Electrical Wiring Diagram - Trane MWC518 Installation & Operation Manual

Electrical Wiring Diagram

XT1
N
Power supply
L
3 Yellow/green
Communication wire
Communication wire
AP2
Wired controller
Note: CN7 is screen printing of
main board electronic expansion
valve. Tie and fix external wire
of expansion valve. Do not touch
high temperature or wet objects.
22
L
2 Blue
1 Brown
L
CN2 CN1
CN15
FUSE:50T 3.15A 250V~
CN16
CN17
CN4
9 7 5 1
3
White
White
M1
Yellow/green
Fan
E
Swing motor
Limit switch
SA2
EXV
Black Black
X3 20Red
21Black
22Black
CN7
CN11
AP1
PCB
CN3
CN8
CN5
C
TC
M2
Power transformer
Water pump
Cassette indoor unit
Limit switch
M3
SA1
X4
19White
CN21
CN20
CN10
CN19 1
2
CN12
3
CN13
CN9
CN18 4
Evaporator
AP2
Ambient
temperature
RT1 sensing bulb
Outlet
temperature
RT2
sensing bulb
Midpoint
temperature
RT3
sensing bulb
Inlet
temperature
RT4
sensing bulb
17 Yellow/green
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AMS-SVX02A-EN