c35-vav technical manual - micro matic...8 c35-vav c35-vav 9 5. mounting instructions component...

C35-VAV... Technical Manual

Configurable zone temperature, carbon dioxide and relative humidity controller for VAV systems and universal HVAC applicationsFirmware Version C35-VAV 1.0

2 C35-VAV 3C35-VAV

1. Introduction1.1. Use1.2. Hardware features1.3. Software features1.4. Applications1.5. Type Summary & Ordering Info

2. Before use or installation3. Device Overview4. Mounting Diagram5. Mounting Instructions6. First Power Up and Commissioning

6.1. Temperature measurement6.2. Relative humidity measurement6.3. Carbon dioxide (CO2) measurement

7. Touch screen operation and Maintenance8. Definitions9. User Interface

9.1. Home Screen Overview9.2. Navigation buttons

10. Working and operating modes10.1. Comfort mode10.2. Economy mode10.3. Standby mode10.4. Scheduler10.5. Occupied mode

11. Main menu and settings11.1. Home > Menu11.2. Scheduler11.3. Setpoints11.4. Display11.5. Date and Time settings11.6. Heating / Cooling (Manual Changeover)11.7. Sound On / Off11.8. About

12. Advanced Menu12.1. Network12.2. Security12.3. Parameters [1 / 5] Main Configuration12.4. Parameters [2…5 / 5] Air volume, VAV Temperature PID and ECM12.5. Offsets12.6. Setpoint Limits12.7. Language

13. Input/Output Menu13.1. Analog input (AI1)13.2. Binary input (BIN1)13.3. Sensor Function13.4. Temperature sensor13.5. Values

14. Variable Air Volume applications using C35-VAV15. Connection terminals16. Connection diagrams17. BACnet MS/TP network recommendations

17.1. Wiring and topology17.2. Termination jumper17.3. Maximum number of devices on data bus17.4. Isolated RS485

18. Technical data C3519. Trouble shooting guide20. Device Reset21. Factory reset22. Calibration of resistive touchscreen23. BACnet Protocol Implementation Conformance Statement

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1. Introduction

Thank you for purchasing a KOER product. KOER is a brand dedicated to the development and production of the next generation of hardware and software solutions for HVAC management and building automation systems. Our vision is to continuously develop and produce quality products for the building automation industry which will have a positive impact on user environments, quality of life and, health and safety. With this in mind, we value any insights or feedback you may have regarding our products. (Email: info@koer.com)

1.1. Use

This device (C35-VAV…) can be used for temperature, air quality and humidity control of individual zones as part of a Demand Controlled Ventilation system, HVAC system or as a standalone controller.

C35-VAV… can be used in HVAC systems for:• Heating• Cooling• Ventilation• Dehumidification

C35-VAV… can control of the following operational elements:• Damper actuators• Heat exchange actuators• Radiator/Floor heating actuator• Modulating electric heaters• EC motor fan

1.2. Hardware features

Main hardware features include:• Resistive Color TFT touchscreen display• Built-in sensors:

- Temperature- CO2 (optional)- Relative Humidity (optional)

• Three analog 0…10 V DC outputs• One analog 0…10 V DC input• One analog resistive input• One binary input• RS-485 transceiver (optional)• Galvanic isolated RS-485 transceiver (optional)• Real Time Clock• Easy wall mounting• Power supply 24 V AC/DC

1.3. Software features

• PID control based on temperature, air quality and humidity parameters• Weekly scheduler, four preset modes, up to eight scheduler timers per day• Occupied mode function• Three operating modes: Comfort, Economy, Standby• Protection functionality in Standby mode• Password protected menu and advanced menu• Window contact or presence sensor input• Automatic or manual changeover• Standby, Dim and Night Mode display brightness• Easily configurable commissioning and working parameters• Setpoint limitations for users• BACnet MS/TP communication protocol (optional)• Internal Temperature Compensation Algorithm• Factory Reset function

