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Regulus KRS 9 Installation And Operating Instructions Manual
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Regulus KRS 9 Installation And Operating Instructions Manual

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Installation and operating instructions
System Controller REGULUS KRS 9
EN
v. 1.0

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Summary of Contents for Regulus KRS 9

  • Page 1 Installation and operating instructions System Controller REGULUS KRS 9 v. 1.0...
  • Page 2 Content 5.25. - Room controller 7.3.12.3. - HC request A. - Safety instructions 5.25.1. - Room controller 7.3.12.4. - Heat pump run time A.1. - EC declaration of conformity 5.25.2. - Room reference day 7.3.12.5. - Heat pump idle time A.2.
  • Page 3 Safety instructions A.1. - EC declaration of conformity By affi xing the CE mark to the unit the manufacturer declares that the „ Heating Circuit Controller“, hereinafter refererred to as KRS9, conforms to the relevant safety regulations EC low voltage directive 2006/95/EC as well as the EC directive for elec- tromagnetic compatibility 2004/108/EC.
  • Page 4 Safety instructions A.5. - Warranty and liability The controller has been manufactured and tested with regard to high quality and safety requirements. The unit is subject to the statutory guarantee period of two years from the date of sale. The warranty and liability shall not include, however, any injury to persons or material damage that is attributable to one or more of the following causes: Failure to observe these installation and operating instructions Improper installation, commissioning, maintenance and operation...
  • Page 5 Description of controller B.1. - Specifi cations Electrical specifi cations: Mains voltage 230VAC +/- 10% Mains frequency 50...60Hz Power consumption max. ~3 VA Switched power Electronic relay R1 min.5W...max.120W for AC3 Electronic relay R2 min.5W...max.120W for AC3 Mechanical relay R3 460VA for AC1 / 185W for AC3 Mechanical relay R4 460VA for AC1 / 185W for AC3...
  • Page 6 Installation C.1. - Wall installation 1. Unscrew cover screw completely. Install the controller only in dry areas and under 2. Remove Terminal connection cover. Unscrew the 2 small screws left and right and the ambient conditions Caution remove the upper part of the controller by lifting it out of the socket. described under B.1 “Specifi...
  • Page 7 Installation C.2.1. Socket 169.3 R4.5 Terminal connection cover Cover screw...
  • Page 8 Installation 1. Select necessary program/hydraulics (s. „D.3. - Hydraulic C.2.2. variants / Systems / Diagrams“ on page 10) 2. Remove terminal connection cover (s. „C.2.1. Socket“ on page 7) 3. Strip cables by 55mmmax., insert, fi t the strain relief de- vices, strip the last 8-9mm of the wires (Fig.
  • Page 9 Installation D. - Terminal connection D.1. - Terminal connection The mains part of the terminal connection room is covered by a plastic sheet. Make sure that the controller is without voltage before removing it. VFS2 VFS1 RC21 Bridge Bridge D.2. - Terminal connection diagram Low Voltage PF- relay Relays...
  • Page 10 Installation D.3. - Hydraulic variants / Systems / Diagrams variant Combi. storage + Hea- Combi. storage+ Com- Combi. storage+ Solar+ Combination store+ 2 Boiler+ Compressor+ Boiler+ Sola Boiler+ Heating circ. ting circ. pressor+ Load. pump Burner Heating circ. Load. pump connection Storage Solar (bottom) Storage Solar (bottom)
  • Page 11 ar+ Burner Puffer+ Boiler+ Heating Puffer+ Boiler+ Com- Puffer+ Boiler+ Solar+ 2 mixed Heating circ. 2 mixed Heating circ.+ 2 mixed Heating circ.+ circ. pressor Burner Compressor Solar+ Compressor ar (bottom) Storage Solar (bottom) Storage Solar (bottom) Storage HC (middle) Storage HC (top) Storage HC (middle) Storage HC (middle)
  • Page 12 Installation D.4. - RC 21 Room thermostat and remote adjuster RC21 is an optional accessory and not included in the scope of supply by default. The KRS9 is fully operational without the RC21. Caution The remote adjuster with integrated thermostat RC21 provides you with easy to use temperature controlled adjust- ment of heating from within your living space.
  • Page 13 Operation E.1. - Display and input The display (1), with its extensive text and graphics mode, is almost self-explanato- ry, allowing easy operation of the controller. To change from the overview to the settings menu, press the „esc“ key. The green status LED (2) lights up when a relay is active, the red LED blinks when an error occurs.
