WELBA WTS-200 User manual
105871 - WTS-200 31.05.2021
Universal tank control
WTS-200 Firmware V0.7
welba.de
Installation and operating instructions
for plant engineering companies,
installers and service engineers
Measuring - Controlling - Regulating
All from the same source
Programmable via
configuration software
WELBA „KONSOFT"
Contents
Introduction ...........................................4
Safety ................................................5
- General information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
- Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
- Wiring, screening, earthing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
- Electrical safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation ............................................8
- Location and climatic conditions . . . . . . . . . . . . . . . . . . . . . . . . 8
- Unpacking and storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
- Installation of housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
- Fitting the sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
- Safety during installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
- Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
- Connection diagramm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Technical data ........................................12
Function overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
- Internal data storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
- EMAIL or SMS- alarm message/remote maintenance/
remote diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
The configuration software "Konsoft" . . . . . . . . . . . . . . . . . . . . 16
Operating levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Operation of working level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
- Button functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
- Meaning of LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
- Operating modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
- OFF mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
- Cooling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
- Cleaning mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Contents
Cleaning programme description . . . . . . . . . . . . . . . . . . . . . . . . 24
- Cleaning programme diagram. . . . . . . . . . . . . . . . . . . . . . . . . 24
- Cleaning stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
- Cleaning with alkaline or acidic detergent. . . . . . . . . . . . . . . . 31
- Disinfect with "P-acid" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
- Time of dosing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
- Cleaning cycle completed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
- Manual stop of the cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 32
- Stop of the cleaning process due to faults . . . . . . . . . . . . . . . 32
- Power failure during the cleaning process . . . . . . . . . . . . . . . 33
- Quickwash. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
- Start options for the cleaning process. . . . . . . . . . . . . . . . . . . 33
- Single step function during cleaning . . . . . . . . . . . . . . . . . . . . 34
Adjustment of parameters in general . . . . . . . . . . . . . . . . . . . . . 35
Operation of 'Cooling parameters 1' level . . . . . . . . . . . . . . . . . 36
Operation of 'Cooling parameters 2' level . . . . . . . . . . . . . . . . . 38
Operation of 'Cleaning parameters 1' level. . . . . . . . . . . . . . . . . 44
Operation of 'Cleaning parameters 2' level. . . . . . . . . . . . . . . . . 46
Operation of 'Hardware Configuratioon' level . . . . . . . . . . . . . . 49
Operation of 'Service parameter' level . . . . . . . . . . . . . . . . . . . . 52
Operation of 'I / O test parameter' level. . . . . . . . . . . . . . . . . . . . 53
Fault messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Other information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
- Function "Intermediate stirring" . . . . . . . . . . . . . . . . . . . . . . . . 58
- "Continuous stirring" function . . . . . . . . . . . . . . . . . . . . . . . . . 58
- Setting the actual value correction . . . . . . . . . . . . . . . . . . . . . 59
- Adjustment of level control . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
- Procedure following power failure . . . . . . . . . . . . . . . . . . . . . . 60
- Emergency cooling in the event of a sensor fault . . . . . . . . . . 61
- Anti-Icing protection by means of low pressure monitoring. . . 61
- Different variants for cooling start delay . . . . . . . . . . . . . . . . 62
- Integrated multifunction-time relay . . . . . . . . . . . . . . . . . . . . . 63
- Enter the SIM PIN for the ESGSM-001. . . . . . . . . . . . . . . . . . 65
General measures when using electronic control systems . . . 66
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Page 2 Page 3
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Contents
Introduction ...........................................4
Safety ................................................5
- General information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
- Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
- Wiring, screening, earthing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
- Electrical safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation ............................................8
- Location and climatic conditions . . . . . . . . . . . . . . . . . . . . . . . . 8
- Unpacking and storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
- Installation of housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
- Fitting the sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
- Safety during installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
- Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
- Connection diagramm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Technical data ........................................12
Function overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
- Internal data storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
- EMAIL or SMS- alarm message/remote maintenance/
remote diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
The configuration software "Konsoft" . . . . . . . . . . . . . . . . . . . . 16
Operating levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Operation of working level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
- Button functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
- Meaning of LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
- Operating modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
- OFF mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
- Cooling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
- Cleaning mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Contents
Cleaning programme description . . . . . . . . . . . . . . . . . . . . . . . . 24
- Cleaning programme diagram. . . . . . . . . . . . . . . . . . . . . . . . . 24
- Cleaning stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
- Cleaning with alkaline or acidic detergent. . . . . . . . . . . . . . . . 31
- Disinfect with "P-acid" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
- Time of dosing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
- Cleaning cycle completed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
- Manual stop of the cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 32
- Stop of the cleaning process due to faults . . . . . . . . . . . . . . . 32
- Power failure during the cleaning process . . . . . . . . . . . . . . . 33
- Quickwash. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
- Start options for the cleaning process. . . . . . . . . . . . . . . . . . . 33
- Single step function during cleaning . . . . . . . . . . . . . . . . . . . . 34
Adjustment of parameters in general . . . . . . . . . . . . . . . . . . . . . 35
Operation of 'Cooling parameters 1' level . . . . . . . . . . . . . . . . . 36
Operation of 'Cooling parameters 2' level . . . . . . . . . . . . . . . . . 38
Operation of 'Cleaning parameters 1' level. . . . . . . . . . . . . . . . . 44
Operation of 'Cleaning parameters 2' level. . . . . . . . . . . . . . . . . 46
Operation of 'Hardware Configuratioon' level . . . . . . . . . . . . . . 49
Operation of 'Service parameter' level . . . . . . . . . . . . . . . . . . . . 52
Operation of 'I / O test parameter' level. . . . . . . . . . . . . . . . . . . . 53
Fault messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Other information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
- Function "Intermediate stirring" . . . . . . . . . . . . . . . . . . . . . . . . 58
- "Continuous stirring" function . . . . . . . . . . . . . . . . . . . . . . . . . 58
- Setting the actual value correction . . . . . . . . . . . . . . . . . . . . . 59
- Adjustment of level control . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
- Procedure following power failure . . . . . . . . . . . . . . . . . . . . . . 60
- Emergency cooling in the event of a sensor fault . . . . . . . . . . 61
- Anti-Icing protection by means of low pressure monitoring. . . 61
- Different variants for cooling start delay . . . . . . . . . . . . . . . . 62
- Integrated multifunction-time relay . . . . . . . . . . . . . . . . . . . . . 63
- Enter the SIM PIN for the ESGSM-001. . . . . . . . . . . . . . . . . . 65
General measures when using electronic control systems . . . 66
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Page 2 Page 3
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Page 4 Page 5
Safety
General information
The parameter settings of the WTS-200 as supplied do not corre-
spond to the intended use. This can lead to undefined behaviour by
individual components when the system is commissioned.
