Wolf DHW Series Installation Instructions Manual

Brand: Wolf

Model: DHW Series

Type: Installation Instructions Manual

This manual is also suitable for

WOLF GMBH / POSTFACH 1380 / D-84048 MAINBURG / TEL. +49.0. 87 51 74- 0 / FAX +49.0.87 51 74- 16 00 / www.WOLF.eu

Document no.: 3064300_201703 Subjecttotechnicalmodications

Installationinstructions

DHWcylinderforheatpumps

CEW-1-200 / CEW-2-200

SEW-1-300 / SEW-1-400

SolarDHWcylinder

SEM-1W-360

CPM-1-70buffermodule

SPU-1-200buffercylinder

3064300_201703

Tableofcontents

Contents ....................................................................................... Page

Information,positioningandinstallation

1. Safety information / standards ........................................................................4

2. General information .........................................................................................5

3. Technical information .................................................................................. 6-7

ProductdescriptionHydrotower(CEW-1-200+CPM-1-70)

4. Appliance description CPM-1-70 / CEW-1-200 ...............................................8

5. Transport .........................................................................................................9

6. Minimum clearances CPM-1-70 ....................................................................10

7. Combinations with CEW-1-200 .....................................................................11

8. Dismantling / assembling the CPM-1-70 casing ...........................................12

9. Fitting the CPM-1-70 to the CEW-1-200 .......................................................13

10. Pipework connection diagrams for CPM-1-70 as cylinder in series ..............14

11. Pipework connection diagrams for CPM-1-70 as separating cylinder ...........15

Productdescription–Splitheatingcentre

(BWL-1S(B)-07/10/14+CEW-2-200)

12. Appliance description CEW-2-200 ................................................................16

13. Minimum clearances for split heating centre .................................................17

14. Combination BWL-1S with CEW-2-200 .........................................................18

15. Connection CEW-2-200 ................................................................................19

16. Installation BWL-1S(B) on CEW-2-200 ................................................... 20-22

ProductdescriptionSPU-1-200,SEW-1-300/400,SEM-1W-360

17. Appliance description SPU-1-200 .................................................................23

18. Appliance description SEW-1-300/400..........................................................24

19. Appliance description SEM-1W-360 ..............................................................25

Specication

20.SpecicationCPM-1-70/7(8),CEW-1-200 ....................................................26

21.SpecicationCEW-2-200 ..............................................................................27

22.SpecicationSEW-1,SEM-1 .........................................................................28

23.SpecicationSPU-1-200 ...............................................................................29

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Contents ....................................................................................... Page

Pipeworkconnection

24. Pipework connection SEW-1-300/400 SEM-1W-360 ....................................30

25.PipeworkconnectionCEW-1-200,CEW-2-200 .............................................31

26. Pipework connection SPU-1-200 ..................................................................32

Performancecurves

27.Performancecurves,heat-uptimes–Wolf3-waydivertervalve ..................33

28. Performance curves SEW-1-300 ...................................................................34

29. Performance curves SEW-1-400 ...................................................................35

30. Performance curves SEM-1W-360 ................................................................36

31. Performance curves CEW-1-200 and CEW-2-200 ........................................37

32. Performance curves 7m / 8m pumps ............................................................38

33.Congurationexample ..................................................................................39

Commissioning+maintenance/accessories/troubleshooting

34. Commissioning / maintenance ......................................................................40

35. Electric booster heater ..................................................................................41

36.Troubleshooting–buffermoduleCPM-1-70,buffercylinderSPU-1-200 ......42

37.Troubleshooting–DHWcylindersCEW-1-200,SEW-1,SEM-1W ...............43

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1. Safetyinformation/standards

Safetyinformation Thefollowingsymbolsareusedinthisdescriptiontohighlight

importantinformationconcerningpersonalsafetyandoperational

reliability:

Denotes instructions with which you must strictly comply to prevent risk or

injurytoindividuals,faultsordamagetotheappliance.

Denotes danger due to 'live' electrical components.

"Note"indicatestechnicalinstructionsthatmustbeobservedtoprevent

malfunctionorappliancedamage.

