Data sheets
Contents
1. Example applications TRF T gt Weather dependent supply temperature control with precontrolling of the boiler temperature and the domestic hot water control 6 7 7 1 SAUTER Right of amendment reserved 2015 Fr Sauter AG Product data sheet Weather dependent boiler temperature control Connection diagram EQJW 135 T Te x L 230 V N S TRF SN Weather dependent PI control of the supply temperature with precontrolling of the boiler temperature Dimension drawing 146 92 8 8 g 1818 2g sal 2 z sje e Zz Zz Zz 2 X 27 28 27 28 27 28 27 28 3 4 0 4 0 1 3 2 EGS 52 15 EGT 333 61 138 x 92 DIN 43700 SAUTER Right of amendment reserved 2015 Fr Sauter AG EGS 52 15 EGT 333 7 1 Modem 19 18 BUS A10381b 44 430 Fr Sauter AG Im Surinam 55 CH 4016 Basel Tel 41 61 695 55 55 www sauter controls com TIT2. Maximum change in TF based on room temperature connection 30 K Frost protection facility The frost protection facility is activated if the operating mode of a control loop is in the OFF mode and the frost protection facility has been enabled on the SERVice level Additionally the temper ature must be below the anti frost limit The anti frost limit is 3 C for the outside temperature The frost protection facility is disabled when the outside temperature is above 4 C When the frost protection facility is activated a supply temperature of 10 C is regulated for the heating cir cuits If the domestic hot water temperature is lt 5 C an increase to 10 C is performed Anti jamming function for pump The anti jamming function for the pump is enabled on the SERVice level Every day at midnight a pump is activated for 60 seconds if it has not been operated for the previous 24 hours This function is active in all operating modes apart from the manual mode Multifunctional relay output One of the output relays terminal 8 can be parameterised for a wide range of functions This means the output can be used as a pilot clock output as a collective alarm for controlling a 2nd burner level a boiler circuit pump a heating pump for a 2nd heating circuit or for the forced op eration of the heating pump of heating circuit 1 AIT 7 1 SAUTER Right of amendment reserved 2015 Fr Sauter AG Product data sheet
3. Motorised valve actuator see product data sheet AVM Motorised valve actuator see product data sheet AXM Motorised valve actuator see product data sheet EGS 52 15 Room operating unit see product data sheet EGT External temperature sensor Ni1000 see product data sheet Modem Modems tested with the EQJW are available on request 7001059001 User manual German 7001059002 User manual French 7001059003 User manual English 1 Start up current max 7 A 1 s 2 Low voltage not admissible 3 Start up current max 7 A 1 s low voltage not admissible 7 1 SAUTER Right of amendment reserved 2015 Fr Sauter AG Product data sheet 44 430 General description of operation The EQJW 135 heating controller performs weather dependent supplier temperature control and de pending on the application also domestic hot water control and boiler temperature control Various control models are stored in the EQJW 135 for the different applications The temperatures outside and supply temperatures and depending on the application the boiler re turn domestic hot water and room temperatures are determined with precision sensors and digital ised in the controller The microprocessor in the controller uses these values to calculate the signals for the outputs Using the stored control model the calculation of the output signals is based on the specified setpoints a
4. 44 430 Limitation of the supply tempera ture The maximum and minimum setpoints for the supply temperature are limited If a setpoint is cal culated for the supply temperature that is outside these limits the limit temperature is regulated The limit value is set on the SERVice level In manual mode the supply temperature control is not active and therefore the limitation of the supply temperature does not apply When the frost protection facility is active the limitation of the supply temperature is disabled Limitation of Tw The maximum setpoint for Ty can be limited on the SERVice level Anti legionellae function The weekly switching programme can be used to increase Tw at regular intervals If a higher Tw is required over a longer period independently of the switching programme a separate switch is available for this Limitation of the boiler tempera ture The maximum and minimum setpoints for the boiler temperature can be limited Various condi tions can be selected under which the minimum limitation is valid A base temperature can be parameterised for the boiler Controlling the 2nd burner level One of the outputs of the EQJW 135 terminal 8 can be used to activate a 2nd burner level The conditions under which the 2nd burner level is activated such as outside temperature tempera ture difference delay time are parameterised on the SERVice level Boiler start up relief If the boiler te
