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Installation and Maintenance Manual
Regulus CTC EcoPart 400 Heat Pump
Models 406-417 | 400 VAC 3 phase

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Summary of Contents for Regulus CTC EcoPart 400

  • Page 1 Installation and Maintenance Manual Regulus CTC EcoPart 400 Heat Pump Models 406-417 | 400 VAC 3 phase...
  • Page 2: Table Of Contents

    Table of Contents Important to remember Electrical installation ____________________________________________ ________________________________________ Safety Instructions! Series connection of heat pumps __________________________________________________ ___________________ Connection alternatives CTC EcoPart 400 6.1.1 Shielded communication __________ ___________________________ General 6.1.2 Terminated position _____________________________________________________ __________________________________ Technical data Output relay for joint alarms...
  • Page 3 The complete heat pump for bedrock, ground or lake heat sources The CTC EcoPart 400 is a heat pump that takes heat from bedrock, ground or lake heat sources and supplies it to the existing heating system in the house.
  • Page 4: Important To Remember

    • Any work done on the product’s electric or cooling system should be done by a competent engineer. • This product is intended exclusively for indoor installation. Failure to follow the instructions in this Manual may void the Warranty. CTC EcoPart 400...
  • Page 5: Connection Alternatives Ctc Ecopart 400

    IR 12 CTC 400 Alternative B The CTC EcoPart 400 can be operated with an existing boiler via the CTC Basic Display accessory. This can be done with a fi xed temperature or based on thermostatic control. Given that the standard version of the CTC EcoPart 400 does not have its own controller, the CTC Basic Display accessory is required.
  • Page 6: Technical Data

    Pump capacity Other data EcoPart 406 EcoPart 408 EcoPart 410 EcoPart 412 Refrigerant quantity (R407C) Compressor oil FV50S Polyolester (POE) Interrupt value switch HP 3,1 (31 bar) Weight Width x Height x Depth 600 x 760 x 672 CTC EcoPart 400...
  • Page 7 Brine system high effi ciency pump speed Pump capacity Other data EcoPart 414 EcoPart 417 Refrigerant quantity (R407C) Compressor oil Polyolester (POE) Interrupt value switch HP 3,1 (31 bar) Weight Width x Height x Depth 600 x 760 x 672 CTC EcoPart 400...
  • Page 8: Component Location

    Heating fl uid in Ø 28 mm (EcoPart 414-417) 21. Hot gas sensor 22. Brine sensor in 23. Brine sensor out 24. Heating system return sensor 25. Heating system fl ow sensor 26. Service outlets 2.3 Dimensional drawing CTC EcoPart 400...
  • Page 9: Operating Range

    Refrigerant exchanger 14. Brine temperature Evaporator Low pressure sensor 15. HP Flow temperature Condenser 10. High pressure sensor 16. HP Return temperature Compressor 11. High pressure switch 17. Expansion valve control Expansion valve (electronic) 12. Suction gas temperature CTC EcoPart 400...
  • Page 10: Operation And Maintenance

    If this noise recurs, call a technician to check the cause. 4.2 Alarms Any alarms and information texts from the CTC EcoPart 400 are displayed in the product which is used to control it; you should therefore consult the manual for that controller.
  • Page 11: Installation

    • EcoPart 400 Heat Pump • safety valve ½“, 3 bar • fi lling kit 520-G25 • antifreeze fl uid buffer tank • rubber grommet, diam. 60 • 2 edge mouldings, 186 mm long • circulation pump incl. nipples CTC EcoPart 400...
  • Page 12: Heating Medium Side Connection

    2-10 are switched directly by the control unit of the respective heat pump. Standalone operation The charge pump is connected to the CTC EcoPart 400 and controlled using the CTC Basic Display. CTC EcoPart 400...
  • Page 13: Connecting The Brine System

