Robur K18 System controller Installation Manual
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Robur K18 System controller Installation Manual

For modulating absorption methane condensing heat pump + renewable aerothermal energy
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Installation manual

System controller
for modulating absorption methane condensing heat pump
+ renewable aerothermal energy K18

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Summary of Contents for Robur K18 System controller

  • Page 1: Installation Manual

    Installation manual System controller for modulating absorption methane condensing heat pump + renewable aerothermal energy K18...
  • Page 2 The rights of those who have legitimately filed the registered trademarks contained within this publication are not affected. With the aim of continuously improving the quality of its products, Robur S.p.A. reserves the right to modify the data and contents of this...

  • Page 3: Table Of Contents

    INDEX OF CONTENTS Introduction ������������������������������������������������  p� 4 Collegamento consensi esterni ...... p. 25 K18 unit connection to CSK18 enclosure ....  p. 26 Recipients .................  p. 4 Temperature probes connection to K18 unit .. p. 27 II Symbols and definitions ����������������������������  p� 4 Auxiliary boiler connection (if present) to the II.1 Key to symbols ..............

  • Page 4: Introduction

    K18 Simplygas units, not necessarily REFERENCE (to other document) supplied by Robur, and connected to the plumbing system out- side the unit. TAC = Technical Assistance Centre authorised by Robur.

  • Page 5: Iii.2 Conformity

    Warnings parts. ODSP004). „ In the event of fault of the appliance, do not attempt The KECSK18 expansion kit is also available as an optional (op- to repair and/or restore and immediately contact the tional code ODSP030); this allows you to support additional TAC.

  • Page 6: General Information And System Diagrams

    K18 unit used. applications other than those indicated in this manual, Robur provides custom consultancy service. Figure 1�1   System with K18 Simplygas unit, primary water circuit only and one zone, auxiliary boiler and DHW production optionals...
  • Page 7 General information and system diagrams Figure 1�2   System with K18 Simplygas unit, primary water circuit only and two zones, auxiliary boiler and DHW production optionals CSK18 K18 CONTROL CABLE AUX BOILER 230V W. PUMP 0-10V W. PUMP Unit K18 Simplygas By-pass section with overpressure valve Room unit 1 (QAA75.611) Auxiliary boiler (optional) check valve (to be installed only in the presence of an auxiliary boiler)
  • Page 8 General information and system diagrams Figure 1�4   System with K18 Hybrigas unit, primary water circuit only and one zone, DHW production optional CSK18 K18 CONTROL CABLE K18 Hybrigas unit Room unit 1 (QAA75.611) Figure 1�5   System with K18 Hybrigas unit, primary water circuit only and two zones, DHW production optional CSK18 K18 CONTROL CABLE K18 Hybrigas unit...

  • Page 9: Assembly And Installation

    Assembly and installation Figure 1�6   System with K18 Hybrigas unit, primary and secondary water circuits, up to two heating circuits, one of which is optionally mixed, DHW production optional CSK18 K18 CONTROL CABLE Y1/Y2 K18 Hybrigas unit Room unit 1 (QAA75.611) Decoupling of primary/secondary circuits Room unit 2 for HC2 circuit (optional, QAA75.611 or QAA55.110) All temperature probes (GHP, GHP' , B1, B3) must be...

  • Page 10: Csk18 System Controller Enclosure

    Assembly and installation CSK18 SYSTEM CONTROLLER ENCLOSURE Assembly and installation Figure 2�1   External overall dimensions for CSK18 enclosure Input of connections to the mains Input of safety extra low voltage (SELV) connections Not used K18 fault reset button...
  • Page 11 Assembly and installation Figure 2�2   General layout of components and wiring diagram for K18 system controller SIEMENS RVS21.826 RESET AL AL EXTERN. RESET LINE IN DHW Q3 K18 CONTROL CABLE Optional expansion board power connector The electrical connections are partly done with the ter-...
  • Page 12 Assembly and installation Table 2�1   Line Voltage connections to Siemens RVS21.826 board connectors Logo on connector Siemens connector code Function (Siemens logo on water circuit diagrams and description) Color Pre-wired 230 VAC phase input to RVS21.826 Ground connection to RVS21.826 Pre-wired BPZ:AGP5S.03A/109 Green Pre-wired...

  • Page 13: Siemens Qac34 Ambient Temperature Probe

    Assembly and installation Table 2�3   SELV signal connection to Siemens RVS21.826 board Logo on connector Function (Siemens logo on water circuit diagrams and description) Siemens connector code Color B9 - External temperature sensor input B9 - External temperature sensor input Not used (available for additional functions) Not used (BX2 return mass) BPZ:AGP5S.08N/109 Grey...
  • Page 14 Assembly and installation Assembly and installation Figure 2�3   Description of installation procedure for QAC34 external sensor Figure 2�4   QAC34 external room sensor dimensions 14,1 25 24,5 79,8 49,7 49,5...

