Kospel EKCO Series Manual de usuario

ELECTRIC CENTRAL HEATING FLOW BOILER

EKCO.M1z EKCO.M1Nz

EKCO.TM

Contents

Safetyinstructions 3

Basicinformationabouttheboiler 3

Instruction for the installer

TechnicalData 4

Installationoftheboiler 4

ConnectingexternalappliancestotheZIOmodule 7

Boilerincascadeconnection 9

Externalmodeswitching 10

Instruction for the user

Controlpanel–introduction 11

Mainview 11

Choosingthedisplayview 12

Selectingthelanguageversion 13

BoilernadDHWCylinderconfiguration 13

Outdoortemperaturecompensation 14

Automaticsummermode 15

Workingmodes 16

Automaticworkwith24HTemperatures,weeklyprogramming 16

Pumpworkingmode 18

Currenttimesetting 19

Roomtemperaturesensor 19

DHWPump 20

DHWcylinder 20

Heatingofthesecondcircuit 22

Centralheatingparametersview 22

Faults 23

Servicemenu 23

Boilerincascadeconnection 25

GSMremotecontrol 26

Instruction for the installer

TechnicalData 4

Installationoftheboiler 4

ConnectingexternalappliancestotheZIOmodule 7

Boilerincascadeconnection 9

Externalmodeswitching 10

PL-015B/f.

Safety instructions

1. PleasereadandfollowtheInstallationandOperatingInstructionscarefully,toensurethelonglifeandreliableoperation

ofthisappliance

2. Theboilerinstallationandallelectricalconnectionsmustbemadebyanqualifiedperson.

3. Manufacturermaymakeminorchanges,ifnecessaryintheappliancethatwillnotbeshownintheoperatinginstruc-

tions,solongasthemainfeaturesoftheboilerremainthesame.

4. TheControlPanelispre-setbythemanufacturersoitisreadytobeoperated,howeveryoucanadjustthemanufacturer

settingstoyourindividualrequirements.Appropriateprogrammingensurescomfortableandeconomicaloperationof

theboiler.

5. Itisnecessarytocutoffallpowersupplyusingeithertheboilerswitchesorswitchingoffthefusepriortoremovingthe

boilerfrontcasing.

6. Donotdrainthewaterfromcentralheatingsystemaftertheheatingseason.

7. Inbuildingsweretheboilerisoperatedonlyontemporarybasisandtheheatinginstallationcanbeexposedtofrost,

theboilermustbeoperatedatalltimesusinganti-freezemode,ortheheatinginstallationmustbeprotectedusingan

anti-freezeliquid.

Basic information about the boiler

Theprovidedinstallationandoperatinginstructionsreferstothefollowingboilertypes:

• EKCO.M1z,EKCO.M1Nz,EKCO.TM–wall-mountedelectricboiler,single-functional,withtheweathercompensation,

enabletoco-operatewithoneortwocentralheatingcircuits(e.g.radiatorsandunder-floor),withtheDHWcylinder

andthecentralheatingflowpump.

Theboilersmentionedaboveshallbeoperatedonaclosed(unvented)centralheatinginstallationwithaforced

watercirculation,protectedinaccordancewiththebindingnormsandstandards.Theboilerscanalsoworkon

opened(vented)centralheatinginstallationswithforcedcirculationprotectedinaccordancewiththebindingnorms

andstandards.

Theyareequippedwithafrontcontrolpanel,whichtakesintoconsiderationcurrentoutdoortemperature.This

featureensuresanalmostautomaticoperationoftheboiler.Accuratesettingoftheheatingparametersensures

economicaloperationoftheboiler.

Theboilerisequippedwithacirculatingpump,amanometerandanautomaticventvalve.

Theboilerisalsoequippedwithanumberofothersafetydevices:

• flowcontrolsystem,

• innertemperaturesensor,

• temperaturecut-outandsafetyvalve.

Thepoweroftheboilershouldbeadjustedaccordingtotheheatlossoftheheatedbuilding.

