Chapter 4 Applications - Brainchild L91 User Manual

Chapter 4 Application
An oven uses a single phase heater to heat the process. A single
loop temperature control C91 is used to regulate the temperature.
A limit control L91 is used to protect the process from being over
heated. The wiring diagram is shown below.
1
2
3
4
5
Reset
Button
1
2
3
4
5
Figure 4-1 High Temperature Protection with Remote Reset
42
Temperature
Control
C91-4120
Rear View
Limit Control
L91-411B
Rear View
UM0L911C
6
7
8
_
9
+
10
6
7
8
9
10
Mechanical
Contactor
L N
Heater