  • Page 15: Qaa55.110 Basic Room Unit (Optional)

    Assembly and installation QAA55�110 BASIC ROOM UNIT (OPTIONAL) Location Figure 2�5   Description of installation position of room unit The room unit should be installed in a reference room, usually if wall mounted, leave enough space above the unit for it to ▶...
  • Page 16 Assembly and installation 2.3.1 Dimensions and installation template Figure 2�7   Description of mounting holes for room unit QAA55.110 2.3.2 Electrical hookup Figure 2�8   Description of hookup procedure for room unit QAA55.110 Table 2�6   Room unit QAA55.110 connections Terminal Name Description Data bus BSB + Data bus BSB -...

  • Page 17: Qaa75.611 Advanced Room Unit

    Assembly and installation QAA75�611 ADVANCED ROOM UNIT Location Figure 2�9   Description of installation position of room unit The room unit should be installed in a reference room, usually if wall mounted, leave enough space above the unit for it to ▶ the living room, bearing the following in mind: be installed and removed when necessary.
  • Page 18 Assembly and installation Dimensions and installation template Figure 2�11   Description of mounting holes for room unit QAA75.611 Electrical hookup Figure 2�12   Description of hookup procedure for room unit QAA75.611 Table 2�7   Room unit QAA75.611 connections Terminal Name Description Data bus BSB + Data bus BSB - Power 12 V DC...

  • Page 19: The K18 Unit

    Assembly and installation THE K18 UNIT maintenance manual of the specific mode of K18 unit. For convenience we include the terminal block details for the For installation considerations, refer to the Installation, use and electrical hookup here. Figure 2�13   Terminal block for electrical connections of K18 unit Connection to CSK18 enclosure (see par.

  • Page 20: Electrical Hookup

    Electrical hookup ELECTRICAL HOOKUP HOOKING UP THE ROOM UNIT Figure 3�1   Example of connection of two room units, one type QAA75.611, the other (optional) type QAA55.110 1 2 3 Grey connector X86 (bottom edge of RVS21.826 board) Room unit 1 (QAA75.611) Ambient unit 2 (QAA55.110) (optional code ODSP004) NOTE Use shielded signal cable 3x0.75 mm...

  • Page 21: Temperature Sensor Connection

    Electrical hookup TEMPERATURE SENSOR CONNECTION Figure 3�2   Temperature sensor connection diagram (NTC 10k - Beta 3977) to RVS21.826 Grey connector X84 (botton edge of RVS21.826 board) Grey connector X80 (right edge of RVS21.826 board) NTC 10k Beta 3977 temperature sensor NTC 10k Beta 3977 temperature sensor NTC 1k temperatrue sensor - included Use of temperature sensors always...

  • Page 22: Water Circulation Pump Connection

    Electrical hookup WATER CIRCULATION PUMP CONNECTION 3.3.1 Heating circuit 1 pump hookup diagram Figure 3�3   Direct or external relay connection of heating circuit 1 pump to RVS21.826 Orange connector X15 (left edge of RVS21.826 board) Heating circuit 1 pump Relay (not supplied) 3.3.2 Heating circuit 2 pump connection diagram (if present) Figure 3�4  ...

  • Page 23: Mixer/Diverter Valve Connection

    Electrical hookup MIXER/DIVERTER VALVE CONNECTION 3.4.1 Q3 diverter valve connection diagrams for DHW service (if present) Figure 3�5   Q3 diverter valve connection to CSK18 enclosure terminal block – Case 1 (use of optional code OVLV007 valve) Detail of CSK18 enclosure terminal block Flow from K18 DHW coil outlet Heating outlet...
  • Page 24 Electrical hookup Figure 3�7   Q3 diverter valve connection to CSK18 enclosure terminal block and RVS21.826 – Case 3 Detail of CSK18 enclosure terminal block Flow from K18 DHW coil outlet Heating outlet Signal (phase present in DHW service) Signal (phase present in heating service) Orange connector X15 (left edge of RVS21.826 board) Neutral...

  • Page 25: Collegamento Consensi Esterni

    Electrical hookup COLLEGAMENTO CONSENSI ESTERNI Figure 3�9   Connection of optional external request signals (thermostats, thermostat timers, timers) to RVS21.826 Grey connector X86 (bottom edge of RVS21.826 board) NO voltage free contact (must be SELV) Thermostat (with timer) for zone 1 (or circuit 1) Thermostat (with timer) for zone 2 (or circuit 2)

  • Page 26: K18 Unit Connection To Csk18 Enclosure

    Electrical hookup K18 UNIT CONNECTION TO CSK18 ENCLOSURE Figure 3�10   K18 unit connection to CSK18 enclosure terminal block AL AL EXTERN. RESET K18 CONTROL CABLE Detail of CSK18 enclosure terminal block K18 unit terminal block detail Shielded multi-wire cable, type Li - YcY 8x0.75 mm² (available as OCVO009 optional) Maximum length 50 m.

