unknown, 3, en_GB - Hemeltron

Electrical wiring

Read the instructions prior to performing any task!

REMKO series WKF NEO-compact

WKF NEO-compact 70, WKF NEO-compact 120, WKF NEO-compact 180

Smart heat pumps

0188-2019-04 Edition 3, en_GB

Instructions for Technicians

Air/water system for heating or cooling

R410ARefrigerant

Translation of the original

Read these operating instructions carefully before commis-sioning / using this device!These instructions are an integral part of the system and mustalways be kept near or on the device.Subject to modifications; No liability accepted for errors or mis-prints!

Table of contents1 Safety and usage instructions............................................................................................................. 4

1.1 General safety notes....................................................................................................................... 41.2 Identification of notes...................................................................................................................... 41.3 Personnel qualifications.................................................................................................................. 41.4 Dangers of failure to observe the safety notes................................................................................ 41.5 Safety-conscious working............................................................................................................... 41.6 Safety notes for the operator........................................................................................................... 51.7 Safety notes for installation, maintenance and inspection.............................................................. 51.8 Unauthorised modification and changes......................................................................................... 51.9 Intended use................................................................................................................................... 51.10 Warranty........................................................................................................................................ 51.11 Transport and packaging............................................................................................................... 61.12 Environmental protection and recycling........................................................................................ 6

2 Electrical wiring..................................................................................................................................... 72.1 System layout WKF NEO 70........................................................................................................... 72.2 System layout WKF NEO 120......................................................................................................... 82.3 System layout WKF NEO 180......................................................................................................... 92.4 Overview of electrical cables......................................................................................................... 102.5 Electrical connection general notes.............................................................................................. 122.6 Electrical connection - indoor unit................................................................................................. 132.7 Electrical connection - outdoor unit............................................................................................... 132.8 Electrical configuration - I/O module - WKF NEO compact 70/120/180........................................ 162.9 Terminal assignment / legend - WKF NEO compact 70/120/180.................................................. 172.10 Circuit diagrams - WKF NEO compact 70/120/180..................................................................... 19

3 Index..................................................................................................................................................... 25

3

1 Safety andusage instructions

1.1 General safety notesCarefully read the operating manual before com-missioning the units for the first time. It containsuseful tips and notes such as hazard warnings toprevent personal injury and material damage.Failure to follow the directions in this manual notonly presents a danger to people, the environmentand the system itself, but will void any claims forliability.Keep this operating manual and the refrigerantdata sheet near to the units.

1.2 Identification of notesThis section provides an overview of all importantsafety aspects for proper protection of people andsafe and fault-free operation.The instructions andsafety notes contained within this manual must beobserved in order to prevent accidents, personalinjury and material damage.Notes attached directly to the units must beobserved in their entirety and be kept in a fullylegible condition.Safety notes in this manual are indicated by sym-bols. Safety notes are introduced with signal wordswhich help to highlight the magnitude of the dangerin question.

DANGER!

Contact with live parts poses an immediatedanger of death due to electric shock. Damageto the insulation or individual components maypose a danger of death.

DANGER!This combination of symbol and signal wordwarns of a situation in which there is immediatedanger, which if not avoided may be fatal orcause serious injury.

WARNING!This combination of symbol and signal wordwarns of a potentially hazardous situation,which if not avoided may be fatal or causeserious injury.

CAUTION!This combination of symbol and signal wordwarns of a potentially hazardous situation,which if not avoided may cause injury or mate-rial and environmental damage.

NOTICE!This combination of symbol and signal wordwarns of a potentially hazardous situation,which if not avoided may cause material andenvironmental damage.

This symbol highlights useful tips and recom-mendations as well as information for efficientand fault-free operation.

1.3 Personnel qualificationsPersonnel responsible for commissioning, opera-tion, maintenance, inspection and installation mustbe able to demonstrate that they hold a qualifica-tion which proves their ability to undertake thework.

1.4 Dangers of failure to observethe safety notes

Failure to observe the safety notes may pose a riskto people, the environment and the units. Failure toobserve the safety notes may void any claims fordamages.In particular, failure to observe the safety notesmay pose the following risks:n The failure of important unit functions.n The failure of prescribed methods of mainte-

nance and repair.n Danger to people on account of electrical and

mechanical effects.

1.5 Safety-conscious workingThe safety notes contained in this manual, theexisting national regulations concerning accidentprevention as well as any internal companyworking, operating and safety regulations must beobserved.


4

1.6 Safety notes for the operatorThe operational safety of the units and compo-nents is only assured providing they are used asintended and in a fully assembled state.n The units and components may only be set up,

installed and maintained by qualified per-sonnel.

n Protective covers (grille) over moving partsmust not be removed from units that are inoperation.

n Do not operate units or components withobvious defects or signs of damage.

n Contact with certain unit parts or componentsmay lead to burns or injury.

n The units and components must not beexposed to any mechanical load, extremelevels of humidity or extreme temperature.

n Spaces in which refrigerant can leak sufficientto load and vent. Otherwise there is danger ofsuffocation.

n All housing parts and device openings, e.g. airinlets and outlets, must be free from foreignobjects, fluids or gases.

n The units must be inspected by a service tech-nician at least once annually. Visual inspec-tions and cleaning may be performed by theoperator when the units are disconnected fromthe mains.