For this reason, no actuators should be connected when starting
operation. Load circuits should be separated.
The general principle is that the plant constructor is responsible
for putting the controller into operation.
These operating instructions contain important technical and
safety information. Please read carefully before installation and
before any work on or with the regulator.
It is the duty of the party commissioning the system to ensure com-
pliance with the following guidelines.
The universal tank controller may only be installed by an
authorised specialist, observing all local safety requirements.
Access to the environment when connected must be restricted to
specialised personnel.
Universal tank controllers contain live components. They must be
built into the plant in such a way that contact with such live compo-
nents is impossible.
The controller is not suitable for use in explosive atmospheres.
Danger of explosion. Use only outside areas subject to explosive
atmospheres.
The device must not be used if the housing or connection termi-
nals are damaged.
No fluids must penetrate the housing.
The universal tank control may not be exported to the USA without
the manufacturer's express permission.
105871 - WTS-200 31.05.2021
Welba KONSOFT
Introduction
All information and instructions in this manual have been compiled taking into
account the applicable standards and regulations, the state of the art and our
long-term experiences.
WELBA GmbH does not assume any liability for damages due to:
!Non-observance of the installation instruction
!Improper use
!Installation by unqualified staff
!Non-professional installation by third parties
!Unauthorized modifications
!Technical modifications
Otherwise, our general terms and conditions as well as the terms of delivery of
WELBA GmbH and the legal regulations valid at the time of conclusion of the
contract are applicable.
We reserve the right to make technical changes in the context of improving the
properties of use and further developments,
Limitation of liability
These operating instructions include important technical and
safety information. It is vital to carefully study all these instruc-
tions before the installation of the control or in case of any other
work with the control!
These instructions have been prepared with the utmost care. However, the
information contained herein is not an assurance of product characteristics.
The manufacturer accepts no liability for errors and reserves the right to make
technical changes at any time. All rights reserved.
The free of charge configuration Software KONSOFT provides a simple
parameterization and updating of the WTS-200 as well as a comfortable evalu-
ation of the determined data.
See also page 16.
NOTE: The KONSOFT PC-Software has been thoroughly tested and has proven itself hundreds of times in customer use. Despite
all care, we point out that the use of the free PC-Software is at your own risk. WELBA does not accept any liability for damages or loss
of data resulting from the installation or use of the Software.
The proper function of the WTS-200 depends on many external
factors on which the manufacturer has no influence. The manufac-
turer accepts no liability for any damages on the milk cooling tank,
the connected components or the milk.
105871 - WTS-200 31.05.2021
Page 4 Page 5
Safety
General information
The parameter settings of the WTS-200 as supplied do not corre-
spond to the intended use. This can lead to undefined behaviour by
individual components when the system is commissioned.
For this reason, no actuators should be connected when starting
operation. Load circuits should be separated.
The general principle is that the plant constructor is responsible
for putting the controller into operation.
These operating instructions contain important technical and
safety information. Please read carefully before installation and
before any work on or with the regulator.
It is the duty of the party commissioning the system to ensure com-
pliance with the following guidelines.
The universal tank controller may only be installed by an
authorised specialist, observing all local safety requirements.
Access to the environment when connected must be restricted to
specialised personnel.
Universal tank controllers contain live components. They must be
built into the plant in such a way that contact with such live compo-
nents is impossible.
The controller is not suitable for use in explosive atmospheres.
Danger of explosion. Use only outside areas subject to explosive
atmospheres.
The device must not be used if the housing or connection termi-
nals are damaged.
No fluids must penetrate the housing.
The universal tank control may not be exported to the USA without
the manufacturer's express permission.
105871 - WTS-200 31.05.2021
Welba KONSOFT
Introduction
All information and instructions in this manual have been compiled taking into
account the applicable standards and regulations, the state of the art and our
long-term experiences.
WELBA GmbH does not assume any liability for damages due to:
!Non-observance of the installation instruction
!Improper use
!Installation by unqualified staff
!Non-professional installation by third parties
!Unauthorized modifications
!Technical modifications
Otherwise, our general terms and conditions as well as the terms of delivery of
WELBA GmbH and the legal regulations valid at the time of conclusion of the
contract are applicable.
We reserve the right to make technical changes in the context of improving the
properties of use and further developments,
Limitation of liability
These operating instructions include important technical and
safety information. It is vital to carefully study all these instruc-
tions before the installation of the control or in case of any other
work with the control!
These instructions have been prepared with the utmost care. However, the
information contained herein is not an assurance of product characteristics.
