REGULUS SRS2 TE Solar Controller
EN
v. 1.3
Installation, Wiring and Operating Instructions
Page 1: ...REGULUS SRS2 TE Solar Controller EN v 1 3 Installation Wiring and Operating Instructions...
Page 2: ...7 Periods 23 4 15 Recirculation 23 4 15 1 Min set temperature 23 4 15 2 Hysteresis 23 4 15 7 Recirculation time programs 23 5 Protective functions 24 5 1 Anti Legionella 24 5 2 System protection 25 5...
Page 3: ...3 SRS2 TE 2 output mechanical relays 460 W 1 output mechanical relays 3 5 kW 3 inputs for Pt1000 temperature sensors This Instruction Manual applies to the following hardware version...
Page 4: ...e g safety valve air vent valve etc to be installed into a solar circuit Installation of the unit may only be carried out by a specialist who is trained on the required level For the user Make sure t...
Page 5: ...ponents into the controller that has not been tested together with the controller The controller shall not be used after an accident when its functions may have been affected e g after a fire The cont...
Page 6: ...s Collector sensor 30 m other Pt1000 sensors 10 m Mechanical relay 10 m Clock backup period 24 h Permissible ambient conditions Ambient temperature for controller operation 0 C 40 C for transport stor...
Page 7: ...strain relief clips with 24 screws replacement fuse T2A 250V 3 Pt1000 temperature sensors B 4 Scope of supply IMPORTANT INFORMATION ON DISPOSAL IN COMPLIANCE WITH THE EUROPEAN DIRECTIVE 2002 96 ES Eur...
Page 8: ...nd gas boiler 8 Solar with hot water storage tank w recirculation and heat pump 1 Solar with hot water storage tank 2 Solar with hot water storage tank and el heating element 3 Solar with hot water st...
Page 9: ...of the housing up to the selected position and mark the 3 mounting holes Make sure that the wall surface is as even as possible so that the housing does not become distorted when it is screwed on 5 Ma...
Page 10: ...les only into the left hand side of the unit and mains voltage and relay cables only into the right hand side The controller is not equipped with a mains switch For this purpose please use e g a circu...
Page 11: ...The controller operates with Pt1000 temperature sensors Max sensor lead length for S1 sensor is 30 m and its cross section at least 0 75 mm2 Max sensor lead length for S2 and S3 is 10 m and its cross...
Page 12: ...igh efficiency pumps Mains voltage 230 V 50 Hz Terminal connection for N neutral N R1 relay 1 N Mains neutral N L Mains phase L N neutral N R2 relay 2 R3l relay 3l R3 relay 3 PE protective conductor g...
Page 13: ...13 D 2 Example of el heating element wiring Installation L mains phase N mains neutral PE protective conductor el heating element Controller SRS2 TE sensor 4 mains voltage 230 V...
Page 14: ...if manual operation mode is set flashes quickly red if an error occurred Entries are made using four keys 3 4 which are assigned to different functions depending on the situation The esc key 3 is used...
Page 15: ...the selected setting again or adjust it if desired Pressing the esc more than once takes you back step by step to the selection mode thus cancelling the setup wizard Finally menu 3 2 under operating...
Page 16: ...re values with explanations Function control of the system with operating hours etc Automatic mode manual mode or switch unit off Set parameters needed for normal operation Solar and frost protection...
Page 17: ...display instead of the measurement value then there may be a defective temperature sensor or its wiring If the cables are too long or the sensors are not placed optimally the result may be small devia...
Page 18: ...2 1 Operating hours Display of operating hours of the solar pump connected to the controller various time spans are available last day week month year 2 2 Heat quantity Display of the approximate heat...
Page 19: ...temperatures and the parameters which have been set The measured temperatures are also shown 3 3 Off When the operating mode Off is activated all controller functions are switched off This can lead f...
Page 20: ...If this temperature difference between the reference sensors is exceeded and the other conditions are also met then the controller switches on the applicable relay When the temperature drops by T Off...
Page 21: ...or S X drops below this value then the pump and or the valve are switched on again Setting range 0 99 C Default setting 60 C Temperature values which are set high will allow higher solar heat accu mul...
Page 22: ...nsor 1 4 14 4 Aux heat source sensor 2 TH set is measured with thermostat sensor 1 and compared to T set When thermostat sensor 2 is also connected the relay switches on when T set is undershot at the...
Page 23: ...ture If temperature at the hot water sensor drops below this temperature during the period when HW recirculation is active see 4 15 7 the recirculation pump is switched on Setting range 10 C to 90 C D...
Page 24: ...t a temperature of AL Tset 5 C The time of this heat up is then displayed as Last AL heat If the temperature of AL Tset 5 C is not reached within 2 hours the attempt will be cancelled and started agai...
Page 25: ...functions Warning Collectors do not get cooled and stay heated This may result in limited lifetime of the solar fluid If you use this function please check your solar fluid regularly If CP T on is exc...
Page 26: ...C or OFF Default setting 7 C Setting range Frost level 2 25 to 8 C or OFF Default setting 5 C Protection against pump seizing by regular short running of a pump or a valve Seizing may occur after long...
Page 27: ...specialist Incorrect program selection can lead to unpredictable errors If the program is changed the settings revert to factory settings For hydraulic variants 6 7 and 8 one extra Pt1000 temperature...
Page 28: ...s switched off pumps that can detect cable break need a minimum voltage Setting range Solar 0 to 50 Default setting 0 HP 50 to 100 Default setting 100 6 2 5 PWM Zap 0 10V Zap This signal is needed to...
Page 29: ...e speed of the pump down to the smallest stage and the T between the reference sensors is T off the pump is switched off Mode M3 Control to constant collector temperature starting from min speed After...
Page 30: ...ut into correlation with the temperature data of selected sensors choice in 6 7 5 6 7 6 and 6 7 7 6 7 Heat quantity Caution The heat quantity measured in the mode Constant flow rate is a calculated ap...
Page 31: ...n mode thus cancelling the commissioning help Caution May only be started by a specialist during commissioning Observe the explanations for the individual parameters in these instructions and check if...
Page 32: ...ndition then the start aid function is subject to a 5 minute lockout time Starting aid setting range on off Default setting off Purging time setting range 2 30 s Default setting 5 s Increase setting r...
Page 33: ...stics 6 12 Time date 7 Menu lock 8 Service values To lock the other menus select Menu lock on To enable the menus again select Menu lock off Setting range on off Default setting off Menu lock Menu 7 M...
Page 34: ...es Caution Note down data at the time when an alarm or error occurs e g into the following table 8 1 8 31 8 2 8 32 8 3 8 33 8 4 8 34 8 5 8 35 8 6 8 36 8 7 8 37 8 8 8 38 8 9 8 39 8 10 8 40 8 11 8 41 8...
Page 35: ...35 9 Language Menu 9 Language can be used to select the language for the menu guidance This is queried automatically during initial commissioning Language...
Page 36: ...key under the warning or info symbol Possible error messages Notes for the specialist Sensor x defective Means that either the sensor the sensor input at the controller or the connecting cable is def...
Page 37: ...nit switch off the power supply and secure it against being switched on again Check for the absence of power Only use the supplied spare fuse or a fuse of the same design with the following specificat...
Page 38: ...rtainty as to the control response or malfunctions the service values are a proven and successful method for remote diagnosis Write the service va lues down see 8 at the time when the suspected malfun...
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