1.7 Safety notes for installation,maintenance and inspection

n Appropriate hazard prevention measures mustbe taken to prevent risks to people when per-forming installation, repair, maintenance orcleaning work on the units.

n The setup, connection and operation of theunits and its components must be undertakenin accordance with the usage and operatingconditions stipulated in this manual and complywith all applicable regional regulations.

n Local regulations and laws such as WaterEcology Act must be observed.

n The power supply should be adapted to therequirements of the units.

n Units may only be mounted at the points pro-vided for this purpose at the factory. The unitsmay only be secured or mounted on stablestructures, walls or floors.

n Mobile units must be set up securely on suit-able surfaces and in an upright position. Sta-tionary units must be permanently installed foroperation.

n The units and components should not be oper-ated in areas where there is a heightened riskof damage. Observe the minimum clearances.

n The units and components must be kept at anadequate distance from flammable, explosive,combustible, abrasive and dirty areas oratmospheres.

n Safety devices must not be altered orbypassed.

1.8 Unauthorised modificationand changes

Modifications or changes to units and componentsare not permitted and may cause malfunctions.Safety devices may not be modified or bypassed.Original replacement parts and accessoriesauthorised by the manufactured ensure safety. Theuse of other parts may invalidate liability forresulting consequences.

1.9 Intended useDepending on the model, the equipment and theadditional fittings with which it is equipped is onlyintended to be used as an air-conditioner for thepurpose of cooling or heating the air in anenclosed room.Any different or additional use shall be classed asnon-intended use. The manufacturer/supplierassumes no liability for damages arising from suchuse. The user bears the sole risk in such cases.Intended use also includes working in accordancewith the operating and installation instructions andcomplying with the maintenance requirements.

Under no circumstances should the thresholdvalues specified in the technical data be exceeded.

1.10 WarrantyFor warranty claims to be considered, it is essentialthat the ordering party or its representative com-plete and return the "certificate of warranty" toREMKO GmbH & Co. KG at the time when theunits are purchased and commissioned.The warranty conditions are detailed in the "Gen-eral business and delivery conditions". Further-more, only the parties to a contract can concludespecial agreements beyond these conditions. Inthis case, contact your contractual partner in thefirst instance.

5

1.11 Transport and packagingThe devices are supplied in a sturdy shipping con-tainer. Please check the equipment immediatelyupon delivery and note any damage or missingparts on the delivery and inform the shipper andyour contractual partner. For later complaints cannot be guaranteed.

WARNING!Plastic films and bags etc. are dangeroustoys for children!Why:- Leave packaging material are not around.- Packaging material may not be accessible tochildren!

1.12 Environmental protectionand recycling

Disposal of packagingAll products are packed for transport in environ-mentally friendly materials. Make a valuable contri-bution to reducing waste and sustaining raw mate-rials. Only dispose of packaging at approvedcollection points.

Disposal of equipment and componentsOnly recyclable materials are used in the manufac-ture of the devices and components. Help protectthe environment by ensuring that the devices orcomponents (for example batteries) are not dis-posed in household waste, but only in accordancewith local regulations and in an environmentallysafe manner, e.g. using certified firms and recy-cling specialists or at collection points.


6

2 Electrical wiring2.1 System layout WKF NEO 70

B

A

4

3

2a

2b

2c

1c

1d

1b1a

1

2

Fig. 1: System layout WKF NEO 70

A: Outdoor areaB: Indoor area1: Indoor unit1a: Heating inlet flow (11/4" AG)1b: Heating return flow (11/4" AG)1c: Power supply, indoor unit

= 230V/1~/50Hz, 10A (e.g. 3 x 1.5 mm2)1d: Mains supply line, electrical auxiliary heater

(e.g. 5 x 1.5 mm2)

2: Outdoor unit2a: Fan2b: Power supply, outdoor unit

= 230V/1~/50Hz, 16A (e.g. 3 x 2.5 mm2)2c: Condensate tray, outdoor unit

(drain must be designed to be frost proof!)3: Control line, sheathed (e.g. 2 x 1 mm2)4: Refrigerant lines 3/8" and 5/8“

7

2.2 System layout WKF NEO 120

B

4

31c

1d

1

2

2a2b

2c

A

1b1a




(e.g. 5 x 1.5 mm2)


= 230V/1~/50Hz, 20A (e.g. 3 x 2.5 mm2)2c: Condensate tray, outdoor unit



8

2.3 System layout WKF NEO 180

B

5

41c

1d

1

2

A

2a

2b

2c

2a

1b1a




(e.g. 5 x 1.5 mm2)


= 400V/3~/50Hz, 3 x 16A (e.g. 5 x 1.5 mm2)2c: Condensate tray, outdoor unit


9

The indoor and outdoor units have to be connectedwith refrigerant lines of dimensions (outer diam-eter) 3/8"(=9.52 mm) and 5/8"(=15.88 mm). At leasta two-wire control line has to be laid between thetwo modules. Both the indoor and outdoor unitsrequire a separate power supply.

