Carrier 38MBRC Series User Manual

38MBRC: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
6
WIRING DIAGRAMS (CONT)
Sizes 48K and 58K
Fig. 4 — Wiring Diagram Sizes 48K and 58K
Table 4 — Wiring Diagram Sizes 48K and 58K Codes
CODE PART NAME
COMP Compressor
CTI AC Current Detector
EEV Electronic Expansion Valve
DCFAN1
Outdoor DC Fan Motor
DCFAN2
HEAT_D Chassis Heater
HEAT_Y Crankcase Heater
H-PRO High Pressure Switch
L-PRO Low Pressure Switch
SV Reversing Valve
TP Comp. Discharge Temp Sensor
T3 Coil Temp. Sensor
T4 Outdoor Ambient Temp Sensor
COMP TOP COMP. Top OLP Temp Sensor
CN 15
CN 10
RED
YELLOW
L-PR O
H-PR
O
P5
CN24
CN25
CN17
FAN_1
CN18
HEAT_Y
SV
BLUE
CN4
CN2
CN3
CN1
COMP
U
V
W
Y/G
CN6
CN9
10
CN2
U
V
W
BLUE
BLACK
RED
RED(WIHTE)
RED
BLACK
CT1
DCFAN2
DCFAN1
3
3
P6
CN3
Y/G
BLACK
CN22
BLUE
Y/G
Y/G
CN 14
COMP
TOP
XT1
L2
L1
TO INDOOR UNIT
FAN_2
(2)L2
(1)L1
XT2
P8
P7
IPM&PFC DRIVE BOARD
MAIN P OWE R
SUPPLY
CN19
CN20
HEAT_D
RED
BLACK
EEV
Notes:
YELLOW
GRAY
S1
S2
2
XT3
Y/G
RED
BLACK
CN 9
T4
T3
CN 8
PAIQ I
TP
YELLOW
RED
CN 8
CN 5
BLUE/(BLACK)
BROWN
/(RED/WIHTE)
6
Input:230VAC
Output:230 VAC
-5V DC - +5V DC
Output:230 VAC
Output:230 VAC
Output:230 VAC
Input:0-5VDC
Input:0-5 VDC
Output:0-12VDC
Input:0-5VDC
Input:0-5VDC
Output:230 VAC
Input:230VAC
U~V~ W am ong phase s 0 ~250VAC
F AN _1 F AN _2
Co nnec t to F AN vo ltage am ong phase s 0 ~200VAC
0-5VD C
0-5VD C
NOTE: Use a 2-core
shielded wire.
C
omponent in the dash line
MAIN CONTROL BOARD
TO INDOOR COMM. BUS

Carrier 38MBRC Series Specifications

General

Brand	Carrier
Model	38MBRC Series
Category	Heat Pump
Language	English