Glow-worm Ultracom2 sxi - Testing Heating System; Testing Domestic Hot Water System; Completion; 13 Specific Adjustment

0020112600_02-10/12-Glow-worm
- 26 -
INSTALLATION
IncommunalorLPGinstallationswherethegasratecannotbe
measureditisacceptabletomeasurethecombustionrateas
describedintheservicingsection.
• Oncompletion,pressthe"reset"buttontoresettheboiler.
 
• Ensurethattheexternalcontrolsandprogrammerarecalling
forheat.
• Fullyopenallradiatorvalves,seechapter"Appliance
installationRecommendationsbeforeinstallingHeating
circuitdesign".
• ActivatetheC.H.functionontheappliance'scontrolpanel.
• Balancetheradiatorsasrequiredtogivetherequiredsystem
differential.
• Turnoffallradiatorsthatcanbeshutoffbytheuserand
checktoseeiflessthanthemaximumdifferentialallowedof
20°Ccanbeachievedacrossowandreturn.
i
Should the appliance require adjustment refer to
specic adjustment section overleaf.
• Allowthesystemtoreachmaximumtemperaturethenswitch
offtheboilerbyisolatingfromtheelectricalsupply.
• Draintheentiresystemrapidlywhilsthot,usingthedrain
tapsatallthelowpointsofthesystem.Fillandventthe
systemasdescribedpreviouslyinchapter"Commissioning
►FillingtheCHsystem(Centralheating)".
• Adjusttheboilertemperaturecontrolsandanysystem
controlstotheirrequiredsettings.
 
• Checkthatthetemperatureobtainediscompliantwiththe
settingontheappliance(Smartwiringcentreonly).
 
• Ensurethatthemagneticlightinginstructionlabelisplaced
onthesurfaceoftheboilercasing.
GB:Itisarequirementthatthe“Benchmark”Installation,
CommissioningandServiceRecordiscompletedandleftwith
theuser.
IE:itisnecessarytocompletea“DeclarationofConformity”to
indicatecompliancetoI.S.813.Anexampleofthisisgivenin
thecurrenteditionofI.S.813.
 
 
Itmaybenecessarytoadjusttheby-passtothedesignofthe
system.Theboilerisdeliveredpre-setopen1/2turn(1).
1

 
• Dependingonthedesignofthesystemtheby-passmay
needfurtheradjustment.Itisadjustedclockwisetocloseand
anti-clockwisetoopen.Thisshouldbebalancedtoensure
thatitoperatesifthepumpoutputisadjusted.
Output/pressure curve Ultracom
2
12sxi / 18 sxi
60
50
40
30
20
10
0
500 1000 1500
4
2
1 3
A
B

 
 
 
 
 
 
Output/pressure curve Ultracom
2
30sxi
60
50
40
30
20
10
0
500 1000 1500
A
B
2
1
3
4

 
 
 
 
 
 