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Electrical Connections; Electrical Power Supply; Position Of The Fuses In Control Unit - Bosch C 1210 ES Installation Manual

Bosch indoor residential and commercial models tankless water heaters temperature modulated with electronic ignition suitable for heating potable water and space heating, natural & liquefied petroleum (lp) gas
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Electrical connections

4
Electrical connections
4.1

Electrical power supply

For
Warning:
disconnect the power supply cord to
the heater before any service or testing
is performed.
Warning:
This
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.
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.
36
safety
reasons,
heater
must
be
6720608643-15.1AL
1
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.
2
3
Fig. 47 Fuses position
B After checking the fuses, reinstall all parts in reverse
order.
1
6720608158-78.1AL
6 720 644 887

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