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

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
KV
VV
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
T1 T2 AO1 GND
DO1.2
HPC EM
WCS
24 VAC 2.1
24 VAC 2.1
24 VAC 2.2
24 VAC 2.2
M
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
KV
VV
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
T1 T2 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
KV
VV
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
T1 T2 AO1 GND
DO1.2
HPC EM
Shunt
24 VAC 2.1
24 VAC 2.1
24 VAC 2.2
24 VAC 2.2
0-10V
alt.
M
GG
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