Carrier 38MGR Series Service Manual page 18

WIRING DIAGRAMS (CONT)
Size 36K
Notes:
This symbol indicates the element
is optional,the actual shape shall
be prevail.
NOTE: Electronic Expansion Valve E is only available on the 48K - 5 Zone Max (see Fig. 18).
18
CH2
D
Ferrite bead
RED
L
CH2
RED
Ferrite bead
CN1
CN2
CN3
CN6
CH1
BLUE
RED
BLACK
Ferrite bead
COMP
FAN1
CN9
CH2
2
Ferrite bead
CH2
3
CN1 CON1
3
Y/G 3
DCFAN2 FAN1
DCFAN1
FAN2
Y/G
TH
PIPE TEMP.SENSOR
AMBIENT SENSOR
A
B
INDOOR
C
PIPE OUT
D
TEMP
E
L-PRO
H-PRO
YELLOW
Fig. 17 — Wiring Diagram 36K - 4 Zone Max
Specifications subject to change without notice.
Y/G
P5
P6
CN4
CN3
CT1
CN1
P9
CN2
MAIN BOARD
E
3
CN13
D
3
CN16
10
CN6
C
3
CN21
B
3
CN29
A
3
CN37
T3
T4
CN20
BLACK
CN19
RED
ORANGE
RED CN25
CN24
RED
ORANGE
RED
BLUE
CN18
RED
CN17
BLUE
RED
CN28
CN31
RED
CN36
CN32
CN27
CN34
Ferrite bead
OPTIONAL
HEAT_D
HEAT_Y
OPTIONAL
4-WAY
SV
38MGR-04SM