Mitsubishi Electric TRANE NTXAMT12A112AA Service Manual page 35

Recommended circuit
1-phase
power supply
208V, 230V/60Hz
Wiring diagram
(4) Wiring restrictions
• Keep the length of the cable connecting to the circuit board of the indoor unit shorter than 10 meters (32
ft).
• Longer than 10 meters (32 ft) could cause improper operation.
• Use a transit relay when extending wiring such as remote wiring.
Specifications are subject to change without notice.
NTXAMT12, 18, 24, 30, 36A112AA
FS1
R
S
FS2
88H
FS1
R
S
FS2
88H
88H
Control board
CN24-1 or CN24-2
35 © 2022 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.
H1
H2
FS1, 2 ----- Thermal fuse
H1, H2 ----- Heater
26H
26H --------- Overheat
protection thermostat
88H --------- Electromagnetic contactor