1.4. Applications

The C35-VAV… was designed for the following VAV applications:• Single duct• Single duct with electric heater• Single duct and radiator• Single duct with heating and/or cooling coil

Pressure independent VAV applications:• Single duct with serial fan• Single duct with parallel fan• Single duct with serial fan and heating or cooling coil• Single duct with parallel fan and heating or cooling coil

1.5. Type Summary & Ordering Info

Product Summary

Inputs Outputs Built in Sensors Protocol Network Interface Enclosure color

0-10V Pt1000 Binary 3x0-10V Temp. Humidity CO2 BACnet RS485 Isolated rs-485

White Black

Option Codes

-H -C -B /RS /RS-G -BLK

C35-VAV √ √ √ √ √ O O O O O √ O

√ - AvailableO - Option

Ordering Code E.g. C35-VAV-C-B/RS-G

Naming Convention

1) Device 2) Application 3) Options 4) Network Interface 5) Enclosure color

C35 VAV C = CO2 sensor Isolated RS485 White

2. Before use or installation

It is strongly recommended that installation is performed by a qualified professional and that this user manual is read carefully prior to installation. Incorrect installation may result in malfunction, damaging the device or incorrect configuration. Please ensure you have the correct user manual for the firmware version as shown on the ‘About’ screen (see page 20). This manual was specifically written for Firmware Version C35-VAV 1.0.

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4. Mounting Diagram

Great care should be taken when mounting C35-VAV... to any surface. The unit has been designed to allow it to be connected or disconnected from the wall mount quickly and easily (Figure 5.3 on Page 9). Please ensure the unit is only connected to the wall mount once all construction has been completed and the surrounding environment is safe.

Ideal mounting conditions include inside facing walls which are in an open and central location of the unit’s area of operation.

Warning: In order to ensure accurate readings and correct operation, the unit should not be mounted in the following areas:• In direct sunlight• Closed spaces, for example, bookshelves or draws.• Behind doors or curtains• On sun facing walls• Areas where the unit could be exposed to water or condensation

(e.g. shower rooms or bathrooms)

See page 8 for mounting and page 31 for wiring instructions.

3. Device Overview

Figure 3.1.

130 cm

min. 20 cm

Figure 4.1. Suitable mounting locations

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5. Mounting Instructions

Component Listing:

Component Description Quantity

1 Codis 35 1

2 Wall mount bracket 1

3 Screws 4

4 Wall plug / screw anchor 2

Inspect your package to ensure all components are present and that the connection terminals meet the required specifications shown below. See Section 4 (page 7) for appropriate mounting locations.

Warning: Disconnect the power supply prior to commencing installation of the wall mount or any wiring.

1. Place the wall mount on the conduit box (ø 60.3mm) and insert two screws which are provided.

NOTE: Alternate screws with the parameters shown above (right) can be used.

2. Connect the wires from the conduit box wall mount terminals using the relevant wiring diagram on page 31.

Connection terminal wire specifications

Single stranded wire 0.2 … 1.5 mm2

Fine stranded wire 0.2 … 1 mm2

Captive screw M2

Screwdriver mm

Figure 5.1.

Figure 5.2.

IMPORTANT: Before proceeding to the next step, verify all connections are in the correct terminals and that the correct voltage is being provided.

3. Attach C35-VAV… to the wall mount by sliding the unit onto the mounting brackets as shown in the diagrams below. The unit will click into position. Turn on the power supply and the unit will automatically turn on.

4. To remove or detach device from the wall mount, press the release bracket on the bottom of the device and then pull the device upwards.

Warning: Ensure that the power supply has been switched prior to removing the device from the wall mount.

Figure 5.3.

Figure 5.4.

CODIS35v4.4WEIGHT:

SHEET 1 OF 1SCALE:1:5

DWG NO.