Technical data

Instructionfortheinstaller

Boiler installation

Installation conditions

• anappropriatepowersupply,

• anefficientelectricalinstallationwhichhasbeencompletedinaccordancewiththebindingnormsofelectricinstallation,

• wetcentralheatingsystemequippedwithanappropriateexpansionvesselmadeaccordingtothebindingnormsofhydraulic

installation,

• theheatinginstallationneedstobeflushedthoroughlybeforetheinstallation,

• theboilermustbeprotectedfromdirtbyusingamagneticfilter,

• donotinstallanybarrierfittings(e.g.valves)ontheoutletofthesafetyvalve,

• thisappliancemustnotbeinstalledinahumidplaceorinaplaceexposedtothedangerofexplosion,

• iftheboileristoco-operatewithanunder-floorheatingsystemprotectingfittingsmustbeinstalled(fig.2bor3).

Amagneticfiltermustbeinstalledonreturnpipeofcentralheatinginstallationsystem(before

boilerinlet).Thefiltermustbeinstalledinhorizontalposition,accordinglytoflowdirection(see

arrowonthefilterbody),withthemagneticinsertchambertothebottom.

Maximalpressure MPa 0,3

Minimalpressure MPa 0,05

Outflowwatertemperature °C 20÷85

Max.watertemperature °C 100

Dimensions(heightxwidth

xdepth)

EKCO.M1z

660x380x175

EKCO.M1Nz

700x425x285

EKCO.TM

815x503x197

Weight

EKCO.M1z

~16

EKCO.M1Nz

24,5

EKCO.TM

~29

Waterconnections

EKCO.M1z,EKCO.M1Nz

G3/4”

EKCO.TM

G1”

Safetyclass IP21

Boiler type

EKCO.M1z,EKCO.M1Nz

Ratedpower kW 4 6 8 12 4 6 8 12

Ratedvoltage 220V~ 380V3N~

Ratedcurrent A 18,0 27,27 36,5 54,5 3x6,1 3x9,1 3x12,8 3x18,3

Fuseratedcurrent A 25 32 40 63 10 16 25

Minimalconnectingwiresdiameter mm23x2,5 3x4 3x6 3X10 5x1,5 5x2,5

Themaximumallowednetworkimpedance

Ω0,44 0,39 0,34

Boiler type

EKCO.M1z,EKCO.M1Nz

EKCO.TM

Ratedpower kW 15 18 21 24 30 36 42 48

Ratedvoltage 380V3N~

Ratedcurrent A 3x22,8 3x27,4 3x31,9 3x36,5 3x45,6 3x54,5 3x63,9 3x73,0

Fuseratedcurrent A 25 32 40 50 63 80 100

Minimalconnectingwiresdiameter mm25x2,5 5x4 5x6 5x10 5x16

Maximalconnectingwires

diameter

EKCO.M1z,EKCO.M1Nz

mm25x16

EKCO.TM

phaseconductor(2x16each),neutralandprotectiveconductor(1x16)

Themaximumallowednetworkimpedance Ω0,14 0,09 0,035 0,03

PL-015B/f.

Installation work

1. Hangtheboilerupinaverticalpositiononfixingscrews

with inlet and outlet pipes to the bottom, maintaining

clearancesfromthewallsandtheceiling(seefig.1).

2. Connecttheboilertoacentralheatingsystemequipped

withcut-offvalves(seefig.2&fig.3).

3. Fillthecentralheatingsystemwithatreatedwater,that

extendsthelifeoftheheatingelements.

4. Ventthecentralheatingsystem.

5. Connectaboilertotheelectricalsystem(seefig.4).

Instructionfortheinstaller

Fig.1a,1b,1cFixingtheboilertothewall

Important

Thecontrolpanelallowsforitsco-operationindifferent

centralheatingsystems,howeverthecontrolpanelneeds

tobesetaccurately(see„FrontcontrolPanel”„Extanded

Menu”).e.g.iftheboileronlyco-operateswithanunder-

floorheatingsystem,aTcomax(max.temperatureinthe

centralheatingsystem)mustbesetat60°CandWCHG

(radiator coefficient) at „Pod” (see „Extended Menu” on

page24).

Special start-up procedure for EKCO.TM

Aflowratereadingerrormayoccurifyoustart-upthe

unit at low ambient temperature. This error may occur

becausethephysicalpropertiesofantifreezesolution.

Underthiscircumstances,thespecialstart-upprocedure

willstartifyou:

- activatethecentralheatingorcylinderheatingmodeusing

thecontrolpaneldisplay(seefig.14),

- closetheNAentryonZIOboard(seefig.6),

- noticethe„!”(anexclamationmark)atmainviewpanel

display(see„Failures”page12).

Asaresult,themediumwillbewarmeduptotempera-

turethatenabledyoutoreadtheflowratecorrectly.The

duration of procedure depends on both the installation

capacityandthetemperatureinsidethesystem.

