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Regulus SRS3 E, Installation, Wiring And Operation Manual

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Regulus SRS3 E Installation, Wiring And Operation Manual Download Page 24

24

Special functions

Menu “6. Special functions” is used to set basic 

items and expanded functions.

The  menu  is  closed  by  pressing  “esc”  or  

selecting “Exit special functions”.

6. - Special functions

Time and Date is the only function to 

be set by the user. Other functions 

may be set by a specialist only.

The suitable hydraulic variant for the specific application is selected and set here (see 

Chap. D.1 Hydraulic variant). The associated diagram is displayed on pressing “info”. 

6.1. - Program selection

Normally the program selection is made only once during initial com-

missioning by the specialist. Incorrect program selection can lead to 

unpredictable errors.

 If the program is changed, the settings revert to factory settings.

This menu contains the settings for the speed controlled output V1.

6.2. - Pump settings V1

6.2.1. - Type of signal

The type of speed controlled pump must be entered here.

0-10V

: Speed control of a high efficiency pump by 0-10V signal. 

PWM

: Speed control of a high efficiency pump by PWM signal.

Selection from preset pump control profiles. The setting can be done manually as well. 

Parameters may be changed manually even when a preset profile is set.

6.2.2. - Pump profile

Warning

   Caution

   Caution

For control of standard pumps, no settings are needed in this 

menu. Just connect the pump’s power supply cable to R1.

   Caution

Summary of Contents for SRS3 E

Page 1: ...REGULUS SRS3 E Controller EN v 1 2 Installation Wiring and Operation Instructions ...

Page 2: ...6 Special functions 24 6 1 Program selections 24 6 2 Pump settings V1 24 6 2 1 Type of pump 24 6 2 2 Pump 24 6 2 3 Output signal 24 6 2 4 0 10V PWM Off 25 6 2 5 0 10V PWM On 25 6 2 6 0 10V PWM Max 25 6 2 7 Show signal 25 6 3 Speed control 26 6 3 1 Modes 26 6 3 2 Purging time 27 6 3 3 Sweep time 27 6 3 4 Max speed 27 6 3 5 Min speed 27 6 3 6 Setpoint 27 6 3 7 Temperature difference 27 6 5 Relay fun...

Page 3: ...struction Manual applies to the following hardware version SRS3 E v 5 September 2015 SRS3 E 2 output mechanical relays 230VAC 1 PWM 0 10V output for high efficiency pumps 4 inputs for Pt1000 temperature sensors ...

Page 4: ...replace any safety devices 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 that the specialist gives you detailed information on the function and operation of the controller Always keep these instructions in the vicinity of the controller Any changes...

Page 5: ...inued use of the unit despite an obvious defect Failure to use original spare parts and accessories Use of the device for other than its intended purpose Operation above or below the limit values listed in the specifications Force majeure A 5 Warranty Safety Instructions A 4 Changes to the unit Changes additions to or conversion of the unit are not permitted without a written permission from the M...

Page 6: ... connection CAN Bus Permissible cable length of sensors and accessories Collector and outdoor temp sensors 30 m other Pt1000 sensors 10 m PWM 0 10V 3 m Mechanical relay 10 m Clock backup period 24 hod Permissible ambient conditions Ambient temperature for controller operation 0 C 40 C for transport storage 0 C 60 C Air humidity for controller operation max 85 rel humidity at 25 C for transport sto...

Page 7: ... Controller 3 screws 3 5 35 mm and 3 dowels 6 mm diam for wall installation 6 strain relief clips with 12 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 European Directive 2002 96 EC requires that the equipment bearing this symbol on the product and or its packaging must not be...

Page 8: ...part 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 TMark the position on the wall with a pencil Using a drill and size 6 bit drill 3 holes at the points marked on the wall and push in the plugs Fig C 1 2 6 Insert the upper screw and screw it in sli...

Page 9: ... cables such as temperature sensor cables must be routed separately from mains voltage cables Feed temperature sensor cables 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 circuit breaker The cables being connected to the unit must not be stripped by more ...

Page 10: ...5 is 30 m and its cross section at least 0 75 mm2 Max sensor lead length for S2 to S4 is 10 m and its cross section at least 0 75 mm2 Make sure there is no contact resistance in the wiring Select the proper location for the sensor where it feels the right temperature Use only immersion sensors Pipe mounted sensors only in exceptional cases Make sure that the terminals of extension cables and senso...