The manufacturer accepts no liability for errors and reserves the right to make
technical changes at any time. All rights reserved.
The free of charge configuration Software KONSOFT provides a simple
parameterization and updating of the WTS-200 as well as a comfortable evalu-
ation of the determined data.
See also page 16.
NOTE: The KONSOFT PC-Software has been thoroughly tested and has proven itself hundreds of times in customer use. Despite
all care, we point out that the use of the free PC-Software is at your own risk. WELBA does not accept any liability for damages or loss
of data resulting from the installation or use of the Software.
The proper function of the WTS-200 depends on many external
factors on which the manufacturer has no influence. The manufac-
turer accepts no liability for any damages on the milk cooling tank,
the connected components or the milk.
105871 - WTS-200 31.05.2021
Safety
!Wherever possible, keep input, output and supply leads and sensor cable
physically separate from each other and do not lay them parallel to each
other.
!Mains voltage cables and low-voltage cables must not be laid in one cable.
!Use screened and twisted interface and sensor cables.
!Earth the screening of temperature sensors unilaterally in the switchbox.
!Ensure correctly wired potential equalisation.
When selecting wiring materials and installing and connecting the temperature
controller to the electricity supply, account must be taken of DIN VDE 0100
“Erection of power installations with rated voltages below 1000” or the relevant
national regulations (e.g. based on IEC 60364).
!The controller itself and the associated control circuits and load circuits must
be protected separately and in accordance with the local regulations.
!The separate protection of the control- and load circuit must be carried out
according to local conditions!
!In order to prevent destruction of the relay or semiconductor relay outputs in
the event of a short-circuit, the load circuit should be fused to the maximum
permissible output current.
!As well as incorrect installation, wrong parameter settings can also adversely
affect the correct functioning of the controller. For this reason, safety devices
that are independent of the controller should always be used, e.g. high and
low pressure valves or temperature limiters. Account should be taken of the
local safety regulations in this connection.
!The load circuit (relay outputs K1 to K10) must be fused in accordance with
the connected components.
!The connection of external voltages to the digital inputs can lead to the
destruction of the control.
!Caution: All cables to the digital inputs must be shielded and kept as short as
possible. EMC.
Important note concerning the external fuse
!We recommend protecting the control system with a slow-blow fuse of 160
mA.
Wiring, screening, earthing
Electrical safety
Intended use
Universal tank controllers WTS-200 are designed to control heating systems,
condensing units, alarms, fans, etc. in milk cooling tanks. Any other use of the
device is permitted only with prior written permission from the manufacturer.
The controller is intended only for incorporating into machinery, display panels
or switchboxes etc. and when fitted corresponding to protection class 2 (double
or reinforced insulation) It is only allowed to be put into operation in installed .
state. The use of the control is permitted in devices of protection class 1 and 2.
The controller must not be modified or converted in any way.
The universal tank controller is ready for use only when the parameters have
been set appropriately. Its use before this has been done would have no bene-
fits and could also damage the equipment or adversely affect the milk to be
temperature-controlled.
The device is fitted with a resistance temperature sensor.
The controller is not suitable for use in explosive atmospheres. Danger of
explosion. Use only outside areas subject to explosive atmospheres.
The WTS-200 fulfils the EC requirements for electromagnetic compatibility
(EMC) and the Low Voltage Directive (LVD).
The safety components meet the VDE regulations.
Safety
Page 6 Page 7
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Safety
!Wherever possible, keep input, output and supply leads and sensor cable
physically separate from each other and do not lay them parallel to each
other.
!Mains voltage cables and low-voltage cables must not be laid in one cable.
!Use screened and twisted interface and sensor cables.
!Earth the screening of temperature sensors unilaterally in the switchbox.
!Ensure correctly wired potential equalisation.
When selecting wiring materials and installing and connecting the temperature
controller to the electricity supply, account must be taken of DIN VDE 0100
“Erection of power installations with rated voltages below 1000” or the relevant
national regulations (e.g. based on IEC 60364).
!The controller itself and the associated control circuits and load circuits must
be protected separately and in accordance with the local regulations.
!The separate protection of the control- and load circuit must be carried out
according to local conditions!
!In order to prevent destruction of the relay or semiconductor relay outputs in
the event of a short-circuit, the load circuit should be fused to the maximum
permissible output current.
!As well as incorrect installation, wrong parameter settings can also adversely
affect the correct functioning of the controller. For this reason, safety devices
that are independent of the controller should always be used, e.g. high and
low pressure valves or temperature limiters. Account should be taken of the
local safety regulations in this connection.
!The load circuit (relay outputs K1 to K10) must be fused in accordance with
the connected components.
!The connection of external voltages to the digital inputs can lead to the
destruction of the control.
!Caution: All cables to the digital inputs must be shielded and kept as short as
possible. EMC.
Important note concerning the external fuse
!We recommend protecting the control system with a slow-blow fuse of 160
mA.
Wiring, screening, earthing
Electrical safety
Intended use
Universal tank controllers WTS-200 are designed to control heating systems,
condensing units, alarms, fans, etc. in milk cooling tanks. Any other use of the
device is permitted only with prior written permission from the manufacturer.
The controller is intended only for incorporating into machinery, display panels
or switchboxes etc. and when fitted corresponding to protection class 2 (double
or reinforced insulation) It is only allowed to be put into operation in installed .
state. The use of the control is permitted in devices of protection class 1 and 2.
The controller must not be modified or converted in any way.
The universal tank controller is ready for use only when the parameters have
been set appropriately. Its use before this has been done would have no bene-
fits and could also damage the equipment or adversely affect the milk to be
temperature-controlled.
The device is fitted with a resistance temperature sensor.
