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20
Specifications subject to change without notice. 38MGR-04SM
WIRING DIAGRAMS (CONT)
Size 48K
Fig. 18 — Wiring Diagram 48K - 5 Zone Max
T2B
A
B
C
D
E
CN1
1
INDOOR
PIPE OUT
TEMP
XT2
XT3
TO
E
BROWN
BLUE
BLACK
CN21
CN16
CN13
C
E
D
IPM & PFC BOARD
MAIN BOARD
CN15 A
ELECTRONIC EXPANSIVE VALVE A
CN12
TH
CN10
RED
L-PRO
H-PRO
CN9
T4
T3
AMBIENT SENSOR
PIPE TEMP.SENSOR
D
1
2
3
4
5
CN36
P5
CN19
CN20
CN28
CN24
CN25
CN31
CN17
FAN1
CN18
HEAT_D
OPTIONAL
HEAT_Y
OPTIONAL
SV
4-WAY
BLUE
RED
BLUE
CN4
CN2
CN3
CN1
COMP
U
V
W
Y/G
Ferrite bead
CH2
CN6
CN9
10
3
CN1
CN2
L
YELLOW
YELLOW
U
V
W
BLUE
BLACK
RED
WIHTE
/RED
BLACK
RED
BLACK
Ferrite bead
CH1
CT1
DCFAN2
DCFAN1
Y/G
Y/G
DC MOTOR
DRIVER BOARD
CON1
FAN1
CN1
FAN2
3
3
P6
2
CN6
CN3
Y/G
BLACK
L2
L1
MAIN
POWER SUPPL
Y
XT1
N
L
P9
CN8
PAIQI
ORANGE
ORANGE
RED
BLACK
CH2
Ferrite bead
Ferrite bead
Ferrite bead
CH2
CH2
~
~
~
Ferrite bead
Notes:
This symbol indicates the element
is optional,the actual shape shall
be prevail.
CN34
CN32
CN27
YELLOW
S(E)
L2(E)
L1(E)
S(D)
L2(D)
L1(D)
S(C)
L2(C)
L1(C)
BROWN
BLUE
BLACK
BROWN
BLUE
BLACK
TO
D
TO
C
S(B)
TO
B
BROWN
BLUE
BLACK
CN37
CN29
B
A
L2(B)
L1(B)
S(A)
L2(A)
L1(A)
BROWN
BLUE
BLACK
TO
A
A
B
C
D
E
CN23 B
ELECTRONIC EXPANSIVE VALVE B
RED
CN26 C
ELECTRONIC EXPANSIVE VALVE C
RED
CN30 D
ELECTRONIC EXPANSIVE VALVE D
RED
CN33 E
ELECTRONIC EXPANSIVE VALVE E
RED
RED
3
3
3
3
3