10 Series 31XX, 32XX Furnaces | E. Temperature Controller
4. Provide a source of grounded electrical power per the (furnace/oven) data label to the
terminal block labeled “customer power” inside the control cabinet. Refer to the power
block labeling inside the control cabinet for wiring data.
CAUTION: Obey all national and local electrical code requirements.
Furnaces and control systems must be grounded and wired according to
national and local electrical codes.
5. Verify all connections are correct and in accordance with any applicable wiring codes.
E.3 Temperature Controller Operation
Although the appearance of the controllers dier, the basic operation is similar. Functional
dierences are noted in the operation sequences.
1. Turn the power “on” to the main system.
2. Turn the power “on” to the setpoint controller.
3. Bake-out the furnace according to the Pre-Operation Instructions (Section D, p.8).
4. You are now ready to tune and perform operating sequences with the controller. Refer
to the manufacturers’ literature for specic instructions.
CAUTION: Before tuning and operating the temperature controller, be sure
to read and understand the instructions in the manufacturers’ literature.
E.4 Over-Temperature Option
The over-temperature systems provide protection from over-temperature of the furnace
that may be caused by:
• Controller failure
• Shorted power controller
• Defective thermocouple
• Outside interference
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