Operation Manual
Position
of
air Air from an internal Air from an external
vents source source
High Level
13000 sq.
Mm
7500 sq.mm
Low level
1300 sq.
Mm
7500 sq.mm
4.4
ELECTRICITY
SUPPLY
A 3 amp fused three pin plug for use with 230V-50Hz is supplied fitted to the
appliance.
It should be used with a shuttered socket outlet complying with BS 1363
THIS APPLIANCE MUST
BE
EARTHED
4.5
GAS
SUPPLY
• A Propane gas supply at 37mbar is required or a 20mbar for natural gas
• Ensure the regulator is
of
sufficient capacity to carry the maximum boiler
input plus the demand for any other installed appliances.
• Ensure the connection between the supply/bottle and the caravan holiday
home or park home
is
designed so that no pressure drop occurs.
• No more that 3 m
of
15mm pipe should be used. Where the supply exceeds
3 m the pipe should be suitably sized only reducing to 15mm before the boil-
er
• A full bore isolation cock must be fitted
in
the supply close to the boiler or
use Marco part number FW0391.
• If using bottled propane the bottle size must be taken account of.
• The complete installation must be tested for gas soundness.
4.6
CENTRAL
HEATING
SYSTEM
This appliance
is
designed for connection to sealed central heating water
systems only.
Requirements
for
Sealed
Water
Systems
The heating system design should be based
on
the following information:
A heating by-pass should
be
fitted. If thermostatic radiator valves are to
be
installed, at least one radiator should be fitted with lock shield valves (usually the
bathroom radiator or towel rail).
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