Typical Control Box Layout - Trane ReliaTel Diagnostic Manual

Typical Control Box Layout

Figure 12. Typical Control Box Layout (3-5 tons)
Thermostat
or
Zone Sensor
RT-SVD03G-EN
Ignition Module
(IGN)
ReliaTel Refrigeration
Module (RTRM)
Crankcase
Heater
Thermostat
Inducer
transformer
Zone sensor or
(460/575 only)
thermostat connections
TCI (or LCI)
Communication Fan Relay
Compressor
Module
Contactor
24 VAC control
transformer
Low Voltage terminal strip
TEST 1
24 VAC
OD Fan
Capacitor
Test Terminals
TEST 2
Compressor 1 Disable
Compressor 2 Disable
Immediate Shutdown,
Automatic Reset
21