Stienen BRAVO TOUCH Climate Controller

About This Manual

This manual is intended for the user of this device. It contains all the necessary information to use and maintain it cleanly. Read all information and instructions carefully before using the product. Warnings, important notes, tips, etc., are indicated by symbols in this manual. This manual has been prepared with the utmost care. If you detect any errors, please report them.

1.1 Symbol Definitions

• Hazard Symbol: Risk of injury from dangerous electrical discharge. Danger to people and animals.
• Warning Symbol: Indicates danger to the product, people, and animals if procedures are not carefully followed.
• Warning Symbol: Indicates damage to the product if procedures are not carefully followed.
• No High-Pressure Cleaning: Cleaning with high-pressure sprayers is not permitted.
• Selective Collection Symbol: For selective waste collection.
• Important Note Symbol: Important note.
• Information Symbol: Supplementary information.
• Application Example Symbol: Concrete example of the described functionality.
• Calculation Example Symbol: Calculation example.
• Manual Symbol: Manual.
• Tips and Recommendations Symbol: Tips and recommendations.
• Screenshot Symbol: Screenshot.
• Application Note Symbol: Application note.

1.2 Customer Service

If you have any questions, please contact your installer. Ensure you have all the necessary information at hand. Always note the cause and circumstances of the fault. This will avoid ambiguity and allow your installer to resolve the problem quickly and appropriately.

Instructions and Safety Warnings

Read the general safety instructions in this chapter carefully before using the appliance. A certified installer must install the device and resolve any faults, in accordance with applicable guidelines. If this product is installed and used in any other way, the warranty will be void.

2.1 Sound and Independent Alarm System

The control equipment has been designed and manufactured with the utmost care. However, a technical failure can never be ruled out. In many countries, insurance requirements are becoming increasingly strict, and it is necessary to connect the alarm contacts of the various control devices to an alarm center.

• It is recommended to install an adequate and independent alarm system, such as a min./max. thermostat.
• Test the alarm manually at least once a week.

2.2 During Use

People operating the appliance must have read the manual carefully and be aware of the potential hazards that may arise from improper use and maintenance of the product.

• The appliance must only be opened by authorized personnel.
• Do not turn off the control equipment while the house is empty; instead, put it in standby mode. This will prevent condensation caused by the cooling of the equipment.
• Periodically check the appliance for damage. A damaged appliance is not safe. Always report any damage to your installer.
• Electronic equipment is protected against splashes, but should not be cleaned with a pressure cleaner.
• The appliance must only be opened by authorized personnel.

2.3 Disposal

The EU has established selective collection systems for waste electrical and electronic equipment and batteries (Directive 2012/19/UE). If the appliance is not disposed of correctly, you risk a fine. Electrical and electronic appliances must be collected separately at the end of their useful life.

Introduction

3.1 Purpose of Use

Equipped with a touch screen and external connectivity (optional), the BRAVO TOUCH is designed to control all types of ventilation, heating, and cooling systems in today's livestock sector.

3.2 Summary of Inputs and Outputs

Analog Inputs:

• Ambient Temperature
• Outside Temperature
• Air Humidity
• Carbon Dioxide
• Ammonia
• Air Pressure

Digital Inputs:

• Metered Fan
• External Alarm

Analog Outputs:

• Proportional Fans
• Control of the throttling unit
• Air inlet control

Digital Outputs:

• Heating
• Cooling
• Alarm Groups

Controls

4.1 Outside Temperature Compensation

When the outside temperature is lower than the ambient temperature, the bandwidth increases automatically. This process starts as soon as:

• The outside temperature sensor is active.
• The measured outside temperature is at least 10°C lower than the ambient temperature.

The bandwidth increases by 0.1°C for every degree the outside temperature is below the compensation point, up to a maximum of 10°C. For example, with an ambient temperature of 21°C and an outside temperature of -5°C, compensation begins at 11°C. The bandwidth then increases by (11°C - 5°C) × 0.1 = 1.6°C. If the outside temperature sensor alarm is activated, compensation is automatically deactivated.

4.2 Humidity Control (HR)

When the relative humidity (HR) exceeds the setpoint, the minimum ventilation increases. This is done up to 50% of the adjusted minimum ventilation, within a 20% HR bandwidth. Note: Control with greater compensation takes priority.

