Trane 18 Series Installer's Manual page 32

Installer's Guide
Indoor Unit 18K
RT1 RT2
T-SENSOR
CAP
AP2: MAIN BOARD
JUMP
DC-MOTOR SWING-UD
M2
M1
FAN STEPPING
MOTOR MOTOR
Indoor Unit 24K
RT1 RT2
T-SENSOR
CAP
JUMP
DC-MOTOR SWING-UD
M1
FAN STEPPING
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.
32
WIRED
CONTROLLER
AP3
RECEIVER AND
DISPLAY BOARD
AP1
CONNECTOR
DISP1 DISP2 COM-MANUAL
COM-OUT
WIFI
EVAPORATOR
AP4
WIFI
ELECTRIC BOX
MODULE
WIRED
CONTROLLER
AP3
RECEIVER AND
DISPLAY BOARD
AP1
CONNECTOR
DISP1 DISP2 COM-MANUAL
COM-OUT
AP2: MAIN BOARD
WIFI
EVAPORATOR
M2
AP4
WIFI
ELECTRIC BOX
MOTOR MODULE
WARNING
Please don't touch any electronic
component and terminal when the
machine is running , stopping or has
been powered off for less than 3
minutes to prevent electric shock !
TERMINAL
BLOCK
BU
WH(BU)
N(1)
N
BK BK
2
BN
RD(BN)
3
AC-L
YEGN GN(YEGN)
CONNECTING
XT1
CABLE
YEGN
G
6361000044201
G
WARNING
Please don't touch any electronic
component and terminal when the
machine is running , stopping or has
been powered off for less than 3
minutes to prevent electric shock !
TERMINAL
BLOCK
BU
N(1)
N
BK
2
BN
3
AC-L
YEGN
CABLE
XT1
YEGN
G
G
6361000012101
TERMINAL
BLOCK
N(1)
2
3
L1
L2
G
88-M4MHW18-1C-EN