Please note

Beforecommissioningtheappliance,pleasereadcarefullythroughthefollowing

installation and commissioning instructions. This will avoid damage to your

system which could arise through incorrect handling.

Improperuseandanyunauthorisedmodicationsmadetothedesignorduring

installationwillresultinanyliabilityclaimsbeingexcluded.

Inparticular,observeengineeringstandards–inadditiontoanyspecicnational

regulations.

DIN 1988: Technical rules for drinking water installations

DIN 4751: Safety-related equipment of heating systems

DIN 4757: Solar heating plants / solar thermal systems

DIN 4753: Water heaters and DHW heating systems for drinking and

process water; requirements, designation, equipment and

testing

DIN EN 12828 Central heating systems in buildings - Designing hot water

heating systems

DIN 18380: CentralheatingsystemsandDHWheatingsystems

DIN 18381: Installationofgas,wateranddrainagepipeworkinsidebuildings

VDI 2035: Prevention of damage in water heating installations

Drinking Water Ordinance [Germany]

The illustrations used are symbolic. Due to the possibility of typographical

andprintingerrorsandtheneedtomakeon-goingtechnicalmodications,

we accept no liability for the accuracy of the contents of this document.

Should any information in these installation instructions contradict

anycurrentnationalregulations,thecurrentnationalregulationstake

precedence.

Please refer to the currently applicable version of the general terms and

conditions.

Standards

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Theheatpumpsystemmustbesited,installed,set-upandcommissionedby

aqualiedcontractor,incompliancewiththeapplicablestatutoryregulations,

ordinances and directives and the installation instructions.

Inparticular,observetheDrinkingWaterOrdinance[Germany].

Maintenanceworkmustonlybecarriedoutbyaqualiedheatingcontractor.

RegularmaintenanceandtheexclusiveuseoforiginalWolfsparepartsare

crucial for trouble-free operation and a long service life for your appliance.

We therefore recommend you arrange a maintenance contract with your local

heating contractor.

AsignicantamountofenergycanbesavedbyoperatingtheDHWcylinder

at a temperature below 55 °C.

The ideal operating temperature range is 50 - 55 °C.

Heatlossesandscalingaresignicantlyreducedinthisrange.

WolfheatpumpsrequirespecialDHWcylindersfordomestichotwaterheating;

these are available from the Wolf range of accessories.

ThecylindersaremadeofS235JRsteelandcomewithaqualitycerticate.

The indirect coil surface area in the DHW cylinders must be at least

0.25m²perkWofheatingoutput.

Theappliancemayonlybeopenedbyaqualiedcontractor.

Beforeopeningtheappliance,allcurrentcircuitsmustbeisolatedfromthe

power supply (only for CPM-1).

Never treat appliance surfaces with scouring agents or cleaning agents

containing acid or chlorine.

For installation in Austria:

Observe the ÖVE regulations and requirements and those of your local

power supply utility.

Observethespeciedelectricalfuseratings(seeSpecication).

Only replace faulty components with original Wolf spare parts.

AnydamageorlossresultingfromtechnicalmodicationstoWolfcontrol

unitsisexcludedfromourwarranty.

IftheDHWtemperatureissetabove60°Corwhenpasteurisingata

temperatureinexcessof60°C,alwaysensurethatcoldwaterismixedin

with the hot (risk of scalding).

Risk of water damage and faulty operation through freezing.

The heat pump is automatically protected from frost when it is switched on.

Observe the Drinking Water Ordinance [Germany].

2.Generalinformation

Thefollowinginformationmustbetakenintoaccountwhencarryingout

installation,commissioning,maintenanceandrepairwork:

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3.Technicalinformation

Hot/coldwaterconnectionfor

oor-standingDHWcylinder

TheDHWcylindermustbeconnectedinaccordancewiththefollowingpipework

diagram.

Thereshouldbenoshut-offsysteminstalledbetweentheoor-standingDHW

cylinder and the safety valve.