TITLE:

REVISIONDO NOT SCALE DRAWING

MATERIAL:

DATESIGNATURENAME

DEBUR AND BREAK SHARP EDGES

FINISH:UNLESS OTHERWISE SPECIFIED:DIMENSIONS ARE IN MILLIMETERSSURFACE FINISH:TOLERANCES: LINEAR: ANGULAR:

APPV'D

DETAIL A SCALE 2 : 1

CODIS35v4.4WEIGHT:

DWG NO.

TITLE:

MATERIAL:

DATESIGNATURENAME

APPV'D

10 C35-VAV 11C35-VAV

6. First Power Up and Commissioning

Once C35-VAV… has powered on a boot up screen will be displayed. The home screen, as shown on page 12 will appear once the device has finished booting up. The internal sensors require time to stabilize and power up. Only adjust offsets once the unit has had sufficient time (outlined below) to complete this process. Once the required time has elapsed compare sensors readings against a reference instrument. If required, the device can be calibrated using the Offsets menu instructions on page 25.

6.1. Temperature measurement

The C35-VAV… uses Internal Temperature Compensation (ITC) Algorithm to eliminate heat generated by internal electronic components. The ITC Algorithm requires up to 30 minutes to stabilize and achieve accurate temperature readings. Thermal resistance of surface on which the device is mounted will affect temperature readings.

6.2. Relative humidity measurement

Built-in humidity sensor (optional) utilizes temperature readings to calculate relative humidity. Allow 30 minutes for the device to calculate accurate readings of temperature and relative humidity prior to adjusting offsets.

NOTE: If offset is added to temperature readings it will affect relative humidity readings.

6.3. Carbon dioxide (CO2) measurement

The C35-VAV-C… uses Non-dispersive Infrared (NDIR) CO2 sensor to measure carbon dioxide concentration. The sensor uses automatic calibration procedure and it requires up to 7 days calibration. The calibration procedure keeps track of lowest CO2 concentration reading and uses that measurement as a default calibration point. The automatic calibration procedure is repeated on an ongoing (weekly) basis.

7. Touch screen operation and Maintenance

The C35-VAV… is primarily operated through its 3.5” resistive touch screen.

• The screen should not be operated with sharp objects which can scratch or damage the screen. • To clean the screen, simply wipe the front facing screen using a slightly damp cloth.

CAUTION: Do not expose the device’s vents to liquids and do not use any cleaning agents on the device as this may result in sensor malfunction or incorrect readings.

8. Definitions

Term Description

BACnet A communication protocol for Building Automation and Control Networks

C35-VAV… Configurable zone temperature, carbon dioxide and relative humidity controller for pressure depended or pressure independent VAV systems

Changeover Change from heating to cooling or vice versa

Control mode The method used (Heating/Cooling) to bring the controlled zone to the target temperature

Control sequence This parameter defines whether the HVAC system is capable of heating, cooling or heating and cooling, the controlled zone

CO2 Carbon dioxide (measured in ppm)

Cooling / Heating Setpoints The desired temperature range (°C)

Data Bus RS485 physical layer standard for data transition

ECM Electronically Commutated Motors. C35-VAV… is equipped with a 0-10v output for ECM fan control

HVAC Heating Ventilation & Air Conditioning

Kd Derivative gain for PID controller

Ki Integral gain for PID controller

Kp Proportional gain for PID controller

MS/TP Master-Slave Token Passing

Offset The manual adjustment required to calibrate the temperature, CO2 or relative humidity, as measured by the sensor

PID controller Proportional Integral Derivative controller

ppm Parts per million

% rh Relative humidity (%)

RTD Resistive Temperature Detector

Setpoints The target value in a closed-loop feedback system

VAV Variable Air Volume

10. Working and operating modes

Working and operating modes are switched sequentially by selecting the button on the home screen:

There are two main working modes (Manual Control and Scheduler) and three operating modes (Comfort, Economy and Standby). The device’s working and operating modes are shown on the home screen to notify users of the devices current status.

9. User Interface

9.1. Home Screen Overview

9.2. Navigation buttons

Below are the standard navigation buttons which appear on most settings screens.

