sauter Equitherm EQJW 125 User manual

EQJW 125: Heating
controller
User's Manual
7001029003 A
R

27001029003 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

EQJW 125: Heating controller
Table of contents
7001029003 A
© Fr. Sauter Ltd.
3
Table of contents
Table of contents ........................................................................................................ 3
Symbols used in this manual .................................................................................... 7
1 General information ............................................................................................ 9
1.1 Introduction................................................................................................ 9
1.2 Safety information ..................................................................................... 9
2 Description of the controls............................................................................... 11
2.1 Front view of the EQJW 125 ................................................................... 11
2.2 Rotary switch........................................................................................... 12
2.3 Input knob................................................................................................ 12
2.4 ESC button .............................................................................................. 12
2.5 Display..................................................................................................... 13
3 Commissioning.................................................................................................. 15
3.1 Operating the device for the first time ..................................................... 15
3.1.1 Setting the time ....................................................................................... 15
3.1.2 Setting the date ....................................................................................... 15
3.2 SERVice mode ........................................................................................ 16
3.2.1 Accessing SERVice mode ...................................................................... 16
3.2.2 Viewing 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 Operation............................................................................................................ 32
4.1 Operating modes..................................................................................... 32
4.1.1 Display in automatic mode ...................................................................... 32
4.1.2 Display when OFF mode, reduced mode and normal mode are set ...... 33
4.2 Entering the setpoint temperature in normal mode................................. 34
4.3 Entering the setpoint temperature in reduced mode............................... 35
4.4 Weekly switching programme ................................................................. 35
4.4.1 Calling up the weekly switching programme........................................... 36

EQJW 125: Heating controller
Table of contents
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© Fr. Sauter AG
4.4.2 Viewing switching commands ................................................................. 36
4.4.3 Entering a switching command ............................................................... 36
4.4.4 Changing and deleting a switching command ........................................ 37
4.5 Calendar switching programme .............................................................. 37
4.5.1 Calling up the calendar switching programme ........................................ 37
4.5.2 Viewing switching commands ................................................................. 38
4.5.3 Entering a switching command ............................................................... 38
4.5.4 Changing and deleting a switching command ........................................ 39
4.6 Temporary temperature change.............................................................. 39
5 Manual mode...................................................................................................... 40
5.1 Access to manual mode.......................................................................... 40
5.2 Set valve position .................................................................................... 40
5.3 Set status of pump (on/off) for manual operation.................................... 40
5.4 Ending manual mode .............................................................................. 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
6.3.2 Modbus data points (coils) ...................................................................... 48
6.4 Modem operation .................................................................................... 49
6.4.1 Modbus operation via modem................................................................. 49
6.4.2 Sending SMS if there is a fault on the plant............................................ 50
6.4.3 Displays for modem operation ................................................................ 51
6.5 Setting parameters using the PC ............................................................ 51
7 Faults .................................................................................................................. 52
7.1 Displaying faults ...................................................................................... 52
7.1.1 Error list ................................................................................................... 52
7.1.2 Device status........................................................................................... 52
7.2 Reset functions ....................................................................................... 53
7.3 Actions to deal with faulty temperature readings .................................... 53
8 Application ......................................................................................................... 54

EQJW 125: Heating controller
Table of contents
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© Fr. Sauter Ltd.
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8.1 Plant schematic ....................................................................................... 54
8.2 General information................................................................................. 55
9 Economy tips ..................................................................................................... 56
10 Resistance values for the Ni1000 sensors ..................................................... 58
11 Accessories ....................................................................................................... 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

EQJW 125: Heating controller
Table of contents
67001029003 A
© Fr. Sauter AG

EQJW 125: Heating controller
Symbols used in this manual
7001029003 A
© Fr. Sauter Ltd.
7
Symbols used in this manual
Information
Information concerning the use 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...
.... 

EQJW 125: Heating controller
Symbols used in this manual
87001029003 A
© Fr. Sauter AG

EQJW 125: Heating controller
General information
7001029003 A
© Fr. Sauter Ltd.
9
1 General information
1.1 Introduction
Thank you for purchasing a heating controller from Sauter. The equitherm
EQJW 125 is a quality product from one of the leading manufacturers of
controls products for heating, ventilation and air-conditioning.
The equithermEQJW 125 is a compact weather-compensating heating
controller with switched outputs to control the flow temperature. In automatic
mode, it uses switching commands from the weekly time-switch (weekly
switching programme) to reduce the room temperature during the night
(reduced mode) and switches to the normal temperature during the day. It is
suitable for all types of building. A fixed basic programme (ex-works setting)
ensures simple commissioning. If any adaptation to the heating plant is
required, this is carried out using the SERVice parameters. An automatic
change-over between summer and winter time relieves residents of the need
to correct 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, enabling easy remote operation of the controller from the living room.
The communication interface allows the interconnection of several
controllers, a connection to a control station and alarms on a mobile
telephone via SMS messages.
1.2 Safety information
Particular care is required in order to prevent injuries, fire damage and
damage to equipment. After the device has been installed by a specialist
according to the Installation Instructions (MV505870) which are enclosed with
it, please read these instructions on how to operate it. Local regulations must
be followed during the installation. The controller is not a safety-relevant
component. The anti-frost and anti-overheating functions and the limitation of
the flow temperature do not replace the corresponding safety devices.

