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EQJW 125: Heating controller

Manual mode

7001029003 A

© Fr. Sauter Ltd.

41

5.4

Ending manual mode

Manual mode is ended as soon as you turn the rotary switch to another
position.

5.5

Checking measured values in manual mode

1.

Turn the input knob until the 'INFO' menu

option appears on the display.

2.

Push the input knob.

3.

Select the 'INFO' menu option.

4.

Turn the input knob; the individual values are

shown. The display loop is the same as for the
'automatic mode' switch position.

5.

Push the 'ESC' button.

6.

Exit from the 'INFO' menu option.

...

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Summary of Contents for Equitherm EQJW 125

Page 1: ......

Page 2: ...EQJW 125 Heating controller User s Manual 7001029003 A R ...

Page 3: ...2 7001029003 A Fr Sauter AG 7001029003 A Printed in Switzerland Subject to changes Fr Sauter AG Im Surinam 55 CH 4016 Basel www sauter controls com ...

Page 4: ...iewing SERVice parameters 16 3 2 3 Changing SERVice parameters 17 3 2 4 List of SERVice parameters 17 3 2 5 Explanations of SERVice parameters 20 3 3 Communication mode 25 3 3 1 Access to communication mode 25 3 3 2 Viewing the communication parameters 26 3 3 3 Changing communication parameters 26 3 3 4 List of communication parameters 27 3 3 5 Explanations of communication parameters 28 4 Operati...

Page 5: ...ode 41 5 5 Checking measured values in manual mode 41 6 Communication functions 42 6 1 Bus wiring 42 6 2 Device bus 42 6 2 1 Assigning addresses 42 6 2 2 EDB 100 room operating unit 43 6 2 3 Sending and receiving outdoor temperatures 43 6 2 4 Requesting and processing a heat requirement 43 6 2 5 Synchronising the time 43 6 3 Modbus communication 43 6 3 1 Modbus data points holding register 45 6 3 ...

Page 6: ...cessories 60 12 Wiring diagram 60 13 Dimension drawing 60 14 Technical data 62 14 1 Overview of technical data 62 14 2 Overview of main functions 64 15 Overview of controller settings 66 15 1 List of SERVice parameters 66 15 2 List of communication parameters 67 15 3 Weekly switching programme 68 15 4 Calendar switching programme 68 List of figures 69 List of tables 70 Abbreviations 71 Index 72 ...

Page 7: ...EQJW 125 Heating controller Table of contents 6 7001029003 A Fr Sauter AG ...

Page 8: ... of the product Warnings Factory settings of the EQJW 125 e g control values switching times etc specified by the manufacturer The operating instructions give a step by step explanation of the individual functions of the device with the help of the following symbols PROG is shown on the display flashing 09 00 is shown on the display not flashing Press key ...

Page 9: ...EQJW 125 Heating controller Symbols used in this manual 8 7001029003 A Fr Sauter AG ...

Page 10: ...ect the time twice a year The equitherm EQJW 125 contains various protective functions such as the anti frost function and the anti jamming function for the pump Additional functions such as the automatic switch off have been implemented This ensures optimum convenience with the minimum use of energy for every plant Analogue or digital room remote control units can be connected to the EQJW 125 ena...

Page 11: ...EQJW 125 Heating controller General information 10 7001029003 A Fr Sauter AG ...

Page 12: ...03 A Fr Sauter Ltd 11 2 Description of the controls 2 1 Front view of the EQJW 125 EQJW125 2 3 4 C 50 C 1 Fig 1 Front view of the EQJW 125 Rotary switch Display ESC button Input knob The device has a rotary switch with 10 positions an input knob and a button 1 2 3 4 ...

Page 13: ... EQJW 125 Normal mode corresponds to nominal mode as per EN 12098 1 Back up mode means that the heating is switched off and the anti frost function is active 2 3 Input knob With the help of the input knob you can scroll through menus or select and change values Unless explicitly stated otherwise you can scroll through menus or change values in the form of a circular structure There is no limit sto...

Page 14: ...m flashing un limited temp change Controller is operating in normal mode Controller is operating in reduced mode Controller is operating in back up mode flashing anti frost function is active An error has occurred faulty sensor Heating medium pump is switched on Final control element is open or closed Display of setpoint temperature flashing display of actual temperature Display of flow temperatur...