The controller is not suitable for use in explosive atmospheres. Danger of
explosion. Use only outside areas subject to explosive atmospheres.
The WTS-200 fulfils the EC requirements for electromagnetic compatibility
(EMC) and the Low Voltage Directive (LVD).
The safety components meet the VDE regulations.
Safety
Page 6 Page 7
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Installation
40 mm
6,0 mm
6,1 mm
Fitting the sensor
When setting the temperature controller parameters (and whenever the sensor is
replaced) the “actual value correction” [Parameter C91] must be adjusted so that the
temperature measured corresponds to that shown on the display. A reference thermo-
meter should be used for this purpose.
See the page 59.
Pay attention to the permitted temperature range for sensor cable exposure.
The sensor cable must not be chafed or kinked.
There must be no substantial mechanical pressure on the sensor tube.
Do not place the sensor and the high-voltage cable in the same cable
conduit (not even within the switchbox).
Temperature range sensor cable -10°C .. +70°C
Changing the sensor cable length
lf it is necessary to shorten or lengthen the sensor cable on installation (or if a sensor
other than the one supplied is to be fitted), the "actual value correction" parameter
must be adjusted accordingly. See the page 59.
Installation
166
95
157
97
R4
For fixing the housing please follow the instructions:
!Place the seal carefully in the groove. Ensure it is not twisted.
!Insert the housing from the front through the switchboard cut-out.
!Attach the holding frame in the rear position as shown by the picture.
!Fasten the housing by using the screws provided.
If the packaging is damaged or something is missing, do not fit the tempera-
ture controller. In this case please contact Welba.
If you keep the temperature controller for a period before using it, store it in a
clean dry place at a temperure of between -20°C and +70°C.
A physical separation between the device and inductive consumers is recommended.
It is essential not to install the device under the following conditions:
"severe jolting, vibration or magnetic fields
"permanent contact with water
"relative humidity of more than 90%
"sharply fluctuating temperatures (condensation)
"dust, flammable gases, vapours, solvents,
"operation in an aggressive atmosphere (ammonia or sulphur fumes) - risk
of oxidation
"operation in the immediate vicinity of radio transmitters with high levels of
spurious radiation.
Installation of housing
Location and climatic conditions
Unpacking and storage
all drillings ø 4 mm
Page 8 Page 9
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Installation
40 mm
6,0 mm
6,1 mm
Fitting the sensor
When setting the temperature controller parameters (and whenever the sensor is
replaced) the “actual value correction” [Parameter C91] must be adjusted so that the
temperature measured corresponds to that shown on the display. A reference thermo-
meter should be used for this purpose.
See the page 59.
Pay attention to the permitted temperature range for sensor cable exposure.
The sensor cable must not be chafed or kinked.
There must be no substantial mechanical pressure on the sensor tube.
Do not place the sensor and the high-voltage cable in the same cable
conduit (not even within the switchbox).
Temperature range sensor cable -10°C .. +70°C
Changing the sensor cable length
lf it is necessary to shorten or lengthen the sensor cable on installation (or if a sensor
other than the one supplied is to be fitted), the "actual value correction" parameter
must be adjusted accordingly. See the page 59.
Installation
166
95
157
97
R4
For fixing the housing please follow the instructions:
!Place the seal carefully in the groove. Ensure it is not twisted.
!Insert the housing from the front through the switchboard cut-out.
!Attach the holding frame in the rear position as shown by the picture.
!Fasten the housing by using the screws provided.
If the packaging is damaged or something is missing, do not fit the tempera-
ture controller. In this case please contact Welba.
If you keep the temperature controller for a period before using it, store it in a
clean dry place at a temperure of between -20°C and +70°C.
A physical separation between the device and inductive consumers is recommended.
It is essential not to install the device under the following conditions:
"severe jolting, vibration or magnetic fields
"permanent contact with water
"relative humidity of more than 90%
"sharply fluctuating temperatures (condensation)
"dust, flammable gases, vapours, solvents,
"operation in an aggressive atmosphere (ammonia or sulphur fumes) - risk
of oxidation
"operation in the immediate vicinity of radio transmitters with high levels of
spurious radiation.
Installation of housing
Location and climatic conditions
Unpacking and storage
all drillings ø 4 mm
Page 8 Page 9
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Electrical connection
K2 K3 K4 K5 K6 K7 K8 K9 K10
A1
A2
5 6 7 8 9 10 11 12 13 14
Safety switch
Temp. sensor
KTY81-210
RS-485 PC
max. switching current relay:
K1...K10 5A/230VAC1
Cleaning activ
K1
1 2 3
25 24 23 22 21 20 19 18 17 16
Remote start
cooling
Level input
Digital inputs
Connection diagram
!Electrical connections must be as shown in the diagram below.
!Use cable bushes.
!Make sure that cables cannot chafe.
!Observe relay current rating.
!In all cases use contactors for pump, compressor and heater.
!Do not feed digital inputs with external voltage! Use potential-free
switches.
Agitator
Compressor
Cold water valve
Warm water valve
Detergent alkaline
Drain valve
Heater
Cleaning pump
Infeed actuators
Detergent acid
230V AC
50/60Hz
Fault warning
input
Before connecting ensure that the mains voltage is the same as indi-
cated on the device's type plate.
Incorrect electrical connection can cause damage to the regulator and to
the equipment.
The temperature controller should be disconnected from the mains volt-
age while connecting plant components or the sensor.
No appliances with current levels in excess of the maximum values indi-
cated in the technical data should be connected to the relay contacts.
No other consumers may be connected to the controller's mains termi-
nals.
Safety during installation
Correct wiring in accordance with the information in the accompanying description
and local regulations is essential. Take particular care to ensure that the AC supply is
not connected to the sensor input or other low-voltage inputs or outputs.