5. Product data sheet EQJW 135 Heating controller for boiler control systems equitherm How energy efficiency is improved Weather dependent control of the boiler temperature and integrated automatic cut off for the heating to save energy Features Weather dependent boiler and or supply temperature control and drinking water circuit in buildings of all kinds Convenient to use with modern operating concept turn and press and large LCD Communication via Modbus RTU or proprietary device bus Convenient weekly and calendar switching programmes with optimisation of switching times Automatic summertime wintertime changeover e Limitation of boiler temperature and function for boiler start up relief e Min max limitation of supply temperature and maintenance of return temperature e Frost protection facility and anti jamming function for valve Screed curing floor drying functions Function for protecting against legionellae Connection of room temperature via room temperature sensor or room operating unit e Ni1000 inputs for the outside supply boiler DHW return and room temperatures or for room oper ating unit Relay output for activating control units and pumps and for enabling burner levels additional multi functional relay output Manual mode Logbook e Notification by text message e Electrical connection in baseplate Technical data Power supply Power supply 230 V 15 50 60 H
6. V cos gt 0 5 Actuator relay 2 x 0 5 A 250 V cos gt 0 5 Relay to enable burner 0 5 A 250 V cos gt 0 5 Configurable relay 1 x 2 A 250 V cos gt 0 5 Accuracy lt 1 s d Back up power supply Min 24 h typically 48 h Weekly switching programme Number of programmes 3 Number of switching commands 48 each Min switching interval 10 min Calendar switching programme Number of programmes 1 for heating circuits Number of switching commands 20 each Min switching interval 1d Interfaces and communication Interface RS 485 device interface similar to RS 232 Protocol Modbus device bus TAP Construction Weight 0 4 kg Dimensions 144 x 96 mm Housing Pure white RAL 9010 Housing material Fire retardant thermoplastic Fitting Wall panel top hat rail Standards and directives Screw terminals For wire of up to 2 5 mm Type of protection when fitted in pan els IP 40 EN 60529 Protection class Il IEC 60730 1 Energy class VII 3 5 acc EU 811 2013 2010 30 EU 2009 125 EG Software class A EN 60730 CE conformity according to Overview of types Type Properties EMC directive 2004 108 EC EN 61000 6 1 EN 61000 6 2 EN 61000 6 3 EN 61000 6 4 Low voltage directive 2006 95 EC EQJW135F001 Heating controller for boiler control EN 60730 1 Accessories Type Description AVF
7. ing the heating controller a The current operating mode for the heating circuit is OFF b Summertime wintertime heating limit OFF c Ta 2 Trs when Ta lt Trs 1 K the controller switches on again Floor drying function Section 4 of EN 1264 describes how cement screeds must be treated with operational heating before putting down floor coverings Initially a supply temperature of 25 C must be maintained for 3 days After this the maximum supply temperature must be maintained for a further 4 days This function has been implemented in the EQJW 135 The function is called up on the SERVice level An additional function is also available for screed curing Switching pro grammes 3 weekly switching programmes with a maximum of 48 switching commands each and a calen dar switching programme with a maximum of 20 switching commands are available The mini mum switching interval is 10 minutes or 1 day An operating mode from the weekly and calendar switching programmes with lower energy consumption has priority The calendar switching pro gramme is enabled on the SERVice level In the factory setting the calendar switching pro gramme is not enabled The commands of the calendar switching programme are kept Multiplication of TA The outside temperature is determined by an EQJW 135 and passed to the other controllers via the device bus as a measured value The parameterisation for this is performed on the communi ca