Whenthemainviewpaneldisplay(fig.10,11)andthe

central heating parameters view (fig. 31) shows boiler

powervalue and („-”, „--”)alter-nately it means thatthe

procedureisstarted.

The procedure will switch off automatically and the

unit will start normal operation once the minimal flow

rateisreached.

EKCO.M1z

EKCO.M1Nz

EKCO.TM

inlet outlet

 Tzew - outdoortemperaturesensor

 Tpok - roomtemperaturesensor

 ZP - straight-throughvalve

 ZT - thermostaticvalve

 ZO - air-ventvalve

 ZRC - differentialpressurereliefvalve

 NW - expansionvessel

 RW - expansionpipe

 F - magneticfilter

 ZK - cut-offvalve

 Tzew - outdoortemperaturesensor

 Tpok - roomtemperaturesensor

 NW - expansionvessel

 RW - expansionpipe

 F - magneticfilter

 ZK - cut-offvalve

Fig.2 Exemplaryschemeofcentralheatingsystem

a)-radiatorssystem(oneheatingcircuit)

b)-under-floorheatingsystem(oneheatingcircuit)

Instructionfortheinstaller

 Pc.w.u - circulationpump

 F - magneticfilter

 NWc.o. - CHexpansionvessel

NWc.u.w.- DHWexpansionvessel

 RW - expansionpipe

 ZB - safetyvalve

 ZK - cut-offvalve

 ZO - air-ventvalve

 ZP - straight-throughvalve

 ZT - thermostaticvalve

Fig.3 Exemplaryschemeofcentralheatingsystem–radiators,under-floorheating,DHWcylinder,DHWcircuit

 ZZ - non-returnvalve

 c.w.u. - domestichotwater(DHW)

 PO - circulationpump

 Tco2 - sensorofthemediumtemperatureinthesecondcircuit

 TPO - circulationpumpthermostat

 Tpok - roomtemperaturesensor

 Tzas - thermostatorcylindertemperaturesensor

 Tzew - outdoortemperaturesensor

 ZAS - DHWcylinderwithaheatingcoil

 ZTD - three-wayvalve

 ZM - three-pointmixingvalve

 Z.W. - coldwater

PL-015B/f.

4Fig.4 Connectiontotheelectricmains

Instructionfortheinstaller

5a 5b

Fig.5a  Connection ofthe EKCO.M1zto the threephase

system

 PNL - pointsofneutralandprotectiveconductorcon-

nection

 PF - pointsofphaseconductorsconnection

 [6] - temperaturelimiter

Fig.5b  ConnectionoftheEKCO.M1zto the single phase system (for

boilersof4kW,6kWand8kW)

 PNL - connection points of neutral, protective and

phaseconductor

 [6] - temperaturelimiter

 [15] - wireset

External appliances

Anumberofotherappliancesornecessarysensors(fig.6)canbeconnectedtotheboileraccordingtothein-

dividualrequirements.ThetemperaturesensorsshouldbeconnectedusingaLIYY2x0,14orsimilartypeofwire.

Payspecialattentiontothesensorsending,incorrectwiringmayresultinshortcircuit.Theconnectingwirelengths

mustbelimited.Alongwiremaycauseinterferenceandfaultysensoroperation.Thewiresmustnotberuninthe

sameconduitwith(ortoocloseto)electricalwiring,andmustnotbewrappedaroundanyotherwiresorcables.

Thesensorlocationisessentialforitsproperfunctioning.

Outdoortemperaturesensorshouldbeinstalledinthecoolestplaceinthebuilding(northbuildingside),rela-

tivelyfarawayfromtheheatsource(e.g.windowsthatcanbeopened,ventilationducts,chimneysandotherheated

surfaces).Donotinstalltheoutdoorsensorintheplaceexposedtodirectsunshine

Indoortemperaturesensormustbelocatedinsidethebuilding,inthemostcommonlyusedroom,relativelyfaraway

fromwindows,radiators,doorsandotherplacesthatmayhaveaffectoncorrecttemperaturemeasuring.Theindoor

temperaturesensorisoptionalaccessory.Formoreinformationaboutsensorseepage19-„Roomtemperaturesensor”.

Electric installation should be equipped with residual

current protective devices and other solutions which

will ensure disconnecting the unit from the source of

power (intervals between all their poles should not be

less than 3 mm).

