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Installation and User Instructi
ons R01127
-
2 06
/11
Page 16
Installation
5.3.3 Tundish
- The tundish should be vertical,
located in the same space as the
unvented hot water storage system
and be fitted as close as possible to,
and lower than, the safety device,
with no more than 600mm of pipe
between the valve outlet and the
tundish (see Figure 3).
- Discharge should be visible at the
tundish, where discharges may not
be apparent, e.g. in dwellings
occupied by people with impaired
vision or mobility, consideration
should be given to the installation of
a suitable safety device to warn
when discharge takes place, e.g.
electronically operated.
Note: To comply with the Water
Supply (Water Fittings)
Regulations, the tundish should
incorporate a suitable air gap.
It is important that the
tundish is positioned away
from any electrical
components.
Figure 5: Wiring diagram for Immersion Heater
5.4 Immersion heater
The immersion heater has to be
connected in accordance with IEE
Wiring Regulations and the installer
carrying out the work has to be
suitably qualified. It must be
connected through a double pole
isolating switch or suitable controller
which must have a contact separation
of at least 3mm in all poles. The
wiring diagram can be seen in Figure
5. For further details please see
instructions provided with the
immersion heater.
The immersion heater incorporates an
independent non-self resetting over
temperature cut-out. Should the over
temperature cut-out operate, the
reset pin will be pushed upwards, and
become level or slightly proud of the
cover at the position marked “Safety”.
Use a suitable sized implement to
reset the pin by pushing it hard into
its original position.
Should it be necessary to remove the
thermostat from the immersion
element, ensure that the contacts are
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