(Red) –
+
T/C
1
2
3
4
5
6
7
8
9 10 11 12 13 14
OUT 1
Power Input
+
–
ALM 1
Alarm/Cooling
Output
3A/240VAC max
1
2
3
4
+
Solid State
Relay
Load
N
L
Heater Power
Hot
Fuse
Heater
Fuse
This diagram can also be used
for controls with 4-20mA output.
(Red) –
+
T/C
1
2
3
4
5
6
7
8
9 10 11 12 13 14
OUT 1
Power Input
ALM 1
o
o
o
o
o
o
o
o
o
Coil
Three Phase
Heaters
Heater
Fuses
Three
Phase
Power
Fuse
Alarm/Cooling Output
3 A/240VAC max
Hot
Neutral
Three Pole
Magnetic
Contactor
Figure 4.6
Example of wiring connections for
ETR-3200-1321
SSR Output with Alarm
Figure 4.7
Example of wiring connections for
ETR-3200-1221 with three phase Delta
Heater Load and Alarm/Cooling
NOTE: The use of motor starters in place of
magnetic contactors should be avoided. They
have very large inductive loads that can
damage the controller’s relay.