Page 15: ...EQJW 125 Heating controller Description of the controls 14 7001029003 A Fr Sauter AG ...

Page 16: ...et the rotary switch to automatic mode the time is shown 2 Press the input knob the time flashes 3 Turn the input knob the time is set 4 Press the input knob again the new time is confirmed 3 1 2 Setting the date 1 Set the rotary switch to automatic mode the time is shown 2 Turn the input knob until the date is shown day month and year are shown alternately 3 Press the input knob the number of the...

Page 17: ...es to people and damage to the plant SERVice mode must only be enabled by a specialist Some of the parameters cannot be changed they can only be viewed version number status information 3 2 1 Accessing SERVice mode 1 Set the rotary switch to the Service position 2 Push the input knob 3 Turn the input knob display the code 4 Push the input knob the first SERVice parameter is shown 3 2 2 Viewing SER...

Page 18: ...4 List of SERVice parameters Parameter Description Range Step value SP01 Software version Y XX read only SP02 Device status error coding read only 0 1031 1 SP04 0 Software reset 0 no reset 1 default SE CO parameters 2 default switching commands 3 default SE CO parameters switching commands 0 3 1 SP05 0 Manual mode 0 manual mode not enabled 1 manual mode enabled 0 1 1 SP06 3 Output signal control m...

Page 19: ...15 5 Minimum limit for flow temperature in C 5 100 1K SP16 75 Maximum limit for flow temperature in C 20 C 130 1K SP17 1 4 Slope of heating curve 0 0 5 0 0 1 SP18 15 Heating limit C 0 39 1 SP19 16 Design temperature C 50 0 1 SP20 1 Anti frost function 0 not enabled 1 enabled 0 1 1 SP21 0 Anti jamming function for the pump 0 1 0 not enabled 1 enabled 1 SP22 0 Calendar programme 0 1 0 not enabled 1 ...

Page 20: ...EQJW 125 Heating controller Commissioning 7001029003 A Fr Sauter Ltd 19 ...

Page 21: ...arameter is 0 manual mode is disabled Output signal control model This parameter is used to select the control signal for the final control element You can choose between a signal for 3 point control and a PWM output Pulse Pause with a fixed period of 64 seconds If the PWM signal is used the signal is available on terminal 4 When the PWM output is used the functions for limitation of the flow temp...

Page 22: ...s with responsive heating systems This period should not be too short otherwise the control system may hunt The algorithm prevents hunting by changing the flow setpoint more quickly at a rate of 2 K within a scanning period when the deviation of the room temperature is diminishing than when it is increasing at a rate of 1 K within a scanning period If the deviation of the room temperature is less ...

Page 23: ...cteristic in the controller determines the setpoint for the flow temperature in relation to a given outdoor temperature 2 0 1 8 1 6 1 4 1 2 1 0 0 8 0 6 0 4 2 5 3 0 3 5 4 0 20 15 10 5 0 5 10 15 C 100 90 80 70 60 50 40 30 10 5 5 C TI C SP17 Slope Outdoor temperature Flow temperature Fig 3 Guideline for the slope of the heating characteristic 1 4 for hot water radiator heaters 1 0 for low temperature...

Page 24: ...pump was operated in the last 24 hours If not it is operated for one minute to prevent jamming Calendar switching programme This SERVice parameter is used to either enable or disable the calendar switching programme Only when the calendar switching programme is enabled can calendar switching commands be entered If the parameter has a value of 1 the calendar switching programme is enabled if it has...

Page 25: ...rdance with the chosen settings Both functions are called up using SERVice parameter SP60 1 To perform floor drying in accordance with EN1264 Part 4 the value 7d should be assigned to the parameter 2 To perform screed curing a value of 25 C should be assigned to the parameter The EQJW 125 should be adapted to the installation before the floor drying function is activated In particular SERVice para...

Page 26: ...can be aborted by setting parameter SP60 to 0 In the event of a power failure the floor drying function is interrupted When power is restored the drying procedure automatically re starts from the beginning 3 3 Communication mode In communication mode a specialist can enable and configure the communication functions of the EQJW 125 Incorrect parameterisation setting of the heating controller It can...

Page 27: ...e value unchanged push ESC to exit from the display 3 3 3 Changing communication parameters 1 Turn the input knob 2 Select the communications parameter you want 3 Push the input knob The value of the parameter is shown 4 Turn the input knob The value of the parameter is changed 5 Push the input knob The new value is confirmed Push the ESC button to cancel the procedure The value will not be accept...

