Elson 210zi - General Requirements and Siting; User Safety and Supervision; Cylinder Siting Guidelines

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IMPORTANT:
THISAPPLIANCEISNOTINTENDEDFORTHE
USEBYPERSONS(INCLUDINGCHILDREN)
WITHREDUCEDPHYSICAL,SENSORY
ORMENTALCAPABILITIES,ORLACKOF
KNOWLEDGEANDEXPERIENCE,UNLESS
THEYHAVEBEENGIVENSUPERVISIONOR
INSTRUCTIONCONCERNINGTHEUSEOFTHE
APPLIANCEBYAPERSONRESPONSIBLEFOR
THEIRSAFETY.
CHILDRENMUSTBESUPERVISEDTOENSURE
THEYDONOTPLAYWITHTHEAPPLIANCE.
SITINGTHEUNIT
Thecylindermustbeverticallyoormounted.
Althoughlocationisnotcritical,thefollowingpoints
shouldbeconsidered:
Thecylindershouldbesitedtoensureminimum•
deadlegdistances,particularlytothepointof
mostfrequentuse.
Avoid siting where extreme cold temperatures •
willbeexperienced.Allexposedpipework
shouldbeinsulated.
Thedischargepipeworkfromthesafetyvalves•
musthaveminimumfallof1:200fromtheunit
andterminateinasafeandvisibleposition.
Access to associated controls and immersion •
heatersmustbeavailabletoprovideforthe
servicingandmaintenanceofthesystem.
Wherethesecontrolsareinstalledagainstawalla
minimumdistanceof250mmmustbeleft(see
Fig.1).
Ensurethattheoorareaforthecylinderislevel•
andcapableofpermanentlysupportingthe
weightwhenfullofwater.(seeTable1)
WATERSUPPLY
Bear in mind that the mains water supply to the
propertywillbesupplyingboththehotandcold
waterrequirementssimultaneously.
It is recommended that the maximum water
demand is assessed and the water supply
checked to ensure this demand can be
satisfactorily met.
Note: A high mains water pressure will not
always guarantee high ow rates.
Whereverpossiblethemainssupplypipeshould
be22mm.Wesuggesttheminimumsupply
requirementsshouldbe0.15MPa(1.5bar)pressure
and20litresperminuteowrate.However,at
thesevaluesoutletowratesmaybepoorif
severaloutletsareusedsimultaneously.Thehigher
theavailablepressureandowratethebetterthe
systemperformance.
Thecylinderhasanoperatingpressureof0.35MPa
(3.5bar)whichiscontrolledbythecoldwater
combinationvalveassembly.Thecoldwater
combinationvalveassemblycanbeconnectedtoa
maximummainspressureof1.6MPa(16bar).
OUTLET/TERMINALFITTINGS(TAPS,ETC.)
Thecylindercanbeusedwithmosttypesofterminal
ttings.Itisadvantageousinmanymixershowers
tohavebalancedhotandcoldwatersupplies.In
theseinstancesabalancedpressurecoldwater
connectionshouldbeplacedbetweenthe2pieces
ofthecoldwatercombinationvalveassembly(see
Fig.2).Outletssituatedhigherthanthecylinderwill
giveoutletpressureslowerthanthatattheheater,a
10mheightdifferencewillresultina0.1MPa(1bar)
pressurereductionattheoutlet.Allttings,pipework
andconnectionsmusthavearatedpressureofat
least0.6MPa(6bar)at80°C.
GENERAL REQUIREMENTS
Table1:Unitweights
Fig.1:SitingtheUnit
WALL
Min 250mm
Min 250mm
Type
Model
Reference
Nominal
Capacity
(litres)
Weightof
unitfull
(Kg)
Weight
ofunit
(Kg)
Indirect 120zi 120 147 27
150zi 150 182 32
170zi 170 204 34
210zi 210 250 40
250zi 250 294 44
300zi 300 352 52
Direct 120zd 120 144 24
150zd 150 178 28
170zd 170 201 31
210zd 210 247 37
250zd 250 289 39
300zd 300 349 49