Bosch C1210ES Specifications download pdf (Page 36)

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Electrical connections

4 Electrical connections

4.1 Electrical power supply

The tankless water heater requires an electrical power

supply from a 120VAC / 60Hz properly rated

receptacle and must be properly grounded.

A means for switching off the 120VAC power supply

must be provided.

The heater is wired as shown in the wiring diagram

(chapter 9, Fig. 72).

Fig. 45 Connecting power supply cord

1 Power cord length: 3ft.

Note: Outlet appliance is plugged in to should be

clear from possible water damage.

4.2 Position of the fuses in control unit

To check fuses, proceed as follows:

B Unplug the water heater's power cord.

B Remove the front cover, see Fig. 4, page 7.

B Remove the three screws from the control unit.

Fig. 46

B Remove the six screws from the back cover of the

control unit, see Fig. 47, pos. 2.

B Check the fuses on the printed circuit board, see Fig.

47, pos. 3.

Fig. 47 Fuses position

B After checking the fuses, reinstall all parts in reverse

order.

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 must 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.

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Bosch C1210ES Specifications Page 36

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