Regulus SRS6 Installation And Operating Instructions Manual
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Regulus SRS6 Installation And Operating Instructions Manual

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Installation and Operating Instructions
REGULUS SRS6 EP Controller
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ver. 1.2

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Summary of Contents for Regulus SRS6

  • Page 1 Installation and Operating Instructions REGULUS SRS6 EP Controller ver. 1.2...

  • Page 2: Table Of Contents

    Part Z - Malfunctions and maintenance Z 1 Malfunctions with error messages Z 2 Replacing the fuse Z 3 Maintenance Z 4 .Useful hints and tricks Z 5 Disposal Part J - Appendix J Pump control - types REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 3 1 output mechanical relay, 230VAC (with changeover contacts) 2 output electronic relay with a standard pump speed control 2 PWM/0-10V output for low-energy pumps 6 inputs for Pt1000 temperature sensors 2 VFS flowmeter direct sensor inputs REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 4: A2 General Information

    Part A - Safety A1 Declaration The manufacturer declares that the SRS6 EP Solar Controller is marked with the CE mark and conforms to the following relevant safety regulations: - Directive 2006/95/EC = EC low voltage directive - Directive 2004/108/EC - EC electromagnetic compatibility directive...

  • Page 5: A4 Changes To The Unit

    • Marking of the Manufacturer and Distributor shall not be altered or removed. • All adjustments shall be done in compliance with this Guide. Changes to the unit can compromise the safety and function of the unit or the en- tire system. Danger REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 6 Installation methods wall installation, optionally panel installation Overall dimensions 163 × 110 × 52 mm Installation aperture dimensions 157 × 106 × 31 mm Display fully graphic display, 128 × 128 multicolour Operation 4 entry keys REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 7: B 3 Description

    B 3 - Description SRS6 EP Controller is designed for automatic control of solar thermal systems. The SRS6 EP model is inten- ded to control solar thermal systems with up to 2 independent solar arrays and one or two solar consumers.
  • Page 8 Controller and VFS sensor have to have the same ground potential. The VFS sensor uses a functional earth connector (PELV). The PE-connector of the controller has to be connected to the pipe system near the sensor. Danger REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 9: C 2 Wall Installation

    6. Insert the upper screw and screw it in slightly. 7. Fit the upper part of the housing and insert the fixing points other two screws. 8. Align the housing and tighten the three screws. fixing points fixing points Fig. C 2.2 REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 10 5. Open the terminals using a flat screwdriver (Fig. C 2.4) and wire the leads following the diagram. 6. Refit the upper housing part and fasten with screw. C.2.4. 7. Switch on mains voltage and place controller in operation. REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 11: C 3 Installing The Temperature Sensors

    The VFS shall be connected to the solar return. Observe the correct flow direction of solar fluid and its max. permissible temperature range (-40 °C to +100 °C, -2 5°C to +120 °C in short term). The flowmeter cables must be routed separately from mains voltage cables! Caution REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 12: D 1 Terminal Block Wiring

    The power supply of low-energy pumps with 0-10V / PWM pumps can be connected to the corresponding relay (V1 -> R1, R2 -> V2), since the relays are switched on and off with the signal. REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 13: D 2 Hydraulic Variants / Systems

    D 2 - Hydraulic variants / systems REGULUS SRS6 EP Controller - www.regulus.eu │...
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  • Page 19: E 1 Display And Input

    = scroll menu down/up yes/no = approve/reject Info = additional information Warning/error message Back = to previous screen = confi rm selection New information available Confi rm = confi rm setting logging is active REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 20: E 2 Commissioning Help

    Then switch on automa- Caution tic mode. Observe the explanations for the individual parameters on the following pages, and check whether further settings are necessary for your application. REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 21: E4 Menu Sequence And Menu Structure

    6. Special functions additional sensor, etc. 7. Menu lock 7. Against unintentional setting changes at critical points 8. Service Data 8. For diagnosis in the event of an error 9. Language 9. Language selection REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 22: Measurement Values

