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11.4
ELECTRICAL CONNECTIONS
Access to the High Voltage and Low Voltage Connection Strips can be made by removing the appropriate knockouts
on the back panel of the heater. All connections should be secured using an appropriate cord anchorage. One cord
anchor is supplied with the heater for securing the mains supply to the unit. If additional controls and ancillaries are to
be used, the appropriate knockout should be removed and an anchor such as RS Components part number 607-897
plus locking nut 607-910 should be fitted.
If a knockout is removed by mistake, the resulting hole must be blocked with an appropriate anchor, plug or
grommet to prevent accidental access to the live parts within the heater.
11.5
FUSES
The EcoKnight™ has five internal fuses. F1 will automatically reset, F2 – F5 are slow blow fuses, located and rated
as follows:
The water heater has three spare fuses in a plastic bag attached to the control module cover. Only replace with an
equivalent rated fuse. Use of non-equivalent fuses or link wires will invalidate the warranty.
11.6
ARC WELDING PRECAUTIONS
The appliance must be isolated from the mains electricity supply in the event of electric arc welding being carried out
on any connecting pipework.
FIGURE 11.4
FUSE RATINGS AND LOCATIONS
31
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