Chromalox IntelliTrace ITC 1 - Customer Wiring Connections; Main Board Wiring Guide; 2-Circuit Ambient Sensing Wiring Guide

26
Power, Heater, Alarms & Sensors
These connections are facilitated via the main ITC Board(s)
Customer Wiring
RTD 1
INPUT
EARTH
HEATER
HEATER
AC LOW
AC HIGH
RTD 2
INPUT
LOAD
Max 40 Amps
RTD 2A RTD 2B
COM
–
+
SENSOR
INPUTS
COM
–
+
Shield
Ground
Only
Shield
Ground
Only
RTD 1
INPUT
EARTH
HEATER
HEATER
AC LOW
AC HIGH
DC
ALARM
RTD 2
INPUT
AC
ALARM
ALARM
OUTPUTS
+
–
LOAD
LOAD
LOAD
Max 40 Amps
RTD 1A RTD 1B
COM
–
+
SENSOR
INPUTS
COM
–
+
Circuit 1
Main ITC Board
AC INPUT
100-277 VAC
Breaker must be
rated at 125% of
max heater load,
but not to exceed
50 Amps
AC
12 -240 VAC
Customer Supplied
DC
0 - 42 VDC
Customer Supplie
d
Upper board
applicable on 2
circuit units only
2-Circuit Ambient Sensing Control:
T
o control both circuits with one RTD, the
Sensor
MUST be wired to RTD 1A INPUT on
Circuit 1 Main ITC Boar
d
Shield
Ground
Only
Shield
Ground
Only
AC INPUT
100-277 VAC
Breaker must be
rated at 125% of
max heater load,
but not to exceed
50 Amps
Circuit 2
Main ITC Board
White
Red
Re
d
Com
-
(RBF Type RTD Sensor)
RTD Wiring
+