Trane 4TXK6512G1000AA, Service Manual

Page: 42 / 187

31
BM1-1
OFF
ON
OFF
ON
OFF
ON
OFF
ON
W
IR
E
D
C
O
N
T
R
O
L
L
E
R
BM1-2 BM1-3
OFF
OFF
ON
ON
OFF
OFF
ON
ON
A
B
C
OFF
OFF
OFF
OFF
ON
ON
ON
ON
WIFI
MODULE
CN11
CN4
48000
24000
28000
36000
60000
12000
18000
9000
BTU
A
B
C
O F F
BM1-4
O N
CN14
OFF
ON
ROOMCARD
87654321
4MXC6518G1000AA
BM3
CN1
Available
Unavailable
ROOM CARD
MODEL
Reserved
Reserved
Reserved
Reserved
REMOTE
CENTRAL
CN13
FLOAT
SWITCH
O F F
O N
BM1-5
CN19
OFF
ON
87654321
UP/DOWN
SENSOR
BM1
CN35
Cool only
TEMP.
Heat pump
COOL HEAT
PIPING ROOM DC FAN
TEMP.
NOTE1.DASHED PARTS ARE OPTIONAL.
2.USERS SHOULD NOT SET BM1 AND BM3.
3.CN21 AND CN35 ARE ONLY USED ON MODEL
AB25S2SC1FA AND AB35S2SC1FA.
CN3
BM1-6
OFF
SENSOR
ON
CN6
Fault alarm
FUNCTION
Fresh air
5A/250VAC
INFRARED REMOTE
RECEIVER
CN1 CN2 CN3 CN4
CN7 CN29
LOUVER STEP MOTOR
B
B L R W Y
BM1-7
CN8
OFF
F1
CH1
W
BM1-8
CN16
CN10
ON
CN9
N
L
TYPE DEFINE
Cassette
FRESH AIR MOTOR/
EXTERNAL ALARM
OUTPUT
(Contact rating 230VAC 3A)
HEATER,CONNECT TO
THIRD PARTY RELAY
(Contact rating 230VAC 3A)
W
0150538197
1
TO OUT DOOR
B
R:RED
B:BLACK
BL:BLUE
W:WHITE
OR:ORANGE
Y/G:YELLOW/GREEN
2
DRAIN
PUMP
R
3
Y/G
4
.
W
ir
in
g
d
iag
ra
m
4
.1
4
M
X
C
6
5
1
8
G
1
0
0
0
A
A