SmartPlate EV Installation, Operation and Maintenance Manual
CHAPTER 8
– CORRECTIVE MAINTENANCE
OMM-0147_C
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8.3.3
OVER-TEMPERATURE SWITCH REPLACEMENT
The Over-Temperature switch generates an alarm when the preset temperature limit is
exceeded. Complete the instructions below to removal and replacement it.
Figure 8.3.3-1. Over-Temperature Switch & Temperature Controller
OVER-TEMPERATURE SWITCH REPLACEMENT Instructions
1. Open the Control Box to expose the body of the Over-Temp Indicator/Switch.
2. Remove the switch rear cover and loosen the terminal wiring connection screws.
Disconnect the wires.
3. To remove the Over-Temperature switch, push in the tabs of both side retaining clips,
shown below, slide toward rear and remove.
4. Insert the replacement Over-Temperature switch into the panel cutout.
5. Slide the removable retaining clip onto the replacement switch from the rear. Push the
retaining clip forward until the switch is firmly secured in the panel cutout.
6. Reconnect the wiring to the rear of the unit and tighten the terminal screws. Replace the
terminal cover.
Figure 8.3.3-2. Removing Over-Temperature Switch
7. Set the desired over-temperature alarm limit using the adjustment procedures in Section
4.3.2:
Over-Temperature Alarm Limit Adjustment
.
8. Close and secure the Control Box door.
To remove, push tab to
release clip retainer. Slide
clip back and off. Remove
assembly through front panel.
TEMPERATURE
CONTROLLER
OVER
TEMPERATURE
SWITCH
