77
HEATINGSYSTEMS
pumpswitch).
Openhotwatertapsinkitchenandbathroom,
(set preselecting mixing taps or single-lever
ttingsto“hot”).Leavethettingsopenfor
as long as it takes for the boiler to displace
theairandllupandthewatertoowwithout
interruption.
!
If justthecoldwatersystem is being
operated without using the water
heater, the heater tank also lls up
withwater.Toavoidfrostdamagethe
boiler must be drained through the
drainvalveevenifitwasnotoperated.
!
Whenconnectingtoacentralwater
supply(ruralorcitymains)apressure
reductionvalvemustalwaysbe
installedtopreventabove2.8bar
fromdevelopinginthewaterheater.
Draining the Water Heater
Switchoffpowertowaterpump(mainorpump
switch).
Openhotwatertapsinkitchenandbathroom.
Inordertocheckthewaterthatisowingout,
place an appropriate container (capacity 10
litres)beneaththedrainvalve(FrostControl)
drainagemuff.
Turn the rotary switch on the drain valveby
180°C until it engages, whereby the push
buttonmovesoutandthedrainvalveopens.
!
Checkwhetherallofthewaterinthe
boiler(10litres)hasbeendrainedinto
thecontainerviathedrainvalve.
There shall be no claims under
guaranteefordamagecausedbyfrost.
Methods of Operation
Heating is possible without restrictions with
gas, electrical and mixed operation, with or
withoutwater.
!
Checktomakesurethecowlis
unobstructed.Besuretoremoveany
coversthatmaybepresent.
Turn on gas cylinder and open quick-acting
valveinthegassupplyline.
Check whether the power supply fuse
protection on the camp site is adequate for
the 900W (3.9A) or 1800W (7.8A) that have
beenselectedusingthepowerselectorswitch.
Summer Operation (boiler operation only)
Select gas or electrical operation using the
power selector switch. Illumination of the
yellow LED on the power selector switch
indicatesthattheunitisoperatingon230v.
Mixed operation (gas and electrical) is not
possible in summer mode. With this setting
the unit automatically selects electrical
operationwithapreselectedpowersettingof
900Wor1800W.
Move the rotary switch on the control panel
to40°Cor60°C.ThegreenandyellowLEDs
lightup.
When the selected water temperature is
reached(40°Cor60°C)theheatershutsoff
andtheyyellowLEDgoesoff.
Winter Operation
Heating with water temperature monitoring.
Selectgas,electricalormixedoperationusing
the power switch. Illumination ofthe yellow
LED on the power selector switch indicates
thattheunitisoperatingwith230v.
Move rotary switch on control panel to
operatingposition.
Settherotaryswitchtothedesiredthermostat
setting(1–5).ThegreenLEDforoperationis
lit and simultaneously indicates the position
oftheselectedroomtemperature.Theyellow
LEDindicatesthewater’sheat-upphase.
The device automatically selects the
required power setting in accordance with
the temperature difference between the
temperature selected on the control panel
andthecurrentroomtemperature.Whenthe
room temperature selected on the control
panelisreached,theheaterswitchesbackto
the smallest setting and heats the water to
60°C.Oncethewatertemperatureisreached
the heater switches off and the yellow LED
goesout.