REMKO WKF Series Instructions For Technicians
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REMKO WKF Series Instructions For Technicians

Smart heat pumps air/water system for heating and cooling
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Electrical wiring
REMKO WKF series
Smart heat pumps
Air/water system for heating and cooling
WKF 80, WKF 100, WKF 130, WKF 170
WKF-compact 80, WKF-compact 100, WKF-compact 130, WKF-compact 170
WKF 130 Duo, WKF 170 Duo
Instructions for Technicians
0280-2021-06 Edition 1, en_GB
Read the instructions prior to performing any task!

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Summary of Contents for REMKO WKF Series

  • Page 1 Electrical wiring REMKO WKF series Smart heat pumps Air/water system for heating and cooling WKF 80, WKF 100, WKF 130, WKF 170 WKF-compact 80, WKF-compact 100, WKF-compact 130, WKF-compact 170 WKF 130 Duo, WKF 170 Duo Instructions for Technicians 0280-2021-06 Edition 1, en_GB...
  • Page 2 Read these operating instructions carefully before commis- sioning / using this device! These instructions are an integral part of the system and must always be kept near or on the device. Subject to modifications; No liability accepted for errors or mis- Refrigerant prints! Translation of the original...

  • Page 3: Table Of Contents

    Table of contents Safety and usage instructions......................4 1.1 General safety notes........................4 1.2 Identification of notes........................4 1.3 Personnel qualifications........................5 1.4 Dangers of failure to observe the safety notes................5 1.5 Safety-conscious working....................... 5 1.6 Safety notes for the operator......................5 1.7 Safety notes for installation, maintenance and inspection..............

  • Page 4: Safety And Usage Instructions

    REMKO WKF series Safety and 1.2 Identification of notes usage instructions This section provides an overview of all important safety aspects for proper protection of people and 1.1 General safety notes safe and fault-free operation.The instructions and safety notes contained within this manual must be...

  • Page 5: Personnel Qualifications

    Spaces in which refrigerant can leak sufficient to load and vent. Otherwise there is danger of suffocation. This symbol highlights useful tips and recom- All housing parts and device openings, e.g. air mendations as well as information for efficient inlets and outlets, must be free from foreign and fault-free operation.

  • Page 6: Intended Use

    "certificate of warranty" to cling specialists or at collection points. REMKO GmbH & Co. KG at the time when the units are purchased and commissioned. The warranty conditions are detailed in the "Gen- eral business and delivery conditions".

  • Page 7: Electrical Wiring Wkf/Wkf Compact 80 To 170

    Electrical wiring WKF/WKF compact 80 to 170 2.1 System layout WKF/WKF-compact 80 Fig. 1: System layout Outdoor area Indoor unit power supply = 230V/1~/50Hz Indoor area 10A (e.g. 3x1.5 mm C1: Indoor unit WKF-compact 80 Power supply for electrical auxiliary heater C2: Indoor unit WKF 80 6 kW (e.g.

  • Page 8: System Layout Wkf/Wkf-Compact 100/130

    REMKO WKF series 2.2 System layout WKF/WKF-compact 100/130 Fig. 2: System layout Outdoor area Indoor unit power supply = 230V/1~/50Hz Indoor area 16A (e.g. 3x1.5 mm C1: Indoor unit WKF-compact 100/130 Power supply for electrical auxiliary heater 6 kW C2: Indoor unit WKF 100/130 (e.g.

  • Page 9: System Layout Wkf/Wkf-Compact 170

    2.3 System layout WKF/WKF-compact 170 Fig. 3: System layout Outdoor area Indoor unit power supply = 230V/1~/50Hz Indoor area 16A (e.g. 3x1.5 mm C1: Indoor unit WKF-compact 170 Power supply for electrical auxiliary heater 9 kW C2: Indoor unit WKF 170 (e.g.

  • Page 10: System Layout Wkf 130 Duo

    REMKO WKF series 2.4 System layout WKF 130 Duo Fig. 4: System layout Outdoor area Outdoor unit power supply = 230V/1~/50Hz Indoor area 20A (e.g. 3x2.5 mm Indoor unit WKF 130 Duo Indoor unit power supply = 230V/1~/50Hz D1: Outdoor unit 1 WKF 130 Duo 16A (e.g.