Page 28: ...on 1 CP07 SMS via modem telephone number of the provider TAP protocol 1 CP08 SMS via modem telephone number of the mobile phone 1 CP09 1 Device bus time synchronisation 0 not enabled 1 enabled 0 1 1 CP10 0 Device bus send outdoor temperature 0 not enabled 1 enabled 0 1 1 CP11 0 Device bus receive outdoor temperature 0 not enabled 1 enabled 0 1 1 CP12 0 Device bus send heat requirement TF 0 not ena...

Page 29: ...modem select language for error message 0 German 1 French 2 English 3 Italian 4 Spanish 0 4 1 CP23 0 MOD bus via modem disable dialling control station in case of fault 0 not enabled 1 enabled 0 1 1 CP24 0 MOD bus via RS485 or MOD bus via modem control station commands expire after control station is inactive for 30 minutes 0 not enabled 1 enabled 0 1 1 Tab 2 Communication parameters 3 3 5 Explana...

Page 30: ...he provider The telephone number for the provider s SMS forwarding service must be entered here including the dialling code or for example a 0 for extension systems Short pauses between the digits can be entered with P 1 second and the end of the number is identified by The phone number can comprise a maximum of 22 digits including pauses When selecting the provider make sure that TAP Telocator Al...

Page 31: ...perating unit is used the actual value for the room temperature is evaluated by the EDB 100 The measured values of other room operating units or room sensors see SP07 are ignored Device bus address of EDB 100 room operating unit The address of the EDB 100 room operating unit assigned to the controller should be set at CP16 SMS or Modbus via modem automatic configuration If the type of communicatio...

Page 32: ...o take place if the fault has been rectified and the controller is operating without faults again SMS via modem language for error messages This parameter is used to select the language that is used to send an SMS The numbers have the following meanings 0 German 1 French 2 English 3 Italian 4 Spanish Modbus via modem disable fault dialling If CP23 is set to 1 there are no dialling attempts via mod...

Page 33: ... you to change the device settings In these positions the controller operates in automatic mode Setpoint adjustment normal mode day Setpoint adjustment reduced mode night Enter switching programme Limited temperature change Service level and communication parameters contains all the other parameters heating characteristic control parameters communication settings etc 4 1 1 Display in automatic mod...

Page 34: ...s present the current actual value for the room temperature only if a room sensor is present the flow setpoint not available in OFF mode or summer mode for example the current actual value for the flow temperature and the outdoor temperature that is currently measured 4 Turn the knob further in a clockwise direction to display the time again 4 1 2 Display when OFF mode reduced mode and normal mode...

Page 35: ...or is present the flow setpoint not available in OFF mode or summer mode for example the current actual value for the flow temperature and the outdoor temperature that is currently measured 3 Turn the knob further in a clockwise direction to display the time again 4 2 Entering the setpoint temperature in normal mode Press the ESC button once before confirming to cancel the input the old value is r...

Page 36: ...lf every week It comprises a maximum of 48 switching commands 6 for each day and another 6 for the whole week with the associated operating modes which can be entered in a10 minute grid The switching commands can be modified individually and they are captive A switching command may be valid every day 1 7 or on a specified day of the week Mon 1 Tue 2 etc If a switching command is present on a certa...

Page 37: ...for the whole week is shown 4 4 2 Viewing switching commands Turn the input knob the individual switching commands are shown An empty switching command is shown as _ _ _ _ 4 4 3 Entering a switching command 1 Turn the input knob until you reach the next empty switching command 2 Push the input knob The new switching command is shown 3 Turn the input knob The time for the switching command is chang...

Page 38: ...dar switching programme Before you can work with the calendar programme it has to be enabled in SERVice mode see Section 3 3 The calendar programme can influence automatic mode over longer periods in addition to the weekly programme The calendar switching programme specifies the dates of periods e g for holidays when the weekly switching programme is only enabled up to a defined mode A maximum of ...

Page 39: ...knob the individual switching commands are shown if any are present An empty switching command is shown as _ _ _ _ 4 5 3 Entering a switching command 1 Turn the input knob until you reach the next empty switching command 2 Push the input knob The new switching command is shown 3 Turn the input knob The date for the switching command is changed 4 Push the input knob The date for the switching comma...

