Trane 18 Series Installer's Manual page 34

Installer's Guide
Outdoor Heat Pump Unit 24K
WARNING
Please don't touch any terminal when the
voltage of terminal P(DC+) and N(DC-) at
AP1 is higher than 30V to prevent the
risk of electrical shock!
TERMINAL
TERMINAL
BLOCK
BLOCK
2
3
XT
G
L1 L2
POWER
63633617
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.
34
RT4
BK
BU
MANUAL
BK
2
COM_INNER
BN
3
L1 L5
BN
L1
AC_L
L1 L5
BU
L2
N
MAGNETIC
G
HEAT
RING
PE
XT1
YEGN
RD
YEGN
G
EH
G
BOTTOM
BOND HEATER
RT1 RT2 RT3
20K 15K 50K
WH BK
T_SENSOR OVC_COMP
AP1
PRINTED CIRCUIT BOARD
4V FA OFAN
RD
VT VT
M
EKV
FAN MOTOR
4YV
ELECTRONIC
4-WAY
EXPANSION
VALVE
VALVE
OVERLOAD PROTECTOR
WH
SAT
COMP.
WH
G
YEGN
U
COMP
V
W
MAGNETIC
RING
L2 L2 L2
BU YE RD
X1
BU YE RD
U(BU) V(YE) W(RD)
INDC1 INDC2
WH
OG
L3
G
MAGNETIC
RING
L4 L4
L
YEGN
REACTOR
G
88-M4MHW18-1C-EN
G