WARNING!

All electric lines are in accordance VDE regula-tions to dimension and to lay.

2.4 Overview of electrical cablesWKF NEO 70 and WKF NEO 120

1A B C D

230V~/N/Pe

230V~/N/PeL1 N Pe L1 N Pe

400V/3~/N/PeL1 L2 L3 N Pe

E

Fig. 4: Overview of electrical cables

1: Main distributionA: Power supply outdoor unitB: Power supply indoor unitC: Power utility disable signal, potential-free /

open = lockedD: Power supply heating coil, 6 kW indoor unitE: Communication F1/F2 outdoor unit / indoor unit

2 x 1 mm2 sheathed


10

WKF NEO 180

1A B C D

230V~/N/PeL1 N Pe

400V/3~/N/PeL1 L2 L3 N Pe

E

L1 L2 L3 N Pe400V/3~/N/Pe

Fig. 5: Overview of electrical cables

1: Main distributionA: Power supply outdoor unitB: Power supply indoor unitC: Power utility disable signal, potential-free /

open = AM lockedD: Power supply heating coil, 6 kW indoor unitE: Communication F1/F2 outdoor unit / indoor unit

2 x 1 mm2 sheathed

11

2.5 Electrical connectiongeneral notes

n It is necessary to lay a mains cable both to theoutdoor unit and, separately, to the indoor unit.

n Power to the indoor units may not be discon-nected by the power company when fitted withan off-period circuit (anti-freeze protection).

n The indoor unit requires a single-phase 230V /50Hz power supply.The outdoor units of the WKF NEO 70and WKF NEO 120 require a 230V / 50Hzpower supply.The outdoor unit of the WKF NEO 180 requiresa three-phase 400V / 50Hz power supply.

n The electrical connection between outdoor andindoor units is made using a sheathed three-wire control line.

n Where applicable, a separate power supplyshall be provided to the indoor unit for the aux-iliary heater.

n The heat-pump manager needs to knowwhether a power-company enable or off-periodis in effect. A potential-free switch must be pro-vided by the customer for this purpose. (Con-tact closed signifies enabled, while contactopen signifies a blocking period).

n A connection schematic along with corre-sponding circuit diagrams can be found in the“Electrical layout” and “Circuit plans” chaptersof this manual.

n Special rates for the operation of heat pumpsmay be offered by the power-company (utility).

n Ask your local power utility about the details ofany rates that might be available.

DANGER!

All electrical installation work must be done byan electrician.

WARNING!

Always note the currently applicable VDEguidelines and the notes in TAB 2007. The sizeand type of the fuse are to be taken from thetechnical data.

WARNING!

All cable sizes are to be selected according toVDE 0100. Special attention should be given tocable lengths, cable type and the kind of instal-lation. The information in the connection dia-gram and in the system overview are to beseen as an acceptable installation possibilityonly in a standard case!

NOTICE!

Make sure to connect the outdoor unit neutralconnector properly, otherwise the varistors onthe line-filter circuit board will be destroyed.

NOTICE!The electrical connection for the units must bemade at a separate feedpoint with a residualcurrent device in accordance with local regula-tions and should be laid out by an electrician.

Check all plugged and clamped terminals toverify that they are seated correctly and makepermanent contact. Tighten as required.


12

2.6 Electrical connection -indoor unit

The following instructions describe the electricalconnection of the indoor units.1. Remove the housing from the upper section

by pressing it upwards and pulling it forwardsout of the rear groove.

2. Guide the supply cable to the indoor unitsthrough the cable openings, and also routethe control line between indoor and outdoorunits and the cables for external devices andprobes into the indoor unit. Note that thecable openings in the WKF NEO 120 seriesare located above rather than below.

3. Connect the mains cable line of the indoorunits to the terminals.

4. Connect all secondary consumers(HGM,HGU, changeover valves etc.) to theI/O module.

NOTICE!

Attach cables in accordance with the connec-tion schematic and/or the circuit diagram in thecontrol box.

NOTICE!

Ensure correct polarity when connecting theelectrical leads, especially the control cable.

The number of lines and the sensors isdependent on the configuration of the heatingsystem and the components.

Make sure to use enough cable when installingthe indoor unit so that the control box can befully lowered for future maintenance.

At the site, avoid adding cable inlets.

2.7 Electrical connection -outdoor unit

n To connect up the electrics, remove the rightcladding panel after unfastening the screws.

1

Fig. 6: Series WKF NEO 70 and WKF NEO 120 -remove the cover by unfastening the screw

1: Screw

1

Fig. 7: Series WKF NEO 180 - remove the trimpanel by unfastening the screws

1: Screw

n Electrical protection for the system is imple-mented in accordance with the information inthe Technical Data. Observe the required con-ductor cross-sections!

n All cables must be connected with the correctpolarity and strain relief.

n Follow the connection schematic and the circuitdiagrams.

n The two-wire control line is to be connected toterminals F1, F2 and the earth terminal.