  • Page 11: System Layout Wkf 170 Duo

    2.5 System layout WKF 170 Duo Fig. 5: System layout Outdoor area Outdoor unit power supply = 400V/3~/50Hz Indoor area 3x16A (e.g. 5x1.5 mm Indoor unit WKF 170 Duo Indoor unit power supply = 230V/1~/50Hz D1: Outdoor unit 1 WKF 170 Duo 16A (e.g.

  • Page 12: Overview Of Electrical Cables

    REMKO WKF series 2.6 Overview of electrical cables WKF/WKF compact 80/100/130 400V/3~/N/Pe 230V~/N/Pe 230V~/N/Pe L1 N Pe L1 N Pe L1 L2 L3 N Pe Fig. 6: Overview of electrical cables 1: Main distribution D: Power supply heating coil, 6 kW indoor unit...
  • Page 13 WKF/WKF compact 170 230V~/N/Pe 400V/3~/N/Pe 400V/3~/N/Pe L1 L2 L3 N Pe L1 N Pe L1 L2 L3 N Pe Fig. 7: Overview of electrical cables 1: Main distribution D: Power supply heating coil, 9 kW indoor unit A: Power supply outdoor unit E: Modbus communication, terminal A/B B: Power supply indoor unit C: Power utility disable signal, potential-free /...

  • Page 14: Electrical Connection General Notes

    REMKO WKF series 2.7 Electrical connection general notes WARNING! It is necessary to lay a mains cable both to the All cable sizes are to be selected according to outdoor unit and, separately, to the indoor unit. VDE 0100. Special attention should be given to...

  • Page 15: Electrical Connection - Outdoor Unit

    NOTICE! Attach cables in accordance with the connec- tion schematic and/or the circuit diagram in the control box. NOTICE! Ensure correct polarity when connecting the electrical leads, especially the control cable. Fig. 9: WKF/WKF compact 170 series - remove the trim panel by unfastening the screws The number of lines and the sensors is dependent on the configuration of the heating...
  • Page 16 REMKO WKF series The standard scope of delivery includes the outdoor probes (S10), an immersion probe (provided for use as a domestic hot water probe - (S08) as well as a probe for the com- plete inlet in the indoor unit.
  • Page 17 External probe The connection of an outdoor sensor is always required for Smart Control. Mount the external probe pointing skyward, in a north-easterly direction, about 2.5 metres above the ground. It may not be subjected to direct sunlight and is to be protected against excessive wind.

  • Page 18: Electrical Drawings For Outdoor Units

    REMKO WKF series 2.10 Electrical drawings for outdoor units WKF/WKF compact 80 to 130 and WKF 130 Duo outdoor units Fig. 14: Electrical drawings for outdoor units A: Motherboard Low pressure transducer B: Power supply cable Crankcase heating, compressor C: Communication line to indoor unit...
  • Page 19 WKF/WKF compact 170 and WKF 170 Duo outdoor units Fig. 15: Electrical drawings for outdoor units A: Inverter control board High pressure switch B: Power supply 400V/3~/50Hz Crankcase heating, compressor C: Communication to indoor unit 4-way valve Indoor unit communication 10: Fan motor 1 High pressure transducer 11: Fan motor 2...

  • Page 20: Electrical Configuration - I/O Module - Wkf/Wkf Compact 80 To 170

    REMKO WKF series 2.11 Electrical configuration - I/O module - WKF/WKF compact 80 to 170 Use wire gauge corresponding with the connection cable supplied! Lay load lines separately to measuring lines! Assigned I/O module: Power supply provided by the customer from the sub-distribution unit...