Page 11: ...sor 4 S4 sensor 4 GND Mains voltage 230V 50Hz Terminal connection for N neutral N R1 relay R1 N neutral N L mains phase L N neutral N R2 relay R2 PE protective conductor green yellow S4 VFS2 VFS1 CAN CAN V1 S4 S3 S3 S2 S2 S1 S1 PELV N R2 L N R1 N D Terminal block wiring Sensor connection max 12V On the controller board CAN1 CAN Bus connection CAN2 CAN Bus connection Warning Mains voltage 230V Dang...

Page 12: ...mperature limiters scalding protectors etc and must therefore be provided ΔT Heat transfer between hot water storage tanks ΔT Universal ΔT Shutoff valve Thermostat S1 S1 S1 S1 S1 S1 S1 S1 S2 S2 S2 S2 S2 S4 S2 S2 S2 R1 V1 R1 V1 R1 V1 R1 V1 R2 R2 R1 V1 R1 V1 S1 S1 S2 S2 S3 S3 R2 R2 R1 V1 R1 V1 Solar with hot water storage tank Solar with pool Solid fuel boiler with hot water storage tank Solar with ...

Page 13: ...S1 S1 S1 S1 S1 S1 S1 S1 S1 S1 S4 S4 S2 S2 S2 S2 S2 S4 S3 S3 S2 S2 S2 S2 S2 S2 R2 S3 R2 S3 S3 S3 S4 R1 V1 R1 V1 R1 V1 R1 V1 R1 V1 R2 R1 V1 R1 V1 R1 V1 R1 V1 R2 R2 R2 R2 R2 R2 R2 R2 R1 V1 R1 V1 Solar with pool and heat exchanger Solar with bypass Solar with 2 hot water storage tanks and 3 way valve 2 East West solar arrays and 2 pumps Solar with 2 hot water storage tanks and 2 pumps 2 East West sola...

Page 14: ...ifferent functions depending on the situation The esc key 3 is used to cancel an entry or to exit a menu The function of each of the other three keys 4 is shown in the display line directly above the keys the right hand key generally has a selection and confirmation function Examples of key functions increase decrease values scroll menu down up YES NO approve reject Info additional information Bac...

Page 15: ... 2 under operating mode Manual should be used to test the switch outputs with the solar consumers connected and to check the sensor values for plausibility Then switch on automatic mode If you decide not to use the commissioning help you should make the necessary settings in the following sequence Menu 9 Language Menu 6 11 Time and date Menu 6 1 Program selection Menu 4 Settings all values Menu 5 ...

Page 16: ... If the cables are too long or the sensors are not placed optimally the result may be small deviations in the measurement values In this case the display values can be compensated for using the function of sensor compensation see Chapter 6 7 Which sensors are displayed will depend on the program selected sensors connected and settings Measurements 1 Measurements 1 Measurements 2 Statistics 3 Opera...

Page 17: ... 2 1 2 2 as a bar graph Various time ranges are available for comparison The two left hand keys can be used to page through the data 2 4 Message log Resetting and deleting the individual analyses The function All statistics clears all statistics but not the error messages 2 5 Reset clear Display of the last 10 events occurring in the system with indication of date and time Caution For analysis of ...

Page 18: ...ted pump valve or heating rod are switched on and off manually by pressing a key with no regard to the current 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 for example to overheating of the solar collector or other system components The measured t...

Page 19: ...s replace the safety elements to be provided by the customer Settings Switch on switch off temperature difference for solar heat If this temperature difference between the reference sensors is exceeded and the other conditions are also met then the controller switches the applicable relay on When the temperature drops to ΔT Off then the relay is switched off 4 4 ΔT1 ΔT pool If the set temperature ...

Page 20: ...ure 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 thermal systems are safe for heating water up to 95 C 4 7 ΔT2 4 8 Tmax S3 4 13 Tmax pool Settings see 4 4 ΔT1 Settings see 4 5 Tmax S2 Switch off temperature at pool sensor If this value is ex...

Page 21: ...necessary temperature increase of the collector at which the interruption of the charging into the lower priority storage tank is extended by one minute is set here The interruption is extended because the temperature increase of the collector is expected to enable charging in the higher priority storage tank soon As soon as ΔT conditions are met the priority storage tank is charged If the rise in...