Note: 4, 6 and 8kW boilers are factory pre-set to work as single phase boilers [figure 5b]. If you

intend to connect the boiler to a three-phase system, take off the [15] wire set.

Fig.6 ConnectingexternalappliancestotheZIOboard

U1 - master appliance

Tzas - DHW Cylinder temperature sensor (WE-008)

Tco2 - second heating circuit temperature sensor (WE-008)

Tzew - outdoor temperature sensor

Tpok - room temperature sensor

U3 - DHW Cylinder thermostat

U2 - device for night or antifreeze work mode

U+ - valve supply - 230V (open/heating)

U- - valve supply - 230V (close)

N - neutral conductor

U - pump supply - 230V

N - neutral conductor

PE - protective conductor

N - neutral conductor

U - pump supply - 230V

LB - valve supply of B circuit (DHW Cylinder)

LA - valve supply of A circuit (central heating system)

N - neutral conductor

ZTM – three way mixing valve (under-floor heating or second heating circuit)

PUMP A2 - second circuit pump

CWU - DHW pump

ZAS - three-way switching valve (DHW Cylinder)

Total output current < 2A

Connecting external appliances to the ZIO module

Anumberofotherappliancesornecessarysensors(fig.6)canbeconnectedtotheboileraccordingtothein-

dividualrequirements.ThetemperaturesensorsshouldbeconnectedusingaLIYY2x0,14orsimilartypeofwire.

Payspecialattentiontothesensorsending,incorrectwiringmayresultinshortcircuit.Theconnectingwirelengths

mustbelimited.Alongwiremaycauseinterferenceandfaultysensoroperation.Thewiresmustnotberuninthe

sameconduitwith(ortoocloseto)electricalwiring,andmustnotbewrappedaroundanyotherwiresorcables.

Thesensorlocationisessentialforitsproperfunctioning.

Outdoortemperaturesensorshouldbeinstalledinthecoolestplaceinthebuilding(northbuildingside),relatively

farawayfromheatsource(e.g.windowsthatcanbeopened,ventilationducts,chimneysandotherheatedsurfaces).

Donotinstalltheoutdoorsensorintheplaceexposedtodirectsunshine.

Indoortemperaturesensormustbelocatedinsidethebuilding,inthemostcommonlyusedroom,relativelyfaraway

fromwindows,radiators,doorsandotherplacesthatmayhaveaffectoncorrecttemperaturemeasuring.Theindoor

temperaturesensorisoptionalaccessory.Formoreinformationaboutsensorseepage19-„Roomtemperaturesensor”.

Master appliance – youcanlimittheboilerelectricityconsumptionbyconnectingthemasterappliance(e.g.

instantaneouswaterheater)–seefig.6.Themasterappliancemustbeequippedwiththerelayoutput.Theoutput

shouldbeconnectedtotheNAentryintheZIOboardbyusingLIYY2x0,14orsimilartypeofwire. Do not con-

nect any voltage to NA entry! Useanappropriaterelayifthemasterappliancecancontrolthevoltagesignalonly.

NA entry must remain closed if not used!

Instructionfortheinstaller

PleaserefertotheappropriatesectionofthismanualforZIOboardworkdetails.

DHW temperature reading

Controllercanmeasureawatertemperaturefor:a)cylinderthermostatequippedwithafreevoltageoutput.b)

cylindertemperaturesensor(WE-008offerbyKospelS.A.-optionalequipment)Setthe„ExtendedMenu”foroption

aorb.Forthermostatcontactsandcylindersensorconnectiondetailsseefig.6.

PL-015B/f.

Instructionfortheinstaller

DHW pump

TheboilerisabletocontrolDHWpump.Thepumpoperationcanbesettomeettheindividualneeds(24hours

program).ThepumpshouldbeconnectedtoZIOboardasshowninfig.6(page8).Thepumpissuppliedwith230V.

Connecting the mixing valve of the second circuit.

TheZTMcontactsofZIO22boardenablestoconnectthemixingvalvewith3pointdrivetosupplythesecond

heatingcircuit(fig.3ZMvalve).Thiscircuitmustbeadjustedtothelowerparametersthanthecircuitoftheboilere.g.

whenthecircuitoftheboilerissetforthemaximumtemperatureof85oC(seethe„ExtendedMenu”forWChG,WChG2,

TcomaxandTc2maxparameters),thesecondcircuitcansupplytheunderfloorheatingsystemwiththemaximum

temperatureof60oC.Inthiscaseitisnecessarytorememberthattheextrasafetydeviceshastobeinstalledtopre-

venttheoverheatingofthesecondcircuit.TheWE-008sensormeasurestemperatureofthesecondheatingcircuit.

