Danfoss DHP-R 7UA HPC EM User manual

VMILF102

DHPR&DP

INSTALLATION INSTRUCTIONS

EXPANSION MODULE, HPC EM

COOLING MODULE, HPC CM

VMILF1022 – Danfoss

VMBQI102

VMILF102 Danfoss – 3

Table of contents

Installation for WCS function (warm water loading) ... 4

Installation for TWC function (tap water control)...... 6

Installation for Shunt function ....................... 8

Important information!

24 VAC 1 must not be connected together with:

󰥎

 •24VAC2

 •24VDC

 •Otherequipmentthatuses0-10Vcontrolsignal

 •SignalgroundGND

24 VAC 2 must only be used as power supply to:

󰥎

 •Externalequipmentthatrequires0-10Vcontrolsignal

 •Auxiliarymodules

The two separate 24 VAC circuits must never be connected

󰥎 to each other or to protective ground.

The total power load on 24 VAC 1 respectively 24 VAC 2 must

󰥎 notexceed50VA.

VMILF1024 – Danfoss

VMBQI102

Expansion module, HPC EM

Theoperationaldescriptionfortheexpansionmoduleisavailableinthecontrollermanual.

Installation for WCS function (warm water loading)

Application

TheexpansionmoduleinWCSoperationalmodecontrolswarmwaterloadingofthe

water heaters.

WCS operation is achieved by setting the switch according to the ﬁgure.

Required accessories for installation

Submersiblesensor,Thermokon-DanelkoAKF1004140,itemno.086U3364

One of the following modular cables:

Modularcable0.3m,itemno.086U4227

Modularcable1.1m,itemno.086U4228

Modularcable10.0m,itemno.086U4229

Connectionblock,itemno.086U5121

Other accessories

PilotvalveVVL(2-way),heatexchanger(tapwatervvx),circulationpump.

System image

Heat exchanger

Aheatexchangerisconnectedbetweentheheatpumpandthecirculationforthewaterheatersasdepictedinthesystem

image above.

Circulation pump

Acirculationpumpisconnectedneartheheatexchanger.

Pilot valve

Apilotvalveisconnectedbetweenthecirculationpumpandtheheatexchanger.

Submersible sensor

Asubmersiblesensorisconnectedonthereturnlineoftheheatexchanger,asclosetotheheatexchangeraspossible.

Heat circuit

Hot gas circuit

Cooling agent circuit

VVB VVB VVB VVB

Heatexchanger

Modular cable

Steering valve

Circulation pump

Expansion module

WCS operation

Submersible sensor

return VVX

VVC

DHP-R Eco

VMBQI102

VMILF102 Danfoss–5

Connecting

󰥎 Note!Themaximumloadmaynotexceed50VA.

Expansion module

Theexpansionmoduleismountedintheelectriccabinetontheintendedrail.Ifthereisnoroom,themodulecanbeinstal-

ledinanexternal,enclosedcabinetandconnectedwithalongermodularcable.

• SettheswitchesonthefrontoftheexpansionmoduletotheWCSposition



• ConnectamodularcablebetweenHPCRMExp.outandHPCEMExp.in

Connections of expansion module for WCS operation:

Temperatureinput,T1:Submersiblesensor(heatexchangerreturnline)

Temperatureinput,T2:-

Analogueoutput0-10V,AO1:Signaltopilotvalve

Relay,DO1:Signaltocirculationpump(no-potentialclosure,maximum6A)

Exp.in:ConnectionfromHPCRM

Exp.out:Connectiontopossibleadditionalmodule.

Submersible sensor



• ConnecttoT1andGND

Circulation pump



• ConnecttoDO1.1to24VAC2.1



• ConnectDO1.2tothecontactorcoil(therelaycoil)andfurtherto24VAC2.2

Pilot valve



• ConnectAO1tothesignalinputofthepilotvalve



• ConnectGNDtopilotvalveGND.IfGNDismissinginthepilotvalve,connectGNDto24VAC2.2somewhereinthe

system. It is most appropriate to jumper terminals 144 and 146 in the controller cabinet.



• ConnectthepilotvalveterminalGto24VAC2.1



• ConnectthepilotvalveterminalG0to24VAC2.2.

•

Exp.in

GGNDG0Y1

Exp.out

DO1.1

AO1

GND

DO1.2

HPC EM

WCS

24 VAC 2.1

24 VAC 2.2

alt. GG

0Y1

24 VAC 2.1

24 VAC 2.2

AO1

0-10V

Circ. pump

FromExp.out

Submersible sensor

Pilot valve

VMILF1026 – Danfoss

VMBQI102

Installation for TWC function (tap water control)

Application

In the TWC mode, the expansion module ensures that outgoing hot tap wa- ter

and heat water circulation have a suﬃciently high temperature, to prevent the pre-

sence of Legionella bacteria.

TWC operation is achieved by setting the switch according to the ﬁgure.

Required accessories

2 PT1000 strap-on temperature detectors with 2 m of cable, item no.

086U3365(itemnumbercorrespondsto1transmitter)

One of the following modular cables:

Modularcable0.3m,itemno.086U4227

Modularcable1.1m,itemno.086U4228

Modularcable10.0m,itemno.086U4229

Connectionblock,itemno.086U5121

System image

Sensor, water heater

Astrap-ontemperaturedetectorisconnectedonthesupplylineleadoftheendheater,beforethemixingvalve.