8. long with the current actual values Additionally the current control offset the set control parameters and the operating mode are considered These signals are processed further via switching amplifiers The results are the ON OFF commands of the relay outputs for the control unit the pumps and the burner The room is supplied with the heat required to keep the room temperature constantly at the current setpoint If a room temperature sensor is connected to the EQJW 135 and parameterised the current room temperature is considered in the calculation of the setpoint for the supply temperature For the domestic hot water preparation the charge pump is activated based on the measured domestic hot water temperature The output relay for enabling the burner is activated based on the heat require ment and the current boiler temperature The switching programmes which the user can adapt individually provide an optimal comfort level at the lowest energy consumption The temperature setpoint for the room and the domestic hot water can be adjusted The operating mode can be selected easily using the rotary switch These can be used for example to switch off the heating or the domestic hot water for a longer period The frost protection facility prevents the system from freezing The temporary temperature change function can be used to activate the party function or switch easily to another operating mode for a specific period thus saving energy The c
9. lue Taged Damped outside temperature max Maximum TFsmax Maximum supply setpoint min Minimum TRsmin Minimum room setpoint SAUTER Right of amendment reserved 2015 Fr Sauter AG 7 1 3 7 Product data sheet 44 430 Additional technical data Measuring accuracy Better 0 3 K at 25 C Time constant for processing of Approx 10 s for Ta measured values lt 5 s for TR and TF Neutral zone for supply tempera 0 5 K ture Minimum pulse duration for control 250 ms unit Follow on time for heating pump 2 x Ty Follow on time for LP Can be set on the SERVice level Heating characteristic Curved without influence of extraneous heat Damping of outside temperature Time constant approx 21 hours can be de activated on the SERVice level Summertime wintertime heating ON means summer winter limit OFF means winter summer ON for Tagea lt Tsyw 1 K OFF for Tagea gt Tsw Whereby Ta can also be used for Taged Tsw can be set using the SERVice parameters Back up power supply The back up power supply is typically 48 min 24 hours The EQJW 135 must be supplied with mains power for at least 4 hours Input for temperature sensor Ni1000 Zero point correction for room tem Up to 6 K possible perature Zero point correction for outside Up to 9 K possible temperature Zero point correction for return Up to 10 K possible temperature Digital input If the voltage between
10. mperature gets too low the boiler start up relief is triggered In the process the charge is switched off until the boiler temperature is high enough again The function is de acti vated on the SERVice level Maintenance of return tempera ture The minimum actual value of TRF can be monitored If the actual value of Tpf falls below the limit the setpoint for Tf is reduced The limit value for the actual value of TRF and the influence on the setpoint for Tr is parameterised on the SERVice level Optimising the switching times The optimising ensures that the heating is switched on and off at the optimal times in automatic mode when the system changes between reduced mode or back up mode and normal mode The times are selected to ensure that the room temperature setpoint is reached at the time specified in the switching programme At the same time energy is saved by switching the heat ing on as late as possible and turning it off as early as possible Manual mode In manual mode the relays can be activated separately for the different outputs The settings are performed in a menu if manual mode has been enabled The manual mode is enabled on the SERVice level In the factory setting manual mode is not enabled Automatic cut off The heating controller uses its automatic cut off to save energy wherever possible without any loss of comfort The following options are available for switching off the heating circuit us
