ASKOMA ASKOHEAT-F+ User manual

Fitting instructions, user manual and service
ASKOHEAT‐F+ MVGASV_012‐6791_V01_en www.askoma.comPage1
Flange heater Ø 180mm
for industrial and heang water
AHFR‐BI‐plus‐1.75 up to 5.8 kW
 AHIR‐BI‐plus‐1.75
 AHIR‐BI‐plus‐3.5
 AHIR‐BI‐plus‐4.4
 AHIR‐BI‐plus‐5.8
Index
GeneralsafetyandassemblyinformaonPage2
OperanginstruconsPage3
AssemblyinstruconsPage4
UsermanualPage6
OperangcondionsPage7
ElectricaldiagramPage8/9
ServicePage10
MalfunconPage10
Please keep in a safe place
ASKOHEAT‐F+ FlangeheaterØ180mm

Assembly information



The device must be installed horizontally, an installaon from above or below is not permiet for
safety reasons.
Makesurethattheheangtubesareenrelycoveredbytheliquidbeforeplacingintooperaon.
Thecirculaonoftheliquidshallnotbeinhibited.

Operangdata,applicaon,dimensionsandmodeloftheflangeheaterareontheidenficaonplate
andcircuitdiagramonthedevice,respecvelyinsidethehousingcover,orcanbefoundinthefing
instrucons/usermanuals.

 Donotplacethedeviceintooperaonunlaerhavingreadtheusermanual.


 Thesedevicesmaybeusedbychildrenaged8ormoreandbypersonswithreducedphysical,senso‐
ryormentalcapacityorthoselackinginexperienceand/orknowledgeiftheyaresupervisedorif
theyhavebeeninstructedinsafeoperaonofthedeviceandunderstoodtheresultantdangers.
Childrenmaynotplaywiththedevice.Thedevicemaynotbecleanedorservicedbychildrenunless
theyaresupervised.
General safety information
Installation, setting and removal must be
carried out only by qualified electricians.
ASKOHEAT‐F+ MVGASV_012‐6791_V01_en www.askoma.comPage2
FlangeheaterØ180mm
ASKOHEAT‐F+

Operating instructions

Important information
Ifaheatexchangerisfiedinthesametank,thecontrollermustlimitthetemperaturecausedbythe
heatexchangerto85°C.Thispreventsthesafetytemperaturelimiteroftheflangeheatertripping.

Safety temperature limiter
Thesafetytemperaturelimitermaytripattemperatureslowerthanapprox.–15°C(e.g.transportaon
orstorage).Ifthishappens,presstheresetbuon,seepage6“usermanual”.

The device may only be used to heat water.
Corrosion protection
Pleasenote:Thisheangelementisapplicableinstainlesssteelboileraswellasinblacksteel/black
steelenamelledboilers.SelectthesengsviaDIPswitchaccordingtotheboilertype.
Foraninstallaonoftheheangelementintoblacksteelorblacksteelenamelledboilers,theredslide
switch(DIPswitch)hastobeleinposion“Schwarzstahlspeicher”(factoryseng).
Wheninstallingtheheangelementintoastainlesssteelorchromesteelboiler,theslideswitch
(DIPswitch)hastobeswitchedtoposion“Edelstahlspeicher”.

Electrical connection
Thedeviceisintendedforfixedconnecononlyandmaybeconnectedonlytofixedcables.Selecta
cablecross‐seconsuitableforthepowerrangofthedevice.Allpolesofthedevicemustbeableto
bedisconnectedfromthemainsbymeansofanatleast3mmisolangdistance.ThePEwiremustbe
100mmlongerthantheotherconductors.

In the event of the following the guarantee is void:
‐ Notcomplyingwiththispaperwork„Finginstrucons,usermanual,andservice“
‐ Notcomplyingwiththestorageheatermanufacturer'sfinginstrucons
‐ Technicalmodificaons,repairsortamperingwiththedevice(includingexchangingthethermostat)
‐ Applicaonsforwhichthedevicewasnotdesigned
‐ Incorrectoperaonandmaintenance
‐ NotcomplyingwithdirecveVDI2035
‐ Manipulaonsontheoperangsoware
‐ Undocumentedparameterizaonsviathedocumentedinterfaces



ASKOHEAT‐F+ MVGASV_012‐6791_V01_en www.askoma.comPage3
ASKOHEAT‐F+ FlangeheaterØ180mm

Assembly instructions
ASKOHEAT‐F+ MVGASV_012‐6791_V01_en www.askoma.comPage4
ASKOHEAT‐F+
1.
6.
3. 4.
5.
2.
Screw the flange heater including the seal onto the storage tank,
note the installation position, see „TOP“ sticker
Tighten screws by hand
Carefully unscrew the housing cover
Clean the sealing surface of the flange
Tighten the screws with a torque wrench
Fill the tank and check for leaks
FlangeheaterØ180mm

Connect flange heater electrically
‐Plug Z1—Connectthepowersupplytotheheangelementasfollows:
Connecon1:L1
Connecon2:L2
Connecon3:L3
ConneconN:N
ConneconPE:PE


‐Plug Z2—Temperaturesensor(oponal)
Connecon1:Temperaturesensor1
Connecon2:Temperaturesensor2
Connecon3:Temperaturesensor3
Connecon4:Temperaturesensor4
Connecon5:GND
Connecon6:RelayK4




‐Plug Z3—Heatpumprequest/0‐10Vanaloguesignal(oponal)
Connecon1:GND
Connecon2:Heatpumprequest
Connecon3:Analogueinput0‐10V
Connecon4:RS485:A
Connecon5:RS485:B
Connecon6:RS485:GND




‐Plug Z4—LANconneconviadatacableandRJ45socket
Assembly instructions
ASKOHEAT‐F+ MVGASV_012‐6791_V01_en www.askoma.comPage5
ASKOHEAT‐F+ FlangeheaterØ180mm

User manual for the user and qualified installer
Device description
TheASKOHEAT‐F+ isswitchedin7stepsviathedigitalModbusinterfaceortheanalogue0‐10Vinput.In
addion,themaximumlevelupto24hourscanbeacvatedviathe„EmergencyOn“buon(Pos.3)or
thedigitalinput„Heatpumprequest“.