The various relay contacts may only be connected with uniform tension.
Use copper wire (except for the sensor connection) and ensure that all supply leads
and connection terminals are dimensioned to suit the relevant current rating.
When connecting the controller and selecting the wiring materials to be used, it is
essential to comply with the provisions of DIN VDE 0100 “Erection of power installa-
tions with rated voltages below 1000” or the relevant national regulations.
Furthermore, all connections must comply with the relevant VDE regulations or corre-
sponding national regulations.
, Within the relay group K2 to K10 the respective relays are connected with each other
on one side. They connect the respective voltage which has been connected at the
feed point (terminal 9) to the load.
,Compressor, cleaning pump and heater must not be connected directly to the relays
on the control unit. These must be switched by additional contactors. In individual
cases, it must be checked whether additional motor protection switches or other
safety devices are to be installed.
,Contactors are to be fitted with an RC protective circuit.
, The digital inputs may only be connected via potential free switch contacts.
Wiring
Electrical connection
Page 10 Page 11
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
DANGER:
The assignment of the relays and
the digital inputs to the various
functions can be freely set in the A
parameters.
The assignment shown here cor-
responds to the factory setting and
can be changed as required!
Electrical connection
K2 K3 K4 K5 K6 K7 K8 K9 K10
A1
A2
5 6 7 8 9 10 11 12 13 14
Safety switch
Temp. sensor
KTY81-210
RS-485 PC
max. switching current relay:
K1...K10 5A/230VAC1
Cleaning activ
K1
1 2 3
25 24 23 22 21 20 19 18 17 16
Remote start
cooling
Level input
Digital inputs
Connection diagram
!Electrical connections must be as shown in the diagram below.
!Use cable bushes.
!Make sure that cables cannot chafe.
!Observe relay current rating.
!In all cases use contactors for pump, compressor and heater.
!Do not feed digital inputs with external voltage! Use potential-free
switches.
Agitator
Compressor
Cold water valve
Warm water valve
Detergent alkaline
Drain valve
Heater
Cleaning pump
Infeed actuators
Detergent acid
230V AC
50/60Hz
Fault warning
input
Before connecting ensure that the mains voltage is the same as indi-
cated on the device's type plate.
Incorrect electrical connection can cause damage to the regulator and to
the equipment.
The temperature controller should be disconnected from the mains volt-
age while connecting plant components or the sensor.
No appliances with current levels in excess of the maximum values indi-
cated in the technical data should be connected to the relay contacts.
No other consumers may be connected to the controller's mains termi-
nals.
Safety during installation
Correct wiring in accordance with the information in the accompanying description
and local regulations is essential. Take particular care to ensure that the AC supply is
not connected to the sensor input or other low-voltage inputs or outputs.
The various relay contacts may only be connected with uniform tension.
Use copper wire (except for the sensor connection) and ensure that all supply leads
and connection terminals are dimensioned to suit the relevant current rating.
When connecting the controller and selecting the wiring materials to be used, it is
essential to comply with the provisions of DIN VDE 0100 “Erection of power installa-
tions with rated voltages below 1000” or the relevant national regulations.
Furthermore, all connections must comply with the relevant VDE regulations or corre-
sponding national regulations.
, Within the relay group K2 to K10 the respective relays are connected with each other
on one side. They connect the respective voltage which has been connected at the
feed point (terminal 9) to the load.
,Compressor, cleaning pump and heater must not be connected directly to the relays
on the control unit. These must be switched by additional contactors. In individual
cases, it must be checked whether additional motor protection switches or other
safety devices are to be installed.
,Contactors are to be fitted with an RC protective circuit.
, The digital inputs may only be connected via potential free switch contacts.
Wiring
Electrical connection
Page 10 Page 11
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
DANGER:
The assignment of the relays and
the digital inputs to the various
functions can be freely set in the A
parameters.
The assignment shown here cor-
responds to the factory setting and
can be changed as required!
Technical data
Technische Änderungen vorbehalten.
40 mm
6,0 mm
6,1 mm
Operating voltage 230V AC +/-10%, 50 Hz
Relay contacts 10 performance relays
max. switching current each 5A AC1 - 250V AC
max. switching voltage 250V AC - 50 Hz
Display 13 mm LED - Display, 3 digits
LED switching status displays 3 mm
Display range -99 .. 999
Number of Sensors 1
Sensor type KTY 81-210
Sensor cable lenght 2 metres (or as required)
Measurement range -5° .. +70°C
Temperature resolution 0,1°C
Control mode two-step-controller
Hysteresis* 0,1 K .. 10,0 K
(standard adjusting 0,7 K)
Water detection via level monitor (optionally)
Target temperature T1* standard adjusting 4°C
Target temperature T2* standard adjusting 4°C
Digital inputs 3 (via optocoupler)
Connection Push-in connections
for cables up to 2.5 mm²
Housing FEG 106/175 M
- front dimension 106 x 175 mm
- front panel cut out 156 x 96 mm
- insertion depht 45 mm
Protection (housing front) IP 65
Environment specifications:
- Operation temperature 0° .. +50°C
- Storage temperature -20° .. +70°C
- max. humidity 75% (no dew)
Control Sensor
Sensors other than our standard type are available on request
(different bush from or cable length).
Some of the options are shown here.
Sensor element
Bush material
Bush length
Bush diameter
Cable material
Measurement range
Cable lenght
KTY sensor
1.4301(V2A)
40 mm
6.0 mm +/- 0.1
PVC
-10 .. 70° C
Standard 2 metres
Technical data
Page 12 Page 13
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Technical data
Technische Änderungen vorbehalten.
