FITTED EQUIPMENT
121
LPG
LPG (liquefied petroleum gas) has two main
variants, propane and butane gas. The gas
heating in your Alde 3020 Compact boiler can
use propane or butane gas as fuel. Many LPG
fuels contain a mixture of propane, butane and
other additives.
BS 5482 Part 1 states, “For butane cylinders,
satisfactory service might not be obtained
at temperatures of less than 10°C; the most
suitable temperature range is from 13 to 30°C.
For temperatures less than 13°C, the use of
propane should be considered.”
For this reason, Alde recommends using
propane gas for all year round gas heating.
LPG cylinders contain both gas and liquid
forms. When the cylinder is filled, high pressure
transforms the gas into liquid. The liquid
reverts to gas when the valve on the cylinder
is opened.
LPG is a flammable gas. It can be a fire and
explosion hazard if stored or used incorrectly.
Store cylinders vertically and securely, to
prevent them from toppling.
Do not mount your LPG cylinder horizontally
or use liquid phase gas cylinders. Liquid–gas
explosion may result. Read the product label
or contact product manufacturer for details.
LPG is heavier than air. Should a gas leak
occur, floor vents in a caravan or motorhome
should allow the gas to escape from the
vehicle. For this reason, always ensure floor
vents are unobstructed.
! WARNING: The boiler compartment
contains the gas connection, floor vents and
the flue hoses. Do not place stowage in the
boiler compartment.
In the event of a gas leak, or if you smell gas:
• Extinguish all naked flames
• Open all doors and windows
• Close all gas valves, including the valve on
the cylinder.
• Do not smoke.
• Do not operate any electrical appliances or
switches.
• Arrange for immediate inspection of the
gas system by a competent person in
accordance with current local regulations.
LPG from the cylinder is reduced in pressure
by a regulator, and is supplied to the boiler
at low pressure (30 mbar). Never use an
unregulated high pressure supply.
Where oil and dirt in the gas supply are a
concern, gas filters should be fitted to prevent
blockage of the boiler gas valve.
Note: Gas heating must not be used whilst
driving your vehicle unless a safety shut-off
device is fitted to the gas system. Current
local regulations must be adhered to.
Flue
The burning of LPG produces CO² (carbon
dioxide), a non-toxic, asphyxiant gas.
Exhaust flue gas can cause possible burns
and poisoning. Avoid inhaling exhaust flue gas.
! WARNING:
Do not position awnings, tents or other
enclosures around the flue terminal.
Air supply is essential for clean combustion.
The air intake is located in the flue terminal. For
best performance, the flue terminal should be
well vented. If leaving the gas heating unused
for a period, ensure the flue terminal is covered
to prevent pest animals nesting in the flue.
! WARNING:
Do not obstruct the flue. Be careful not to
flood the flue when washing the vehicle.
! WARNING: Air is sucked into the
combustion chamber via the air intake.
The gas heating must not be used when
refuelling the vehicle at the service station or
related facility.
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