Sensor, hot water return

Astrap-ontemperaturedetectoris connectedonthereturnleadofthewarmwatercirculation,beforethecirculation

pump.

Heat circuit

Hot gas circuit

Cooling agent circuit

VVB VVB VVB VVB

Modular cable

Sensor, water heater

Electriccartridge

Sensor, hot water return

Expansion module

TWC function

VVC

DHP-R Eco

VMBQI102

VMILF102 Danfoss–7

Connecting

󰥎 Note!Themaximumloadmaynotexceed50VA.

Expansion module

Theexpansionmoduleismountedintheelectriccabinetontheintendedrail.Ifthereisnoroom,themodulecanbeinstal-

ledinanexternal,enclosedcabinetandconnectedwithalongermodularcable.

• SettheswitchesonthefrontoftheexpansionmoduletotheTWCposition



• ConnectamodularcablebetweenHPCRMExp.outandHPCEMExp.in

Connections of expansion module for TWC operation:

Temperature input, T1: Sensor, water heater

Temperature input, T2: Transmitter, hot water return

Analogueoutput0-10V,AO1:-

Relay,DO1:Signaltoelectriccartridge,hotwater(no-potentialclosure,maximum6A)

Exp.in:ConnectionfromHPCRM

Exp.out:Connectiontopossibleadditionalmodule.

Electric cartridge



• ConnecttoDO1.1to24VAC2.1.



• ConnectDO1.2tothecontactorcoil(therelaycoil)andfurtherto24VAC2.2.

Sensor, water heater



• ConnectthesensorcabletoT1andGND.

Sensor, hot water return



• ConnectthesensorcabletoT2andGND.

Exp.in

Exp.out

DO1.1

AO1

GND

DO1.2

HPC EM

TWC

24 VAC 2.1 24 VAC 2.2

Start signal for

electric cartridge

water heater

Hot water return

FromExp.out

VMILF1028 – Danfoss

VMBQI102

Installation for Shunt operation

Application

Intheshuntmode,theexpansionmodulemaintainstherequiredtemperaturefora

second heat circuit.

The shunt function is achieved by setting the switch according to the ﬁgure.

Required accessories

1PT1000strap-ontemperaturedetector,itemno.086U3365

One of the following modular cables:

Modularcable0.3m,itemno.086U4227

Modularcable1.1m,itemno.086U4228

Modularcable10.0m,itemno.086U4229

Connectionblock,itemno.086U5121

Other accessories

Shunt valve, circulation pump.

System image

Sensor, shunt temperature

Astrap-ontemperaturedetectorisconnectedonthesupplylineoftheheatcircuit,afterthecirculationpump.

Heat circuit 1

Heat circuit 2

Hot gas circuit

Cooling agent circuit

VVB VVB VVB VVB

Shunt valve

Sensor, shunt temperature

Circulation pump

Modular cable

Expansion module

Shunt function

VVC

DHP-R Eco

VMBQI102

VMILF102 Danfoss–9

Connecting

󰥎 Note!Themaximumloadmaynotexceed50VA.

Expansion module

Theexpansionmoduleismountedintheelectriccabinetontheintendedrail.Ifthereisnoroom,themodulecanbeinstal-

ledinanexternal,enclosedcabinetandconnectedwithalongermodularcable.

• SettheswitchesonthefrontoftheexpansionmoduletotheShuntposition.



• ConnectamodularcablebetweenHPCRMExp.outandHPCEMExp.in

Connections of expansion module for shunt operation:

Temperature input, T1: Sensor, shunt temperature.

Temperatureinput,T2:-

Analogueoutput0-10V,AO1:Signaltoshuntvalve.

Relay,DO1:Signaltocirculationpump(no-potentialclosure,maximum6A).

Exp.in:ConnectionfromHPCRM.

Exp.out:Connectiontopossibleadditionalmodule.

Sensor, shunt temperature



• ConnecttoT1andGND

Circulation pump



• ConnecttoDO1.1to24VAC2.1.



• ConnectDO1.2tothecontactorcoil(therelaycoil)andfurtherto24VAC2.2.

Shunt valve



• ConnectAO1tothesignalinputofthepilotvalve.



• ConnectGNDtopilotvalveGND.IfGNDismissinginthepilotvalve,connectGNDto24VAC2.2somewhereinthe

system. It is most appropriate to jumper terminals 144 and 146 in the controller cabinet.



• ConnectthepilotvalveterminalGto24VAC2.1.



• ConnectthepilotvalveterminalG0to24VAC2.2.

Exp.in

GGNDG0Y1

Exp.out

DO1.1

AO1

GND

DO1.2

HPC EM

Shunt

24 VAC 2.1

24 VAC 2.2

0-10V

alt.

0Y1

24 VAC 2.1

24 VAC 2.2

AO1

Circ. pump

FromExp.out

Shunt temperature

Shunt valve

VMILF10210 – Danfoss

VMBQI102

Inputs and outputs, HPC EM

Temperature inputs

Input Shunt TWC WCS

T1 Shunt temperature HW heater temp WCS temperature

T2 – HW return temp –

Analogue outputs

Outputs Shunt TWC WCS

AO1 Control signal – Control signal

Relay outputs

Outputs Shunt TWC WCS

DO1 Circulation pump Heater HW Circulation pump

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