11. terminal 22 and terminal 21 DGND is less than 1 5 V the contact is interpreted as closed If the voltage is greater than 2 5 V the contact is interpreted as open The current across the contacts is approx 1 mA and the no load voltage approx 12 V Outputs Relay with indication of switching status Switching frequency mechanical gt 5 million switching cycles Maximum closing time control unit Twice the running time of the valve The control unit is reactivated every 15 mi nutes Temporary temperature change Changes to the setpoint for the room temperature in automatic mode Change until next switching command however minimum 2 hours or from 3 hours to 19 days possible Indication of the remaining time in the display Termination of changes possible Portion of extraneous heat A continuous occurrence of extraneous heat e g caused by heat loss from machines can be considered in the heating control Design temperature If the EQJW 135 is in automatic mode and T4 is lower than the set design tem perature the heating is controlled in normal mode independently of the switch ing programme The design temperature is parameterised on the SERVice lev el Special functions Room tempera ture connection The room temperature connection is activated on the SERVice level A room temperature sensor is a prerequisite The influence of the room temperature connection can be adjusted on the SERVice level
12. tion level Logbook A logbook is available Events that occur e g a control offset that is too big or incorrect meas ured values are logged Modbus com You can communicate with the EQJW 135 via an RS 485 interface using the Modbus RTU proto munication col Data can be exchanged In the process the EQJW 135 is always used as a slave Notification via SMS A modem is used to send alarm texts as SMS to a mobile phone via a provider An interface simi lar to the RS 232 is used for this The TAP protocol Telocator Alphanumeric Protocol is used here Disposal When disposing of the product observe the currently applicable local laws More information on materials can be found in the Declaration on materials and the environment for this product SAUTER Right of amendment reserved 2015 Fr Sauter AG 7 1 5 7 Product data sheet 44 430 Characteristics Heating characteristics for foot point TI 20 C Slope 2 5 3 0 3 5 4 0 2 0 100 C 1 8 90 1 6 80 1 4 1 2 70 g 5 o 1 0 60 8 amp v 0 8 50 E 0 6 t 40 0 4 t 30 oC VN 5 20 15 10 5 0 5 10 15 C 5 Outside temp AO Characteristic for supply and boiler temperatures C Flow temperature Boiler temperature 80 Base temperature Setpoint min min ay 20 Base point 20 10 0 10 20 C Outside temperature 1 C
13. urrent operating sta tus of the system is indicated in the LCD display where the user can see it very easily at all times A Modbus interface is used to communicate with the controller It is also possible to connect multiple controllers with each other and connect a room remote control unit with a digital user interface A sep arate modem sends alarms via SMS if required Intended use This product is only suitable for the purpose intended by the manufacturer as described in the De scription of operation section All related product regulations must also be adhered to Changing or converting the product is not ad missible Engineering note The equitherm EQJW 135 controller must be connected to the mains power supply all year round Abbreviations Ta Outside temperature T Initial point foot point TF Supply temperature Tr Room temperature TRF Return temperature Tg Boiler temperature Tw Domestic hot water temperature Xp Proportional band Th Integral action time SP SERVice parameters Ty Running time of valve V Valve UP Heating pump LP Charge pump for domestic hot water Tsw Heating limit S Slope of heating characteristic KW Cold water BW Domestic hot water Symbol Factory setting 3 Normal mode nominal mode based on EN 12098 G Reduced mode Off or back up mode with without frost protection facility Indexes Example Xs Setpoint TRs Room temperature setpoint Xi Actual value TFi Actual value of the supply temperature Xged Damped va
14. z 44 430 2P Pl Power consumption Approx 1 VA Parameters Control characteristic Boiler temperature 2 point Supply temperature PI control Domestic hot water temperature 2 point Control parameters Proportional band 2 100 K Integral action time 15 1000 s Switching difference boiler 1 9K Switching difference domestic hot 1 19 K water Frost protection temperature 3 C Temperature ranges Normal temperature 0 40 C Reduced temperature 0 40 C Supply temperature 0 130 C Return temperature 0 130 C Boiler temperature 0 130 C Outside temperature 50 50 C Domestic hot water temperature 20 90 C Running time of valve 30 300 s Ambient conditions Inputs Outputs Cycle time Running time of the valve 15 Admissible ambient temperature 0 50 C Admissible humidity 5 95 rh no condensation Storage and transport temperature 25 65 C Number of inputs 1 digital 6 analogue SAUTER Right of amendment reserved 2015 Fr Sauter AG 7 1 s Pl 2P 1 7 Product data sheet 2 7 Function Digital timer for weekly calendar switching programme Digital inputs 44 430 Switching current approx 1 mA Analogue inputs 5 Ni1000 1 Ni1000 room operating unit Number of outputs 6 relays Pump relay 3 x 2A 250
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