40 mm
6,0 mm
6,1 mm
Operating voltage 230V AC +/-10%, 50 Hz
Relay contacts 10 performance relays
max. switching current each 5A AC1 - 250V AC
max. switching voltage 250V AC - 50 Hz
Display 13 mm LED - Display, 3 digits
LED switching status displays 3 mm
Display range -99 .. 999
Number of Sensors 1
Sensor type KTY 81-210
Sensor cable lenght 2 metres (or as required)
Measurement range -5° .. +70°C
Temperature resolution 0,1°C
Control mode two-step-controller
Hysteresis* 0,1 K .. 10,0 K
(standard adjusting 0,7 K)
Water detection via level monitor (optionally)
Target temperature T1* standard adjusting 4°C
Target temperature T2* standard adjusting 4°C
Digital inputs 3 (via optocoupler)
Connection Push-in connections
for cables up to 2.5 mm²
Housing FEG 106/175 M
- front dimension 106 x 175 mm
- front panel cut out 156 x 96 mm
- insertion depht 45 mm
Protection (housing front) IP 65
Environment specifications:
- Operation temperature 0° .. +50°C
- Storage temperature -20° .. +70°C
- max. humidity 75% (no dew)
Control Sensor
Sensors other than our standard type are available on request
(different bush from or cable length).
Some of the options are shown here.
Sensor element
Bush material
Bush length
Bush diameter
Cable material
Measurement range
Cable lenght
KTY sensor
1.4301(V2A)
40 mm
6.0 mm +/- 0.1
PVC
-10 .. 70° C
Standard 2 metres
Technical data
Page 12 Page 13
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
!Cleaning mode
The cleaning timer controls water intake as either by time or level,
selected. All running times (heater, pump, detergent injection) can
be set separately. Detergent switchover from alkaline to acidic can
also be set.
The WTS-200 controls the various processes and times needed
for a thorough wash fully automatically.
Following a power failure the control unit restarts in the mode
in which it was operating before the outage.
Internal data storage
An integrated data storage permanently records the mode, the milk
temperature, the compressor and stirrer status of the last one to two
days. This data can be conveniently evaluated via the "Welba evaluation
Software "Welba KONSOFT".
Optional:
EMAIL or SMS-alarm message / remote maintenance /
remote diagnosis
Via the optional Welba-EMAIL or SMS-alarm and remote maintenance
modem it is possible to:
,Fault messages of the control unit can be transmitted
- by EMAIL to a computer or a mobile phone, or
- by SMS to a mobile phone,
,carry out a remote maintenance of the control
,carry out a remote diagnosis of the control
* USB-RS485 adapter cable required
Funcion overviewFuncion overview
The WTS-200 is a universal tank control unit combining a modern milk
cooling regulator and a complete cleaning programme control system in
one.
The control unit has various operating modes:
!OFF mode (with continuous stirring function + QUICKWASH)
The control unit is on stand-by. The display shows 'OFF', the LEDs
are out and all output replays are deactivated.
The following operating modes can only be selected from the OFF
mode. It is not possible to switch directly from one of them to
another.
CAUTION: The control unit is live even when switched off.
Function continuous agitating
In the OFF mode the agitator can be switched on and off by
pressing a button. In parameter [C25] can be set after which time
the agitator switches off automatically.
Quick-Wash
If the control is parameterized accordingly, a short wash program
can be triggered from the OFF mode by pressing the "ARROW
DOWN" button for approx. 2 seconds.
For setting, see parameter [r28].
!Cooling mode
The current milk temperature, as measured, is permanently
displayed.
It is possible to switch between two freely adjustable target temper-
atures by pressing a button. If the milk temperature exceeds the
selected target temperature (T1 or T2) by the hysteresis value, the
compressor relay and agitator are automatically activated. Once
the target temperature is reached, the compressor switches off,
while the agitator continues to operate for the pre-set 'after-stirring'
time.
During non-cooling periods the agitator switches on at pre-set
intervals in order to ensure an even temperature throughout the
milk.
Independently of this a short or long 'intermediate stirring' period
can be selected during cooling by pressing a button.
Start cooling mode by pressing button on foil keyboard:
If the delayed start is activated (parameter [P62]), cooling starts for
the first milking after a delay. If the cooling button is pressed twice,
cooling starts immediately.
Start cooling mode via digital input:
The cooling starts immediately - depending on the setting in
parameter [C79] - or with a delayed start cooling.
Page 14 Page 15
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
!Cleaning mode
The cleaning timer controls water intake as either by time or level,
selected. All running times (heater, pump, detergent injection) can
be set separately. Detergent switchover from alkaline to acidic can
also be set.
The WTS-200 controls the various processes and times needed
for a thorough wash fully automatically.
Following a power failure the control unit restarts in the mode
in which it was operating before the outage.
Internal data storage
An integrated data storage permanently records the mode, the milk
temperature, the compressor and stirrer status of the last one to two
days. This data can be conveniently evaluated via the "Welba evaluation
Software "Welba KONSOFT".
Optional:
EMAIL or SMS-alarm message / remote maintenance /
remote diagnosis
Via the optional Welba-EMAIL or SMS-alarm and remote maintenance
modem it is possible to:
,Fault messages of the control unit can be transmitted
- by EMAIL to a computer or a mobile phone, or
- by SMS to a mobile phone,
,carry out a remote maintenance of the control
,carry out a remote diagnosis of the control
* USB-RS485 adapter cable required
Funcion overviewFuncion overview
The WTS-200 is a universal tank control unit combining a modern milk
cooling regulator and a complete cleaning programme control system in
one.
The control unit has various operating modes:
!OFF mode (with continuous stirring function + QUICKWASH)
The control unit is on stand-by. The display shows 'OFF', the LEDs
are out and all output replays are deactivated.