13

n When connecting the control line, make surethat polarity is correct.

n If the outdoor unit is installed on a roof, it andthe supporting structure must be earthed sepa-rately (connection to lightning conductors orfoundation earth/ground feature).

n With the series WKF NEO 180, make sure thatonly terminals L1(R), L2(S), L3(T) and N areconnected (see Fig. 10).

1

32

Fig. 8: Connection terminals outdoor unitWKF NEO 70

1: Display2: Mains connection 230V/1~ /50Hz3: Control line F1/F2

1

Fig. 9: Connection terminals outdoor unitWKF NEO 120

1: Mains connection 230V/1~ /50Hz

Fig. 10: Connection terminal outdoor unitWKF NEO 180

NOTICE!

Make sure to connect the outdoor unit neutralconnector properly, otherwise the varistors onthe line-filter circuit board will be destroyed.

Temperature probesn The number of probes required can vary with

the type of system.n Observe the relevant notes for the probe posi-

tion found in the hydraulic circuit diagram.n The standard scope of delivery includes the

outdoor probes (S10), an immersion probe(provided for use as a domestic hot waterprobe - (S08) as well as a probe for the com-plete inlet in the indoor unit.

n When connecting up a solar plant, use aPT-1000 probe (S01) as a collector probe anda PT-1000 probe (S02) as the lower storagetank probe.

n All probes are to be connected to the indoorunits switch cabinet in accordance with the ter-minal assignment diagram.


14

Contact probeContact probes can be mounted on the pipes, tomeasure the heating-circuit temperatures, forexample.n The contact probes are fastened to a pipe with

the trapezoidal brackets and retaining strapprovided.

n Clean the appropriate point. Subsequently athermal compound [A] is applied and the probeis fixed in position.

A

Fig. 11: Securing the inductive sensor

If the sensor cables are too short, they can beextended up to a maximum of 100m with wirehaving a cross-section of 1.5 mm².

External probeThe connection of an outdoor sensor is alwaysrequired for Smart Control Touch.n Mount the external probe pointing skyward, in

a north-easterly direction, about 2.5 metresabove the ground. It may not be subjected todirect sunlight and is to be protected againstexcessive wind. Installation above windows orair ducts is to be avoided.

n In order to carry out the installation, remove thecover and secure the probe with the screw pro-vided.

n A cable with a wire cross-section of min. 0.5mm2 provided by the customer is recom-mended for connecting the probe.

Fig. 12: External probe

15

2.8 Electrical configuration - I/O module - WKF NEO compact 70/120/180Use wire gauge corresponding with the connection cable supplied!Lay load lines separately to measuring lines!

2nd mixed cycleMixing valve 230 V

Closed

Open

Closed

Open

Closed

Open

Bypass valveIndoor unit 230 V

1st mixed cycleMixing valve 230 V

Circulation pumpHot water 230 V

Unmixed cyclePump 230 V (optional)

1st mixed cyclePump 230 V

Pump solar 230 V unregulated

Changeover valvePump, cooling

Pump 230 V 2nd mixed cycle

Not assigned

Changeover valve2. Heat generator (BVT)

Changeover valveHot water preparation

Power supply230 V

Power supplyInternal pump - indoor unit

Power supply I/0 module

Mains voltage connection provided by the customer from sub-distribution!

Outdoor unitWKF NEO 70 / 120230V/1~/N/PeE.g. 3 x 2.5 mm2

Outdoor unitWKF NEO 180400V/3~/N/PeE.g. 5 x 1.5 mm2

Potential-freeA34 Generalalarm signalA33 nofunctionA32 enable2. WE Smart BVT/Serv

A31 nofunctionA30 nofunction

Refrigerant

A24/25

S07

Solar return flow

S04

Solar storage tank, bottomS02

Solar collectorS01

Medium flow rate HPS24

Medium flow rate solarS23

Not

con

nect

ed

A22/23

A20/21

A04

A03

A02

A01

A14

A13

A12

A11

A10

NOTE: without blocking contactor, jumper must be insertedClosed = enableEnergy supply provider contact S16

Heat pump RF S152nd mixed cycle RF S14

Coding resistor RCHeat pump inlet S13

Communication Com-Kit 1 B2/A2

1st mixed cycle RF S111st mixed cycle inlet S12

Operating module SMT 1 B1/A1Outside temperature S10Storage tank, centre S09

Hot water probe S082nd mixed cycle inlet S06

Pump 0-10V A462nd mixed cycleCirculation S05Temperature or impulseSolar probe inlet S03

Pump PWM (indoor unit) A43Pump 0-10V (HGU) A42

Unmixed cyclePump 0-10V (HGM) A41

1st mixed cycleSpeed setting PWM A40

Solar pump

S29/GND

S28/GND

S27/GND

S26/GND

S25/GND

S0 PV feed-in(min. 500 lmp./kWh)

S0 PV yield(min. 500 lmp./kWh)

S0 household meter(min. 500 lmp./kWh)

S0 HP electricity meter(min. 500 lmp./kWh)