Ifthecylinderisconnectedtothehotandcoldwaterconnectionswith

non-metallicpipematerials,thecylindermustbeearthed.

Installingdirttrapsorothermodicationswhichconstricttheconnecting

linebetweentheoor-standingDHWcylinderandthesafetyvalveisnot

permitted.

- Observe the connection thread types:

 - Flatgasketconnections(typeG),suchascoldwaterandDHWconnections:

Thesemustbettedwithaatgasket.

- Thread-sealing connections (type R): Using too much sealing material (e.g.

hemp),resultsinexcessivestressontheconnection.Thiscanresultinthe

enamel cracking. Make sure the thread between cylinder connection and

pipework is fully covered.

- ThecoldwaterandDHWconnections maycontainplasticsleeveinserts.

These must remain in the cylinder. Do not pull them out before installation.

Whenselectingtheinstallationmaterialforthesystem,observeengineering

standardsandanypossibleelectro-chemicalprocesses(mixedinstallation). The

cylindercanbeequippedwithanelectricboosterheaterwhichisttedwitha

highlimitsafetycut-out.Intheeventofamalfunction,thehighlimitsafetycut-

outdeactivatesfurtherheatingwhenamax.temperatureof110°Cisreached.

Therelevantconnectionsmustbedesignedforthistemperature,orelse

thetemperaturemustbelimitedbymeansofamixingvalve.

ItisgenerallyrecommendedthatDHWtemperaturesabove60°Carelimited

to60°Cbymeansofamixingvalve.

Hotwatercancauseinjuries,inparticularscalding.

Please note

Connectiontotheheatingsystem Thecylindermustbeequippedwithitsownsafetydevices(safetyvalve,

expansionvessel)ifitcanbeshutofffromtheheatingsystemorifthe

existingcomponentsarenotdesignedfortheadditionalbuffervolume.

Installingdirttrapsorothermodicationswhichconstrictthesupplylineto

the safety valve is not permitted. When selecting the installation material

forthesystem,observeengineeringstandardsandanypossibleelectro-

technicalprocesses(mixedinstallation).

Please note

Siting Thecylindersmayonlybeinstalledinroomswhichareprotectedfromfrost,

otherwisethecylinderandallwater-carryingttingsandsupplypipesmustbe

drained if there is a risk of frost.

Theformationoficeinthesystemmayresultinleaksandcould

destroythecylinder.

The installation room must provide enough space for maintenance and repair

workandthegroundmusthavesufcientload-bearingcapacity.

Drinkingwaterlter

Werecommend the installationofadrinkingwaterlterintothecold water

supply,asforeignbodiesintroducedintothesystemcanblockttingsandmay

lead to pipe corrosion.

Please note

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Expansionvessels All expansion vessels must be tted so that they can be isolated from the

heating system.

Shut-off systems must be sufciently secured against unintentional closing

(e.g. by means of a cap valve with wire and seal).

DiaphragmexpansionvesselsmustcomplywithEN13831.

Expansionvesselsmustbeinstalledinfrost-freeroomsorprotectedagainst

freezing.ExpansionvesselsmustbedesignedtoDINEN12828.

Drainoutlet Theoor-standingDHWcylinder/buffercylindermustbeinstalledtoenable

it to be drained as fully as possible.

Pleasenote:Whendrainingthesystem,hotwatermayescapeand

causeinjury,inparticularscalding.

Venting The cylinders are equipped with a 1" or 1¼" socket in the top centre for the

purpose of venting.

Thermalinsulation

Donotbringre,solderamesoroxy-acetylenetorchesintothe

vicinityoftheinsulation.

Pleasenote:Riskofre.

Pressurereducer The installation of a pressure reducing valve is recommended. The permissible

operatingpressureoftheDHWcylinderis10barontheDHWside.Ifthesupply

networkisoperatedatahigherpressure,apressurereducermustbeinstalled.

Exceedingthepermissibleoperatingpressuremayresultinleaksand

coulddestroythecylinder.

Toreduceownoiseinsidebuildings,thelinepressureshouldbesettoapprox.

3.5 bar.