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

EQJW 125: Heating controller
Description of the controls
7001029003 A
© Fr. Sauter Ltd.
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2 Description of the controls
2.1 Front view of the EQJW 125
E
Q
J
W
1
2
5
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

EQJW 125: Heating controller
Description of the controls
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© Fr. Sauter AG
2.2 Rotary switch
The meanings of the switch positions are as follows:
O
p
e
r
a
t
i
n
g
m
o
d
e
s
:
Automatic mode according
to switching programme
Controller is
continuously in
normal mode
Controller is
continuously in
reduced mode
Controller is
continuously in
back-up mode
A
c
c
e
s
s
t
o
m
a
n
u
a
l
m
o
d
e
I
n
p
u
t
s
:
Setpoin
t
a
d
j
u
s
t
m
e
n
t
N
o
r
m
a
l
m
o
d
e
Setpoin
t
a
d
j
u
s
t
m
e
n
t
Re
d
u
c
e
d
m
o
d
e
E
n
t
e
r
w
e
e
k
l
y
a
n
d
calenda
r
p
r
o
g
r
a
m
m
e
Temper
a
t
u
r
e
c
h
a
n
g
e
with (witho
u
t
)
t
i
m
e
l
i
m
i
t
Access to S
E
R
V
i
c
e
a
n
d
commu
n
i
c
a
t
i
o
n
l
e
v
e
l
1
2
Fig. 2: Rotary switch of 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 stop' for adjusting values or scrolling.
The input knob has a button function, i.e. it can be
pushed. This movement is used to select the parameter
that is currently displayed so as to make a change, or to
confirm a flashing value, or to access a subordinate menu
level.
2.4 ESC button
You can use the ESC button to cancel procedures or to
return from a subordinate menu item to the next level up.
1
2

EQJW 125: Heating controller
Description of the controls
7001029003 A
© Fr. Sauter Ltd.
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2.5 Display
The device has an LC-Display (siehe 2) which can show various items of
information at the same time. The next illustration shows what the symbols
mean:
0 1 2 3 4 5 6 7 8..........2 1 22 23 24
Times for normal mode on the current day
Time, date, setpoints, actual values, etc.
Automatic mode according to the weekly and calendar switching program;
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 temperature
Display of outdoor temperature
Display of room temperature
Controller is in summer mode
Calendar switching programme is currently active
An error has occurred (see Section 7)
Funktion Floor-drying (operational heating) is active

EQJW 125: Heating controller
Description of the controls
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© Fr. Sauter AG

EQJW 125: Heating controller
Commissioning
7001029003 A
© Fr. Sauter Ltd.
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3 Commissioning
3.1 Operating the device for the first time
When you operate the equithermEQJW 125 for the first time, you have to
set the date and time. The controller is then basically ready to use. However,
depending on the particular application, it may be necessary to change more
settings after this.
3.1.1 Setting the time
1. Set 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 year flashes ...
4. Turn the input knob;
•year is changed
5. Press the input knob;
•year is confirmed and day/month are
shown
6. Turn the input knob;
•the date is changed
7. Push the input knob;
•new date is confirmed

EQJW 125: Heating controller
Commissioning
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3.2 SERVice mode
In SERVice mode, a specialist can adapt the basic settings of the EQJW 125
to the plant so as to meet specific requirements. On this subject, also note
the Installation Instructions (MV 505870) enclosed with the EQJW 125.
Incorrect parameterisation (setting) of the heating controller
It can cause major faults on the plant or injuries 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 SERVice parameters
1. Turn the input knob;
2. Select the SERVice parameter that you want
3. Push the input knob;
•the value for the parameter is shown
To leave the value unchanged, exit from the display by pushing ESC.
CAUTION!

EQJW 125: Heating controller
Commissioning
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© Fr. Sauter Ltd.
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3.2.3 Changing SERVice parameters
Push the ESC button to cancel the procedure. The value is not accepted
unless it has already been confirmed.
1. Turn the input knob;
2. Select the SERVice parameter that you want
3. Push the input knob;
•the value for the parameter is shown
4. Turn the input knob;
•the value for the parameter is changed
5. Push the input knob;
•the new value is confirmed
3.2.4 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 model
2 = PWM output
3 = 3-pt output
2...3 1
SP07 0 Room temperature connection
0 = no room temperature detection
1 = connection of NI1000 room sensor
2 = Connection for EGS 52/15 or EGT 333 with room sensor
3 = Connection for EGS 52/15 or EGT 333 w/o room sensor
0...3 1

EQJW 125: Heating controller
Commissioning
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Parameter Description Range Step value
SP08 0 0 = not enabled
1 = active when TRI > TRs
2 = active when TRI < TRs
3 = active when TRI <> TRs
0…1 1
SP09 20 Scanning time for room temperature if connected, in minutes 1...100 1
SP10 0 Room temperature correction in K –6.0...6.0 0.1
SP11 0 Outdoor temperature correction in K –9.9...9.9 0.1
SP12 40 Proportional band PI controller in K 2...100 1K
SP13 240 Reset time PI controller in sec 5...1000 5
SP14 120 Valve run-time in sec 30...960 15
SP15 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 = enabled
1
SP23 25.10 Summer/wintertime change-over 01.01...31.12
SP24 25.03 Winter/summertime change-over
P23 = P24 means no summer/winter time change-over
01.01...31.12
SP60 0 Floor drying
0 = not enabled
7d = functional heating
25°C = ready for laying
8 = malfunction
9 = successfully completed
0;7d; 25°C; 8;9 0;7d; 25°C; 8;9
Tab. 1: SERVice parameters

EQJW 125: Heating controller
Commissioning
7001029003 A
© Fr. Sauter Ltd.
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