Glow-worm Ultracom 12hxi - Switching On and Off

0020127403 - 01/11 - Glow-worm
HOW TO USE YOUR APPLIANCE
- 12 -
8.2 Switching On and Off
Switching on
• Removethecoverplate.
If you are in any doubt about
the boiler being lled with
water contact your installer
or Glow-worm's own service
organisation using the
telephone number shown in
the chapter " Contact your
after-sales organisation".
• Selectyourrequiredfunction 
press"MODE"repeatedlyto 
scrollthroughyouroptionsand 
selectoneofthefollowing:-
• Centralheating.

• BoilerfunctionsALLswitchedoff.
• TurnONyourexternalcontrolsand
selecttheroomtemperaturerequired.
• Theboilerwilloperateautomatically.
• NOTE:Thedisplaywillindicatethe
Heatingsystemwatertemperatureora
faultcode(seesectionFaultFinding).
• Thecontrolpanelwillashanddisplay
allitsdigits.Itwillthenreturntothe
defaultdisplayanddependingonthe
selectedoperationandcontrols,display
thetemperaturesettings.
Switching off
• press"MODE"repeatedlyto 
scrollthroughyouroptionsand 
select

.
Alltheappliancefunctionswillbeswitched
off,exceptfrostprotection.
GAS SERVICE
ISOLATION
VALVE
(shown open)
COVER PLATE
- Checkthatthegasserviceisolation
valveontheapplianceisopen.
Do not operate the boiler
without water.
• Makesurethat:
- Theappliancehaselectricalpower,
- Thegasserviceisolationvalveisopen.