Water Quality Standards - Heat Controller HBH/V Compact Installation, Operation & Maintenance Manual

Heat Controller, Inc.
Table 3: Water Quality Standards
WaterÊQuality
Parameter
ScalingÊPotentialÊ-ÊPrimaryÊMeasurement
AboveÊtheÊgivenÊlimits,ÊscalingÊisÊlikelyÊtoÊoccur.ÊÊScalingÊindexesÊshouldÊbeÊcalculatedÊusingÊtheÊlimitsÊbelow
pH/CalciumÊHardness
Method
IndexÊLimitsÊforÊProbableÊScalingÊSituationsÊ-Ê
ScalingÊindexesÊshouldÊbeÊcalculatedÊatÊ150¡FÊ[66¡C]ÊforÊdirectÊuseÊandÊHWGÊapplications,ÊandÊatÊ90¡FÊ[32¡C]ÊforÊindirectÊHXÊuse.Ê
AÊmonitoringÊplanÊshouldÊbeÊimplemented.
Ryznar
StabilityÊIndex
Langelier
SaturationÊIndex
IronÊFouling
IronÊFe (Ferrous)
2+
(BacterialÊIronÊpotential)
IronÊFouling
CorrosionÊPrevention
pH
HydrogenÊSulfideÊ(H S)
2
AmmoniaÊionÊasÊhydroxide,Êchloride,Ê
nitrateÊandÊsulfateÊcompounds
Maximum
ChlorideÊLevels
ErosionÊandÊClogging
ParticulateÊSizeÊand
Erosion
Notes:
• Closed Recirculating system is identified by a closed pressurized piping system.
• Recirculating open wells should observe the open recirculating design considerations.
• NR - Application not recommended.
• "-" No design Maximum.
HBH/V CompaCt
HX Closed
Material Recirculating
-
All
(OperationÊoutsideÊtheseÊlimitsÊisÊnotÊrecommended)
-
All
-
All
-
All
-
All
6Ê-Ê8.5
All
Monitor/treatÊas
needed
-
All
-
All
Copper -
CuproNickel -
304ÊSS -
316ÊSS -
Titanium -
<10ÊppmÊofÊparticles
andÊaÊmaximum
velocityÊofÊ6ÊfpsÊ[1.8Êm/s].
All
FilteredÊforÊmaximum
800ÊmicronÊ[800mm,
20Êmesh]Êsize.
OpenÊLoopÊandÊRecirculatingÊWell
pHÊ<Ê7.5ÊandÊCaÊHardnessÊ<100ppm
IfÊ>7.5ÊminimizeÊsteelÊpipeÊuse.
-0.5ÊtoÊ+0.5
IfÊ<-0.5ÊminimizeÊsteelÊpipeÊuse.ÊBasedÊuponÊ150¡FÊ[66¡C]ÊHWGÊand
DirectÊwell,Ê85¡FÊ[29¡C]ÊIndirectÊWellÊHX
<0.2ÊppmÊ(Ferrous)
IfÊFe Ê(ferrous)>0.2ÊppmÊwithÊpHÊ6Ê-Ê8,ÊO2<5ÊppmÊcheckÊforÊironÊbacteria
2+
<0.5ÊppmÊofÊOxygen
AboveÊthisÊlevelÊdepositionÊwillÊoccur.
MinimizeÊsteelÊpipeÊbelowÊ7ÊandÊnoÊopenÊtanksÊwithÊpHÊ<8
AtÊH S>0.2Êppm,ÊavoidÊuseÊofÊcopperÊandÊcopperÊnickelÊpipingÊorÊHX's.
2
RottenÊeggÊsmellÊappearsÊatÊ0.5ÊppmÊlevel.
CopperÊalloyÊ(bronzeÊorÊbrass)ÊcastÊcomponentsÊareÊOKÊtoÊ<0.5Êppm.
MaximumÊAllowableÊatÊmaximumÊwaterÊtemperature.
50¡FÊ(10¡C) 75¡FÊ(24¡C)
<20ppm
<150Êppm
<400Êppm <250Êppm
<1000Êppm <550Êppm
>1000Êppm >550Êppm
<10ÊppmÊ(<1ÊppmÊ"sandfree"ÊforÊreinjection)ÊofÊparticlesandÊaÊmaximum
velocityÊofÊ6ÊfpsÊ[1.8Êm/s].ÊFilteredÊforÊmaximumÊ800ÊmicronÊ[800mm,
20Êmesh]Êsize.AnyÊparticulateÊthatÊisÊnotÊremovedÊcanÊpotentially
clogÊcomponents.
IOM Instructions

Water Quality Standards

6.0Ê-Ê7.5
6Ê-Ê8.5
<0.5Êppm
<0.5Êppm
100ϒ F (38ϒ C)
NR
NR
NR
NR
<150 ppm
< 375 ppm
>375 ppm
Rev.: 01/21/09B