Page 22: ...r the pump is switched on in order to cool the collector down The pump turns off when the collector temperature drops be low CP Toff or the temperature Storage X maximum is exceeded in the storage or pool In systems with 2 storage tanks only the lower priority tank or pool is used for collector cooling When this function is active a storage tank or swimming pool may get heated up to Storage X maxi...

Page 23: ...llector temperature then exceeds the value Frost level 2 by 2 C then the pump switches off again 5 4 Frost protection Protective functions Protective functions At the end of a sunny day the temperature in a storage tank may easily reach high values In order to prevent further temperature increase the next day excess energy can be released into the air via collectors under cloudy conditions or afte...

Page 24: ...sioning by the specialist Incorrect program selection can lead to unpredictable errors If the program is changed the settings revert to factory settings This menu contains the settings for the speed controlled output V1 6 2 Pump settings V1 6 2 1 Type of signal The type of speed controlled pump must be entered here 0 10V Speed control of a high efficiency pump by 0 10V signal PWM Speed control of ...

Page 25: ...3 Output Signal This signal is put out when the pump is switched off pumps that can detect cable break need a minimum voltage This signal is needed to turn the pump on at minimum speed This determines the output voltage for the maximum performace of the pump that is used e g during purging or manual operation Displays the set signal in text and a graphical diagram Special functions 6 2 4 0 10V PWM...

Page 26: ...less than the set value then the speed is decreased by one stage after the Sweep time elapses If the controller has adjusted the speed of the pump down to the smallest stage and the ΔT between the reference sensors is below TΔoff the pump is switched off M3 Control to constant collector temperature starting from min speed The pump starts at max speed After the purging time the controller switches ...

Page 27: ...here The indi cated percentages are guide values that may vary to a greater or lesser extent depending on the system pump and pump stage 100 is the maximum possible voltage frequency of the controller 6 3 4 Max speed 6 3 5 Min speed 6 3 6 Setpoint 6 3 7 Set ΔT The maximum speed of the pump is specified here During the setting the pump runs at the specified speed and the flow rate can be determined...

Page 28: ...olar with storage and additional Solar Bypass function Solar with heat exchanger and addi tional Return Flow Increase function 6 5 Relay functions 6 5 1 Solar bypass Use the relay to switch a bypass valve or a bypass pump This can direct the flow pass the storage when the flow temperature at the bypass sensor is lower than the storage that has to be charged 6 5 1 2 Variant 6 5 1 3 Bypass sensor Th...

Page 29: ... connected the relay switches on when T set is not reached at thermostat Sensor 1 and switches off when T set hysteresis at thermostat sensor 2 is exceeded 6 5 2 4 Thermostat sensor Optional switch off sensor When T set hysteresis is exceeded at the optional thermostat sensor 2 the relay is switched off 6 5 2 5 Thermostat 2 sensor For Energy saving mode When Energy saving mode is active During sol...

Page 30: ...e at the cooling sensor Cooling is on above this temperatu re till Co T set hysteresis is reached 6 5 3 3 Co hysteresis If the temperature at the cooling sensor drops below Co T set hysteresis the relay is switched off 6 5 3 4 Cooling sensor Reference sensor of the cooling function 6 5 3 5 Periods Cooling activity times Set the desired periods of time when the cooling should be active 3 periods ca...

Page 31: ... function controls an external coolig unit to cool down the collector If this temperature is exceeded at the reference sensor the relay is switched on 6 5 5 2 Max temperature Tmax coll When the temperature falls below Tmax coll Hys min the relay is switched off 6 5 5 3 Switch off difference Hys min To protect the cooling unit itself from damage the relay is switched off as soon as the temperature ...

Page 32: ... provide complete protection against Legionella because the controller is dependent on sufficient energy being fed in and it is not possible to monitor the tempera tures in the entire range of the storage tanks and the connected piping system To provide complete protection against Legionella bacteria it must be ensured that the temperature is raised to the necessary temperature and at the same tim...

Page 33: ...difference drops to ΔT Heat Transfer Off the relay is switched off again Setpointtemperature of the target storage When this temperature is detected in the target storage heat transfer is switched off 6 5 7 4 Setpoint Př tep Tnast This menu determines the sensor placed in the source storage 6 5 7 5 HT Source sensor This determines the sensor placed in the storage that is receiving energy from the ...