  • Page 21: Terminal Assignment / Legend - Wkf/Wkf Compact 80 To 170

    2.12 Terminal assignment / legend - WKF/WKF compact 80 to 170 Designation Input Output Signal Description Power supply I/O 230V Power supply primary pump, indoor unit Solar probe collector Solar probe storage tank, bottom Solar probe inlet HM solar Solar probe RF HM solar Circulation RF temp./impulse 2nd mixed HC, INL probe Probe refrigerant piping...
  • Page 22 REMKO WKF series Designation Input Output Signal Description Changeover valve 2nd WE Not connected 2nd mixed HC, pump (230 V) switched Changeover valve / pump cooling 1st mixed HC, mixing valve open (230 V) 1st mix. HC, mixing valve switched to closed (230V)

  • Page 23: Circuit Diagram - Wkf/Wkf Compact 80-170

    2.13 Circuit diagram - WKF/WKF compact 80-170 Power supply Spannungsvers. Untervert. (bauseits) Sub-dist. (provided by the customer) -SMT1.1 -SMT1.2 -X1.1 In32 3-Step switch EHZ Spannungsvers. Power supply 3-Stufenschaltung EHZ SMT I/O (unten) SMT I/O (bottom) -> SMT I/O (oben) -> SMT I/O (top) -X1.2 In33 -X1.3...
  • Page 24 REMKO WKF series -Pin -Pin Spannungsversorgung 23 0 Power supply 23 -> Terminal block - X1 -> Klemmblock - X1 -S25 Electricity meter S0 Stromzähler S0 Wärmepumpe Heat pump -Pout1 -Pout1 Versorgung 230V Power supply 230V -S26 Interne Pumpe A43 Internal pump A43 Stromzähler S0...
  • Page 25 -S23 Medium flow rate, Imp. Volumenstrom, Imp. Solar circuit Solarkreis -S24/S13 PT1000 / Vol. Imp. PT1000 / Vol. Imp. VL / Vol. Wärmep. LF / Vol. Heat Pump -S01 PT1000 PT1000 Kollektorfühler Collector probe -S02 PT1000 PT1000 Speicherfühler, Solar Storage tank probe, Solar -RJ45 RJ45 RJ45...
  • Page 26 REMKO WKF series -USB Kommunikation Communication -SMT_TOUCH -SMT_TOUCH -> LAN - / WLAN Adapter -> LAN - / WLAN adapter Control element Bedienteil -RJ45 RJ45 RJ45 Kommunikation Communication -> SMT I/O - RJ45 -> SMT I/O - RJ45 -12V +12V...
  • Page 27 Legend for the circuit diagrams Abbreviations: E-heater: Electric heating element EHZ: Electric heating element EVU: Electrical power company / power utility Gem.: Mixed Heating cycle HTG: Heating Imp.: Impulse Photovoltaic PWM: Pulse width modulation Return flow Unmixed Unmixed Inlet Vol.: Medium flow rate Circ.: Circulation...

  • Page 28: Wkf 130/170 Duo Electrical Wiring

    REMKO WKF series WKF 130/170 Duo electrical wiring 3.1 System layout WKF 130 Duo Fig. 16: System layout Outdoor area Outdoor unit power supply = 230V/1~/50Hz Indoor area 20A (e.g. 3x2.5 mm Indoor unit WKF 130 Duo Indoor unit power supply = 230V/1~/50Hz D1: Outdoor unit 1 WKF 130 Duo 16A (e.g.

  • Page 29: System Layout Wkf 170 Duo

    3.2 System layout WKF 170 Duo Fig. 17: System layout Outdoor area Outdoor unit power supply = 400V/3~/50Hz Indoor area 3x16A (e.g. 5x1.5 mm Indoor unit WKF 170 Duo Indoor unit power supply = 230V/1~/50Hz D1: Outdoor unit 1 WKF 170 Duo 16A (e.g.