Sensor flow rate

SMT I/O

Power supply

Indoor module3 x 1,5 mm²

Assigned

AssignedAssignedAssignedAssigned

AssignedAssignedAssignedAssigned

AssignedAssigned

AssignedAssigned

EP

N

N

N

L

L

L

F1

F2

EP

N

N

N

1A 2A

ON

L3

L2

L1

T3

T2

T1

0

1

AssignedAssignedAssignedAssignedAssigned

Power supply

Electric heating coil 5 x 1,5 mm²

CommunicationOutdoor module

2 x 1,5 mm²

1A 2A

ON

L3

L2

L1

T3

T2

T1

0

1


16

2.9 Terminal assignment / legend - WKF NEO compact 70/120/180

Designation Input Output Signal Description

PW X Power supply I/O module 230V

PP X Power supply primary pump, indoor unit

S01 X Solar probe collector

S02 X Solar probe storage tank, bottom

S03 X Solar probe inlet HM solar

S04 X Solar probe RF HM solar

S05 X Circulation RF temp./impulse

S06 X 2nd mixed cycle inlet probe

S07 X Probe refrigerant piping

S08 X Domestic hot-water tank

S09 X Probe storage tank centre(storage energy acquisition)

S10 X External probe

S11 X 1st mixed cycle return flow probe

S12 X 1st mixed cycle inlet probe

S13 X Heat pump inlet

S14 X 2nd mixed cycle return flow probe

S15 X Heat pump RF

S16 X Energy supplier contact (NC) / dew point monitoring(external)

S20 X Not connected

S21 X Not connected

S22 X Not connected

S23 X Ultrasonic flow rate meter Solar, pulse rate

S24 X Ultrasonic flow rate meter HP, impulse rate

S25 X HP electricity meter S0

S26 X Household electricity S0

S27 X Flow probe

S28 X PV yield electricity meter S0

S29 X PV in-feed electricity meter S0

A01 X Solar pump unregulated (230 V)

A02 X 1st mixed cycle, pump (230 V) switched

A03 X Unmixed cycle, pump (230 V) switched

A04 X Circulation pump

A10 X Changeover valve, drinking water

17

Designation Input Output Signal Description

A11 X Changeover valve 2nd WE

A12 X Changeover valve solar / 2 storage tank pool

A13 X 2nd mixed cycle, pump (230 V) switched

A14 X Changeover valve / pump cooling

A20 X 1st mixed cycle, mixing valve open (230 V)

A21 X 1st mixed cycle, mixing valve switched to closed(230 V)

A22 X Bypass mixer open

A23 X Bypass mixer closed

A24 X 2nd mixed cycle, mixing valve open (230 V)

A25 X 2nd mixed cycle, mixing valve switched to closed(230 V)

A30 X Not connected

A31 X Not connected

A32 X Enable 2 WE booster heating or boiler

A33 X Not connected

A34 X Alarm codes

A40 X Speed setting solar pump PWM

A41 X Speed specification, 1st mixed circuit (0-10V)

A42 X Speed specification, unmixed circuit (0-10V)

A43 X Speed setting primary pump indoor unit (PWM)

A44 X Not connected

A45 X Non functional

A46 X Speed specification, 2nd mixed circuit (0-10V)

MI

Non functional

MO

CLK

nSS

GND

OT 1 (2x) Not connected

OT 2 (2x) Non functional

B1, A1+12 Volt,GND

Operating module

B2 / A2 Communication Com-Kit

B3 / A2 RS 485_3

R RC coding resistance WKF NEO compact70/120/180


18

2.10 Circuit diagrams - WKF NEO compact 70/120/180

PE

-X1/X2Spannungsversorgung 230V-> SMT I/O - Pin

PE

-X1/X2Spannungsv. 230VBauseits

NN

LL

3 -X1/X2Spannungsversorgung 230V-> ComKit - CN71

11 -X3

Kommunikation-> ComKit - CN31

2

Klemmblock

K1

X1.1

X1.2

X1.3

X1.4

X2.1

X2.2

X2.3

X3.1

X3.2

X4.1

X4.2

X4.3

X4.4

PE

N

N

N

L

L

L

F1

F2

PE

N

N

N

A2

14

6/T3

4/T2

2/T1

PE

N

N

N

L

L

L

F1

F2

PE

N

N

N

A1

13

5/L3

3/L2

1/L1

-XKlem

mblock

PE

-X4PE - Elektro HeizstabBauseits

In-K1Freigabe E-Heizer-> SMT I/O - A32 A32

L3

-K1Spannungsv. 400VBauseits

L2L1

STB 98°C�

Elektro Heizstab

-EHZ

Elektro Heizstab

WIC

HTIG

!

Bei einphasigem

Anschluss des Elektro H

eizstabs (3 x 230V)m

uss die Brücke zw

ischen X4.2, X4.3 und X4.4 entfernt und

jeweils ein N

eutralleiter angeschlossen werden.

Bei einphasigem

Anschluss des Elektro H

eizstabs (3 x 230V)m

uss die Brücke zw

ischen X4.2, X4.3 und X4.4 entfernt und

jeweils ein N

eutralleiter angeschlossen werden.