6.1. 6.2. 6.3. 6.4.

12 11 10

1 2 3 4 1

1. Back and Next: Each screen will offer a “Back” or “Next” button. These can be used to navigate menus with more than one screen.

2. Home: Pressing the “Home” button will take you directly to the home screen.3. Previous Screen: Each screen will offer a “Previous” or button. This will take you to the

previous main menu selection. 4. Save: Once a parameter value has been adjusted or modified in the parameter screen, a

“Save” button will appear allowing users to save their changes. If the “Save” button is not selected prior to changing screens, any changes will not be saved and the original values will be retained.

1. Current operating mode (Comfort, Economy, Standby)2. Current working mode (Manual, Scheduler) or bypass status (Windows Open, Occupied

mode timer)3. Current CO2 level (ppm) for devices with built in CO2 sensors or if external sensor is

connected 4. Operating and working mode change5. Increase or decrease setpoints6. Select which setpoint to adjust in Comfort mode or activate/deactivate Occupied mode in

Economy and Standby modes:6.1. Temperature (°C)6.2. CO2 (ppm)6.3. Relative humidity (% rh)6.4. Occupied mode button

7. Menu button8. Current relative humidity (% rh) (optional)9. Current temperature (°C) as measured by internal sensor or remote sensor 10. Indicates Heating mode is active11. Indicates Cooling mode is active12. Indicates Occupied mode is active13. Date and time

5 6 5 74

Comfort modeManual control

Economy modeManual control

Comfort / Economy / Standby modeFollowing scheduler

Standby modeManual control

This mode prioritises lower energy consumption and it is recommended that Economy mode is only activated when the controlled zone is unoccupied.

Depending on the setpoint range, Economy mode can significantly decrease HVAC energy consumption and operating costs.

Economy mode can be activated manually using the button, by the scheduler or by presence sensor.

Users will not be able to adjust any setpoints from the Homescreen unless Occupied mode is activated from the homescreen.

The setpoints for economy mode can be adjusted in the setpoints menu.

10.2. Economy mode10.1. Comfort mode

This mode prioritises user comfort and it is recommended that Comfort mode is activated only when the controlled zone is occupied.

Comfort mode can be activated manually or by the scheduler and, in short term applications, with the Occupied button .

In this mode, users are able to adjust setpoints on the homescreen and in the setpoints menu.

Changes on the homescreen will be saved automatically in the setpoints menu.

A. Comroft mode with manual control A. Economy mode with manual control

B. Comfort mode activated by scheduler B. Economy mode activated by scheduler

C. Economy mode activated by presence sensorC. Comoft mode activated through Ocupied mode function

10.3. Standby mode

This mode is meant to be used for zones which are unoccupied for extended periods of time.

Standby mode effectively turns off the HVAC system unless the system detects a value below (5-10°c) or above (45°c). If C35-VAV... detects that a set point is exceeded, the HVAC system will be activated to protect the controlled environment and to ensure the temperature, CO2 or relative humidity remains within the desired setpoint range.

Similarly to Economy mode, users will not be able to adjust any setpoints from the Homescreen unless Occupied mode is activated (see below).

Standby mode can be activated manually using the button or with the Scheduler. Standby mode will be activated if a window contact switch is connected and a Window is open (optional).

NOTE: In Standby mode the display will be turned off after 5 minutes

A. Standby mode with manual control

B. Standby mode activated by scheduler

C. Standby mode activated by Window contact (if enabled in parameters)

10.4. Scheduler

The week long scheduler allows users to set up to four presets for the week where the working modes start and end at specific times. The device will automatically manage the HVAC system to regulate temperature within the specific setpoints for each scheduled working mode (Comfort, Economy and Standby). See page 17 for Scheduler setup.