  • Page 14 Operation E.2. - Commissioning help The fi rst time the controller is switched on and after the language and time have been set, a query appears as to whether you want to parametrise the controller using the commissioning help or not. The commissioning help can also be termi- nated or called up again at any time in the special functions menu.
  • Page 15 Operation Menu sequence and menu structure The graphics or overview mode appears when no key has been pressed for 2 minutes, or when the main menu is exited by pressing “esc“. The up and down buttons are used to scroll through the list of sensors and relays You can enter the Main menu by pressing the „esc“...
  • Page 16 Measurement values 1. - Measurement values The menu “1. Measurement values” serves to display the currently measured temperatures. The menu is closed by pressing “esc” or selecting “Exit measurement values”. If “Error” appears on the display instead of the measurement value, then there may be a defective or incorrect temperature sensor.
  • Page 17 Statistics 2. - Statistics The menu “2. Statistics” is used for function control and long-term monitoring of the system. The menu is closed by pressing “esc” or selecting “Exit statistics”. For analysis of the system data it is essential for the time to be set accurately on the controller. Please note that the clock continues to run for 24 hours if the mains voltage is interrupted, and must be reset afterwards.
  • Page 18 Periods 3. - Periods Menu “3. Times” is used to set the time, date, operating times for e.g. the heating circuit and hot water. The associated temperature reference values are specifi ed in menu 5 “Set- tings”! Caution The menu is closed by pressing “esc” or selecting “Exit periods”. 3.1.
  • Page 19 Periods 3.6. - Cooling periods Cooling activity times Set the desired time periods when the cooling (see „7.3.5. - Cooling“ on page 35) should be active. 3 periods can be set per day, settings can also be copied to other days. Outside the set times the cooling function is switched off. Setting range: from 00:00 to 23:59 /default setting: 06:00 to 22:00 3.7.
  • Page 20 Operating Modes 4. - Operating Modes In menu 4. “Operating modes” the controller can either be placed in automatic mode, switched off, or placed in a manual operating mode The menu is closed by pressing “esc” or selecting “Exit operating modes”. 4.1.
  • Page 21 Settings 5. - Settings The necessary basic settings required for the control function are made in menu “5. Settings”. This does not under any circumstances replace the safety devices to be provided by the customer! Caution The menu is closed by pressing “esc” or selecting “Exit settings”. The following pages contain generally valid descriptions for the settings.
  • Page 22 Settings 5.6.3. - Curve The characteristic curve is used to control the heat dissipation of the heating circuit relative to the outdoor tempera- ture. The demand for heat is different due to differences in the type of building/insulation/type of heating/outdoor tem- perature.
  • Page 23 Settings 5.6.7. - Minimum Flow The minimum fl ow temperature is the lower limit of the heating curve, and by this, the reference fl ow temperature of the heating circuit. Furthermore, this valule is the reference fl ow temperature for the frost protection (see also „6.2. - Frost protection“...
  • Page 24 Settings 5.8.1. - DHW reference Minimum DHW temperature during operating hours If the set temperature is undershot and the DHW heating charge is enabled i.e. the current time period is set, the DHW additional heating is switched on. Settings range: 10 °C to 60°C / Default: 45°C The request only works when an additional heat source is set as additional function, and the heat source is also set as heat request source (see also...
  • Page 25 Settings 5.20. - Error messages Settings for additional function, see also „7.3.19. - Messages“ on page 46 5.21. - Pressure control Settings for additional function, see also „7.3.20. - Pressure monitor“ on page 47 5.22. - Parallel operation R1 Settings for additional function, see also „7.3.21. - Parallel operation R1“ on page 47 5.23.
  • Page 26 Protective functions 6. - Protective functions Menu “6. Protective functions” can be used to activate and set various protective functions. The menu is closed by pressing “esc” or selecting “Exit settings”. This does not under any circumstances replace the safety devices to be provided by the customer! Caution 6.1.
  • Page 27 Protective functions Antilegionella function is not shown in the menu “Protective functions”. It is instead shown as submenu of the corresponding special function. Special functions with AL are: Solid fuel boiler (s. „7.3.6. - Solid fuel boiler“ on page 36), Solar (s. „7.3.7. - Solar“...
  • Page 28 Protective functions 6.4. - Protective functions for Solar Antilegionella function is not shown in the menu “Protective functions”. It is instead shown as submenu of the corresponding special function (see „7.3.7. - Solar“ on page 37). Caution 6.5. - System protection Highest Priority Protection System protection prevents overheating of system components by automatic shutdown of the solar pump.
