Trane BAY24VRPAC52DC - Page 23

RELAY PANEL
18-HD68D1-10 23
11 - Package 1 or 2 Stage Heat Pump w/Variable Speed Blower
NOTES:
1. Remove “R” to “BK” jumper and clip all “Y”
connections at the integrated motor control board
(ICMC) to enable pulse width control of the variable
speed indoor blower. Ensure clipped wires are
capped and taped off.
1
SOV
STG2
STG1
STG1
STG3
STG2
FA N
PWM
HUM
HUM
AUX1
AUX1
AUX2
AUX2
24V
ONLY
24V
ONLY
24V
ONLY
O
Y1
Y2
W1
W2
W3
G
BK
HUM*
HUM*
AUX1*
AUX1*
AUX2*
AUX2*
RELAY PANEL
R
B
O
Y2
Y/Y1
W1
W2/X2
G
PACKAGE UNIT
BK
COMMUNICATING
CONTROL
D R B
D
R
B
*See note on page 7 regarding HUM and AUX
terminals.
Caution: Do not run Outdoor/Remote sensor wires in
the same bundle with HVAC wires. Also, keep away
from high voltage wiring to avoid interference.
Diagram 13 - Package 1 or 2 Stage Heat Pump w/Variable Speed Blower
Diagram 14 - Package 1 Stage Heat Pump w/Non-Variable Speed Blower
12- Package 1 Stage Heat Pump w/Non-Variable Speed Blower
SOV
STG2
STG1
STG1
STG3
STG2
FA N
PWM
HUM
HUM
AUX1
AUX1
AUX2
AUX2
24V
ONLY
24V
ONLY
24V
ONLY
O
Y1
Y2
W1
W2
W3
G
BK
HUM*
HUM*
AUX1*
AUX1*
AUX2*
AUX2*
R
B
O
Y1
W1
W2/X2
G
PACKAGE UNIT
COMMUNICATING
CONTROL
D R B
D
R
B
*See note on page 7 regarding HUM and AUX
terminals.
Caution: Do not run Outdoor/Remote sensor wires in
the same bundle with HVAC wires. Also, keep away
from high voltage wiring to avoid interference.