10.5. Occupied mode

Occupied mode can override Economy or Standby mode to bring the controlled environment to a comfortable setting with the single touch of the Occupied button on the home screen. In these modes, the Occupied button will appear at the bottom of the home screen. When Occupied mode is activated, the system will operate in Comfort mode and a countdown timer will appear on the home screen. The default Occupied timer is set to 1 hour. The duration can be adjusted in the Parameters menu (see page 22). Users will be able to adjust the comfort set points ±3°c from the standard value for the duration of the override. By pressing the Occupied button again Occupied mode will be deactivate and it will return to previous operating mode.

11. Main menu and settings

Select the button on the home screen to enter the Settings menu, shown right.

11.1. Home > Menu

11.2. Scheduler

Select the on Menu screen. The Scheduler screen will show the unit’s week long schedule. Pressing the button below each corresponding day will cycle through the desired daily profiles (Workday, Weekend, Holiday and Custom). Press the button to save the changes.

Step by step instructions:1. Click the button to create new timer.2. Touch the timetable legend or timer array to select the desired working mode (Comfort,

Economy, Standby).3. Using the +/- buttons, adjust the start time of the operating mode. 4. Repeat this process for each entry until the whole day has been configured. 5. To edit specific enties, select the entry on the timetable on the 24 hour timetable or by

pressing the button.6. Press the button to delete entries in the timetable. 7. Once all the required entries have been made, press “Save” to save the changes to the daily profile.

The setpoints for heating, cooling, air quality and relative humidity can be adjusted in the Setpoint menu for each operating mode (Comfort, Economy, and Standby).

These setpoints will be used by the scheduler or when a mode is manually activated. To adjust the setpoints for each operating mode, enter the relevant screen and increase or decrease the desired setpoints using the +/- buttons. (The setpoints for comfort mode can also be adjusted using the increase/decrease buttons on the home screen). Once the required adjustments have been made, select to save your changes.

11.3. Setpoints

Configuring Daily ScedulesOnce the week long schedule has been set, the daily profiles can be input by pressing one of four preset profiles: Workday, Weekend, Custom, Holiday.

A 0-24 hour timetable will appear (Figure 11.3).

Select the button on Menu screen to enter the Date / Time Menu. Select the EDIT from the options to change the time, date or format. Once the correct time and date has been set using the time buttons -/+, press the button to save the changes.

11.5. Date and Time settings

Select the button on Menu screen to enter the Display Menu.

Brightness: Select EDIT from the options to change the display brightness (%).

Turn Off Display: Select EDIT from the options to enable the screen to turn off after 5, 15, 30 minutes or never.

Dim Display: Select EDIT from the options to enable the screen to dim brighntes after 5, 15, 30 minutes or never.

Night Mode: Night mode aims to reduce eye strain in dark settings. If enabled, screen brightness will decreased to minimal level between the start and stop time. Enable or disable Night Mode, using the On/Off button. The timer can be set by using the +/- buttons.Press the button to save any changes.

11.4. Display

Note: For all other control sequence options, this button will be disabled and it will only serve as indicator for heating , cooling or ventilation mode.

Once the desired setting has been selected, press the button to save the changes.

Manual changover from heating to colling and vice versa can be done by presing the Heating or Cooling button on the Menu screen. Manual changover is only posible when “Cooling or heating” is selected as Control seqence in Parameters (see page 22) and when Sensor function in In/Out menu is not defined as Changover (see page 26).

Select the (sound on) or (sound off) button on Menu screen to turn the unit’s keytone speaker on or off. Press the button to save any changes.

Enter the About menu to see firmware version.

11.6. Heating / Cooling (Manual Changeover)

11.7. Sound On / Off

11.8. About

MS/TP MAC: The unique MAC address which can have a value between 0-127 on the local MS/TP data bus.

Max Master: The highest MAC address used by BACnet devices in the local MS/TP databus (limited to 127). For optimal network performance, limit the Max Master value to the total number of devices on the data bus.

Max Info Frames: The maxium number of requests a device is able to send over the local network. For optimal network performance, this value should be set to 1.