    It is also possible to connect the fl ow on one side and the return on the other. See Dimensional drawing for measurements and dimensions. The dimension of the pipe between the heat pump and brine loop should not be less than Ø28 mm. CTC EcoPart 400...
  • Page 14 fi lter (99) as well. Level/expansion vessel 101 External fi lling pump Filling kit 102 Blending vessel Shut-off valve 103 Brine circuit pump Dirt fi lter 104 Evaporator 100 3-way valve 105 3 bar safety valve CTC EcoPart 400...
  • Page 15 To attain the best system performance, the pump must be adjusted properly. Try to achieve a temperature difference of approx. 2–4 K. Set the red button to setup option 2. Adjust so that the correct temperature difference is obtained. CTC EcoPart 400...
  • Page 16: Pump Curves

    1~230 V - Rp1, Rp1¼ Q/m³/h Q/m³/h WILO-Stratos PARA 25/12 (CTC EcoPart 412-417 LEP) p-c (constant) p-v (variable) p/kPa p/kPa Wilo-Stratos-Para Wilo-Stratos-Para 25/1-12, 30/1-12 25/1-12, 30/1-12 1~230 V - Rp1, Rp1¼ 1~230 V - Rp1, Rp1¼ Q/m³/h Q/m³/h CTC EcoPart 400...
  • Page 17 The factory setting for the alarm is 7 °C, but 9 °C is permitted for the fi rst 72 hours that the compressor is in operation, as microbubbles in the system can reduce brine fl ow. CTC EcoPart 400...
  • Page 18: Electrical Installation

    The last heat pump in chain Incoming communica- Communication out The last heat pump tion from a controller or to the next heat pump in chain preceding heat pump Shielding Shielding Green Green Green White White White Brown Brown Brown Shielding CTC EcoPart 400...
  • Page 19: Terminated Position

    Basic Display. The CTC EcoPart can then be controlled with a fi xed return temperature (standalone) or with thermostat control. See the manual for CTC Basic Display (accessory) the CTC Basic Display for more information. 6.3.1 Connection Connecting the CTC Basic Display (accessory) CTC EcoPart 400...
  • Page 20: Electrical Installation 400 Vac 3 Phase

    6.4 Electrical installation 400 VAC 3 phase Power supply The CTC EcoPart 400 shall be connected to 400 VAC 3 phase 50 Hz and protective earth (PE). The minimum group fuse size is shown in the Technical data. Should it be also connected to an EcoEl, its power input shall be added as well since EcoPart is power supplied via EcoEl;...
  • Page 21: Wiring Diagram 400 Vac 3 Phase

    WHITE High pressure sensor BLACK GREEN BROWN WHITE Low pressure sensor BLACK WHITE PCB with softstarter, motor BROWN GREEN protector and contactor function BLUE External thermostat input (optional) Heating circuit pump Brine pump (PWM control possible) Compressor CTC EcoPart 400...
  • Page 22: Ctc Ecopart 414-417

    WHITE High pressure sensor BLACK GREEN WHITE BROWN Low pressure sensor BLACK WHITE PCB with softstarter, motor GREEN BROWN protector and contactor function BLUE External thermostat input (optional) Heating circuit pump Brine pump (PWM control possible) Compressor CTC EcoPart 400...
  • Page 23: Wiring A Controller

    IR 12 CTC 400 CTC EcoLogic Pro CTC Basic Display CTC EcoPart 400 The CVTC Basic Display is needed only when more heat pumps are to be connected in series, namely for proper addressing the individual heat pumps: A2, A3 etc.
  • Page 24: Wiring Alternative 2

    General information 7.2 Wiring alternative 2 The CTC EcoPart 400 can be operated with an existing boiler via the CTC Basic Display accessory. This can be done with a fi xed temperature or based on external thermostatic control. Given that the standard version of the CTC EcoPart 400 does not have its own controller, the CTC Basic Display accessory is required.
  • Page 25: Ec Declaration Of Conformity

    General information Enertech AB Box 313 S-341 26 LJUNGBY CTC EcoPart 406 / 408 / 410 / 412 / 414 / 417 Zs s1 (d Lars Nordh R&D Manager CTC EcoPart 400...
  • Page 26 04/2014 REGULUS spol. s r.o. Do Koutů 1897/3 http://www.regulus.eu 143 00 Praha 4 E-mail: sales@regulus.eu...

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