HEATING WITH LP GAS
ABOUT LP GAS
LPGasisapetroleumproduct,formallyknownas“liquid
petroleumgas.”Itismainlymadeupofpropaneand
butanegas.Theadvantageofpropaneisthatitremains
gaseousattemperaturesaslowas-40°F(-40°C).
Forthisreason,propaneisusedincolderclimates.
LPGascylinderscontainLPGasinbothliquidand
gaseousforms.Whenthecylindersarelled,the
pressureturnsthegasintoliquid.Whenthegascylinder
valveisopened,theliquidbecomesagasagain.
HEATING WITH ELECTRICITY
ELECTRICAL HEATING
AllAldeCompact3010boilersarettedwithtwo120V
heatingelementswithamaximumoutputof950Weach.
Theseheatingelementsrequirea16-ampbreaker.
Usethethermostattocontroltheheatwhenusing
electricity.RefertotheControlPanelinstructions
(page12).Whenelectricaloperationisselectedonthe
ControlPanel,theelectricalheatingelementsareusedto
heattheboiler.Theheatingelementsandthecirculating
pumparecontrolledbythethermostatinthesameway
asthegasboiler.
THE PRINCIPLE OF CONVECTION
AIR CIRCULATION
BothLPGasandelectricheatingusehotglycoluidto
heatthespaceintheRV.Inordertoachievethebest
possibleresultfromtheprincipleofconvectedheat,itis
importanttoallowairtocirculatefreelyunderbunksand
behindbackrestsandwall-mountedcabinets
(SeeFigure4).Ifthevehiclehasattedcarpet,ensure
thatthecarpetdoesnotobstructtheairsupplytothe
convectors.Itisjustasimportantthatcushionsor
blanketsdonotinterrupttheowofairbehindbackrests
andwallcabinets.
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SUFFOCATION HAZARD
LPG contains no toxic substances, but breathing in
concentrated gas may cause suffocation due to lack
of oxygen. Incomplete combustion of LP Gas can
also produce carbon monoxide (CO) gas, which is a
suffocation hazard.
– For your safety, install and use a CO detector.
USING THE LP GAS BOILER
Usethethermostattocontroltheheatwhenusing
LPgas.RefertotheControlPanelinstructions(Page12).
WhenLPGasoperationisselectedontheControlPanel,
thegasburnerintheboilerandthepumpforcirculating
theglycolheatinguidstartautomaticallywheneverheat
iscalledforbythethermostat.Theburnerkeepsburn-
ingandthepumpkeepscirculatinguntilthethermostat
reachesthesettemperature.Shouldtheboilergooutfor
anyreason,asensorwillbeactivatedandtheboilerwill
attempttoautomaticallyrestart(inabout10seconds).
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FIRE/EXPLOSION HAZARD
The risk involved in using LP Gas is that any leak-
ing gas may ignite and explode. Since LP Gas
is heavier than air, leaking gas will collect at the
lowest point in the area where the leak occurs. To
make it easier to detect gas leaks, a substance with
a distinctly rank smell has been added to the gas.
– For your safety install a gas alarm.
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SUFFOCATION HAZARD
In order to burn properly and safely, the LP Gas
boiler must have adequate air intake. Inadequate
air intake may cause the build-up of CO gas, which
is a suffocation hazard. The inlet air to the LP Gas
boiler enters through the ue, which is usually
installed on the side of the RV near the heater. While
camping during the winter, make sure that the ue
is kept clear of snow and ice.
Do not start the LP Gas boiler until the ue is com-
pletely free of snow and/or ice.
SNOWY CONDITIONS
NOTICE
Ensure that correct electrical service is available
before using the electric boiler.
NOTICE
Obstruction of the air supply to convectors cause
poor or no heating of the vehicle.
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HIGH EXHAUST TEMPERATURES
The exhaust temperatures from the LP Gas burner
can be up to 392°F (200°C).
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CARBON MONOXIDE POISONING
Check supply and exhaust air intake, the vehicle
is often equipped with supply and exhaust air
valves (refer to vehicle instructions) that must not
be blocked as this will impair the efciency of the
heating system and air quality, which can lead to
carbon monoxide poisoning.
air intake
exhaust air
Figure 4. Air circulation