Baud Rate: The baud rate setting determines the rate at which data is sent on the data bus. The maximum value will be determined or limited by the quality of cabling between the two furthest devices on the network.

Note: All devices must be set on the same baud rate. The available options are:• 9600• 19200• 38400• 57600• 76800 (Default Value)

Once the desired settings have been selected, press the button to save any changes.

12.1. Network

Enter the advanced settings menu. Select the “Parameter” button to enter the specific parameters of the system onto the device.

Note: You will be prompted for a pass code prior to entering the advanced menu. Enter the passcode to proceed to the advanced menu. Note: The default password is “0000”.

12. Advanced Menu

NOTE: BACnet and network settings should be configured by qualified profesionals

Device name: The device name that will be used on the BACnet network.

Device ID: A unique BACnet device number which can have a value between 0 to HEX 3FFFFF that will be used for device’s identification on the different network protocols within the BACnet network.

To set a lock password to limit access to the unit’s home screen, select the button on the home screen to enter the Settings menu. Select “Advanced” and then “Security”.

To activate a user password on the home screen press the “Lock Home Screen” button so that its status is “ON”. Select the “User password” button from the options screen and then input a password using the keypad. Once a 4 digit password has been set, press the “OK” button.

Return to Home screen: When this function is enabled, the device will return to the home screen automatically from any menu screen after 1 minute of inactivity.

Note: The default Admin password (0000) can be used to bypass the user password.

12.2. Security

12.3.4. Dehumidification

12.3.5. Occupied Mode Timer

12.3.2. Cooling / Heating Coil

12.3.3. Fan Operating Mode

If there are optional heat exchangers or modulating electric heaters, it is necessary to enable the analog output signal for the valve(s) through the “Cooling / Heating Coil” parameter.

A fan can be placed in series or in parallel with a VAV box. The “Fan operating mode” parameter is off by default. The parameter can be set to “Series” or “Parallel” depending on the configuration.

Series: If the fan is configured in series, the VAV damper actuator and fan are controlled according to temperature or air quality demand. The fan maximum and minimum speed can be adjusted in Parameters [5 / 5] Fan AQ PID and ECM voltage).

Parallel without heat exchanger: If the fan is configured in parallel, then the fan is used to recirculate warmer ceiling air. The parallel fan operates only when Heating is active and according to the ambient temperature (the lower the ambient temperature, the higher the fan speed).

Parallel with heat exchanger: VAV damper actuator will be controlled according to air quality demand. The fan and heat exchange valve will be controlled according to room air temperature.

C35-VAV... can be configured to dehumidify a controlled zone with the dehumidification parameter. The options are:

Enabled - The following system configuration is required to enable dehumidification:• Control sequence is set to “Cooling” or “Cooling and Heating”.• “Cooling / Heating coil” parameter is enabled.• The unit or system has a built in relative humidity sensor. (optional)

While operating in cooling mode, the valve of the heat exchanger will control relative humidity in line with each working modes humidity setpoints. (See page 18, Setpoints).

Disabled - Dehumidification will be disabled. Select to save your changes.

The default duration for the occupancy timer is 60 minutes. To adjust the occupancy timer duration, enter screen 01/05 of the parameters menu and increase or decrease the number of minutes using the +/- buttons. Select to save your changes.

12.3.1. Control Sequence

12.3. Parameters [1 / 5] Main Configuration 12.4. Parameters [2…5 / 5] VAV voltage, VAV PID and ECM parameters

12.4.1. VAV voltage output To change analog output (AO1) voltage range from 0-10 V to 2 – 10 V and vice versa press the VAV voltage output button. Select to save your changes.

The control sequence defines whether the controlled system is capable of heating, cooling or ventilating the zone. Select the desired control sequence by pressing the button next to “Control sequence“. The options are:• Heating only • Cooling only • Cooling or heating • Cooling and heating • Ventilation

12.4.2. Parameters [2..5 / 5] PID settings and ECM

The Proportional-Integral-Derivative controller (PID controller) calculates a difference between measured values and set points. The PID controller minimizes the difference between those values by adjusting openness of the valves, damper actuator or fan speed. Adjust PID gains according to each project’s specifications. The default values may not be suitable for all applications.

