Elson 150zd - Key Operational Summary

4
LIMITATIONS
Thecylindershouldnotbeusedinassociationwith
anyofthefollowing:
Solidfuelboilersoranyotherboilerinwhichthe•
energyinputisnotundereffectivethermostatic
control,unlessadditionalandappropriatesafety
measuresareinstalled.
Ascendingspraytypebidetsoranyotherclass•
1backsyphonageriskrequiringthatatypeAair
gapbeemployed.
Steamheatingplantsunlessadditionaland•
appropriatesafetydevicesareinstalled.
Situationswheremaintenanceislikelytobe•
neglectedorsafetydevicestamperedwith.
Watersuppliesthathaveeitherinadequate•
pressureorwherethesupplymaybe
intermittent.
Situationswhereitisnotpossibletosafelypipe•
awayanydischargefromthesafetyvalves.
In areas where the water consistently contains a •
highproportionofsolids,e.g.suspendedmatter
thatcouldblockthestrainer,unlessadequate
ltrationcanbeensured.
In areas where the water supply contains •
chloridelevelsthatexceed250mg/l.
OPERATIONAL SUMMARY
Maximummainspressure  1.6MPa(16bar)
Operatingpressure   0.35MPa(3.5bar)
Maximumdesignpressure  0.6MPa(6bar)
Expansionvesselchargepressure 0.35MPa(3.5bar)
Expansionreliefvalvesetting 0.6MPa(6bar)
T&Preliefvalvesetting  90-95°C/1.0MPa(10bar)
Maximumprimarycircuitpressure 1.0MPa(10bar)
(indirect only)
Pressuredrop(Primarycoil)  0.02MPa(0.2bar)
Storagecapacity   seeTable1
Weightwhenfull   seeTable1
IndirectModelsinconformancewithBSEN12897:2006