Carrier XCT7 40VU0051-7E-QEE - Page 23

Installation Procedures
Communication
with outdoor
Up/ Down
P (C1)Q (C2)
DC FAN
RELAY
Y/G
CN8
CN4
CN33
PUMP
CN35
CN38
EH EH TS
Y
Y
WHB
M
M
WH
F1
EH
WH
WH
RK
WH
R
G B
R
WH
WH R R
G
CN17
CN41 R
CN20
CN18
SW01
L-RXD
TTL-PC
CN26
CN27CN23CN14
HUM PM2. 5
Float Switch
UP/DOWN
WIFI
CN13
R
CN24
CN43
CN21
CN31-1
CN46-1 CN46
CN31
CN34
CN17
CN16
CN28
SST
CN36WH
485-PC
LED6
LED3
LED1
LED2
LED5
LED4
SW03
CN19
TC1
PMV
TC2 TA
CN19
CN10
CN9
CN7
CN11
Left/Right
T5A/250VAC
CN1
WH
WH
WHBL
WHL-TXD
2
10
5
R
L
N
M
BL BR
5
10
10
9
2
4
MAIN BOARD
Display Board
Wired Controller
LED
15