(Red) –
+
T/C
1
2
3
4
5
6
7
8
9 10 11 12 13 14
OUT 1
Load
3 Amp/240VAC
Max. for Relay
1A for Triac
Power Input
Hot
Fuse
Neutral
B
B
A
9 10 11
Three-Wire RTD
Connections
Standard to All Models
(Red) –
+
T/C
1
2
3
4
5
6
7
8
9 10 11 12 13 14
OUT 1
Power Input
ALM 1
Load & Alarm/Cooling
3A/240VAC
Max. for Relay
1A for Triac
Hot
Fuse
Neutral
Figure 4.4
Example of wiring connections for
ETR-3200-1211 Single Relay Output
No Alarm or Cooling
Figure 4.5
Example of wiring connections for
ETR-3200-1221 Heating Output
with Alarm/Cooling
Typical Wiring Diagrams
CAUTION
SHOCK
HAZARD