Tuning a PID controller involves setting values of Proportional gain (Kp), Integral gain (Ki) or Derivative gain (Kd) parameter values. If two-term (PI) or one-term (P) control is needed adjust unnecessary values to zero.

The C35-VAV… uses 6 PID controls. The PID controller parameters can be adjusted for the following functions:• VAV temperature [2/5]• VAV Air quality [3/5]• Valve [3/5]• Dehumidification [4/5]• Fan Temperature [4/5]• Fan Air Quality [5/5]

Adjustments can be made using the +/- buttons. Once the required adjustments have been made, select on each screen to save your changes.

The analog output signal for the EC motor can be configured with three parameters:• “ECM Min Off voltage”: If this value is different from zero volts, adjust the ECM OFF voltage

to value that will turn off the ECM fan. • “ECM MIN voltage”: Defines the minimum signal value and the minimum speed of the fan

(5 %). • “ECM MAX voltage”: Defines the maximum signal value and the maximum speed of the

fan (100 %).

Adjustments can be made using the +/- buttons. Once the required adjustments have been made, select to save your changes.

The C35-VAV… can be calibrated by adjusting the offset values on the device. Adjust offset values for each sensor using the +/- buttons.

Select to save your changes. Once the button has been pressed, the temperature will be updated to reflect the input of the offset value.

12.5. Offsets

NOTE: Ensure all sensors have had sufficient time to power up and stabilize prior to entering offset values. For more information see, “First Power Up an Commissioning”

Setpoint limits are defined in the “SP limits” menu. Limits can be set for temperature, air quality, and relative humidity in heating and cooling control modes and for all operating modes. Once setpoint limits have been defined, users will not be able to adjust setpoints outside the defined limits.

Adjust the limits for each setpoint on screens 1 to 4 using the +/- buttons. Select to save your changes.

Select the “Language” button on Advanced menu screen. Select the desired language from the available options and then press the “Save” button to save the changes.

12.6. Setpoint Limits

12.7. Language

The AI1 analog input parameter allows the following sensors to be connected and enabled in In/Out menu:• VAV actuator position

signal• Remote CO2 sensor• Disabled (default)

Select to save your changes.

13. Input/Output Menu

13.1. Analog input (AI1)

The remote sensor can be activated by selecting “Remote sensor” from the available ‘Sensor function’ parameter options. Once selected, the Remote sensor parameter will appear. Select to save your changes.

The Floor heating sensor function requires floor temperature sensor to be connected and enabled in settings. Enable floor sensor by selecting Floor sensor from the available “Sensor function” parameter options. Select to save your changes.

Max Floor Temperature: If the floor sensor parameter is enabled, a “Max floor temperature” parameter will appear at the bottom of In/Out screen 1/2. Adjust maximum floor temperature by using the +/- buttons. Select to save your changes.

13.4. Temperature sensor

Users can define how temperature readings will be displayed by pressing the button next to “Temperature Sensor“. The options are:• Internal: The temperature as measured by the device’s inbuilt sensor.• Remote: If a remote sensor is connected, the temperature as measured by the remote

sensor.• Min, Max, Average: If a remote sensor is connected, the measured temperature can be a

calculated using minimum, maximum or average reading of the two sensors.

13.3.3. Floor sensor

13.2. Binary input (BIN1)

If a window contact swich or presence sensor is connected to binary input (BIN1) change Binary input parameter from “Disabled” to “Window contact” or “Presence sensor”.If the “Window contact” parameter is selected and window’s contact switch is triggered by an open window, then the system will go into standby mode to save energy. The operating status on the home screen will state “Standby - Window is Open” to notify users. Once the window has been closed, the system will resume normal operation.If the “Presence sensor” parameter is selected and presence sensor is not detecting any presence the system will go from “Comfortable mode” to “Economy mode”. The operating status on home screen will state “Economy mode – No presence detected”. Once the presence is detected the system will resume to “Comfortable mode”.