    In this case the display values can be compensated for using the function of sensor compensation - see Chapter 6.7. on page 47. Which sensors are displayed will depend on the program selected, sensors connected and settings. REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 23: Statistics

    Display of the last 20 events occurring in the system with indication of date and time. 2.5 - Reset / clear menu 2.6 Resetting and deleting the individual analyses. The function “All statistics” clears all analyses but not the error messages. REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 24: Operating Modes

    Never select other mode than automatic without a reason! Long-term operation in manual mode may lead to collector or storage tank overheating and limiting the lifetime of solar fluid and other solar thermal components! REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 25: Settings

    Temperature values which are set high will allow higher solar heat accumulation but it shall be checked that all system components are resistant to high temperatures and scalding protection is provided. Regulus solar systems are safe for heating water up to 95 °C. Danger 4.3 - Tmax SB...
  • Page 26 (see 4.9 Increase) that allows charging in the higher-priority storage tank. If not, the lower-priority storage tank continues to be charged until the next interruption. Settings range: 1-90 min/ / Default setting: 20 min REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 27 If the temperature increase is lower than this setting (Increase), then the interruption is finished and charging to the lower-priority storage tank continues. Settings range: 1-10°C/min / Default setting: 3°C/min REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 28: Protective Functions

    System protection has a higher priority than collector protection. Only when the switch on condi- tions for collector protection are met, the solar pump will be switched on, supposed the CP Ton temperature is reached. REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 29 Settings range: Frost stage 2: -25 to 8 °C or off / Default setting: 5 °C This function causes energy loss via the collector! As Regulus solar thermal systems are filled with antifreeze fluid, the antifreeze protection shall re- Caution main off.

  • Page 30: Special Functions

    0-10V: enables speed control for high efficiency pumps with 0-10V control PWM: enables speed control for high efficiency pumps with PWM control. 6.2.2 Pump menu 6.2.2 In this menu, preconfigured profiles for pump control can be selected. Described in Chapter J - Appendix. REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 31 6.3 - Speed control R1 / R2 menu 6.3 With activated speed control the SRS6 EP makes it possible to vary the speed of a connected standard pump wired to R1 relay by means of special internal electronics. This function should only be activated by a specialist. Depending on the pump and pump stage used, the minimum speed should not be set too low, because otherwise the pump or the system may be damaged.
  • Page 32 This value is the control setpoint for Mode 3 (see „6.3.1. - Modes“ on page 31). If the value at the collector sensor drops below this, the speed is reduced. If it rises above this, the speed is increased. Settings range: 0 - 90 °C / Default setting: 60 °C REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 33 6.4.1.2 - Bypass (sensor) menu 6.4.1.2 The flow sensor for the bypass function is selected in this menu. Do not install in the return flow. Settings range: S1-S8, VFS1, VFS2 / Default setting: none REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 34 Loading this storage activates the Energy saving mode When this storage is charged by solar, additional heating is only switched on when the temperature is below T eco. Settings range: (Storage sensors) / Default setting: first storage REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 35 Outside the set times the thermostat is switched off. Settings range: from 00:00 to 23:59 /Default setting: 06:00 to 22:00 6.4.3. Thermostat 2 menu 6.4.3 Thermostat is used for time- and temperature controlled additional heating. See Thermostat 1 REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 36 Set the desired periods of time when the cooling 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. Settings range: from 00:00 to 23:59 /Default setting: 06:00 to 22:00 REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 37 Determines the sensor for return flow increase. Settings range: S1-S8, VFS1-2, active storage / Default setting: none 6.4.5.4. - Storage (sensor) menu 6.4.5.4 Determines the storage sensor Settings range: S1-S8, VFS1-2, active storage / Default setting: none REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 38 Settings range: 2 to 60 °C / Default setting: -20 6.4.6.4 Field cooling sensor menu 6.4.6.4 Reference sensor of the collector field cooling function. Settings range: S1-S8, VFS 1-2, active storage, RC / Default setting: none REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 39 Caution Attention Whenever heating-up has been carried out with the anti-Legionella function switched on, an information message with the date appears on the display. REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 40 6.4.8.5 – HT Drain (Target sensor) menu 6.4.8.5 This determines the sensor placed in the storage that is receiving energy from the source storage. Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 41 Maximum temperature at target sensor to enable difference function If the temperature at the target sensor exceeds this value, difference function is disabled. Settings range: 0 to 99 °C / Default setting: 60 °C REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 42 Settings range: On, Inverted, Off / Default setting: Off Collector protection System protection Frost protection Recooling Antilegionella protection Message Collector alarm REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 43 6.4.13.1. – Filling time menu 6.4.13.1 This setting determines the length of time the pump is switched on at the start of a solar charge. Settings range: 0-120 s / Default setting: 30 s REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 44 Set the desired periods of time when the heat circuit day mode should be active. 3 periods can be set per day, settings can also be copied to other days. Outside the set times the heating function is working in night mode. Settings range: from 00:00 to 23:59 /Default setting: 06:00 to 22:00 REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 45 30 °C, measured return temperature 31 °C = results in a correction value of -20% (displayed ΔT 10K, real ΔT 8K = -20% correction). Settings range: -50 to +50 % / Default setting: 0 % REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 46 6.6.1.3. - Pmax menu 6.6.1.3 Maximum pressure If this value is exceeded, an error message is displayed and the relay is switched on. Settings range: Off; 0,0 to 10 bar Default setting: 1.6 bar REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 47 Increase setting range: 1 °C..10 °C/default setting: 3 °C/min Note: This function shall be activated by an expert only, in case when problems with acquiring measured values appear. First of all, instructions from the collector manufacturer shall be respected. Caution REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 48 If a message is waiting, the backlight is not switched off. 6.14. – Temperature unit menu 6.14 This menu is used to select the temperature unit that is displayed. °F, °C / Default °C REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 49: Menu Lock

