Trane 5MXCA003AC6HCA - Page 21

19
3.6.2.2 Alarm wiring
GAS
FURNACE
A2L detection sensor
RS485 communication port
Leak Mitigation Kit
Outdoor Unit connection
THERMOSTAT
THERMOSTAT
ODU
RS485
R
C
W1
W2
Y1
Y2
G
R
C
W1
W2
Y1
Y2
G
R C W1 W2 Y1 Y2 G B
C
Y1
Y2
B
R C W1
W
C Y1 Y2
B
W
W2 Y1 Y2 G B
WARNING
The rated operating condition of ALARM is 24 V AC/1 A or 30 V DC/1A or 250 V AC/1 A.
The type of wiring for ext output should use cables of AWG 18 (Min. AWG 18).
CN34
Alarm output
wires
Central monitor
WARNING
Tightening the rubber ring after wiring for insect
protection.