  • Page 30: Overview Of Electrical Cables

    REMKO WKF series 3.3 Overview of electrical cables WKF 130 Duo 230V~/N/Pe 400V/3~/N/Pe 230V~/N/Pe 230V~/N/Pe L1 N Pe L1 N Pe L1 N Pe L1 L2 L3 N Pe Fig. 18: Overview of electrical cables Main distribution Power supply heating coil, 9 kW indoor unit...
  • Page 31 WKF 170 Duo 230V~/N/Pe 400V/3~/N/Pe 400V/3~/N/Pe 400V/3~/N/Pe L1 L2 L3 N Pe L1 L2 L3 N Pe L1 N Pe L1 L2 L3 N Pe Fig. 19: Overview of electrical cables Main distribution Power supply heating coil, 9 kW indoor unit A1: Power supply outdoor unit 1 E1: Communication A/B outdoor unit 1 / indoor unit A2: Power supply outdoor unit 2...

  • Page 32: Electrical Connection General Notes

    REMKO WKF series 3.4 Electrical connection general notes WARNING! It is necessary to lay a mains cable both to the All cable sizes are to be selected according to outdoor unit and, separately, to the indoor unit. VDE 0100. Special attention should be given to...

  • Page 33: Electrical Configuration - I/O Module 01 - Wkf 130/170 Duo

    3.5 Electrical configuration - I/O module 01 - WKF 130/170 Duo Use wire gauge corresponding with the connection cable supplied! Lay load lines separately to measuring lines! Assigned I/O module: Power supply provided by the customer from the sub-distribution unit Assigned Connection: 230V/1~/N/PE NOTE: without blocking...

  • Page 34: Terminal Assignment / Legend - I/O Module 01 - Wkf 130/170 Duo

    REMKO WKF series 3.6 Terminal assignment / legend - I/O module 01 - WKF 130/170 Duo Designation Input Output Signal Description Power Power supply I/O 230V Power supply primary pump, indoor unit S01.1 Solar probe collector S02.1 Solar probe storage tank, bottom S03.1...
  • Page 35 Designation Input Output Signal Description A12.1 Not connected A13.1 2nd mixed heating cycle pump (230V) switched A14.1 Changeover valve / pump cooling (230V) A20.1 1st mixed heating cycle mixer open (230V) A21.1 1st mixed heating cycle mixing valve closed (230V) A22.1 Bypass valve indoor unit closed (230V) A23.1...

  • Page 36: Electrical Configuration - I/O Module 02 - Wkf 130/170 Duo

    REMKO WKF series 3.7 Electrical configuration - I/O module 02 - WKF 130/170 Duo Use wire gauge corresponding with the connection cable supplied! Lay load lines separately to measuring lines! 4th mixed heating cycle Potential-free Closed contact 230 V mixing valve...

  • Page 37: Terminal Assignment / Legend - I/O Module 02 - Wkf 130/170 Duo

    3.8 Terminal assignment / legend - I/O module 02 - WKF 130/170 Duo Designation Input Output Signal Description Power Power supply I/O 230V Power supply primary pump, indoor unit S01.2 Not connected S02.2 Not connected S03.2 Not connected S04.2 Not connected S05.2 Not connected S06.2...
  • Page 38 REMKO WKF series Designation Input Output Signal Description A12.2 Not connected A13.2 4th mixed heating cycle pump (230V) switched A14.2 Not connected A20.2 3rd mixed heating cycle mixing valve open (230V) A21.2 3rd mixed heating cycle mixing valve closed (230V) A22.2...

