Hubbell Electric Heater Company E - Manual (Page 13)

13
SECTION V -
SERVICING & REPLACEMENT OF PARTS
WARNING / CAUTION
Before servicing or replacing any part make sure to turn the power supply switch to the OFF position.
SURFACE TEMPERATURE HIGH LIMIT CUT-OFF
1. Disconnect power from unit.
2. Remove access cover.
3. Disconnect the four (4) 14 gauge wires or three (3) 14 gauge wires and a jumper, as required.
Control Wires High-Limit Cut-Off Switch
Manual Reset Control Wires
Temperature Controller
4. Disconnect the high-limit cut-off switch from the temperature controller by pulling the cut-
off switch up and away from temperature controller.
5. Replace control and install new high limit switch by performing above steps in reverse order.