Carrier 38MFC - Page 11

11
WIRING DIAGRAMS (CONT.)
CN
10
B
CN3
CN2
CN15
CN16
5
WHITE
WHITE
BLACK
BLACK
BLACK
BLACK
20 20 37 5A5477
CN28
CN26
CN34
CN33
RED
BLACK
BLUE
4
L2
N-A
RY3
CS
U
V
W
U
V
W
Y/G
RED
BLUE
BLACK
CN6
CN7
CN5
CN4
L N S
BROWN
BLUE
YELLOW
Y/G
Y/G
L
N
GND
Y/G
Power Input
INDOOR WIRING DIAGRAM
M
CN5
YELLOW
RED
DISPLAY BO ARD
5
CN10A
CN11
CN8
CN9
P_1
8
CN16
L_IN
L1
L2
S
GND
HEATER, CRANKCASET
2020328A7163
Dashed frame parts only for heat pump model.
M
~
3(2)
3
Optional
CN2
CODE PART NAME
L_IN FireWire L input terminal CN11 Zero line N input terminal CN16 Internal and external communication line interface CN6 Indoor fan interface CN4 Fan feedback interface CN5 Stepper motor interface P_1 Ground interface CN8 Room temperature sensor interface CN9 Pipe temperature sensor interface CN10A Display interface CN14 Compressor top temperature sensor (optional) CN15 Exhaust temperature sensor CN16 Outdoor temperature & condenser pipe temperature sensor CN26,CN28 Four way valve control port CN10 AC fan output port CN32,CN34 Electric heating wire line N CN31,CN33 Electric heating wire line L CN4 Power L input terminal CN5 Power N input terminal CN6 Ground wire CN7 Communic ation line N-B Power L input terminal CN2,CN3 Reactor connected line port CN17 Test panel interface U V W Compressor connection port
OUTDOOR WIRING DIAGRAM
Fig. 7 – Wiring Diagram 38/40MFC/MFQ012 (208-- 230V)