Carrier 38MBRC Series Service Manual page 6

38MBRC: Service Manual
WIRING DIAGRAMS (CONT)
Sizes 48K and 58K
Notes:
Component in the dash line
CN2 CN3
Input:230VAC
U~V~W am ong phase s 0 ~250VAC
IPM&PFC DRIVE BOARD
F AN _1 F AN _2
COMP
Co nnect to F AN voltage am ong phase s 0 ~200VAC
FAN_1
3
DC FAN1
CODE
COMP
CTI
EEV
DCFAN1
DCFAN2
HEAT_D
HEAT_Y
H-PRO
L-PRO
SV
TP
T3
T4
COMP TOP
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
CN4
RED
Output:230 VAC
CT1
CN2
MAIN CONTROL BOARD
BLUE
RED
BLACK
0-5VD C
FAN_2
CN9
0-5VD C
3
CN6
10
DC FAN2
PAIQ I
CN 8
CN 9
TP
T3
T4
Fig. 4 — Wiring Diagram Sizes 48K and 58K
Table 4 — Wiring Diagram Sizes 48K and 58K Codes
Y/G
Y/G Y/G
P6 P5
CN3
BLACK
Input:230VAC
RED(WIHTE)
CN1
Y/G
BLUE/(BLACK)
P7
Output:230 VAC
P8
BROWN
/(RED/WIHTE)
-5V DC - +5V DC
CN22
BLACK
CN20
Output:230 VAC
CN19
RED
BLACK
CN25
Output:230 VAC
CN24
RED
BLUE
CN18
Output:230 VAC
CN17
BLUE
CN 15 CN 10
6 R E D
YE LLOW
R E D YE LLOW
COMP
EEV
TOP
PART NAME
Compressor
AC Current Detector
Electronic Expansion Valve
Outdoor DC Fan Motor
Chassis Heater
Crankcase Heater
High Pressure Switch
Low Pressure Switch
Reversing Valve
Comp. Discharge Temp Sensor
Coil Temp. Sensor
Outdoor Ambient Temp Sensor
COMP. Top OLP Temp Sensor
6
HEAT_D
HEAT_Y
SV
2
GRAY
YELLOW
S 1 S2
TO INDOOR COMM. BUS
NOTE: Use a 2-core
shielded wire.