.0 M ODU L E）
(ON/OFF SIGNAL!)
L O W V O L T A G E S I G N A L
D O N ' T C O N N E C T H I G H V O L T A G E !
ORANGE
RED
ELE CTRI C EXPA N SIV E VALV E (B )
HI G H PRE S SUR E
PR O TE CTOR B
LO W P R ESS U R E
PR O TEC T O R 2 B
PURPLE
LO W P R ESS U R E
PR O TEC T O R 2 A
YELLOW
HI G H P RES S UR E
PR O TEC T O R A
TE M P P ROT E CTO R
SW I TC H A
IN-LET WATER TEMP. SENSOR
ANTI-FREEZING TEMP. SENSOR
TE M P P ROT E CTO R
SW I TC H B
LO W P R ESS U R E
PR O TEC T O R 1 B
LO W P R ESS U R E
PR O TEC T O R 1 A
RED BLACK
CONDENSER
TEMP B
CONDENSER
TEMP A
TO T A L OUT - LE T
WA T E R TEM P .
UN I T O UT- L E T
WA T E R TEM P .
C R ANK
COMPRESSOR A
Y & G
BLUE
B L ACK
AC CONTACTOR
BLACK
BLUE
RED
W H ITE
C R ANK
COMPRESSOR B
AC CONTACTOR
BLACK
BLUE
RED
W H ITE
Y & G
Y & G
S.V(A)
4-VALVE A
S.V(B)
4-VALVE B
MIDDL E
WIR E JO I N T
MIDDL E
WIR E JO I N T
PURPLE
BLUE
B
LACK
B LACK
MIDDL E
WIR E JO I N T
XT 6
WHITE
BLUE
RED
BLACK
B L U EB L U EB L U E
B L U E
Y E L L O W
Y E L L O W
O R A N G E
BLUE
P U R P L E
XP9
XS9
XP9
OUTDOOR TEMP SENSOR
T
4
XP10
XS10
WHITE
OUTDOOR WIRING DIAGRAM
GRAY
GRAY
4-WA Y TERMI N A L
XT1
W1 W2
Q
P
(E)
HIGH
N
LOW
BLACK
BALCK
BLACK
BLACK
RED
WHITE
FAN CAP
CN23（WHITE ）
ON/OFF
MIDDL E
WIR E JO I N T
XT 7
RED
PWM
CN17
PWM PRESSURE
RELIF VALVE
RED
RED RED
RED
BLACK
RED
BLUE
RY8RY7
10K
T-COMP SHORT
B E CO N NEC T E D TH E
CO R RES P ON D TE R MIN A L
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