Safetyvalve(SV),heatingwaterside

Only one individually tested SV may be used. The response pressure must be

suitableforallsystemcomponentsandmaynotexceed3bar.

Exceeding the permissible operating pressure may result in

leaksandcoulddestroythecylinder.

TheSVis designed to DINEN12828,DIN 4753 and DIN1988. Forthis,a

heating output of 1.5 kW for each collector is assumed.

Totalheatingoutput

(boiler+collector)

Nominaldiameter

50 kW DN 15

100 kW DN 20

200 kW DN 25

350 kW DN 32

The discharge pipe must have a diameter at least equal to the outlet cross-

sectionofthesafetyvalve,itmustnothavemorethan2elbowsandmustbe

no more than 2 m long. If it is absolutely necessary to have 3 elbows or a pipe

lengthofupto4m,thenominaldiameteroftheentiredischargepipemustbe

implemented one nominal diameter size larger. More than 3 elbows and a pipe

length above 4 m are notpermitted. The discharge pipe must be installed with

a fall. The drain pipe downstream of the tundish must have a diameter at least

twice as big as the valve inlet diameter. Place a sign close to the safety valve

discharge pipe with the following inscription:

"Forsafetyreasons,waterisdischargedfromthedischargepipe

duringheating.Donotcloseoffthedischargepipe".

Please note

Sizingofthesafetydevices

3.Technicalinformation

Ensure that the cylinder's packaging, and that of any accessories used, is

disposedofcorrectly.Packagingiscollectedbyourcertieddisposalpartners.

Disposal

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4.AppliancedescriptionCPM-1-70/CEW-1-200

CEW-1-200DHWcylinderwithinternalindirectcoil.

Steel cylinder with corrosion protection provided by special enamelled

coatingontheinnerwallofthecylinder,complianttoDIN4753.Additional

corrosionprotectionprovidedbysacricialmagnesiumanode.DHWcylinder

forDHWheatinginconjunctionwithaheatpump.

SuitableforsystemstoDIN1988,EN12828andDIN4753.

DimensionsanddesignaretailoredtotheWolfheatpumprange,enabling

variable combination.

TheDHWcylinderisequippedwithahighlyefcientbare-tubeheat

exchangerwithindirectdualcoilforconvenientDHWheating.

The PU rigid foam insulation ensures minimum radiation and standby heat

losses.

CEW-1-200

The dimensions and design of the buffer module CPM-1-70 are tailored to

theWolfheatpumprange,enablingvariablecombination.

The CPM-1-70 is supplied ready for connection as a separating cylinder or

cylinderinseries.Itisdesignedtoprovideoptimumevaporatordefrosting,in

particular for the BWL-1 air/water heat pumps.

Whenconnectedasaseparatingcylinder,italsoactsasalowlossheader.

AclassAhigh-efciencyheatingcircuitpumpandthree-waydivertervalve

forDHWheatingarealreadyinstalledinsidethecasing,includingthe

necessarypipework,readyforconnection.TypeCPM-1-70/7with7mpump

and type CPM-1-70/8 with 8m pump.

The PU rigid foam insulation ensures minimum radiation and standby heat

losses.

Apre-installed,thermallyinsulatedsafetyassemblyissuppliedforon-site

installation.

CPM-1-70

StandarddeliveryCPM-1-70

Packagedinbox,fullyencased,

classAhigh-efciencypumpand

3-waydivertervalvewithallnecessarypipework,

readytoconnect,incl.installedboilerdrain&llvalve,

adjustablefeet,installedsensorwellandventvalve;

safety assembly and connecting cable for 3-way diverter valve

andhigh-efciencypumpprovided,

connecting pipe for separating cylinder version with heat pump

returnowincluded,

installation instructions included.

Standarddelivery CEW-1-200

Packagedinbox,fullyencased,readyfor

connection,incl.installedboilerdrain&llvalve,

adjustable feet and installed sensor well;

installation instructions included.