  • Page 29 Protective functions 6.6.2. - Frost protection A two-stage frost protection function can be activated. In stage 1 the controller switches the pump on for 1 minute every hour if the collector temperature drops below the set value “Frost stage 1”. If the collector temperature drops further to the set value “Frost stage 2”...
  • Page 30 Special functions 7. - Special functions Menu “7. Special functions” is used to set basic items and expanded functions. Except for the time all settings should only be made by a specialist. Caution The menu is closed by pressing “esc” or selecting “Exit special functions”. The enumeration of the menus may vary from system to system.
  • Page 31 Special functions Speed control 7.2.2. - Type of pump The type of speed controlled pump must be entered here. Standard: Speed control for standard pumps. 0-10V: Speed control of e.g. High effi cency pumps by 0-10V signal. PWM: Speed control of e.g. High effi cency pumps by PWM signal. The selection of the type of pump is not applicable for R1 and R2.
  • Page 32 Special functions 7.3. - Relay functions Free, i.e. in the specifi c hydraulic variant unused relays, can be assigned to various additional functions. Every addi- tional function can only be assigned once. R1 and R2: ELRs / electronically speed controlled relays. R3 to R6: Mechanical relay 230V R7: Potential free relay V1 and V2: PWM and 0-10 V output...
  • Page 33 Special functions 7.3.2. - Heat transfer This is used to transfer energy from one storage to another with a pump. Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none 7.3.2.1. - ∆ T Heat transfer Temperature difference for heat transfer function. When the temperature difference between HT Source and HT Drain reaches ∆T Heat Transfer On, the relay is switched on.
  • Page 34 Special functions 7.3.4. - Thermostat Thermostat is used for time and temperature controlled additional heating. Settings range: On, Off Temperature values which are set too high can lead to scalding or damage to the system. Scalding pro- tection must be provided by the customer! Danger! In Energy savings mode, different settings may apply, see e.g.
  • Page 35 Special functions 7.3.5. - Cooling This is used to cool e.g. storages down to a reference temperature by radiating heat or for a time- and tem- perature controlled air conditioning. 7.3.5.1. - Cooling Settings range: AC, simple, Off 7.3.5.2. - Co Tref The reference temperature at thermostat sensor 1.
  • Page 36 Special functions 7.3.6. - Solid fuel boiler The relay is used to control the pump of an additional solid fuel boiler. 7.3.6.1. - Solid fuel boiler Settings range: On, Off 7.3.6.3. - SF Tmax Maximum temperature in the storage. If this is exceeded, the relay is switched off. Settings range: Off to 100°C / Default setting: 70°...
  • Page 37 Special functions 7.3.7. - Solar This function is used to control a solar pump. 7.3.7.1. - Solar Settings range: On, Off 7.3.7.2. - Tmin S (X) Enable/start temperature at sensor X: If this value is exceeded at the applicable sensor X and the other conditions are also met, then the controller switches on the associated pump and/or valve.
  • Page 38 Special functions 7.3.8. - Solar bypass Use the relay to switch a bypass valve or a bypass pump This can direct the fl ow past the storage, when the fl ow temperature at the bypass sensor is lower than the storage that has to be charged.
  • Page 39 Special functions 7.3.10. - Burner This function activates a heat request for a burner, as soon as Tref is undershot, until Tref + hysteresis is reached, or a request from the heating circuit or the domestic hot water is present. In Eco Mode, energy saving settings are used when the solar pump is running.
  • Page 40 Special functions 7.3.11. - Boiler pump The boiler pump is switched with the burner. This menu is only available when the additional function burner is active. 7.3.11.1. - Boiler pump Settings range: On / Off 7.3.11.2. - BP Tmin Minimum temperature at the burner sensor to enable the boiler pump. As soon as this temperature is exceeded at the set sensor, and suffi...
  • Page 41 Special functions 7.3.13. - Loading pump This switches the load pump of a heat pump on when a heat request of the heating circuit or the domestic hot water is present. Only available when the compressor was activated. 7.3.14.2. - Loading pump Settings range: On, Off 7.3.13.1.
  • Page 42 Special functions 7.3.15. - Heating circuit 2 A heating circuit pump is switched on and off depending on the reference value. The reference temperature is calculated by a combination of outdoor temperature and characteristic curve. 7.3.15.1. - Heating circuit 2 Settings range: Off, Auto, Continous Day, Continous night, Reference Value, 14 day reference 7.3.15.2.