  • Page 39: Wkf 130/170 Duo Circuit Diagram

    3.9 WKF 130/170 Duo circuit diagram Power supply Spannungsvers. Untervert. (bauseits) Sub-dist. (provided by the customer) -SMT1.1 -SMT1.2 -X1.1 In32 3-Step switch EHZ Spannungsvers. Power supply 3-Stufenschaltung EHZ SMT I/O1 (unten) SMT I/O (bottom) -> SMT I/O (top) -> SMT I/O1 (oben) -X1.2 In33 -X1.3...
  • Page 40 REMKO WKF series -Pin -Pin Spannungsversorgung 23 0 Power supply 23 -> Terminal block - X1 -> Klemmblock - X1 -S25 Electricity meter S0 Stromzähler S0 Wärmepumpe Heat pump -Pout1 -Pout1 Versorgung 230V Power supply 230V -S26 Interne Pumpe A43 Internal pump A43 Stromzähler S0...
  • Page 41 -S23 Medium flow rate, Imp. Volumenstrom, Imp. Solar circuit Solarkreis -S24/S13 PT1000 / Vol. Imp. PT1000 / Vol. Imp. VL / Vol. Wärmep. LF / Vol. Heat Pump -S01 PT1000 PT1000 Kollektorfühler Collector probe -S02 PT1000 PT1000 Speicherfühler, Solar Storage tank probe, Solar -RJ45 RJ45 RJ45...
  • Page 42 REMKO WKF series 1.PE 2.PE -Pout1.2 -Pout1.2 Versorgung 230V Power supply 230V Internal pump A43.2 Interne Pumpe A43.2 3.PE -A41.2 Signal 0-10V / PWM Signal 0-10V / PWM 3. gem. Kreis 3rd mixed circuit -A13.2 -A43.2 Pumpe 230V Pump 230V...
  • Page 43 -S24.2/S13.2 PT1000 / Vol. Imp. PT1000 / Vol. Imp. VL / Vol. Wärmep. LF / Vol. Heat Pump RJ45 -S06.2 PT1000 PT1000 Vorlauf, 4. gem. Kreis Inlet, 4th mixed circuit -S07.2 PT1000 PT1000 Kältemittel Refrigerant -S11.2 PT1000 PT1000 Rücklauf, 3. gem. Kreis Return flow, 3rd mixed circuit -S12.2 PT1000...
  • Page 44 REMKO WKF series -USB Kommunikation Communication -SMT_TOUCH -SMT_TOUCH -> LAN - / WLAN Adapter -> LAN - / WLAN adapter Control element Bedienteil -RJ45 RJ45 RJ45 Kommunikation Communication -> SMT I/O - RJ45 -> SMT I/O - RJ45 -12V +12V...
  • Page 45 Legend for the circuit diagrams Abbreviations: E-heater: Electric heating element EHZ: Electric heating element EVU: Electrical power company / power utility Gem.: Mixed Heating cycle HTG: Heating Imp.: Impulse Photovoltaic PWM: Pulse width modulation Return flow Unmixed Unmixed Sub-dist: sub-distribution Inlet Vol.: Medium flow rate...

  • Page 46: Resistances Of The Temperature Probes

    REMKO WKF series Resistances of the Temp. Resistance Temp. Resistance temperature probes (°C) (°C) 2, 4939 1, 6663 Evaporator probe, suction gas probe, air inlet 2, 4091 1, 6131 probe 2, 3276 1, 5618 Temp. Resistance Temp. Resistance (°C) (°C)
  • Page 47 Heat gas probe (continued) Temp. Resistance Temp. Resistance (°C) (°C) Temp. Resistance Temp. Resistance (°C) (°C) 6.1890 2.1522 99.456 21.773 5.9894 2.0934 94.826 20.935 5.7976 2.0365 90.426 20.134 5.6126 1.9814 86.262 19.368 5.4346 1.9280 82.312 18.635 5.2629 1.8764 78.561 17.932 5.0974 1.8263 75.001...
  • Page 48 REMKO WKF series Heat gas probe (continued) Temp. Resistance Temp. Resistance (°C) (°C) Temp. Resistance Temp. Resistance (°C) (°C) 0.2076 0.1574 0.8769 0.4054 0.204 0.1548 0.8564 0.3972 0.2004 0.1522 0.8364 0.3892 0.1969 0.1497 0.817 0.3814 0.1934 0.1472 0.7982 0.3738 0.1901 0.1448...

  • Page 49: Index

    Index WKF/WKF compact 80 ....20 WKF/WKF compact 100 ....20 Circuit diagrams WKF/WKF compact 130 .
  • Page 50 REMKO WKF series...
  • Page 52 REMKO QUALITY WITH SYSTEMS Air-Conditioning | Heating | New Energies Telephone +49 (0) 5232 606-0 REMKO GmbH & Co. KG Hotline within Germany +49 (0) 5232 606-0 Klima- und Wärmetechnik Telefax +49 (0) 5232 606-260 Im Seelenkamp 12 E-mail info@remko.de...

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