Cascade connection

Youcanconnectnumberofboilerstoincreasepower.Themaximumnumberofslaveunit(EKCO.L1zorECKO.T)

incascadeis8.Theslaveunitmustbeequippedwithaspecialcontrollertoenablecascadeconnection.Forhy-

draulicconnectiondetailsseefig.7a.

 Tzew - outdoor temperature sen-

sor

 Tpok - roomtemperaturesensor

 ZP - straight-throughvalve

 ZT - thermostaticvalve

 ZO - air-ventvalve

 ZZ - non-returnvalve

 NW - expansionvessel

 RW - expansionpipe

 F - magneticfilter

 ZK - cut-offvalve

Fig.7a Boilerincascadeconnection

Three-way valve connection (DHW Cylinder)

ThereisaZASconnectoronZIO22board.(fig.6,page8).Ifthereisaneedtoheat-upthewaterintheDHW

cylindertheLBcontactisissuppliedwith230V.Inthecaseofboilerheatthewaterinthecentralheatingsystem

theLAcontactisfedfrom230Vsupply.Youcanconnectathree-wayvalvetotheZASconnectortoswitchthe

centralheatingsystemcircuitforDHW,ifnecessary.InthecaseofDHWheatingtheoutlettemperatureissetat

800C(standardsetpoint).Youcanlowertheoutlettemperaturebysettingthe„ExtendedMenu”.Kospelrecommends

tousetheVCZMH6000Ethree-wayvalvewiththeVC6012ZZ00servo-motorandthe45900445-013Bwire.The

three-wayvalveworkiscontrolledbysupplyingvoltageof230Vtoeitherbrownorblackwire.Thebluewiremust

beconnectedtotheterminalofneutralconductor„N”.Ifyouusethebrownwireyouwillopentheportbetween

„AB”inletand„B”outlet.Ifyouusetheblackwireyouwillopentheportbetween„AB”inletand„A”outlet.See

valvebodyfortheinletandoutletmarking.

Fig.6showsthethree-wayvalveconnectiondiagram.Connectiondiagramisbasedonthefollowingassumptions:

theboilerhotwateroutletiscombinedwiththe„AB”inletofvalve.AandBoutletsfunction:

A-CHsystem

B-supplyingofDHWCylinder.

Inthisconfigurationyoumustconnect:

- blackwireof45900445-013BcabletotheLAterminal(inZIOboard)

- brownwireof45900445-013BcabletoLBterminal(seefig.6)

- bluewireof45900445-013BcabletotheNterminal(seefig.6)

TosettheEKCO.M1z/EKCO.TMtoworkincascadechangethe„Nr”parameterinthe„ExtendedMenu”fora

requirednumberofslaveboiler.

TosettheEKCO.L1zorEKCO.Ttoworkincascadethe„ExtendedMenu”settingshavetobechanged:

a) setfor„r1”

b) setuptheunitaddress–e.g.„A1”

Theboileraddressisanumberthatinformabouttheboilerinthenetworkconnection.Eachboilerhasitsown

address.Theaddressnumbercannotbehigherthannumberofslaveboilers.Forexample:ifyoubuildboilerscas-

cadesystemwiththeEKCO.M1z/EKCO.TM(asamasterappliance)andthreeotherboilers(asaslaveappliances),

theslaveapplianceshouldhavethefollowingaddresses:A1,A2andA3.

Theboilersmustbeconnectedintothemains(usee.g.LIYY2x0,14wire).Seefig.7b.

Fig.7b Additionalelectricalconnectionforboilersincascade

Theboilersmustbeconnectedintherow.

External mode switching

ThereisRPentryonZIOboard.ClosetheRPinputifyouneedtoswitchtoantifreezeornighttimeoperatingmode.

Set-upthe„ExtendedMenu”toselectmode.DonotconnectanyvoltagetoRPentry!Thisentryallowsconnecting

theexternalcontrollerwiththerelayoutputandsimplifiedboilercontrollingbymobilephone.

Instructionfortheinstaller

PSK.P4Controller

forthenextboilers

Este manual sirve para los siguientes modelos

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