    “esc”. Language menu 9 9 - Language Menu “9. Language” can be used to select the language for the menu guidance. This is queried automatically during initial commissioning. The controller contains 18 languages. REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 50: Z 1 Malfunctions With Error Messages

    A relay was switched on and off more than 5 times within 5 minutes. AL failed This text is displayed when AL ref-5 °C was not reached for the set Al residence time at the AL sensor. REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 51: Z 2 Replacing The Fuse

    (e.g. pump) and replace it. Then first re-co- mmission the controller and check the function of the switch outputs in manual mode as described in Chap. 3.2. Fig. 3.1.1 REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 52: Z 3 Maintenance

    - Check the error memory (see Chap. 2.4) - Verify/check plausibility of the current measurement values (see Chap. 1) - Check the switch outputs/consumers in manual mode (see Chap. 3.2) - Possibly optimize the parameter settings REGULUS SRS6 EP Controller - www.regulus.eu │...

  • Page 53: Z 4 .Useful Hints And Tricks

    For more de- tailed information about the disposal of your old equipment, please contact your local authorities, waste disposal service, or the shop where you purchased the product. WEEE registration number: 02771/07-ECZ REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 54 Settings range: 10 to 90 % / Default setting: 30 % Caution: This function has no influence on the regulation, but changes only the speed displayed. Caution J. 14.7. - Show signal Displays the set signal in text and a graphical diagram. REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 55 10K Ohm Technical data 0-10V: 10V = 100% Speed 0-10V: 2V to 10V 5V = 50% Speed (20% to 100%) 2V = 20% Speed Designed for a load of 0V = Off 10K Ohm. REGULUS SRS6 EP Controller - www.regulus.eu │...
  • Page 56 04/2017 REGULUS spol. s r.o. Do Koutů 1897/3 http://www.regulus.eu 143 00 Praha 4 E-mail: sales@regulus.cz CZECH REPUBLIC REGULUS SRS6 EP Controller - www.regulus.eu │...

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