ROBUA QAC34/101 Installation Manual
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ROBUA QAC34/101 Installation Manual

System controller for modulating gas-absorption condensing heat pump + renewable aerothermal energy k18
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Installation manual
System controller
for modulating gas-absorption condensing heat pump +
renewable aerothermal energy K18

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Summary of Contents for ROBUA QAC34/101

  • Page 1 Installation manual System controller for modulating gas-absorption condensing heat pump + renewable aerothermal energy K18...
  • Page 2 DISPOSAL The appliance and all its accessories must be disposed of separately in accordance with the regulations in force. Use of the WEEE symbol (Waste Electrical and Electronic Equipment) indicates that this product cannot be disposed of as house- hold waste. Proper disposal of this product helps to prevent potential negative consequences for the environment and human health.

  • Page 3: Table Of Contents

    INDEX OF CONTENTS Introduction K18 unit connection to CSK18 enclosure ................p. 4 ................... p. 26 Recipients ..............p. 4 Temperature probes connection to K18 Available languages ..........p. 4 unit ................p. 27 II Symbols and definitions ......... p. 4 Auxiliary boiler connection (if present) Key to symbols ............

  • Page 4: Iintroduction

    Introduction INTRODUCTION Installation manual which this document refers. This Installation manual contains all the infor- RECIPIENTS mation required for installing and configuring the System controller for all K18 Simplygas heat This Manual is intended for: pump units (Gas Absorption Heat Pump) and K18 Electrical installers for proper installation of the con- Hybrigas hybrid units (Gas Absorption Heat Pump ▶...

  • Page 5: Iii.2 Compliance

    Warnings Earthing RVS21.826 electronic board, the relays and electrical terminal blocks. Electrical safety depends on effective earthing sys- 1. QAA74.611 advanced room unit. tem, correctly connected to the appliance and in- 1. Siemens QAC34 outdoor temperature probe. stalled according to the regulations in force. Optional additional room units are available, of types QAA74.611 (optional code ODSP050) and QAA55.110 (op- In the event of failure...

  • Page 6: General Information And System Diagrams

    General information and system diagrams GENERAL INFORMATION AND SYSTEM DIAGRAMS The System controller for the models of the K18 family es- For water circuits with primary circuit only (Figure sentially ensures: 1.1  p.  6 , 1.2  p.  7 , 1.4  p.  8 e 1.5  p.  8 ) Controls ambient comfort by controlling the heating water circulation must be guaranteed to handle the ▶...
  • 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 External water pump (only for C0 versions) Auxiliary boiler (optional) Bypass section with overpressure valve check valve (to be installed only in the presence of an auxiliary...
  • 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 (QAA74.611) 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: Mounting 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 (QAA74.611) Decoupling of primary/secondary circuits Room unit 2 for HC2 circuit (optional, QAA74.611 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 2.1.1 Mounting 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 Do not use 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 The electrical connections are partly done with the block at the bottom left interior of the CSK18 enclosure. terminal blocks inside the bottom of the enclosure, To identify the position of the connectors and terminal and partly with the included extractable connec-...
  • Page 12 Assembly and installation Table 2.1   Line Voltage connections to Siemens RVS21.826 board connectors Logo on connector Function (Siemens logo on water circuit diagrams and description) Siemens connector code Color Pre-wired 230 VAC phase input to RVS21.826 Pre-wired Ground connection to RVS21.826 BPZ:AGP5S.03A/109 Green Pre-wired...

  • Page 13: Siemens Qac34 Ambient Temperature

    Wire cross section Model Sensor type Tolerance (K) (1) Weight (g) Max. length (m) range (°C) (min) (mm²) NTC1000 Ω at QAC34/101 -50...70 ± 1 25 °C (1) QAC34/101 over range –10 - +20 °C Installation manual – System controller...
  • Page 14 Assembly and installation 2.2.2 Mounting 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 49,7 79,8 49,5...

