Wiring Diagrams - Carrier 38MBR Service Manual

38MBR: Service Manual

WIRING DIAGRAMS

Size 36K
BLACK
RED
COMP
BLUE
Y/G
L
CODE
CN1~CN2
CN5~CN6
P-1
CN10~CN44
CN4~CN40
CN3~CN22
CN43
CN41~CN42
CN34
CN33
CN8
CN9
CN20
CN7
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Applicable to the units
adopting DC motor only
3
FM1
Y/G
3
4-WAY1
SV
BLUE
7
BLUE
HEAT_Y
HEAT_D
BLACK
RED
Fig. 2 — Wiring Diagram Size 36K
Table 2 — Wiring Diagram Size 36K Codes
Input: 230VAC High voltage
Output: 230VAC High voltage
Connection to the earth
Output: 230VAC High voltage Chassis Crankcase Heater
Output: 230VAC High voltage Compressor Crankcase Heat
Output: 230VAC High voltage
Output: Pin3~Pin2, Pin4~Pin2 (230 VAC High voltage) For AC FAN
Output To AC FAN Capacitor
Output:-24VDC-24VDC
Input: Pin 1 (0-5VDC),Pin 2 (5VDC) Discharge Temperature Sensor
Input: Pin3, Pin4 (5VDC),Pin2 (0VDC),Pin1,Pin5 (0-5VDC) T3 & T4
Input: Pin2, Pin4 (0VDC),Pin1,Pin3 (0-5VDC) H/L Pressure Switch
Output: Pin1-Pin4: Pulse waveform(0-12VDC),Pin5, Pin6 (12VDC)
Output: Pin1 (12VDC),Pin2 (5VDC),Pin3 (EARTH)
CN41 CN9
CN43
BLUE CN42
CN3
CN22
BLUE
RED
CN4
BLACK
CN40
RED
CN10
CN44
BLACK
7
CN7
CN5
CN6 CN34
2
XT2
S2
S1
TO INDOOR COMM. BUS
NOTE Please use 2-core
shielded wire.
PART NAME
4
EEV
CN8 CN33
5
M
CN20
P-1
CN2
CN1
BLACK
RED
XT1
(1)L1 (2)L2
L1 L2
Y/G