Page 40: ...e rest of the procedure is as described in the Section on Entering a switching command 4 6 Temporary temperature change 1 Set the rotary switch to the party symbol 2 Turn the input knob set the duration for the temperature change h hours d days t until the next switching command minimum 2 h 3 Push the input knob The duration is confirmed 4 Turn the input knob select the mode or 5 Push the input kn...

Page 41: ...ed on The current statuses of the controller outputs pump on mixer open mixer closed are shown on the lower margin of the display as usual see Section 2 5 1 Access to manual mode Set the rotary switch to manual mode 5 2 Set valve position 1 Push the input knob 2 I e select the Open final control element option on the menu 3 Turn the input knob Value for percentage opening of the final control elem...

Page 42: ...her position 5 5 Checking measured values in manual mode 1 Turn the input knob until the INFO menu option appears on the display 2 Push the input knob 3 Select the INFO menu option 4 Turn the input knob the individual values are shown The display loop is the same as for the automatic mode switch position 5 Push the ESC button 6 Exit from the INFO menu option ...

Page 43: ...ecessary to adhere to a certain polarity A or A B 6 2 Device bus The device bus makes it possible to interconnect as many as 32 devices with little effort It is primarily used to transmit measured temperature values outdoor temperature and room temperature and commands mode change over Connecting the devices requires only two wires which are attached to the terminals regardless of polarity to term...

Page 44: ...utdoor temperature set parameter CP10 to 1 and to receive one set parameter CP11 to 1 6 2 4 Requesting and processing a heat requirement One or more controllers can be connected downstream in a controller grouping You can use parameter CP12 to send the required flow temperatures for the various downstream control circuits to the controller for the primary circuit If CP13 is set to 1 on the control...

Page 45: ...s CRC Number of coils to be read Response AA 01 01 YY CC CC Anz Adr RC Anz Dat CRC Number of following data bytes _________________________________________________________ Read Holding AA 03 XX XX 00 01 CC CC Reg Adr RH HR Nr Reg CRC Number of registers to be read Response AA 03 02 XX XX CC CC Anz Adr RH Anz Data CRC Number of following data bytes __________________________________________________...

Page 46: ...en not available with modern transmission methods modem with compression and error correction functions digital telephone network Details about the protocol extension are available on request 6 3 1 Modbus data points holding register Number of holding register Description Comment Read only Decimal points Units With math sign 40001 Product number Product number device code yes 0 no 40003 Firmware v...

Page 47: ... Error counter register no 0 no 41000 FlowSetp_Rk1 Flow setpoint no 1 C yes 41001 MaxFlow_Rk1 Maximum flow temperature no 1 C yes 41002 MinFlow_Rk1 Minimum flow temperature no 1 C yes 41003 Day_Setp_Rk1 Setpoint normal mode no 1 C yes 41004 Night_Setp_Rk1 Setpoint reduced mode no 1 C yes 41006 Slope_HeatCh_Rk1 Slope of heating characteristic no 1 no 41065 Kp_Rk1 Y1 Proportional band no 1 no 41066 ...

Page 48: ...020 42021 42022 42023 Fri 42024 42025 42026 42027 42028 42029 Sat 42030 42031 42032 42033 42034 42035 Sun 42036 42037 42038 42039 42040 42041 Whole week 42042 42043 42044 42045 42046 42047 Tab 4 Switching commands Every possible switching command has its own holding register 16 bit value which can be read or written The register has the following content Command Time Numerical value decimal 3 0 7 ...

Page 49: ...ata points coils Number of coil register Description Comments Set Coil 0 Delete Coil 1 Coil 0 means Coil 1 means 4 Collective bit Control of all functions Yes No As specified Auton 57 Bit for terminal 6 Heating medium pump see coil register 96 Yes Yes Off On 89 Bit for operating mode Switch over operating mode see holding register 40106 Yes No As specified Auton 90 Bit for final control element Co...

Page 50: ...er 96 the associated coil register 57 The other registers can be set or deleted These results in the consequences listed in the table i e a function is enabled or disabled or the heating medium pump is switched on or off All the coil registers can be set This means that the functions are controlled from the EQJW 125 numbers 57 89 90 96 116 or that the functions are activated as a basic rule nos 15...