01

23

45

67

89

1011 1/5

WK

F NEO

01

23

45

67

89

1011

7/4/2018

Projekt Titel:

Terminal block

Electric heating element

Power supply 230V

Power supply 400V

Enable E-heater

PE - electric heating element

Terminal

block

STB 98°C

Electric heating element

-EHZ

Project title: W

KF N

EO

IMPO

RTAN

T!

With a single-phase connection of the electric heating elem

ent (3 x 230V), the jum

per between X4.2, X4.3 and X4.4 must be

removed and a neutral conductor m

ust be connected respectively.

Communication

Power supply 230V

Power supply 230VProvided by the customer

Provided by the customer

-> SMT I/O - A32

Provided by the customer

-> ComKit - CN31

-> ComKit - CN71

-> SMT I/O - Pin

19

PE-PinSpannungsv. 230V-> Klemmblock - X1/X2

NL

S0

Imp/kW

h

+

-

-S25Stromzähler S0Wärmepumpe 1 MPE

NL

-Pout1Versorgung 230VInterne Pumpe A43S0

Imp/kW

h

+

-

-S26Stromzähler S0Haushalt

13

1

4-S27Volumenstrom, Imp.Warmwasser

MNSPDP

-A10Umschaltventil 230VWarmwasserbereitung

S0

Imp/kW

h

+

-

-S28Stromzähler S0PV Ertrag

S0

Imp/kW

h

+

-

-S29Stromzähler S0PV Einspeisung

MNSPDP

-A11Umschaltventil 230V2. Wärmeerzeuger

U

t

-+

-A40Signal PWMSolarkreis

U

t

-+

-A41Signal 0-10V / PWM1. gem. Kreis

U

t

-+

-A42Signal 0-10V / PWMungem. Kreis

1 MPENL

-A13Pumpe 230V2. gem. Kreis

U

t

-+

-A43Signal PWMInterne Pumpe

Power

Actuator Output

Actuator Output

Actuator O

utputA

ctuator SupplySensor InputsActuator S

ignalActuator Signal

SPIO

T InterfacesBus Interfaces

Rc

Systemregler SM

T I/O

PENL

PENL

PENL

PENA10L

PENA11L

PENA12L

PENA13L

PENA14L

PENA01

PENA02

PENA03

PENA04

PENA20A21

PENA22A23

PENA24A25

S25+5VGND

S26+5VGND

S27+5VGND

S28+5VGND

S29+5VGND

GNDA40

GNDA41

GNDA42

GNDA43

GNDA44

GNDA45

GNDA46

MIMOCLKnSSGND

OT1OT1

OT2OT2

+12VB1A1GND

B2A2

B3A3

RGND

-SMT_I/O

_UN

TENSystem

regler

MNSPDP

-A14Umschaltventil 230VSeparater Kühlkreis

1 MPENL

-A01Pumpe 230VSolarkreisU

t

-+

-A46Signal 0-10V / PWM2. gem. Kreis 1 M

PENL

-A02Pumpe 230V1. gem. Kreis

1 MPENL

-A03Pumpe 230Vungem. Kreis

1 M

PENL

-A04Pumpe 230VTrinkwasser Zirkulation

+12V-12VSpannungsvers.-> SMT Touch - 12V GND

MNAufZu

-A20/A21Mischventil 230V1. gem. Kreis

2-B2/A2Kommunikation-> ComKit - CN33

1

MNAufZu

-A22/A23Ventil 230VBypass

B-B3/A3Kommunikation-> Raumsensor - B/A

A

12-RCKodierwiderstandGeräteabhängig

MNAufZu

-A24/A25Mischventil 230V2. gem. Kreis

Kodierwiderstände

WKF 70 -> 51 OhmWKF 120 -> 130 OhmWKF 180 -> 110 Ohm

WKF 70 -> 51 OhmWKF 120 -> 130 OhmWKF 180 -> 110 Ohm

01

23

45

67

89

1011 2/5

WK

F NEO

01

23

45

67

89

1011

7/4/2018

Projekt Titel:Project title:

WK

F NEO

7/4/2018

System controller SM

T I/O

Electricity meter S0

Power supply 230V

Power supply 230V

Changeover valve 230V


Pump 230V

Pump 230V

Pump 230V

Pump 230V

Pump 230V

Mixed valve 230V

Mixed valve 230V

Valve 230V


-Pin

-Pout1

Probe Inputs

Power

Actuator SupplyActuator O

utputActuator O

utputActuator O

utput

Actuator SignalActuator Signal

SPIO

T InterfacesBus Interfaces

Rc




Signal PWM

Signal 0-10V / PWM

Signal 0-10V / PWM

Communication

Communication

Coding resistor

Coding resistorsWKF 70 -> 51 OhmWKF 120 -> 130 OhmWKF 180 -> 110 Ohm

Power supply

Signal 0-10V / PWM

Signal PWM

Medium flow rate, Imp.

