Ccb Cover Removal And Replacement - State Water Heaters 60120-100250 Service Handbook

CCB COVER REMOVAL AND REPLACEMENT

The cover on the CCB enclosure must be removed for various service procedures outlined in this Service
Handbook. Refer to the instructions below when removing and replacing the CCB cover.
Wiring to and from the CCB and other water heater components enters the CCB enclosure on the bottom.
Removing the enclosure cover is a simple procedure. Care must be taken when replacing the CCB cover
to ensure the wiring is routed properly and the cover is replaced correctly. Follow the procedures below to
ensure the wiring is not pinched or damaged and no connectors are accidentally unplugged.
Cover Removal Procedure:
Refer to "CCB" section on Page 47 for these instructions.
1. Ensure power to the water heater is turned off.
2. Remove the upper and lower temperature probe connectors.
3. Unlock clips on both sides and remove the cover.
Cover Replacement Procedure:
1. Follow Cover Removal Procedure in reverse order to replace cover.
Service Notes:
If any operational problems, fault conditions or Control System lock outs occur after the CCB enclosure
cover has been removed and replaced, remove the cover again to ensure none of the wiring connectors are
unplugged and/or any of the wiring has been pinched, cut or damaged. Unlike previous water heaters in this
product line, the individual control boards inside the plastic enclosure are serviceable parts. See the Parts
List that was shipped with the water heater for the appropriate part numbers for each component.
48 Servicing should only be performed by a Qualified Service Technician