Electrical connections
4Electrical connections
4.1Electrical power supply
Warning: For safety reasons, disconnect the power supply cord to the heater before any service or testing is performed.
Warning: This heater must be electrically grounded in accordance with the most recent edition of the National Electrical Code. NFPA 70. In Canada, all electrical wiring to the heater should be in accordance with local codes and the Canadian Electrical Code, CSA C22.1 Part 1. Do not rely on the gas or water piping to ground the metal parts of the heater.
The water heater requires an electrical power supply from a 120VAC / 60Hz properly rated receptacle and must be properly grounded.
The heater is wired as shown in the wiring diagram (chapter 9, Fig. 59).
Fig. 35 Connecting power supply cord
1Power cord length: 3ft.
Note: Outlet appliance is plugged in to should be clear from possible water damage.
4.2Position of the fuses in control unit
To check fuses, proceed as follows:
BRemove the front cover, see Fig. 4, page 6.
BRemove the three screws on front of the control unit.
Fig. 36
BPull control unit free to access and remove the six screws from the back cover of the control unit, see Fig. 37, pos. 2.
BCheck the fuses in the printed circuit board, see Fig. 37, pos. 3.
1
2
3
Fig. 37 Location of fuses
BAfter verifying the fuses mount all parts in reverse order.
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