4.3 MGBT-D60W/RN1
Attached picture (I) Electric Drawing of Main Unit and Auxiliary Unit
XP8
XP7
XS8
XS7
T
3
B
T
3
A
HEAT_A1
PMV(B)
QUERY
CN18(WHITE）
POWER
CN20（RED）
TRANS IN
PWM
CN17
CN15（WHITE）
CN9（WHITE）
COMP.B2 COMP.A2
COMP.A1 S.V(A)
CN24
PUMP
CN16
ALARM
CN8（WHITE）
ANTI-FREEZING
CN3（YELLOW）
PH_PRO
CN2(RED)
PMV(B)
COM(I)
COM(O)
CN6
CN27 CN10 CN22 CN32
CN14
PMV(A)
CN11（RED）
POWER OUT
FANA
CN30
FANB
CN31
( Y ELLO W)
(RED)
COMP B
2
1
5
21
3
6
22
4
T3
A1
A2
T2
T1
HEAT_B
ORAN GE
H2 P 1 P2H1
XT4
S1
SW3
ICOMP-B2
XT 5
XT 6
R
T
6
R
T
7
CN23(WHITE)
ON/OFF
RT4
RT5
COMP A1
2
5
21
3
6
22
4
T3
A1
A2
T2
T1
FAN B
( U)
( V)
( W)
( U)
( V)
( W)
Y&G
4-WAY TERMINAL
XT1
P O W E R I N
Y&G
S1
16 -WAY DAI L SW ITCH F UN CTION
DA IL SWITCH
AD DRE SS
BLUE
WHITE
RED
RED
WHITE
BL UE
BL ACK
4- WAY
TE RMI NA L
HEAT
PUMP
BLU EBLU EBLU E
BLU E
YELLOW
YEL LOW
（EFFEC T ON NO .0 M OD ULE）
(ON/OFF SIGNAL!)
ELE CTR IC EX PAN SIV E
VAL VE( B )
I N - L E T W A T E R T E M P . S E N S O R
A N T I - F R E E Z I N G T E M P . S E N S O R
RED BLACK
C O N DENSER
T E M P B
C O N D E NS ER
T E M P A
TOTAL OUT-LET WATER TEMP.
UN IT OUT-LET WATER TEMP.
CR ANK
COMPRESSOR A1
Y& G
ORANGE
BLACK
WHITE
BLUE
RED
RED
BLUE
RED
WH ITE
CR ANK
COMPRESSOR B
RED
AC CONTACTOR
BLACK
WHITE
BLUE
RED
BLUE
RED
WH ITE
Y& G
Y& G
S.V (A)
4-V ALVE A
S.V (B)
4-V ALVE B
M ID D L E
W IR E J O IN T
M ID D L E
W IR E J O I NT
OR ANGE
PURPLE
BLUE
M ID D L E
W IR E J O I NT
X T7
RED
WHITE
BLUE
RED
BLACK
BLUEBLUEBLUE
BLUE
YELLOW
YELLOW
BLUE
PURP LE
RED
XP9XP9
T
4
WHIT E
Q
P
(E)
GRAY
7- WAY
TE RMI NA L
XT 2
Y
E
L
L
O
W
B
L
A
C
K
LO W VO LT AGE SIGNA L
DO N'T CO NNECT HIG H VOLTAG E!
G
R
A
Y
GRAY
W1 W2
Q
P
(E)
B
L
A
C
K
R
E
D
P RO V ID E
B Y U SE R
AC CONTACTOR
CN5
H&L_PRO
CN1(WHIITE)
PMV(A)
CN28(RED)
HEAT/COOL
CN4（RED）
WATER_PRO
CN21 CN26 CN33 CN35CN34
1 2 3
ON
3 4
SW2
1 2
OFF
T3A T3B T4 ICOMP- A2ICOMP- A1 ICOMP-B1
CN7
(BLUE)
HEAT
CN12（BLACK）
COMP.B1 S.V(B)
RED
CN19（WHITE）
TRANS OUT
L_P RO(2B)
H_P RO(B)
K1( B)
L_P RO(2A )
H_P RO(A)
CUR RENT( A2)
ORANGE
RED
H IG H P R E SS U RE
P RO T EC T O R B
L OW P RE S SU R E
P RO T EC T OR 2 B
PURPLE
L OW P RE S S UR E
P RO T EC T OR 2 A
YELLOW
H IG H P R E SS U RE
P RO T EC T OR A
T EM P P R O TE C TO R
S WI T CH A 2
T EM P P R O TE C TO R
S WI T CH B 1
K1( A1)
T EM P P R O TE C TO R
S WI T CH A 1
K1( A2)
CUR RENT(B 1)
CUR RENT( A1)
XS9
L_P RO(1B)
L_P RO(1A )
RED
L OW P RE S SU R E
P RO T EC T OR 1 B
PURPLE
L OW P RE S S UR E
P RO T EC T OR 1 A
MAIN BOARD
CURRENT BOARD
L2L3L4 L1
CN6
CN7
CN8
CN5
CN4
HEAT_A2
COMP A2
2
5
21
3
6
22
4
T3
A1
A2
T2
T1
( U)
( V)
( W)
CR ANK
COMPRESSOR A2
RED
BLACK
WHITE
BLUE
RED
BROWN
BLUE
RED
WH ITE
Y& G
AC CONTACTOR
HIGH
BLUE
HIGH
FAN A
Y& G
L3
L1
L2
PWM PRESSURE
RELIF VALVE
BROWN
LOW
BROWN
BLACKBLACK
BLUE
RED
RED
BLACK
RED
BROWN BLUE
BROWN
BROWN
BLUE
WHITE
BLACK
WHITE RED
BLACK
BLUE
S2 ON:COOL ONLY OFF:R&C
S3 ON:DIGITAL OFF:FIXED
S4 ON:H-EEPROM OFF:NORMAL
S5 ON:C-EEPROM OFF:NORMAL
S7 ON:REMOTE CONTROL OFF:WIRE CONTROL
S8 ON:LOW TEMP.MODE OFF:NORMAL
S9 ON:30KW OFF:65/130/200/260KW
S2 S3 S4 S5 S7 S8 S9
B
R
O
W
N
R
E
D
RED
ORANGE
ORANGE
O U T D O OR W I RI N G DI A G R A M
R
E
D
B
L
U
E
SW3
1 2 3
ON
3 4
SW2
1 2
ON
S2 S3 S4 S5 S7 S8 S9
SW2/SW3 FUCTION DEFINATION
ON
OFF
P RO V ID E
B Y U SE R
DEFAULT SETTING
REMOTE TURN OFF
OFF
ON/OFF
S7
ON
REMOTE FUCTION SETTING
REMOTE COOL
ON OFF
REMOTE HEAT
ON OFF
(ON/OFF SIGNAL!)
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