The following operating modes can only be selected from the OFF
mode. It is not possible to switch directly from one of them to
another.
CAUTION: The control unit is live even when switched off.
Function continuous agitating
In the OFF mode the agitator can be switched on and off by
pressing a button. In parameter [C25] can be set after which time
the agitator switches off automatically.
Quick-Wash
If the control is parameterized accordingly, a short wash program
can be triggered from the OFF mode by pressing the "ARROW
DOWN" button for approx. 2 seconds.
For setting, see parameter [r28].
!Cooling mode
The current milk temperature, as measured, is permanently
displayed.
It is possible to switch between two freely adjustable target temper-
atures by pressing a button. If the milk temperature exceeds the
selected target temperature (T1 or T2) by the hysteresis value, the
compressor relay and agitator are automatically activated. Once
the target temperature is reached, the compressor switches off,
while the agitator continues to operate for the pre-set 'after-stirring'
time.
During non-cooling periods the agitator switches on at pre-set
intervals in order to ensure an even temperature throughout the
milk.
Independently of this a short or long 'intermediate stirring' period
can be selected during cooling by pressing a button.
Start cooling mode by pressing button on foil keyboard:
If the delayed start is activated (parameter [P62]), cooling starts for
the first milking after a delay. If the cooling button is pressed twice,
cooling starts immediately.
Start cooling mode via digital input:
The cooling starts immediately - depending on the setting in
parameter [C79] - or with a delayed start cooling.
Page 14 Page 15
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
CODE
Operating levels
Cooling parameters 1 C-parameters Code: 212
Cooling parameters 2 P-parameters Code: 345
Cleaning parameters 1 n-parameters Code: 454
Cleaning parameters 2 r-parameters Code: 567
Hardware configuration A-parameters Code: 384
Service parameters E-parameters Code: A03
I/O test parameters o.-parameters Code: 0E5
Operating levels
Working level
for normal daily operation
Operation of the WTS-200 takes place at various levels:
Working level:
… for normal daily operation.
!OFF mode = control unit switched off.
!Start cooling mode.
!Start cleaning mode.
The subsidiary parameters are accessed by entering a code in
order to avoid their accidental alteration.
Cooling parameters 1
Parameters such as target values, hysteresis etc. are set here.
Cooling parameters 2
for programming the control unit's individual tank-specific cooling func-
tions.
Cleaning parameters 1
Parameters such as times are set here.
Cleaning parameters 2
for programming the control unit's individual tank-specific cleaning func-
tions.
Hardware configuration
the basic configuration of the hardware is parameterized here
Service parameters
is used to enter the PIN number of the SIM card for the optional SMS
alarm and remote maintenance modem ESGSM-001.
I/O test parameters
is used to test the relay as well as the output and input functions.
The configuration software KONSOFT
* USB-RS485 adapter cable or
LAN-RS485 adapter required
The user-friendly configuration software “KONSOFT" for the WTS-200 can be
used for
,configuration
,parameter setting
,visualisation
,storage
,updating
Configuration
All setting parameters can be entered and stored, with reference to levels, on your
PC using a clearly designed template. A description is available for every parame-
ter.
Once all parameters are entered, the complete configuration can be transferred to
the control unit via USB interface
Visualisation
Also by USB transfer, values and status or error reports can be obtained from the
control unit, displayed on screen graphically or in tabular form, and stored. This
allows rapid analysis in the event of a fault.
Bootloader function
This allows control units to be updated to any new software by pressing a button.
For software
description see
separate instructions.
Page 16 Page 17
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
CODE
Operating levels
Cooling parameters 1 C-parameters Code: 212
Cooling parameters 2 P-parameters Code: 345
Cleaning parameters 1 n-parameters Code: 454
Cleaning parameters 2 r-parameters Code: 567
Hardware configuration A-parameters Code: 384
Service parameters E-parameters Code: A03
I/O test parameters o.-parameters Code: 0E5
Operating levels
Working level
for normal daily operation
Operation of the WTS-200 takes place at various levels:
Working level:
… for normal daily operation.
!OFF mode = control unit switched off.
!Start cooling mode.
!Start cleaning mode.
The subsidiary parameters are accessed by entering a code in
order to avoid their accidental alteration.
Cooling parameters 1
Parameters such as target values, hysteresis etc. are set here.
Cooling parameters 2
for programming the control unit's individual tank-specific cooling func-
tions.
Cleaning parameters 1
Parameters such as times are set here.
Cleaning parameters 2
for programming the control unit's individual tank-specific cleaning func-
tions.
Hardware configuration
the basic configuration of the hardware is parameterized here
Service parameters
is used to enter the PIN number of the SIM card for the optional SMS
alarm and remote maintenance modem ESGSM-001.
I/O test parameters
is used to test the relay as well as the output and input functions.
The configuration software KONSOFT
* USB-RS485 adapter cable or
LAN-RS485 adapter required
The user-friendly configuration software “KONSOFT" for the WTS-200 can be
used for
,configuration
,parameter setting
,visualisation
,storage
,updating
Configuration
All setting parameters can be entered and stored, with reference to levels, on your
PC using a clearly designed template. A description is available for every parame-
ter.
Once all parameters are entered, the complete configuration can be transferred to
the control unit via USB interface
Visualisation
Also by USB transfer, values and status or error reports can be obtained from the
control unit, displayed on screen graphically or in tabular form, and stored. This
allows rapid analysis in the event of a fault.
Bootloader function
This allows control units to be updated to any new software by pressing a button.
For software
description see
separate instructions.
Page 16 Page 17
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
T1 T2
°C
Mode
The working level is for normal daily
milk-cooling operation. In cooling
mode, the current milk temperature
as measured is permanently dis-
played.