• Minimum Ventilation: 10%
• Set point HR: 50%
• Measured HR: 60%
• Bandwidth: 20%

Calculation of the percentage increase: (60% - 50%) / 20% × 50% = 25%. The minimum ventilation is then: 10% × 1.25 (↑ 25%) = 12.5%.

4.3 CO2 Control

If the CO2 level exceeds the setpoint, the minimum ventilation is increased. This increase can be up to 50% of the adjusted minimum ventilation, within a 1000 ppm CO2 interval. Note: Control with greater compensation takes priority.

• Minimum Ventilation: 10%
• Set point CO2: 1500ppm
• Measured CO2: 2000ppm
• Bandwidth: 1000 ppm

Calculation of the percentage increase: (2000ppm - 1500ppm) / 1000ppm × 50% = 25%. The minimum ventilation is then: 10% × 1.25 (↑ 25%) = 12.5%.

4.4 NH3 Regime

If the NH3 level exceeds the setpoint, the minimum ventilation is increased. This increase can be up to 50% of the adjusted minimum ventilation, within a 10 ppm NH3 interval. Note: Control with greater compensation takes priority.

• Minimum Ventilation: 10%
• Set point NH3: 15 ppm
• Measured NH3: 20 ppm
• Bandwidth: 10 ppm

Calculation of the percentage increase: (20ppm - 15ppm) / 10ppm × 50% = 25%. The minimum ventilation is then: 10% × 1.25 (↑ 25%) = 12.5%.

4.5 Air Inlet Control

The air inlet control adjusts an air inlet with an adjustable temperature correction based on the setpoint temperature. Applying a bandwidth factor determines the actual air inlet bandwidth (factor multiplied by the ventilation bandwidth). The control operates within a range of 0% to 100%.

4.6 Motor Control

Motor control is used instead of the fan, especially in situations where a central duct is used. This control allows regulation of an air inlet to manage the amount of air entering the house at any given time.

When motor control is active, fan control is automatically deactivated, making fan control-related settings no longer visible. In this case, the BP03's TRIAC assumes the function of activating and deactivating motor control, while relay 2 of the BP03 controls the motor's movement direction (open or closed). This implies that cooling control must not be active when motor control is operating. Furthermore, sensor 2 of the heater cannot be used while motor control is in operation.

Motor control can operate based on feedback or time control. Feedback provides greater control over motor position, while time control offers no direct feedback, which can lead to temperature deviations or other values, although these usually occur gradually. If a manual motor adjustment is made via the Bravo Touch during time control, the motor's current position may be temporarily incorrect, correcting itself only during calibration, which occurs every 8 hours.

The motor does not adjust its position continuously; once it reaches the desired position, it remains stationary for 15 seconds before rechecking its position.

4.7 Ventilation Stop Control

Ventilation stop control has three modes:

• Mode 0: Deactivates ventilation stop control.
• Mode 1: Activates ventilation stop control.
• Mode 2: Applies pulse-pause control with an adjustable temperature deviation from the setpoint temperature. It uses a one-degree hysteresis and has a repetitive cycle of a 9-minute pause and a 1-minute pulse at minimum ventilation. This prevents, for example, ice from slowing down the fans.

In ventilation stop state:

• Heating and cooling are off;
• Temperature alarms are deactivated, except for sensor failure alarms;
• RPM feedback control and air intake control remain active.

4.8 Shutting Down the Control Computer

When the control computer is shut down, the fan can stop completely or operate at a certain percentage. This percentage corresponds to that used during regulation, meaning the fan cannot operate below minimum ventilation or above maximum ventilation. The same applies to air inlet control.

Shutting down the control computer also has the following consequences:

• It disconnects heating and cooling functions.
• It deactivates minimum and maximum temperature alarms (sensor failure alarm remains active).
• Air inlet control settings remain visible in standby mode, if applicable.

Additionally, the manual's QR code and access to the installer menu remain available.

4.9 Fan Power

In both operating and standby modes, the actual fan power is the same. For example, 15% in operating mode also corresponds to 15% in standby mode. This means at least 0.5 V is emitted.

For the output to be 0 V in standby mode, there is an option in the menu. If this option is activated, the fan output will be 0 V. If the option is deactivated, at least 0.5 V will be emitted according to the selected value.