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

    Assembly and installation QAA55.110 BASIC ROOM UNIT (OPTIONAL) 2.3.1 Location Figure 2.5   Description of installation position of room unit The room unit should be installed in a reference room, other sources of heat. usually the living room, bearing the following in mind: If wall mounted, leave enough space above the unit ▶...
  • Page 16 Assembly and installation 2.3.3 Dimensions and jig for installation holes Figure 2.7   Description of mounting holes for room unit QAA55.110 2.3.4 Electrical hookup Figure 2.8   Room unit QAA55.110 connections Table 2.6   Room unit QAA55.110 connections Terminal Name Description Data bus BSB + Data bus BSB -...

  • Page 17: Qaa74.611 Advanced Room Unit

    Assembly and installation QAA74.611 ADVANCED ROOM UNIT 2.4.1 Location Figure 2.9   Description of installation position of room unit The room unit should be installed in a reference room, other sources of heat. usually the living room, bearing the following in mind: If wall mounted, leave enough space above the unit ▶...

  • Page 18: Ovlv007 Diverter Valve (Optional)

    Assembly and installation 2.4.3 Dimensions and jig for installation holes Figure 2.11   Description of mounting holes for room unit QAA74.611 45.1 12.7 78.0 2.4.4 Electrical hookup OVLV007 DIVERTER VALVE (OPTIONAL) Figure 2.12   Room unit QAA74.611 connections Figure 2.13   OVLV007 diverter valve dimensions Consider the following for the hydraulic connection: AB = common ▶...

  • Page 19: The K18 Unit

    Assembly and installation THE K18 UNIT unit. For convenience we include the terminal block details for For installation considerations, refer to the Installation, the electrical hookup here. use and maintenance manual of the specific mode of K18 Figure 2.14   Terminal block for electrical connections of K18 unit Connection to CSK18 enclosure (see Paragraph 3.6 ...

  • 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 QAA74.611, the other (optional) type QAA55.110 Grey connector X86 (bottom edge of RVS21.826 board) Room unit 1 (QAA74.611) Ambient unit 2 (QAA55.110) (optional code ODSP004) NOTE Use shielded signal cable 3x0.75 mm (2x0.75 mm for QAA55.110).

  • Page 21: Temperature Probes Connection

    Electrical hookup TEMPERATURE PROBES 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) B1 NTC 10k Beta 3977 temperature sensor B3 NTC 10k Beta 3977 temperature sensor B9 NTC 1k temperatrue sensor - included Use of temperature sensors...

  • Page 22: Water Circulation Pump Connection

    Electrical hookup WATER CIRCULATION PUMP CONNECTION 3.3.1 Heating circuit 1 pump connection 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 any) 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)

  • Page 25: External Requests Connection

    Electrical hookup EXTERNAL REQUESTS CONNECTION 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) C1 Thermostat (with timer) for zone 1 (or circuit 1) C2 Thermostat (with timer) for zone 2 (or circuit 2) Installation manual –...

  • 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 plumb- Figure 4.1   Start page example, for a device configured as room ing system and electrical installations are complete in re- unit lation to the information contained in sections 1  p.  6 , 2 ...
  • Page 29 Commissioning knob to preselect the password input field and press parameter list: the knob again. The first digit on the left is selected The parameter code (A) is a code uniquely associ- ▶ and becomes ated with each parameter. It is always shown in the 7.

  • Page 30: Commissioning Procedure

    Commissioning 5. Only if the unit is a K18 Simplygas model and the auxil- 3), press the knob once to access any page of the menu. In this case, access to a page is only needed to iary boiler is present must its control interface be con- figured.
  • Page 31 Commissioning you to quickly identify most problems with the electrical request, check the correct switching between the hookup and system anomalies; we strongly recommend Open state to Closed state and vice versa. NOTE: If no external request is present, this test running them.
  • Page 32 Commissioning „ Access Menu 4, with the password 1111. 1. On the K18 unit's user interface, proceed as follows, „ Select parameter 49, take note of the set value with reference to its Installation, user and maintenance and then set it to 0 (excluded optional auxiliary manual: boiler for K18 Simplygas models and integrated „...

