Robur K18 User Manual
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Robur K18 User Manual

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

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Summary of Contents for Robur K18

  • Page 1 User manual System controller for modulating gas-absorption condensing heat pump + renewable aerothermal energy K18...
  • Page 2 Revision: B Code: D-LBR850 This User manual has been drawn up and printed by Robur S.p.A.; whole or partial reproduction of this User manual is prohibited. The original is filed at Robur S.p.A. Any use of this User manual other than for personal consultation must be previously authorised by Robur S.p.A.

  • Page 3: Table Of Contents

    Heating time programs ........p. 9 ................... p. 20 Warmer/Cooler function ........p. 11 Error list ..............p. 20 Selecting the DHW mode ........ p. 11 System controller error handling ....p. 20 Change DHW setpoint ........p. 12 K18 error handling ..........p. 21 User manual – System controller...

  • Page 4: Iintroduction

    REFERENCE (to other document) tion of heat for space heating and/or DHW, able to inte- grate or replace the heat pump of the K18 unit. It is always found in the K18 Hybrigas type of unit and consists of an II.2...
  • Page 5 Warnings Do not operate the appliance if any dangers are present: mains power problems; parts of the ap- pliance flooded or damaged in any way; control and safety equipment tampered with or malfunc- tioning. In these cases, contact a professional tech- nician for assistance.

  • Page 6: General Information

    General information GENERAL INFORMATION Figure 1.1  p. 6 shows the equipment of the K18 System controller. Figure 1.1   K18 system controller components QAC34 ambient temperature probe CSK18 enclosure Room unit 1 (QAA74.611) Room unit 2 (Optional - QAA55.110, shown, or QAA74.611) Room unit 3 (Optional - QAA55.110, shown, or QAA74.611) K18 fault reset button USER INSTRUCTIONS: QAA74.611 ADVANCED ROOM UNIT...
  • Page 7 User instructions: QAA74.611 advanced room unit Change settings on the group page(s). state after 8 minutes without operation on the knob. Any ▶ When accessing a group of pages, the first editable field of action on it causes the exit from the standby state and the the page is preselected and turning the knob again causes start page display.

  • Page 8: Selecting The Heating Mode

    Table 2.3   Status bar symbols It is shown when one or more faults in the heat source subsystem (K18 heat pump and/or auxiliary boiler, if any) and/ Alarm or in the system management subsystem „...

  • Page 9: Change Room Temperature Setpoint

    User instructions: QAA74.611 advanced room unit 2.4.2 Change Reduced setpoint and Protection Antifreeze protection functions active. ▶ setpoint (antifreeze) Automatic summer/winter mode switching (ECO func- ▶ tions) and 24 hour daily heating limit enabled. Reduced and protection room setpoints can only be modified by accessing the configuration settings pages.
  • Page 10 User instructions: QAA74.611 advanced room unit end time of the period. Figure 2.9   Daily time program setting page (e.g.: Friday) If needed, turn the knob to preselect a different seg- ▶ ment and repeat the above steps to change the rele- vant time period.

  • Page 11: Warmer/Cooler Function

    User instructions: QAA74.611 advanced room unit If the current value is Warmer or Cooler, the oppo- program first and then make the necessary changes. To copy the time program of a selected day to other days site function cannot be set directly: the only alter- of the week: native value proposed is , i.e function disabled.

  • Page 12: Change Dhw Setpoint

    K18 heat pump efficiency; this argument does not apply to the case of a system equipped with a K18 combined with an auxiliary boiler, or to a K18 Hybrigas unit, if configured to produce DHW exclusively with the auxiliary boiler.

  • Page 13: 2.10 Dhw Forced Charging Function

    User instructions: QAA74.611 advanced room unit time program setting page for the selected day. The manually set this value at any time to stop a previously page looks like the one shown in Figure 2.9  p.  10 , started forced DHW charge cycle. concerning the heating time programs, except that 2.10.2 Recharging function appears in the navigation bar.

  • Page 14: 2.13 Information Display

    Off, the symbol is not shown even if the DHW is switched on: system is set to Eco or On operating mode. – K18 Simplygas unit: K18 heat pump and/or auxil- iary boiler (if any). 2.13 INFORMATION DISPLAY – K18 Hybrigas unit: K18 heat pump and/or inte- grated auxiliary boiler module.

  • Page 15: User Instructions: Qaa55.110 Basic Room Unit

    User instructions: QAA55.110 basic room unit „ Off: DHW system off (Off operating mode, see minutes. When heating of the last active zone is switched off, the water circulation is forced to allow Paragraph 2.7  p. 11 ). „ Charging active: DHW charging in progress. the residual energy produced by the heat source to be dissipated.

  • Page 16: Selecting The Heating Mode

    QAA55.110 unit is always associated with a single heating circuit and hence its settings apply only to that circuit. In the System controller for K18, this type of room unit is optionally used to control the second and third heating circuit (if present).

  • Page 17: Other Settings

    Other settings the system will automatically return to comfort from reduced to comfort mode. mode the next time the time program switches OTHER SETTINGS This section describes some System controller configura- day of the month selected. tion settings that cannot be made by accessing the main 6.

  • Page 18: Language

    Other settings 4. Turn the knob to set the value and then press it to preselect the field and press the knob to return confirm. back to the navigation bar. 5. Turn the knob to preselect another field you want to change, or the Back field, if no other changes are re- LANGUAGE quired on this page.
  • Page 19 If, on the other hand, you find that at -5 °C the room ▶ ciency of the K18 heat pump and lower thermal dis- temperature is 2 °C higher than that obtained in persion, both due to the lower water temperature de- mild climatic conditions, decrease the slope by livered during the greater part of the cold season;...

  • Page 20: Error List

    Figure 5.1  p.  20 . No other errors will be displayed until this error is resolved. Table 5.1  p.  20 lists the error codes, with descrip- tions and priorities, which can be generated by the K18 System controller. The last column of the table lists meas- ures for resolving the problem.

  • Page 21: K18 Error Handling

    In the presence of error code 173 (Active alarm 3 con- „ Difference between the two temperatures, preced- tact), which identifies a possible fault in the K18 unit: 1. Wait up to 20-30 minutes. In most cases, a K18 error is ed by a green symbol.
  • Page 24 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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