Wiring Diagrams - Trane M4MHW17-A Installer's Manual

Wiring Diagrams

Color Key
Symbol Symbol Color
WH White
YE Yellow
RD Red
YE/GN Yellow/Green
VT Violet
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal louver for this model. The
unit will not operate without the correct jumper cap. When replacing boards the jumper cap must be moved to
the new board.
Indoor Cooling and Heat Pump Unit 9K-12K
RECEIVER AND
DISPLAY BOARD
RT1 RT2
T-SENSOR DISP1
CAP
AP2: MAIN BOARD
JUMP
PGF PG
SWING-UD
M2
M1
FAN
STEPPING
MOTOR
MOTOR
NOTE: The wiring diagrams in this guide are included as a reference. The manufacturer
has a policy of continuous product and product data improvement and reserves the right
to change design and specifications without notice. Always check the unit nameplate and
wiring diagram for the actual unit requirements.
88-M4MHW17-1B-EN
Symbol Symbol Color
GN Green
BN Brown
BU Blue
BK Black
OG Orange
OPTIONAL OPTIONAL
WIRED
CONTROLLER
CONTACT
AP3
AP1
DISP2
COM-MANUAL
(DOOR-C)
WIFI
SWING-LR
M3
LEFT-RIGHT
AP4
STEPPING
WIFI
MOTOR
MODULE
OPTIONAL
OPTIONAL
Symbol
CAP
COMP
/
/
DRY
AP5
TERMINAL
BLOCK
BU
DRY-C
N1
N(1)
BK
2
COM-OUT
BN
3
AC-L
YEGN
XT1
G
EVAPORATOR
G
ELECTRIC BOX
Installer's Guide
Name
Jumper cap
Compressor
Grounding wire
/
/
WH(BU)
BK
RD(BN)
GN(YEGN)
YEGN
31