Theuseoftheinterfaceisdescribedinaseparatedocument(Modbusprotocl)andcanbedownloaded
fromourhomepage.

Temperature control
Themaximumtemperaturecanbeconnuouslyadjustedwiththerotaryknob(pos.1).Therangeex‐
tendsfrom„Out“toapprox.85°C.Foreconomicreasons,itshouldbesettoapprox.65°C.
Whenthetemperatureisreached,thedeviceswitchesoffandonagainautomacallyifnecessary.

Safety temperatur limiter
Ifthesafetytemperaturelimiterhastripped,youcanresetitwitha"00screwdriver"throughthe
openingmarked"Reset".Thiscannotbedoneunlthetemperaturehascooleddownbyapprox.10K.

Emergency operation „Emergency On“
Themaximumheangoutputcanbeswitchedonimmediatelywiththe„EmergencyOn“buon.Todo
this,pressthebuonforatleast2seconds.Thismaybenecessaryintheeventofafaultorifaddio‐
nalheatisrequired.Toswitchoff,pressthebuonagainforatleast2seconds.Forsafetyreasons,the
ASKOHEAT‐F+ automacallyswitchesbacktonormaloperaonaer24hours.
Safety:EN60335‐1/‐2‐21/‐2‐73
EMC:EN55014‐1/‐2
CEM:EN62233
IPCode:EN60529
Applicable
standards
Pos.1Temperaturecontrol
Pos.2Resetbuon
Pos.3EmergencyOn
Pos.4Operanglights
ASKOHEAT‐F+ MVGASV_012‐6791_V01_enwww.askoma.comPage6
ASKOHEAT‐F+ FlangeheaterØ180mm

Operating conditions
LED 1: STATUS
Green  Connecontoacontroldevice(e.g.ASKOMAenergymanager)viaModbusTCP
Yellow  Heangmode(whenconnectedtocontrolviaModbusTCP)
Red   Heangmode(withoutconnecontocontroldevice)
Blue   Legionellaproteconisacve
White  Automacswitch‐off occursaer24hours(EmergencyOn,Heatpump
request,0‐10Vinput)
Red / Blue blinkingError(mustbereadoutviaacontroldeviceorASKOMAenergymanager)

LED 2: CONNECTION

Yellow blinking Connecontolocalnetwork(LAN)
LED 3: MODE
Green  Analogue0‐10Vinputisacve
Red   Heatpumprequestisacve
Red blinking Emergencymode„EmergencyOn“isacve
Yellow Emergencymodeandanalogue0‐10Vinputareacve
Blue StepswitchingviaModbusTCPisacve
ASKOHEAT‐F+ MVGASV_012‐6791_V01_enwww.askoma.comPage7
ASKOHEAT‐F+ FlangeheaterØ180mm

Electrical diagram
WARNING! Allpowersupplycircuitsmusthavebeenswitchedoffbeforeaccessing
theconneconterminals.
Electrical and connecon diagram 1.75 kW
 AHFR‐BI‐plus‐1.75
ASKOHEAT‐F+ MVGASV_012‐6791_V01_enwww.askoma.comPage8
ASKOHEAT‐F+ FlangeheaterØ180mm

Electrical diagram
WARNING! Allpowersupplycircuitsmusthavebeenswitchedoffbeforeaccessing
theconneconterminals.
Electrical and connecon diagram 3.5 kW ‐5.8 kW
 AHFR‐BI‐plus‐3.5
 AHFR‐BI‐plus‐4.4
 AHFR‐BI‐plus‐5.8
ASKOHEAT‐F+ MVGASV_012‐6791_V01_en www.askoma.comPage9
ASKOHEAT‐F+ FlangeheaterØ180mm

ASKOHEAT‐F+ MVGASV_012‐6791_V01_en www.askoma.comPage10
ASKOHEAT‐F+
Service
1.
2.
Malfunction
Reset
Seeusermanualforthe
qualifiedinstaller.
Thedevicemustbe
cleaned(descaled)with
asuitableprofessional
descalingagent,e.g.
citricacid.
Ifthesafetytemperature
limitertrips,thereisafault
orerror.Aqualifiedexpert
mustinspectthesystemin
thiscase.
The version currently valid can be downloaded under "Downloads" from our homepage
2x / year
Whentheheaterisusedinhardwaterareasitmustbe
regularlydescaled.
It is imperave that the local circumstances are paid aen‐
on to.
Thebuildupofscaleintheheangelementcanleadtothe
acvaonofthesafetytemperaturelimiterorthermal
overloadingtherebydestroyingtheheangelements.
In such cases the guarantee is not valid!
New
Needs cleaning
For technical data see the data sheet Subject to technical alteraons
FlangeheaterØ180mm