  • Page 43 Special functions The diagram shows the infl uence of the selected characteristic curve steepness (standard curve) on the calculated reference fl ow temperature of the heating circuit. The correct curve is appointed by setting the intersection point of the calculated maximum fl ow tem- perature and the minimum outdoor temperature.
  • Page 44 Special functions 7.3.15.9. - Minimum Flow The minimum fl ow temperature is the lower limit of the heating curve, and by this, the reference fl ow tempera- ture of the heating circuit. Furthermore, this valule is the reference fl ow temperature for the frost protection (see also „6.2.
  • Page 45 Special functions 7.3.16. - Return fl ow increase This function is used to raise the temperature of e.g. the return fl ow by making it pass through the storage. Settings range: On, Off 7.3.16.1. - Return fl ow increase Settings range: On, Off 7.3.16.2.
  • Page 46 Special functions 7.3.18. - Circulation A ciculation pump at the domestic hot water storage is temperature and time controlled by this function. 7.3.18.1. - Circulation Settings range: On, Off 7.3.19.1. - Circulation Tmin If the temperature drops below this value during a circulation period at the circulation sensor, or a heat request is caused due to water being tapped, the circulation pump is started.
  • Page 47 Special functions 7.3.20. - Pressure monitor The relay is switched on when the pressure drops below set minimum or exceeds the set maximum pressure. Settings range: On, Off / Default setting: Off 7.3.20.1. - Pressure monitor This menu is used to confi gure the system pressure montoring via direct sensor. As soon as the set limits are exceeded, the relay is switched on.
  • Page 48 Special functions 7.3.24. - Heat quantity Constant fl ow When the heat metering mode „Flow rate“ is selected, an approximated heat quantity is calculated using the values the user has to enter. These are type of glycol/AntiFreeze, glycol portion and fl ow rate. These values are put into correla- tion with the temperature data of collector sensor and storage sensor.
  • Page 49 Special functions 7.3.25. - Pressure monitor A message is shown when the pressure drops below set minimum or exceeds the set maximum pressure. No relay is switched, for that see „7.3.20. - Pressure monitor“ on page 47. 7.3.26. - Pressure monitor A message is shown and the LED fl...
  • Page 50 Special functions 7.7. - SD-Card Settings for the data logging and fi rmware update function with SD card. 7.7.1. - Logging Activate the logging function and set the fi le format used. Settings range: CSV, TSV, JSON, Off / Default setting: Off 7.7.2.
  • Page 51 Menu lock, Service values, Languages 8. - Menu lock Menu „8. - Menu lock“ can be used to secure the controller against unintentional changing of the set values. The menu is closed by pressing “esc” or selecting “Exit menu lock”. The menus listed below remain completely accessible despite the menu lock being activated, and can be used to make ad- justments if necessary: Measurement values...
  • Page 52 Malfunctions Z.1. Malfunctions with error messages If the controller detects a malfunction, the red light fl ashes and the warning symbol also appears in the display. If the error is no longer present, the warning symbol changes to an info symbol and the red light no longer fl ashes. Led blinks + warning symbol) To obtain more detailed information on the error, press the key underneath the warning or info symbol.
  • Page 53 Malfunctions and Maintenance Replacing the fuse Repairs and maintenance may only be performed by a specialist. Before working on the unit, switch off the power supply and secure it against being switched on again unintentionally! Check for the absence of power! Danger Only use the supplied spare fuses or fuses of the same design with the following specifi...
  • Page 54 Manual pump confi guration K. - Appendix Manual pump confi guration (see „7.2. - Speed control“ on page 30). It is recommended however to use the preset profi les. K.1. - Pump In this menu, preconfi gured profi les for various pumps can be selected. Please note that individual settings are still possible even when a profi...
  • Page 55 Manual pump confi guration K.1.10. Example for pump settings Speed Max rpm Min rpm 0-5% Cable break detection Stop 5-20% Stop 25% Start Start 25-90% Area of control PWM-Signal (%) 20% 25% 100% PWM on >=25% PWM max <= 90% PWM off 5% - 20% K.1.11.
  • Page 56 WEEE registration number: 02771/07-ECZ disposal service, or the shop where you purchased the product. 12/2012 REGULUS spol. s r.o. Do Koutů 1897/3 http://www.regulus.eu 143 00 Praha 4 E-mail: sales@regulus.cz CZECH REPUBLIC...