4.10 Installer Login Menu

There are two ways to access the installation menu:

1. By default, using the "plus" and "minus" keys in the following order: plus, minus, minus, plus.
2. Alternatively, with a PIN code. This option can only be activated by your installer in the installer menu. When you wish to access the installer menu, the PIN code pop-up window will appear, where you will need to enter the PIN code set by your installer.

Operation

5.1 Screen Layout

A - Alarm Icon: The color indicates the alarm status:

• No alarm active (icon is gray).
• An alarm is active (icon is red).
• Alarms have been suppressed but not yet resolved (icon is orange).

B - Control Icons: On the right side of the screen, you can scroll up and down through all control icons. By touching an icon, you can change the desired settings (see 5.2 Change Settings). Adjusted values are shown to the right of the icons.

C - Heating/Cooling Icons: In the bottom right corner of the screen, if activated, you will see the heating or cooling icon:

• Gray flame (): Heating OFF (heating relay disconnected)
• White flame (): Heating ON (heating relay connected)
• Gray ice crystal (*): Cooling OFF (cooling relay disconnected)
• White ice crystal (*): Cooling ON (cooling relay activated)

D - Additional Control Icon: In the bottom left corner, if activated, you will see an additional control icon, depending on the activated control:

• Additional regime position in %
• Measured pressure in Pa
• Measured relative humidity in %
• Measured CO2 content in ppm
• Measured NH3 content in ppm

E - Settings Summary: On the right side of the screen, you will see a summary of all settings with their corresponding values.

5.2 Change Settings

You can modify an adjusted value as follows:

1. Tap the icon of the setting you wish to modify. A change bar (+ OK -) appears.
2. Tap the plus (+) or minus (-) key to increase or decrease the adjusted value.
3. Tap OK to confirm the modified value.

Note: If you wish to cancel an entered value, do not tap OK. Instead, tap anywhere on the left side of the screen. The edit bar will disappear, and the setting will revert to its original value.

5.3 Turning the Control Computer On and Off

When you turn off the control computer, most functions will also be deactivated. Heating and cooling controls, as well as minimum and maximum temperature alarms, will be deactivated. Sensor failure alarms will remain active.

The following options will remain visible:

• Ventilation yes/no
• Ventilation in %, if ventilation is active
• Air inlet control in %, if the inlet option is activated
• Service numbers
• Manual QR code
• Login for the installation menu

Note: For more information, consult the description under function number 23, page 15.

User Menu Configuration

6.1 Home Screen

This chapter describes all visible settings in the user menu. The user menu can be accessed directly from the home screen.

• Icons followed by [icon] are always visible.
• Icons followed by [icon] are visible depending on the configuration selected in the installer menu (consult the installer manual, chapter 5).

Appendix A contains a list of work numbers with their corresponding dependencies.

6.2 24-Hour Summary

Tapping this icon opens a 24-hour graph showing temperature, ventilation, and additional control. The different graphs are selected using the icons on the right of the graph. To close the graph, tap the cross (×) in the top right corner.

Yesterday's measurements are shown with a thin line, while the thicker line represents today's measurements up to the current hour.

Note: The additional control graph is only visible when an additional control is activated.

6.3 Day Counter

Displays the current day number of a cycle and selects the corresponding ventilation curve values. By default, the day counter starts on day 0 and increments each day. You can manually adjust the day number.

Note: The day counter is only visible in curve mode, which is activated in the installer menu.

6.4 Ventilation Curve

The ventilation curve opens here. The ventilation curve is only visible in curve mode. Curve mode is activated in the installer menu. In the user menu, tap the Ventilation Curve menu option (function number 3).

6.5 Target Temperature

This is where you adjust the desired temperature for the department. The temperature unit is an installer setting (see installer manual).

Note: If curve mode is activated, the icon color is a lighter green. The calculated value is now displayed and cannot be adjusted directly. Tapping this icon opens the curve menu, where values can be modified (see chapter 7 Curve Mode).

6.6 Minimum and Maximum Ventilation

Minimum Ventilation: This is where you adjust the desired minimum ventilation, which corresponds to the ventilation amount when the ambient temperature is equal to or below the setpoint temperature.

Note: If curve mode is activated, the icon color will be light green. In this case, the calculated value is displayed, which cannot be adjusted directly. Tapping this icon will open the curve menu, where values can be modified (see chapter 7 Curve Mode).