Page 51: ...vider SMSC Short Message Service Centre which accepts SMS messages in TAP protocol The message on the display of the mobile phone will then read something like this Heating controller EQJW 125 Device status XXXX Note 0 no error 0 error has occurred The value shown for the device status corresponds to the value of SERVice parameter SP02 The error that has occurred is stored in this value in encoded...

Page 52: ...g attempts will be made on the next day Tab 6 Display for modem operation 6 5 Setting parameters using the PC The EQJW 125 can be configured and parameterised with a PC using an additional USB adaptor and the Config equitherm software To do so the adaptor should be connected to the terminals for Modbus communication on the EQJW 125 Modbus RTU CP02 2 is the type of communication that has been set e...

Page 53: ...o the list below In the first three minutes after you switch the controller on evaluation and display of faults is suppressed to wait until other parts of the plant are switched on 7 1 1 Error list Err 1 Sensor failure TF Err 2 Sensor failure TA Err 3 Sensor failure TR Err 11 Prohibited access via modem Tab 7 Error list 7 1 2 Device status The device status register contains the information about ...

Page 54: ...l with faulty temperature readings The Sensor fault symbol see chapter 2 5 appears if there is a short circuit or an interruption in sensor supply lines The following list states how the controller behaves if individual sensors fail If the outdoor sensor is faulty a flow temperature setpoint of 50 C is operated or if the maximum flow temperature set at parameter SP16 is less than 50 C the maximum ...

Page 55: ...g feature for the pump and a floor drying function A communication interface allows connections with other devices and with a Modbus control station also via modem or automatic transmission of fault messages to a mobile phone as SMS messages via modem A rotary switch allows immediate mode changes and direct access to the main settings An input knob makes it easy to change the device s settings 8 1...

Page 56: ... on the application the following settings are recommended characteristic slope SERVice parameter SP17 value 1 4 flow temperature limit SERVice parameter SP16 value 75 C characteristic slope SERVice parameter SP17 value 0 6 flow temperature limit SERVice parameter SP16 value 50 C The recommended values have been tried and tested but they are not necessarily the ideal solutions for every plant No l...

Page 57: ...4 5 Heating 78 Better insulation could save almost half of the heating energy Savings are also possible thanks to modern heating plants with intelligent control A reduction of 3 C at night with the heating controller saves about 5 to 8 of the heating energy A constant bedroom temperature of 18 C with a reduced night time temperature in the living rooms saves about 12 to 15 A constant bedroom tempe...

Page 58: ...EQJW 125 Heating controller Economy tips 7001029003 A Fr Sauter Ltd 57 ...

Page 59: ...ce value Ni1000 90 1549 80 1483 70 1417 60 1353 50 1291 40 1230 30 1171 20 1112 10 1056 0 1000 10 946 20 893 30 842 40 791 Tab 8 Resistance value Ni1000 The resistance value of the nickel measuring resistor changes in relation to the temperature The temperature coefficient is always positive i e the resistance increases as the temperature rises See the table of values DIN 43760 Within the specifie...

Page 60: ...EQJW 125 Heating controller Resistance values for the Ni1000 sensors 7001029003 A Fr Sauter Ltd 59 ...

Page 61: ...8 19 20 21 28 27 26 25 24 23 6 5 4 3 1 2 EQJW125 Ni1000 L N M MODEM BUS DATA1 DATA2 DVCC DGND B A 18 19 27 28 3 4 27 28 0 4 EGT 333 EGS 52 15 27 28 0 1 27 28 3 2 EGT 333 EGS 52 15 T F Ni1000 T A Ni1000 T R A10175a TR TR Fig 6 Wiring diagram 13 Dimension drawing M10176 146 98 61 92 138 92 138 1 0 0 5 0 138 92 DIN 43700 Fig 7 Dimension drawing ...

Page 62: ...EQJW 125 Heating controller Dimension drawing 7001029003 A Fr Sauter Ltd 61 ...

Page 63: ...formity EMC immunity EN 12098 and CE EN 61000 6 1 2 EMC irradiation EN 61000 6 3 4 Safety EN 60730 1 Weight with base approx 0 4 kg Dimensions with base W H D 146 98 41 Time switch Running capacity Accuracy Switching period for weekly programme Number of switching commands in weekly programme Switching period for calendar prog Number of switching commands in calendar programme Min 24 hours after s...

