0020105023_00-10/10-Glow-worm
- 13 -
ANYASSISTANCE?
10 Appliance safety devices
10.1 Boiler Shutdown
Theboilersoftwareisdesignedto
recognisethepotentialforanoverheat
lockoutandwillshutdownbeforethis
happens.
• Torestarttheboiler,pressthereset
button,seechapter«Quickreference
guide».
Iftheboilerfailstoresumenormal
operationandallexternalcontrolsare
callingforheat,thencallyourInstallation/
ServicingcompanyorGlow-wormservice.
10.2 Protecting against frost
Appliance Protecion
Incaseoftheriskoffrost:
• Makesurethattheelectricalandgas
supplytotheapplianceisturnedon.
• Thefrost-protectionsystemstarts
theappliance’spumpwhenthe
temperatureintheheatingcircuitgoes
below12°C.Thepumpstopswhenthe
temperatureofthewaterintheheating
circuitreaches15°C.Ifthetemperature
intheheatingcircuitgoesbelow7°C,
theburnerislituntilthetemperature
reaches35°C.
Iftheboilerisin«DomesticHotWater»
modeonly,thefrost-protectionsystemis
alsoactive.
System Protection
Theboileralonecannotensurethatthe
installationisprotectedagainstfrost.
NOTE:Anyotherexposedareasofthe
systemshouldbeprotectedbyaseparate
frostthermostat.
Incaseofprolongedabsence,where
powertothedwellingandtheboileris
switchedoff,contactyourInstallation/
ServicingcompanyorGlow-wormService
tohavetheinstallationdrainedortohave
theheatingcircuitprotectedbyaddingan
anti-freezespeciallydesignedforheating
systems.
b
CAUTION: Your domestic
water circuit (hot and cold) is
not protected by the boiler.
10.3 Condensate Drain Blockage
Asasafetyfeaturetheboilerwillstop
workingifthecondensatedrainbecomes
blocked.Duringfreezingconditionsthis
maybeduetotheformingoficeinthe
condensedrainexternaltothehouse.
• Releaseaniceblockagebytheuseof
warmclothsonthepipe.
Theboilershouldthenrestart.
• ContactyourInstallation/Servicing
companyorGlow-wormserviceifthe
faultpersists.
10.4 Safety Discharge Valve
Thesafetydischargevalveanddischarge
pipeisttedtotheboiler.
• Ifthereisanydischargefromthepipe,
switchofftheboilerelectricalsupply,
thencallyourInstallation/Servicing
companyorGlow-wormservice.