Carrier 38MGRQ36D 3 Series - Page 18

18 Specifications subject to change without notice. 38MGR-04SM
WIRING DIAGRAMS (CONT)
Size 36K
Fig. 17 — Wiring Diagram 36K - 4 Zone Max
NOTE: Electronic Expansion Valve E is only available on the 48K - 5 Zone Max (see Fig. 18).
T2B
A
B
C
D
E
CN11
INDOOR
PIPE OUT
TEMP
XT2
XT3
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
12
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 SUPPLY
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
b
e 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