Maximum Ventilation: This is where you adjust the desired maximum ventilation. This is the ventilation amount applied when the ambient temperature has reached the upper limit of the bandwidth.

If curve mode is activated, the icon color will be light green. In this case, the calculated value is displayed, which cannot be adjusted directly. Tapping this icon will open the curve menu, where values can be modified (see chapter 7 Curve Mode).

6.7 Bandwidth

This is where you adjust the desired temperature interval, within which ventilation increases from minimum to maximum.

Fig. 1: Bandwidth Graph

6.8 Heating Control

This is where you adjust the setpoint temperature for heating control. If an additional sensor is not used for heating control (installer setting: function number 54), heating is regulated based on the deviation of the actual temperature. If a second temperature sensor is used (user setting: function number 9) for heating control, an absolute setpoint temperature is adjusted.

Heating Compensation (Offset): This is where you adjust the heating deviation (offset) with respect to the setpoint temperature. The heating relay is activated as soon as the ambient temperature drops below the adjusted temperature deviation.

• Setpoint Temperature: 20.0°C
• Heating Compensation (Offset): 2.0°C

The heating relay is activated at 20.0°C - 2.0°C = 18.0°C (ambient temperature).

Note: The pictogram is only displayed if heating is active (installer setting: function number 55).

Heating Setpoint: With additional heating control, heating is activated as soon as the second temperature sensor measures a temperature below the adjusted value.

Note: The pictogram is only displayed if heating is active (installer setting: function number 55) and a second temperature sensor for heating is connected (installer setting: function number 54).

6.9 Cooling Compensation (Offset)

This is where you adjust the cooling deviation (offset) with respect to the setpoint temperature. The cooling relay is activated as soon as the ambient temperature exceeds the adjusted deviation.

• Setpoint Temperature: 20.0°C
• Cooling Compensation (Offset): 2.0°C

The cooling relay is activated at 20.0°C + 2.0°C = 22.0°C (ambient temperature).

Note: The pictogram is only displayed if cooling is active (installer setting: function number 57). In case of sensor alarm, the cooling system is automatically disconnected.

6.10 Minimum and Maximum Temperature Alarms

Minimum Temperature Alarm: This is where you set the minimum alarm limit for temperature control. When the ambient temperature drops below this value, the alarm is activated.

Maximum Temperature Alarm: This is where you set the maximum alarm limit for temperature control. When the ambient temperature exceeds this limit, the alarm is activated.

6.11 Additional Controls

Your installer can configure BRAVO TOUCH with additional control for pressure, relative humidity (HR), CO2, or NH3.

Note: The additional control is only visible in the user menu, provided it is activated in the installer menu (see installer manual, chapter 5.21 Additional Control).

Pressure Control: This is where you adjust the desired pressure value. Pressure control regulates the analog output to maintain the set pressure.

Minimum Pressure Alarm: This is where you set the minimum alarm limit for pressure control. When the pressure drops below this limit, the alarm is activated.

Maximum Pressure Alarm: This is where you set the maximum alarm limit for pressure control. When the pressure exceeds this limit, the alarm is activated.

Relative Humidity (HR) Control: When the relative humidity (HR) exceeds the adjusted value, the minimum ventilation is increased to reduce HR.

Maximum HR Alarm: This is where you set the maximum alarm limit for humidity control. When the HR exceeds this set maximum value, the alarm is activated.

CO2 Control: When the CO2 level exceeds the adjusted value, the minimum ventilation is increased to reduce the CO2 level.

Maximum CO2 Alarm: This is where you set the maximum alarm limit for CO2 control. When the CO2 level exceeds this maximum value, the alarm is activated.

NH3 Control: When the NH3 level exceeds the set value, the minimum ventilation is increased to reduce the NH3 level.

Maximum NH3 Alarm: This is where you set the maximum alarm limit for NH3 control. When the NH3 content exceeds this maximum value, the alarm is activated.

6.12 Turning the Computer On and Off

When the control computer is off, the fan can stop completely or operate at a determined percentage. This percentage corresponds to that used during control. Fan power must not be lower than minimum ventilation or higher than maximum ventilation. When the climate control computer is on, the background is green, and all functions are active.