Page 64: ...Measuring accuracy better than 0 3 K à 25 C Time constant for processing measured values approx 10 sec for TA 5 sec for TR and TF Cycle time Valve running time 15 Neutral zone 1 0 K Minimum pulse duration 250 msec Pump after run time 2 Ty Heating characteristic Curved without the influence of extraneous heat see SP 17 Attenuation of outdoor temperature Time constant approx 21 hours Summer winter h...

Page 65: ...ature is controlled The limit value is set in the SERVice level In manual mode the flow temperature control is not active and there is consequently no flow temperature limitation If the frost protection function is active the flow temperature limitation is turned off In manual mode the pump and the valve can be controlled separately The adjustment is menu guided if manual mode has been enabled Man...

Page 66: ...JW 125 it can be activated via the SERVice level In addition the controller has a screed curing facility This involves gradually increasing the flow temperature starting at 25 C by 5 K per day until the maximum flow temperature is reached which is maintained for 7 days Thereafter the flow temperature is reduced gradually by 5 K per day until it has again reached 25 C These functions are called up ...

Page 67: ... must be entered in the table below Parameter change Parameter SP01 X xx SP14 120 ______ SP02 0 SP15 0 ______ SP03 SP16 75 ______ SP04 0 SP17 1 4 ______ SP05 0 ______ SP18 15 ______ SP06 3 ______ SP19 16 ______ SP07 0 ______ SP20 1 ______ SP08 0 ______ SP21 0 ______ SP09 20 ______ SP22 0 ______ SP10 0 ______ SP23 25 10 ______ SP11 0 ______ SP24 25 03 ______ SP12 40 ______ SP60 0 ______ SP13 240 __...

Page 68: ...s must be entered in the table below Parameter change Parameter CP01 X CP14 0 ______ CP02 2 CP15 0 ______ CP03 19 200 CP16 auto ______ CP04 ______ CP17 0 ______ CP05 ______ CP18 5 ______ CP06 ______ CP19 5 ______ CP07 ______ CP20 5 ______ CP08 ______ CP21 0 ______ CP09 1 ______ CP22 0 ______ CP10 0 ______ CP23 0 ______ CP11 0 ______ CP24 0 ______ CP12 0 ______ CP13 0 ______ Tab 11 List of communic...

Page 69: ..._________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ 15 4 Calendar switching programme Switching commands added for the calendar switching programme Day Month Mode ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ______...

Page 70: ...d 69 List of figures Fig 1 Front view of the EQJW 125 11 Fig 2 Rotary switch of EQJW 125 12 Fig 3 Guideline for the slope of the heating characteristic 22 Fig 4 Plant schematic 54 Fig 5 Energy consumption in the home 56 Fig 6 Wiring diagram 60 Fig 7 Dimension drawing 60 ...

Page 71: ... 2 Communication parameters 28 Tab 3 Modbus data points 46 Tab 4 Switching commands 47 Tab 5 Modbus data points 49 Tab 6 Display for modem operation 51 Tab 7 Error list 52 Tab 8 Resistance value Ni1000 58 Tab 9 Overview of technical data 63 Tab 10 List of SERVice parameters 66 Tab 11 List of communication parameters 67 ...

Page 72: ...he flow temperature TFS setpoint for the flow temperature TFsmax maximum limit for the setpoint for TF TFsmin minimum limit for the setpoint for TF TR room temperature TRi actual value for the room temperature TRmax maximum limit for the adjusting range for TRS TRmin minimum limit for the adjusting range for TRS TRS setpoint for the room temperature TS W heating limit TY valve run time XP proporti...

Page 73: ...tation 48 Correction 20 data bit 43 data format 43 Description of controls 11 Design temperature 22 Device status 19 49 51 Dialling attempt 30 Error message 30 49 Estrichtrocknung 23 Ex works setting 7 19 65 66 Faults 51 Floor heating 54 Floor drying 13 Floor drying function 64 Flow temperature 21 63 Flow temperature sensor 52 Frost protection 63 functions 63 Heat requirement 29 Heating characteri...

Page 74: ...sistance values Ni1000 57 room operating unit 29 room sensor 29 Room temperature 20 Room temperature connection 20 63 Room temperature sensor 20 safety thermostat 54 Screed curing 23 64 screening 41 sensors 57 Serial number 27 SERVice mode 16 SERVice parameters 9 slope 54 Software version 19 stop bit 43 Switching command 19 36 47 Switching programme 63 technical data 61 Temperature level 9 termina...

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