If the new values are not to be stored, exit the menu by pressing the ALARM RESET key (F). The old
values which were active before the menu was opened will then remain in operation.
3.5.2 Alarm connection
External alarm with own electricity supply (max. 24 V - 3 Amp) can be connected to clamps 11 and 12
(see electrical diagram).
Page 20
3.6 Assembly guidelines
3.6.1 The pipe connections - choice of materials
For the central heating side, it is possible to use a mixed material consisting of copper - steel. The flow
and return pipe must be carefully insulated in order to avoid heat loss.
3.6.2 Back-burn safety valve
Must be connected to the domestic water supply and a pressure tank for flood water storage. In the piping
run between the flood water storage tank and the burn back safety valve, there must NOT any valve(s)
installed which could be inadvertently closed or shut off.
On the one side panel, there is a cut-out for the pipe assembly - this can be moved or exchanged to the
side where the assembly is needed.
3.6.3 Frost protection
The central heating system can be protected against frost by means of an anti-freeze mixture.
3.6.4 Boiler and return temperature
As noted in section 1.3 we recommend keeping the boiler temperature at 80°C.
The return temperature must be at least 60°C to minimise the risk of corrosion in the boiler.
The by-pass valve in the drawing, point 3.7 must be fitted and adjusted in order to ensure this return
temperature.
3.6.5 Arrangement
The boiler must be set up on a stable foundation.
The boiler must be mounted as shown on fig. 3.7.
It is important to ensure that the worm-conveyor can be removed during service.
Type 1,5 If there is insufficient space for this, the worm conveyor/auger can be taken up through the
hopper, by first leading the worm conveyor/auger 160 mm further back than the gear motor, and then
subsequently leading the worm conveyor/auger up through the hopper.
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