Hubbell Electric Heater Company CE110 - Manual (Page 14)

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.
Control Wires
4. Remove the two (2) mounting screws.
5. Replace control and install new high limit switch by performing above steps in reverse
order; refer to wiring diagram in Section II. Torque screws per chart in back
HEATING ELEMENT
1. Disconnect power from unit.
2. Shut off incoming water supply.
3. Attach hose to drain connection.
4. Lift manual release lever on relief valve to let air into system or break union on
outgoing water line.
5. Drain water from tank.
6. Remove access cover.
7. Disconnect the wires from the heating element terminals.
Thermowell
Wires
Mounting Screws
14