Page 34: ...nsor for Difference function This determines the sensor for the heat source 6 5 8 2 Diff Tmin Minimum temperature at source sensor to enable the difference relay When the temperature at the source sensor is below this level the difference function is disabled 6 5 8 6 DF Drain sensor 6 5 8 4 DF Tmax Drain sensor Target sensor for difference function This determines the sensor for the target storage...

Page 35: ...ximum temperature in the storage If this is exceeded the relay is switched off This determines the sensor used as boiler sensor 6 5 9 5 Boiler sensor This determines the sensor that is used as storage sensor 6 5 9 6 Storage sensor 6 5 10 Error message The relay is switched on when one or more protective functions are active This function can be inverted so that the relay is always on and switches ...

Page 36: ...mperature in night mode If this temperature is exceeded at the room temperature sensor at the set times the relay is switched off 6 5 14 4 Room sensor This menu determines the sensor for the room temperature 6 5 14 5 Periods 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 th...

Page 37: ...e is a calculated approximation for function control of the system This determines the sensor that is used to measure the flow temperature This determines the sensor that is used to measure the return temperature Set the type of antifreeze used If none is used please set to 0 The amount of antifreeze agent in the system Flow rate that is used to calculate the heat quantity This determines the flow...

Page 38: ...d out If the temperature at the collector sen sor increases by the value specified under Increase within one minute then the solar pump is switched on for the set Purging time so that the medium to be measured can be moved to the collector sensor If this still does not result in a normal switch on condition then the start help function is subject to a 5 minute lockout time This function should onl...

Page 39: ...e or deactivate the ethernet function 6 15 2 1 Ethernet 6 15 2 4 IP Address 6 15 2 5 Subnet 6 15 2 6 Gateway 6 15 2 2 MAC Adress 6 15 2 7 DNS Server 6 15 2 3 Auto Configuration DHCP In this menu the settings of the ethernet connection of the datalogger can be set Displays the individual MAC address of the datalogger In this menu the IP of the gateway for the datalogger can be set In this menu the ...

Page 40: ... 2 Statistics 3 Operating modes 6 11 Time and 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 7 Menu lock Menu 7 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 Menu lock ...

Page 41: ...lues 8 Service values Enter the values at the time when the error occured e g in the table Caution 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 12 8 42 8 13 8 43 8 14 8 44 8 15 8 45 8 16 8 46 8 17 8 47 8 18 8 48 8 19 8 49 8 20 8 50 8 21 8 51 8 22 8 52 8 23 8 53 8 24 8 54 8 25 8 55 8 26 8 56 8 27 8 57 8 28 8 58 8 29 8 59 8 30 8 60 ...

Page 42: ...42 9 Language Menu 9 Language can be used to select the language for the menu guidance This is queried automatically during initial commis sioning Language ...

Page 43: ...that either the sensor the sensor input at the controller or the connecting cable is was defective Resistance table see Chap B 2 Collector alarm Means that the collector temperature has exceeded the temperature set under menu 5 6 Restart Means that the controller was restarted for example due to a power failure Check the date time Time Date This message appears automatically after a mains failure ...

Page 44: ...mp and replace it Then first re commission the contro ller and check the function of the switch outputs in manual mode as described in Chap 3 2 Fuse Malfunctions additional info Z 2 Replacing the fuse Z 2 1 Danger Danger 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 Check for the ab...

Page 45: ... alist and have the settings optimised if necessary Performing maintenance Assess check plausibility of analyses see Chap 6 11 Assess check plausibility of analyses see Chap 2 Check the error log 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 optimise the parameter settings Caution ...

Page 46: ... 2 2 3 1 The controllers are connected in series with the CAN bus cable 1 2 The first and last controller data logger in this connection series must be fitted with a terminating resistor 2 The wiring of the two CAN sockets is optional 3 Optionally the data logger 3 can be integrated in a CAN bus The available CAN functions are subject to the controller type as well as the software version used and...

Page 47: ...e va lues down see 8 at the time that the suspected malfunction occurs Send the service value table by fax or e mail with a brief description of the error to a specialist In the hydraulic variant with pool the charging of the pool e g for winter operation can be switched off using a simple function To do this simply press and hold the esc key down for several seconds on the diagram overview screen...

Page 48: ...04 2017 REGULUS spol s r o Do Koutů 1897 3 http www regulus eu 143 00 Praha 4 E mail sales regulus eu ...

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