3064300_201703

5.Transport

- The appliance should be transported fully packaged and on a pallet

- A sack truck is a suitable for this

- Positionthesacktruckbehindthecylinder,securewithastrapand

transport to the installation location

- Remove strap and packaging

- Removethefourxingscrewsonthepallet

- Lift the cylinder off the pallet

Transport

- The cylinder should be installed on a level surface which is substantial

enough to carry its weight.

- Level the cylinder horizontally using the adjustable feet.

Strap

3064300_201703

CPM-1-70andCEW-1-200areinstalledagainstawall.Toallowforttingthe

connections,ensureamin.clearanceof200mmfromthewall.Astheirbody

isround,theSEW-1andSEM-1Wcanberotated,consequentlynowall

clearance is required.

A clearance of 800 mm must be maintained at the front for ease of

installation,maintenanceandrepair.

TheCPM-1-70+CEW-1-200Hydrotowerrequiresaminimumroom

heightof2.30m.

Wheninstallingincombinationwithheatpumps,theminimumclearances

speciedfortheBWL-1andBWS-1mustalsobeobserved.

Recommended minimum wall

clearancesCPM-1-70

Service clearances

Ceiling

Wall

≥0mm

≥200mm

≥2300mm

CPM-1

CEW-1

≥800mm

1980 mm

182 mm

Hydrotower

6.MinimumclearancesCPM-1-70

3064300_201703

7.CombinationswithCEW-1-200

The combination with Wolf heat pumps provides a variety of space-saving

installation options.

The Wolf WPM-1 heat pump manager with integral BM programming unit

is a required accessory for all heat pumps and cylinders. The cylinder

temperature sensor is available as a required control accessory.

Combinationoptions

ForhigherDHWdemandorheatpumpoutput,combinewitheitherthe

SEW-1-300 or SEW-1-400 instead of the CEW-1-200.

BrineheatpumpBWS-1+cylinderCEW-1-200formax.10kWheatpump

output. The following installation options are available when in combination

with brine heat pumps.

CEW-1-200 + BWS-1

CEW-1-200 BWS-1

WPM-1

BWS-1

CEW-1-200

WPM-1

Space-saving modular principle with air/water heat pump BWL-1

forexternalorinternalinstallationand

HydrotowercomprisingCEW-1-200+CPM-1-70.

Formax.air/waterheatpumpoutputof10kW.

CEW-1-200 / CPM-1-70

+ BWL-1

BWL-1-I

Hydrotower

WPM-1

BWL-1-A

Hydrotower

WPM-1

BWL-1...AExternalinstallation

BWL-1 ... I Internal installation

CPM-1-70

CEW-1-200

CPM-1-70

CEW-1-200

3064300_201703

8.Dismantling/assemblingtheCPM-1-70casing

Undothescrewsonthe

frontcasingandremove

thefrontcover

Pull"top"sectionofcasing

forwardsandremoveit

3064300_201703

9. Fitting the CPM-1-70 to the CEW-1-200

AssemblingtheHydrotower ThebuffercylinderCPM-1andDHWcylinderCEW-1-200aresupplied

separately and must be assembled on-site.

1.RemovecasingcoverfromDHWcylinder

2. Place buffer cylinder on the mounting bracket of the CEW-1 and align

them vertically.

3. Then hook the securing tabs into the back of the casing of the CPM-1-70

and secure in place as illustrated.

The casing of the CEW-1-200 bears the entire weight of the buffer

cylinder.

4.Hoseconnections

HoseconnectionsetBWL-1/BWS-1

Suitable for establishing the hydraulic

connections between the CEW-1-200 and the

BWS-1-6/8/10asacentre,orbetweenthe

CEW-1-200andCPM-1-70asaHydrotower.

Insulated corrugated stainless steel hoses with

unionnutttings,atgasket,2xG1½",

L = 1400/1950 mm

Forotherpipework:

HoseconnectionsetBWL-1/BWS-1

Suitable for establishing hydraulic

connections.