  • Page 33: Standby

    Settings Off. Inactive. 15. Access Menu 4 of the user interface of the K18 unit When this operation is performed, the service re- and reset parameters 50, 217 and 218, setting them to quest to the K18 unit is cancelled and the auxiliary the values noted in step 1 of the procedure.
  • Page 34 Settings Preconfiguration Dependency on parameter Flow temp setpoint max 40 °C Room influence Room temperature limitation 2.5 °C To change the settings of Table 5.1  p.  33 , follow the in- For information about the choice of operating structions provided in Paragraph 4.1.1  p.  28 to access mode, on room setpoint setting and time pro- the complete parameter list, then access Heating circuit gramming, refer to Paragraph 5.1.3 ...
  • Page 35 Settings For heating circuit 1 a mixed heating circuit. 1. If needed, follow instructions in Paragraph 4.1.1  p. 28 Furthermore, except for cases in which the system will be to access the complete parameter list, then access operated exclusively with the auxiliary boiler at high ther- Time prog heating/cooling 1 menu.
  • Page 36 Settings Figure 5.1   Heating curve graph - Each curve plots the outlet temperature against the outdoor temperature, when the room setpoint temperature is 20 °C T amb Tacq water temperature Tamb external ambient temperature 5.1.5 Setting the Room influence and Room level as %, or set --% to disable the function.
  • Page 37 Settings 6200 (Save sensors), select it and set it to Yes. temperature acquired by the sensor, but a value which has passed an inertial filter. This accounts for the ther- The value of parameter 6200 which displays at the mal inertia of the building, thus damping the variation of end of the configuration procedure will still be no;...

  • Page 38: Optimising Dhw Production

    Settings OPTIMISING DHW PRODUCTION 5.2.1 Main preconfigured settings Simplygas EVO and K18 Hybrigas EVO models) is pre- configured active with the main settings given in Table DHW service managed by K18 unit (if present, K18 5.3  p. 38 . Table 5.3   DHW service preconfiguration (if present) Preconfiguration Dependency on parameter Operating mode...

  • Page 39: Optimizing Auxiliary Boiler Management

    Errors If the legionella function is activated, it is precon- completely. If the system determines that it has not figured to run Thursday nights from 02:00 with a completed (e.g., the setpoint was not reached), it DHW setpoint of 60 °C, which must be maintained will restart it repeatedly.
  • Page 40 Errors „ Access the complete parameter list, proceeding as „ Access the complete parameter list, proceeding as described in Paragraph 4.1.1  p.  28 , then access described in Paragraph 4.1.1  p.  28 , then access the Configuration menu; display and access the the Configuration menu;...
  • Page 41 Errors 3. If step 2 does not resolve the problem, check the fol- – Error code 331: 5931 (Sensor input BX2); re- lowing system characteristics: move the optional sensor connected to input BX2 (not used in the standard configurations). „ Water outlet during DHW charging. „...

  • Page 42: Error Log

    Special operations and configurations Reset the error condition by pressing the button it reoccurs after a while, contact the Robur TAC for the near this window for 1-2 seconds. K18 unit. Do not press the button for longer as this activates ERROR LOG test functions intended for the TAC.

  • Page 43: 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 44 Appendix A: technical data Relay outputs QX1...QX5 • Current range AC 0,02…2 (2) A • Switching ON current max. 15 A for ≤1 s • Total current max AC 10 A (total, all 230 VAC outputs) • Voltage range AC 24 - 230 V (for voltage-free contact outputs) Triac output ZX6 •...
  • Page 45 Appendix A: technical data Table     QAA55.110 technical data Power supply Bus powered Measurement range 0 - 50 °C Per EN12098: Room temperature meas- • Range 15 - 25 °C tolerance 0,8 K urement • Range 0 - 15 °C or 25 - 50 °C tolerance 1,0 K •...
  • Page 48 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 air 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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