When the control computer is turned off, the background turns orange. In this state, settings are no longer visible, except for ventilation control, air inlet control, the manual, and function numbers. Installer program access is still possible. Heating, cooling (if active), tracking control, and temperature alarms are deactivated. However, throttling control, speed feedback, and defective temperature sensor alarms remain active (if selected). Where applicable, the air inlet control position is visible in standby mode.

6.13 User Manual

The QR code will open a link to the downloadable digital version of this manual. You can scan the QR code with your smartphone or other mobile device.

6.14 Support Mode

Activate support mode to display function numbers next to each menu option. This facilitates quick identification of functions for remote assistance.

6.15 Installer Login

Here you can log in to access the installer menu. Your installer has configured a passcode (4 digits) consisting of combinations of the plus and minus keys (see installer manual, chapter 5).

Curve Mode

The curve mode pop-up menu displays the ventilation curve settings. Curve mode is activated in the installer menu. In the user menu, tap the Ventilation Curve menu option (function number 3).

Fig. 2: Curve Table

The curve contains four inflection points. For each inflection point, target temperature and ventilation values can be adjusted based on the age (in days) of the animals. The transition between inflection points is linear over the number of days.

• Target temperature on day 10: 30°C
• Target temperature on day 20: 20°C

In 10 days, the temperature drops by 10°C, i.e., 1°C per day.

These settings display measurements according to the established curve. Selecting a setting opens the curve table.

Alarm Summary

8.1 General

This chapter deals with the possible alarms of the BRAVO TOUCH.

• No Alarm Active: If the alarm bell icon is gray, it means there are no active alarms.
• One or More Alarms Active: If one or more alarms are active, the alarm bell icon flashes on a red background. The display of the alarm bell icon alternates with the icon corresponding to the active alarm. Furthermore, the alarm relay is deactivated.

8.2 Resolving or Silencing an Alarm

When you want to deactivate an alarm, tap the alarm icon that appears on the home screen. The alarm relay is reactivated. In case of a new alarm, the relay is deactivated again. Once the alarm situation is resolved, the color of the corresponding icon changes to gray. If the alarm situation is not resolved, the color of the corresponding icon changes to orange to indicate that the alarm has been suppressed. If the BRAVO TOUCH detects that the alarm continues to be active or a new alarm situation arises within 5 minutes, the active alarm bell icon reappears, and the alarm relay is deactivated again.

Note: The different alarm icons are only displayed if the corresponding control is active and an alarm related to that control occurs.

• No Alarm: Currently, there are no alarms.
• Warning: One or more alarms are active, but they have been suppressed for 5 minutes.
• Alarm: One or more alarms are active, and the alarm relay has failed.
• Minimum Temperature Alarm: The measured ambient temperature is equal to or below the set minimum alarm limit.
• Maximum Temperature Alarm: The measured ambient temperature is equal to or above the set maximum alarm limit.
• Fan Speed Feedback Alarm: The measured ventilation is significantly lower than the requested ventilation. During alarms, TTM feedback is deactivated. Ventilation is controlled based on the calculated value.
• Maximum CO2 Alarm: The measured CO2 level is equal to or above the set maximum alarm limit.
• Maximum HR Alarm: The measured HR is equal to or above the set maximum alarm limit.
• Maximum NH3 Alarm: The measured NH3 content is equal to or above the set maximum alarm limit.
• IO Alarm: Communication between the cover plate and the bottom plate has been interrupted.
• External Input Alarm: The external alarm input is active.
• Minimum Pressure Alarm: The measured pressure is equal to or below the minimum alarm limit.
• Maximum Pressure Alarm: The measured pressure is equal to or above the maximum alarm limit.
• Sensor Fault Alarm 1: The temperature measured at sensor input 1 is outside the range of -60.0°C to 130.0°C. A value below -60.0°C or above 130.0°C indicates that the corresponding sensor is faulty. Heating and cooling controls are deactivated while this alarm is active.
• Sensor Fault Alarm 2: The temperature measured at sensor input 2 is outside the range. Heating, cooling, and outside temperature compensation controls are deactivated while this alarm is active.
• Motor Control Alarm: During calibration, the time required to move from fully closed to fully open is measured. In operating mode, an alarm is triggered if the desired position is not reached within that time (with a 10-second margin). Motor control stops all activity for 150 seconds. After that, the alarm clears, and a new calibration is performed. A motor alarm can only be triggered if feedback is configured (see installer manual: Function number 86).