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Installation and User Instructi
ons R01127
-
2 06
/11
Page 17
Installation
re-fitted correctly into the positions on
the element. Failure to do so carries
the risk of overheating the contacts
and thus damaging the appliance. The
immersion heater thermostat must
not be opened under any
circumstances.
Note: The cylinder must be filled
with water before switching on
the immersion heater. Failure to
do so will damage the element
and void any guarantee on the
product.
5.5 Coil flow connections
(indirect models only)
If the flow connection is the highest
point in the indirect heating loop and
if the system was not commissioned
using a flush and fill pump, an
adequate device for de-aeration must
be installed.
5.6 Coil return
connections (indirect
models only)
If the return connection is the lowest
point in the indirect heating loop, a
suitable drain device should be
installed. For location of connections
see Figure 2.
It is recommended that the fittings
used to connect to the cylinder are
suitable for stainless steel, the flow
and return should use 22mm
compression fittings. Not all push fit
fittings can be used – please check
with your supplier. When using
compression fittings, ensure that the
connection is not over-tightened.
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