Corrugated stainless steel hoses with

unionnutttings,atgasket

2xG1½",L=1000mm

WhencombiningtoformaHydrotower,the

casingcoveroftheCEW-1isnotrequired

3064300_201703

10.PipeworkconnectionsforCPM-1-70

ascylinderinseries

PipeworkconnectionsfortheCPM-1-70asacylinderinseriesforair/waterheatpumpBWL-1,

connectiontypeA

Heatpump-ow

DHW-ow

Heatpump-return

DHW-return

Heating-return

Heating-

ow

Sensor well

BDF valve

3-way valve

24V AC

Heatingcircuitpump

class A

7m or 8m

head

Manual air-vent valve

Front view

Rear view

Connection type A applies to the CPM-1-70 as a cylinder in series

3064300_201703

PipeworkconnectionsfortheCPM-1-70asaseparatingcylinderforair/waterheatpumpBWL-1,

connectiontypeB

Heatpump-ow

DHW-ow

Heatpump-return

DHW-return

Heating-

ow

BDF valve

Heatingcircuitpump

class A

7m or 8m

head

Sensor well

Heating-

return

Connection pipe

for heat pump

return

Connection type B applies to the CPM-1-70 as a separating cylinder

IftheCPM-1-70isusedasaseparatingcylinder,theconnectionpipefortheheatpumpreturnmustbeinstalled

on-site. It is included in the standard delivery.

Pleasenote:

Thecylindercannotoperateproperlyasaseparatingcylinderwithouttheconnectionpipefortheheat

pumpreturn.

Manual air-vent valve

Front view

Rear view

3-way valve

24V AC

11.PipeworkconnectionsforCPM-1-70

asseparatingcylinder

3064300_201703

The CEW-2-200 can be installed in combination with the BWL-1S-07/10/14

or BWL-1SB-07/10/14 as a stacked heating centre.

Splitheatingcentrewith

CEW-2-200

Split heating centre with CEW-2-200

Height,indoormodule A mm 790

Height,CEW-2-200 B mm 1290

Overall height C mm 2080

Overallheightwith25lexpansionvessel(ADG)

(accessories - on back of indoor unit)

D mm 2160

Width E mm 650

12. AppliancedescriptionCEW-2-200

CEW-2-200DHWcylinderwithinternalindirectcoil

Steel cylinder with corrosion protection provided by special enamelled

coatingontheinnerwallofthecylinder,complianttoDIN4753.Additional

corrosionprotectionprovidedbysacricialmagnesiumanode.

SuitableforsystemstoDIN1988,EN12828andDIN4753.

DimensionsanddesignaretailoredtotheWolfheatpumprange,enabling

variable combination.

Thecasingisdesignedforhighload-bearingcapacity,toallowtheindoor

module of a BWL-1S split air/water heat pump to be mounted on the

CEW-2-200.

TheDHWcylinderisequippedwithahighlyefcientbare-tubeheat

exchangerwithindirectdualcoilforconvenientDHWheating.

The PU rigid foam insulation ensures minimum radiation and standby heat

losses.

CEW-2-200

DHWcylinder

Standarddelivery CEW-2-200

Packagedinbox,fullyencased,readyfor

connection,incl.boilerdrain&llvalve,

adjustablefeet,installedsensorwell;

installation instructions included.

170 170

691

650

338

650

3064300_201703

13.Minimumclearancesforsplit

heatingcentrewithCEW-2-200

Minimumclearances

Splitheatingcentrewith

CEW-2-200

≥2100(2200*)

OverallheightwithADG*

≥800

≥300

≥500

Service clearances

3064300_201703

BWL-1S

indoor module

AM display module

CEW-2-200

DHWcylinder

BM-2 programming unit

serves as remote control

BWL-1S

outdoor modules

Splitheatingcentre

14. Combination BWL-1S with CEW-2-200

3064300_201703

Splitheatpumpindoormodule-ow

Splitheatpumpindoormodule–return

Cold water

DHW

DHWcirculation

15. Connection CEW-2-200

CEW-2-200

3064300_201703

16.InstallationBWL-1S(B)onCEW-2-200

Step1 Step2

Installationofindoormodule

on CEW-2-200

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Wolf DHW Series Installation Instructions Manual

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Model: DHW Series

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