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Remeha
Gas 5c / 5c Duo
6
4. APPLICATION INFORMATION
4.2 Chimneys
The average fl ue gas temperature is so low that the
chimney must be made in accordance with the guide-
lines of British Gas (BS 6644).
4.3 Installation standards
The following instructions must be adhered to when the
Remeha Gas 5c / 5c Duo is installed:
Gas Safety (installation and use) Regulations 1984 (as
amended).
All gas appliances must, by law, be installed by compe-
tent persons (e.g. Corgi) in accordance with the above
regulations. Failure to install appliances correctly could
lead to prosecution.
It is in your own interest and that of safety to ensure that
the law is complied with.
In addition to the above regulations, this appliance must
be installed in compliance with the current I.E.E. Regu-
lations for electrical installation, local building regulati-
ons, the Building Standards (Scotland), (Consolidation)
Regulations and by laws of the local water undertaking
and Health and Safety Document No 635 'The Electricity
at Work Regulations 1989'. It should also be in accor-
dance with the relevant recommendations in the current
editions of the following British Standards and Codes of
Practice, viz.
BS 5440 Pt 1 and 2, BS 5449, BS 5546, BS 6798, BS
6891 and BG.DM2.
Important:
The Remeha Gas 5c / 5c Duo is a certified appliance
and must not be modified or installed in any way con-
trary to these 'Installation and Servicing Instructions'.
Manufacturers instructions must NOT be taken in any
way as overriding statutory obligations.
= m 3 /h
4.1 L.P.H.W. system
4.1.1 Water temperature
Maximum water temperature is 110°C (high limit ther-
mostat). Highest boiler water temperature is 95°C (con-
trol thermostat). Minimum return water temperature is
20°C at a fl owrate related to a t of 20°C (fl ow/return
temp).
4.1.2 Water pressure
B
oiler sections pressure tested at 10 bar.
Maximum pressure test boiler block is 7,8 bar.
Minimum working pressure boiler is 0,8 bar.
Maximum working pressure bar is 6 bar.
4.1.3 Water fl ow
The minimum water fl ow through the boiler is:
Output boiler in kW
93
This minimum fl ow must be maintained for approx. 5
minutes after the burner stops fi ring to avoid high tempe-
rature shut down due to residual heat gain.
Due to the design and manufacture of the boiler no
specifi c minimum water fl ow requirements exist other
then for overtemperature propection.
4.1.4 Water treatment
Water treatment is under normal circumstances not
necessary (see our water quality recommendations)
4.1.5 Noise level
The noise level measured around the boiler depending
on boiler room construction is about 50-55 dBA. Noise
levels taken at 1 meter from the boiler.