Button functions
Operation of working level
To change to a different
mode always press the
'OFF/SET' button first.
Active modes are closed
down by pressing the 'OFF'
button.
OFF / Set button
!Switch regulator to OFF mode.
!Switch off continuous stirring
!Switch to programming mode (press button for 3 seconds)
!Stop of the milk decanting function
COOLING button
in OFF mode = Start cooling
press twice = Bypass coolingstart delay.
in cooling mode = Switch between target temperatures T1/T2
Sensor fault = Activate EMERGENCY-cooling
AGITATOR button
in OFF mode = Continuous stirring
in cooling mode (press 1 sec.) 'Intermediate stirring SHORT'
in cooling mode (press 3 sec.) 'Intermediate stirring LONG'
See also section:
'Intermediate stirring options' on page 58.
Operation of working level
Page 18 Page 19
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Operating levels
Cooling parameters 1 Code: 212
Cooling parameters 2 Code: 345
Cleaning parameters 1 Code: 454
Cleaning parameters 2 Code: 567
Hardware configuration Code: 384
Service parameters Code: A03
I/O test parameters Code: 0E5
Working level
for normal daily operation
WASHING button
in OFF mode = short pressing:
Start Cleaning
longer pressing:
Start of the cleaning with the desired
rinsing cycle (if parameterised)
During cleaning process = Special function when
commissioning / Service
See page 33 + 34.
Button „ARROW UP“ (+RESET)
in programming mode = changing of setting values
in OFF mode = confirmation of fault messages
See page 54.
Taste “PFEIL AB” (+ QUICKWASH)
in programming mode = changing of setting values
in OFF mode = press button for about 2 sec.:
Start of the short rinsing programme
(only, if set in parameter [r28], see page
46.)
T1 T2
°C
Mode
The working level is for normal daily
milk-cooling operation. In cooling
mode, the current milk temperature
as measured is permanently dis-
played.
Button functions
Operation of working level
To change to a different
mode always press the
'OFF/SET' button first.
Active modes are closed
down by pressing the 'OFF'
button.
OFF / Set button
!Switch regulator to OFF mode.
!Switch off continuous stirring
!Switch to programming mode (press button for 3 seconds)
!Stop of the milk decanting function
COOLING button
in OFF mode = Start cooling
press twice = Bypass coolingstart delay.
in cooling mode = Switch between target temperatures T1/T2
Sensor fault = Activate EMERGENCY-cooling
AGITATOR button
in OFF mode = Continuous stirring
in cooling mode (press 1 sec.) 'Intermediate stirring SHORT'
in cooling mode (press 3 sec.) 'Intermediate stirring LONG'
See also section:
'Intermediate stirring options' on page 58.
Operation of working level
Page 18 Page 19
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
Operating levels
Cooling parameters 1 Code: 212
Cooling parameters 2 Code: 345
Cleaning parameters 1 Code: 454
Cleaning parameters 2 Code: 567
Hardware configuration Code: 384
Service parameters Code: A03
I/O test parameters Code: 0E5
Working level
for normal daily operation
WASHING button
in OFF mode = short pressing:
Start Cleaning
longer pressing:
Start of the cleaning with the desired
rinsing cycle (if parameterised)
During cleaning process = Special function when
commissioning / Service
See page 33 + 34.
Button „ARROW UP“ (+RESET)
in programming mode = changing of setting values
in OFF mode = confirmation of fault messages
See page 54.
Taste “PFEIL AB” (+ QUICKWASH)
in programming mode = changing of setting values
in OFF mode = press button for about 2 sec.:
Start of the short rinsing programme
(only, if set in parameter [r28], see page
46.)
Operation of working level
Meaning of LEDs
T1
T2
Mode
Mode
T1 T2
°C
Mode
Operation of working level
LED "AGITATOR”
in all mode Agitator is switched on
LED "COMPRESSOR"
continuous Compressor contactor is switched on
blinking Minimum switch-off time (swing
protection) is still active
LED "T1” Target temperature 'T1' active
LED "T2” Target temperature 'T ' active 2
LED “WASH END” continuous cleaning is completed
LED "COOLING MODE"
blinking Cooling start delay is activ
continuous "Cooling mode" is activ
LED "CLEANING MODE"
"Cleaning mode" is activcontinuous
blinking “Quickwash” is active.
Page 20 Page 21
105871 - WTS-200 31.05.2021105871 - WTS-200 31.05.2021
T1 T2
°C
Mode
Operating modes
OFF mode (with continuous stirring function)
If the display shows „OFF“ the control is in OFF mode.
Permanent stirring function:
In the OFF mode the agitator can be switched on with the button “agita-
tor” and switched off with the button “OFF”. During the stirring cycle, a
rotating bar appears on the display.
If the agitator is not switched off manually or switched to another mode,
an automatic switching off takes place according to the time set in [C25].
(If the parameter is set to ‚0' there is no automatic switch off).
Quick-Wash
If the control is parameterized accordingly, a short wash program can be
triggered from the OFF mode by pressing the "ARROW DOWN" button
for approx. 2 seconds.
Milk decanting function (from buffer tank into main tank)
If the control unit is parameterised accordingly, milk can be decanted
from a buffer tank into the main tank in OFF mode. For this purpose the
pump or the changeover valve are actuated, depending on the setting.
During the decanting function, the display shows "P.on".
Start: A start signal (from the robot or an external button) must be
present for at least 5 seconds.
Stop: - Depending on setting in parameter [P38]
- or at any time via the OFF-button.
For setting see parameter [P36..P38].
Other manuals for WTS-200
2
Table of contents
Other WELBA Tank Equipment manuals