Heat pump

-> Terminal block - X1/X2

Internal pump A43

Hot water preparation

2. Heat generator

2nd mixed circuit

Solar circuit

1st mixed circuit

Unmixed circuit

Drinking water circulation

1st mixed circuit

2nd mixed circuit

Bypass

Separate cooling circuit

Household

PV yield

PV feed-in

Solar circuit

1st mixed circuit

2nd mixed circuit

-> ComKit - CN33

-> Room sensor - B/A

Device-dependent

-> SMT Touch - 12V

Unmixed circuit

Internal pump

Hot water

System controller

-SMT_I/O

_BOTTO

M

GND

SP

Open

Open

Open

Closed

Closed

Closed

DP

N

MIMOCLKnSSGND

OT1


20

13

1

4-S23Volumenstrom, Imp.Solarkreis

�

31

42

5

-S13/S24PT1000 / Vol. Imp.VL / Vol. Wärmep.

� 12-S01PT1000Kollektorfühler

� 12-S02PT1000Speicherfühler, Solar

RJ45-RJ45Kommunikation-> SMT Touch - RJ45

� 12-S03PT1000Vorlauf, Solar

� 12-S04PT1000Rücklauf, Solar

� 12-S05PT1000 / ImpulsZirkulation

� 12-S06PT1000Vorlauf, 2. gem. Kreis

� 12-S07PT1000Kältemittel Temperatur

� 12-S08PT1000Warmwasserspeicher

� 12-S09PT1000Pufferspeicher

� 12-S10PT1000Außentemperatur

� 12-S11PT1000Rücklauf, 1. gem. Kreis

� 12-S12PT1000Vorlauf, 1. gem. Kreis

A1

-A32Freigabe E-Heizer-> Klemmblock - K1

Potential Free Outputs

Sensor InputsSensor Inputs

Sensor InputsS

ensor Inputs

Systemregler SM

T I/O

InA30

InA31

InA32

InA33

InA34

S20+5VGNDS40S41

S21+5VGNDS42S43

S22+5VGNDS44S45

S23+5VGNDS46S47

S24+5VGNDS48S49

S01GND

S02GND

RJ45

S03GND

S04GND

S05GND

S06GND

S07GND

S08GND

S09GND

S10GND

S11GND

S12GND

S13GND

S14GND

S15GND

S16GND

-SMT_I/O

_OBEN

Systemregler

N

� 12-S14PT1000Rücklauf, 2. gem. Kreis

� 12-S15PT1000Rücklauf, Wärmepumpe

In -A34Potentialfreier KontaktSammelstörmeldungA34

S16-S16Brücke / Öffner-K.EVU Sperre GND

WICHTIG!

Bei Verwendung einerEVU Sperre darf nur derVerdichter Spannungslosgeschaltet werden!

Bei Verwendung einerEVU Sperre darf nur derVerdichter Spannungslosgeschaltet werden!

01

23

45

67

89

1011 3/5

WK

F NEO

01

23

45

67

89

1011

7/4/2018


WK

F NEO

7/4/2018

System controller SM

T I/OProbe Inputs

Probe InputsProbe Inputs

Probe Inputs

Potential-Free Outputs

In

IMPORTANT!When using a power utility block, only power to compressor may be switched off!

System controller

-SMT_I/O

_TOP

Medium flow rate, Imp.

PT1000 / Vol. Imp.

PT1000

PT1000

PT1000

PT1000

PT1000

PT1000

PT1000

PT1000

PT1000

PT1000

PT1000

Jumper / NC terminal

Potential-free contact

Enable E-heater

PT1000 / Impulse

Communication

Solar circuit

LF / Vol. Heat Pump

Collector probe

Storage tank probe, Solar

Inlet, Solar

Return flow, Solar

Inlet, 2nd mixed circuit

Refrigerant temperature

Hot water storage tank

Buffer tank

Outside temperature

Return flow, 1st mixed circuit

Inlet, 1st mixed circuit

Return flow, 2nd mixed circuit

Heat pump return flow

Power utility block

General alarm signal

-> Terminal block - K1

Circulation

-> SMT Touch - RJ45

21

Kommunikationsplatine Com-Kit

CN

72C

N71

CN11

CN33 CN31

CN32

12

34

ON

ON

43

21

ON

43

21

0

4

8

C

26

A E

1

35

79

B D

FF

DB

97

5 3

1

EA

6 2

C

8

4

0

12

321

321

321

2121

-Com

KitKom

munikationsplatine

12

34

-T1Transform

ator~ 230V / ~ 17V - 500m

A

N-CN71Spannungsv. 230V-> Klemmblock X1/2

LA2

-CN33Kommunikation-> SMT I/O - A2/B2

B2F1

-CN31Kommunikation-> Klemmblock X3

F2

01

23

45

67

89

1011 4/5

WK

F NEO

01

23

45

67

89

1011

7/4/2018


WK

F NEO

7/4/2018

Communication board Com-Kit

Transformer

ON

ON

ON

~ 230V / ~ 17V - 500mA

Power supply 230V

Communication

Communication

Com

munication board

-> Terminal block X1/2

-> SMT I/O - A2/B2

-> Terminal block X3

-Com

Kit


22

USB-USBKommunikation-> LAN - / WLAN Adapter

Smart-Control TouchUSB

RJ45

GND+12V

-SMT_Touch

Bedienteil

RJ45-RJ45Kommunikation-> SMT I/O - RJ45

GND-12VSpannungsvers.-> SMT I/O - 12V +12V

Raumsensor

AV+V-B

-RS1

Raum

sensorungem

. Kreis

Raumsensor

AV+V-B

-RS2

Raum

sensor1. gem

. Kreis

Raumsensor

AV+V-B

-RS3

Raum

sensor2. gem

. Kreis

B3

-B/AKommunikation-> SMT I/O - B3/A3

A3

WIC

HTIG

!