  • Page 27: Temperature Probes Connection To K18 Unit

    Electrical hookup TEMPERATURE PROBES CONNECTION TO K18 UNIT Figure 3�11   Collector temperature probes connection to K18 unit Detail of K18 unit terminal block GHP NTC 10k Beta 3977 probe (included with K18 unit) GHP' NTC 10k Beta 3977 probe (available as OSND004 optional) Use of temperature sensors GHP always...

  • Page 28: Commissioning

    Commissioning COMMISSIONING Before commissioning the system, check that the plumbing and not at a higher level, to avoid involuntarily modi- system and electrical installations are complete in relation to fying parameters which may be critical to the system's the information contained in sections 1    p.  6 , 2    p.  9 and operation.

  • Page 29: Functional Tests

    Commissioning FUNCTIONAL TESTS percentage progress indication; this may take several minutes to complete. When the update completes, These tests are not strictly necessary, however they allow you to the unit will display the start screen, as shown in fig. quickly identify most problems with the electrical hookup and 4.1 ...
  • Page 30 Commissioning must indicate closed (o o o), due to the jumper added Some of its components may continue to run for a few during installation. minutes, as it runs its shutdown cycle. The following 12� Now select parameter 7700 (Relay test) and set it to steps can be run without waiting for the unit to shut Everything off.

  • Page 31: Setting The System To Stand-By

    This section contains instructions for satisfactory regulation. indicated in this document. For special requirements, Par. 5.1.7    p.  34 also gives information about the options please contact the Robur Technical Support Centre. regarding the installation and use of the QAA75.611 and OPTIMISING HEATING SERVICE 5.1.1...
  • Page 32 Settings the parameters indicated in Table 5.1    p.  31 and modify them time programming, refer to par. 5.1.3    p.  32 . For infor- as desired. mation on the heating curve settings and the min/max water temperature setpoint, see par. 5.1.4    p.  32 . For information on the room influence and room tempera- For information about the choice of operating mode and ture limitation settings, see par.
  • Page 33 Settings To avoid reaching too high temperatures in unexpectedly harsh (i.e. the system is intended to run at a higher water temperature climate conditions, we recommend setting the Flow temp set- setpoint than the operating limit of the K18 heat pump), we rec- point max to a suitable value.

  • Page 34: Optimising Dhw Production

    Settings 2� It interrupts the heating service request when the reference room, for example, it is in the machine room room temperature exceeds the setpoint by a configurable In this case, one must configure the room unit so as not to pro- amount.

  • Page 35: Optimizing Auxiliary Boiler Management

    Before modifying the default settings, get in contact with Robur Technical Support Centre� The system switches from reduced to nominal setpoint one hour ahead of switching from reduced room to com- fort setpoint in the heating circuits time programs.
  • Page 36 Settings operations (see Paragraph 4.2    p.  28 , if necessary) of the pa- module or the auxiliary boiler by setting other parameters of the rameters of the K18 unit, related to the management of the inte- K18 unit. grated boiler module (models K18 Hybrigas) or the optional aux- For further details and instructions refer to the Installation, use iliary boiler (models K18 Simplygas).

  • Page 37: Errors

    „ Power the System controller off and on again; if the „ Check the connection of the sensor in question, cor- problem persists, contact the Robur Technical Sup- rect it and memorize the sensor again as indicated in port Centre.
  • Page 38 Robur Technical Sup- (exchange surface area). port Centre. 4� If step 3 does not resolve the problem, contact the Robur H Code 173 Technical Support Centre. This error is generated when the K18 unit activates its alarm out- F Code 324 put.

  • Page 39: Error Log

    5� If steps 2 and/or 3/4 do not resolve the problem, or if it re- 3� For the K18 Hybrigas unit: you can read the error code of occurs after a while, contact the Robur Technical Assistance the integrated boiler module by viewing its display through Centre for the K18 unit.

  • Page 40: Appendix A: Technical Data

    Appendix A: technical data APPENDIX A: TECHNICAL DATA Table     RVS21.826 technical data Supply voltage AC 230 V (+10%/-15%) Frequency 50 / 60 Hz Consumption max. 9.5 VA Power supply Thermal-magnetic circuit breaker: max. 13 A (EN60898-1) Power supply protection fuse: max.
  • Page 41 Appendix A: technical data Two-wire connection (not invertible) • Base unit/peripheral cable length max. 200 m • Total cable length max. 400 m (max. cable capacity: 60 nF) • Cross section min. 0.5 mm² LPB (optional with LPB OCI345.06/101 adapter copper cable 1.5 mm²...
  • Page 44 Robur mission Robur is dedicated to dynamic progression in research, development and promotion of safe, environmentally-friendly, energy-efficiency products, through the commitment and caring of its employees and partners. Robur S.p.A. advanced technologies for climate conditioning via Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy +39 035 888111 - F +39 035 884165 www.robur.it robur@robur.it...

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