Sauter Equitherm EQJW245 Bedienungsanleitung

www.sauter-controls.com

SAUTER equitherm®

EQJW245

Electronic heating controller

Operating manual

7010042003 A

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Content

Symbols used in this manual 7

Abbreviations 9

1 General information 11

1.1 Introduction 11

1.2 Safety information 11

2 Description of the operating controls 13

2.1 Front view of the EQJW245 13

2.2 Top Rotary switches (heating 1) 13

2.3 Middle rotary switch (heating 2) 14

2.4 Bottom rotary switch (domestic water) 14

2.5 Input knob 15

2.6 ESC key 15

2.7 Display 15

3 Commissioning 17

3.1 Operating the device for the ﬁrst time 17

3.1.1 Setting the time 17

3.1.2 Setting the date 18

3.2 Commissioning level 19

3.2.1 Access to commissioning level 19

3.2.2 View SERVice parameters 20

3.2.3 Change SERVice parameters 21

3.2.4 List of SERVice parameters 21

3.3 SERVice level 22

3.3.1 Access to SERVice level 22

3.3.2 View SERVice parameters 23

3.3.3 Change SERVice parameters 24

3.3.4 List of SERVice parameters 24

3.3.5 Explanations for individual SERVice parameters 28

3.4 Communication level 46

3.4.1 Access to communication level 46

3.4.2 Viewing the communication parameters 47

3.4.3 Changing communication parameters 47

3.4.4 List of communication parameters 48

3.4.5 Explanations of individual communication parameters 49

4 Operation 55

4.1 Operating modes 55

4.1.1 Displays when automatic mode is set 56

4.1.2 Displays when back-up mode, reduced mode and normal mode are

set 58

4.2 Entering the setpoint temperature in normal mode 59

4.3 Enter setpoint temperature in reduced mode 60

4.4 Weekly switching programme for heating 61

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Content

4.4.1 Calling up the weekly switching programme 62

4.4.2 View switching commands 62

4.4.3 Enter a switching command 62

4.4.4 Changing and deleting a switching command 63

4.5 Calendar switching programme 64

4.5.1 Calling up the calendar switching programme 64

4.5.2 View switching commands 65

4.5.3 Enter a switching command 65

4.5.4 Changing and deleting a switching command 65

4.6 Temporary temperature change for the ﬁrst heating circuit 66

4.7 Inputs for second heating circuit 67

4.8 Entering domestic water temperatures 68

4.8.1 Notes on the boosted domestic water temperature 69

4.9 Weekly switching programme for domestic water 69

4.9.1 Calling up the weekly switching programme 70

4.9.2 View switching commands 70

4.9.3 Enter a switching command 70

4.9.4 Changing and deleting a switching command 71

4.10 Weekly switching programme for pilot timer/circulating pump 71

4.11 Calling up the weekly switching programme 72

4.11.1 View switching command 72

4.11.2 Enter switching command 72

4.11.3 Change/delete switching command 73

4.12 Once-only tank charge 73

5 Manual mode 75

5.1 Access to manual mode (heating) 75

5.2 Access to manual mode (heating circuit II) 75

5.3 Access to manual mode (domestic water, conﬁgurable output and

second ﬁnal control element) 75

5.4 Set valve position 76

5.5 Set status of other outputs (pumps, conﬁgurable output) for manual

mode 76

5.6 Exit manual mode 76

5.7 Check measured values in manual mode 76

6 Communication functions 79

6.1 Bus wiring 79

6.2 Device bus 79

6.2.1 Assigning addresses 79

6.2.2 Room operating unit EDB 100 79

6.2.3 Sending and receiving outdoor temperatures 80

6.2.4 Requesting and processing a heat requirement 80

6.2.5 Requesting and processing a return temperature 80

6.2.6 Synchronising the time 80

6.3 Modbus communication 81

6.3.1 Modbus data points (holding register) 82

6.3.2 Modbus data points (coils) 85

6.4 Modem operation 86

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Content

6.4.1 Connection with the modem 86

6.4.2 Modbus operation via modem 86

6.4.3 Sending SMS if there is a fault on the installation 86

6.4.4 Displays for modem operation 87

6.5 Communication with device in as-delivered condition 87

7 Faults 89

7.1 Displaying faults 89

7.1.1 Error list 89

7.1.2 Device status 89

7.2 Logbook 90

7.3 Reset functions 91

7.4 Actions to deal with faulty temperature value measurements 91

8 Using the controller 93

8.1 General information 93

8.2 Examples of use 93

8.2.1 Control model 1 94

8.2.2 Control model 2 95

8.2.3 Control model 3 96

8.2.4 Control model 4 97

8.2.5 Control model 5 98

8.2.6 Control model 6 99

8.2.7 Control model 7 100

8.2.8 Control model 8 101

9 Economy tips 103

10 Resistance values for the Ni1000 sensors 105

11 Accessories 107

12 Wiring diagram 109

13 Dimension drawing 111

14 Technical data 113

14.1 Overview of technical data 113

14.2 Overview of main functions 114

15 Overview of controller settings 117

15.1 List of SERVice parameters 117

15.2 List of communication parameters 118

15.3 Weekly switching programme: heating 1 118

15.4 Weekly switching programme: heating 2 119

15.5 Calendar switching programme: heating 1 and heating 2 119

15.6 Weekly switching programme: domestic water 120

15.7 Weekly switching programme: pilot timer/circulating pump 120

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Content

Table of ﬁgures 121

List of tables 123

Index 125

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Symbols used in this manual

Information

Information concerning the use of the product.

Factory setting of the EQJW245

(e.g. manufacturer‘s speciﬁed control values, switching times, etc.)

Warnings

The operating instructions explain the various functions of the device, step by

step, using the following symbols:

‚PROG‘ is shown on the display, ﬂashing

‚09:00‘ is shown on the display, not ﬂashing

Press key ...

NOTICE

09:00

PROG

....

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Abbreviations

Abbreviations Term

BW domestic water

CO communication

HK heating circuit

Imp pulse

KW cold water

MOD control model

SE SERVice

SP SERVice parameter

TAoutdoor temperature

TFﬂow temperaturev

TFi actual value for ﬂow temperature

TFS setpoint for ﬂow temperature

TFsmax maximum limitation for setpoint of TF

TFsmin minimum limitation for setpoint of TF

TRroom temperature

TRF return temperature

TRi actual value of room temperature

TRmax maximum limitation of adjusting range for TRS

TRmin minimum limitation of adjusting range for TRS

TRS setpoint for room temperature

TS/W heating limit

TWdomestic water temperature

TYvalve running time

UPheating pump

Xiactual value

XPproportional band

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EQJW245

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