Jeder Raum

sensor benötigt eine eindeutige Geräteadresse!

-> Siehe Bedienungsanleitung des R

aumsensors.

Jeder Raum

sensor benötigt eine eindeutige Geräteadresse!

-> Siehe Bedienungsanleitung des R

aumsensors.

01

23

45

67

89

1011 5/5

WK

F NEO

01

23

45

67

89

1011

7/4/2018

Projekt Titel:

Smart Control Touch

Room sensor

Room sensor

Room sensorProject title: W

KF N

EO7/4/2018

IMPO

RTAN

T!

Each room sensor requires a unique device address!

-> See the operating instructions for the room sensor.

Communication

Communication

Power supply

Communication

Room

sensorR

oom sensor

Room

sensor

Control elem

ent

-> LAN - / WLAN adapter

-> SMT I/O - RJ45

-> SMT I/O - 12V

-> SMT I/O - B3/A3

Unm

ixed circuit

1st mixed

circuit2nd m

ixed circuit

-SMT_Touch

23

Legend for the circuit diagrams

Abbreviations:EVU: Electrical power company /

power utilityGem.: MixedImp.: ImpulseÖffner-K. NC contactPV: PhotovoltaicPWM: Pulse width modulationRL: Return flowUngem.: UnmixedVL: InletVol. Medium flow rate


24

3 IndexCCircuit diagrams

WKF NEO 70 . . . . . . . . . . . . . . . . . . . . . . . . 19WKF NEO 120 . . . . . . . . . . . . . . . . . . . . . . . 19WKF NEO 180 . . . . . . . . . . . . . . . . . . . . . . . 19

Contact probe . . . . . . . . . . . . . . . . . . . . . . . . . . 15

DDisposal of equipment . . . . . . . . . . . . . . . . . . . . . 6

EElectrical cables – overview


Electrical connection - indoor unitWKF NEO 70 . . . . . . . . . . . . . . . . . . . . . . . . 13WKF NEO 120 . . . . . . . . . . . . . . . . . . . . . . . 13WKF NEO 180 . . . . . . . . . . . . . . . . . . . . . . . 13

Electrical connection - outdoor unitWKF NEO 70 . . . . . . . . . . . . . . . . . . . . . . . . 13WKF NEO 120 . . . . . . . . . . . . . . . . . . . . . . . 13WKF NEO 180 . . . . . . . . . . . . . . . . . . . . . . . 13

Electrical system layoutWKF NEO 70 . . . . . . . . . . . . . . . . . . . . . . . . 16WKF NEO 120 . . . . . . . . . . . . . . . . . . . . . . . 16WKF NEO 180 . . . . . . . . . . . . . . . . . . . . . . . 16

Environmental protection . . . . . . . . . . . . . . . . . . . 6External probe . . . . . . . . . . . . . . . . . . . . . . . . . . 15

IIntended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SSafety

Dangers of failure to observe the safetynotes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Identification of notes . . . . . . . . . . . . . . . . . . . 4Notes for inspection . . . . . . . . . . . . . . . . . . . . 5Notes for installation . . . . . . . . . . . . . . . . . . . . 5Notes for maintenance . . . . . . . . . . . . . . . . . . 5Personnel qualifications . . . . . . . . . . . . . . . . . 4Safety notes for the operator . . . . . . . . . . . . . 5Safety-conscious working . . . . . . . . . . . . . . . . 4Unauthorised modification . . . . . . . . . . . . . . . 5Unauthorised replacement part manufacture . 5

System layout . . . . . . . . . . . . . . . . . . . . . . . 7, 8, 9

TTemperature probes . . . . . . . . . . . . . . . . . . . . . 14Terminal assignment


WWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

25


26

REMKO QUALITY WITH SYSTEMSAir-Conditioning | Heating | New Energies

Telephone +49 (0) 5232 606-0 Telefax +49 (0) 5232 606-260

E-mail [email protected] URL www.remko.de

REMKO GmbH & Co. KG Klima- und Wärmetechnik

Im Seelenkamp 12 32791 Lage

Hotline within Germany +49 (0) 5232 606-0

Hotline International +49 (0) 5232 606-130

We

rese

rve

the

right

to

mak

e te

chni

cal c

hang

es, a

nd p

rovi

de n

o gu

aran

tee

as t

o th

e ac

cura

cy o

f th

is d

ata!

unknown, 3, en_GB - Hemeltron

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