The contact polarity can be reversed by selecting the Binary input polarity “Normally open” or “Normally closed”.

13.3. Sensor Function

The analog RTD sensor (PT1000) parameter has the following available options if the sensor is connected to the device’s RTD input:• Disabled (Default value, an external sensor is connected but has not been enabled)• Changeover sensor• Remote sensor (Temperature only)• Floor sensor

If a sensor is not connected or a sensor with different resistance to that of a PT1000 is connected, a message “Not connected” will be shown instead.

A changeover sensor allows the system to automatically switch between heating and cooling mode (or vice versa) using the “Sensor function” parameter on Screen 1/2 of the Input / Output menu. If the sensor function parameter is set to “Changeover”, the device will automatically change from heating or cooling as required. Changeover will be determined by the temperature in the duct or pipe. If the temperature in the duct or pipe is above 28°C the control mode will change to heating or if the temperature is below 18°C the control mode will be changed to cooling. Select to save your changes.

13.3.1. Change Over

13.3.2. Remote sensor

13.5. Values

Screen [2 / 2] of the In/Out menu summarizes all of the values and states of the device’s inputs and outputs. These values are refreshed every second.

14.1. VAV systems without ECM fan

14. Variable Air Volume applications using C35-VAV

D - Damper actuator 0 - 10 VT1 - Remote temperature sensor Pt1000Q1 - Remote air quality sensor 0 – 10 V

Main configurationControl sequence: Heating only

Cooling onlyCooling or heating Ventilation

Cooling/heating coil: DisabledFan operating mode: OffDehumidification: Disabled

14.1.1. Single duct

D - Damper actuator 0 - 10 VT1 - Remote temperature sensor Pt1000E1 - Modulating electric heater 0 – 10 VQ1 - Remote air quality sensor 0 – 10 V

Cooling and heatingCooling/heating coil: EnabledFan operating mode: OffDehumidification: Disabled

D - Damper actuator 0 – 10 VV1 - Valve actuator 0 – 10 VT1 - Changeover sensor or remote temperature sensor Pt1000Q1 - Remote air quality sensor 0 – 10 V

Cooling onlyCooling or heating

Cooling/heating coil: EnabledFan operating mode: OffDehumidification: Disabled

Enabled (if cooling)

D - Damper actuator 0 – 10 VV1 - Valve actuator 0 – 10 V (heating)V2 - Valve actuator 0 – 10 V (cooling)T1 - Remote temperature sensor Pt1000Q1 - Remote air quality sensor 0 – 10 V (0 – 2000ppm)

Main configurationControl sequence: Cooling and heatingCooling/heating coil: EnabledFan operating mode: OffDehumidification: Disabled

Enabled

D - Damper actuator 0 – 10 VV1 - Valve actuator 0 – 10 VT1 - Remote temperature sensor Pt1000Q1 - Remote air quality sensor 0 – 10 V (0 – 2000ppm)

Cooling and heatingCooling/heating coil: EnabledFan operating mode: OffDehumidification: Disabled

14.1.2. Single duct with electric heater

D - Damper actuator 0 – 10 VV1 - Valve actuator 0 – 10 VT1 - Floor temperature sensor Pt1000Q1 - Remote air quality sensor 0 – 10 V (0 – 2000ppm)

Main configuration

Control sequence: Heating only Cooling and heating

Cooling/heating coil: EnabledFan operating mode: OffDehumidification: Disabled

14.1.3. Single duct with heating or cooling coil

14.1.4. Single duct with heating and cooling coils

14.1.6. Single duct with floor heating

14.2. VAV systems with ECM Fan

D - Damper actuator 0 – 10 VM1 - ECM Fan 0 – 10VT1 - Remote temperature sensor Pt1000Q1 - Remote air quality sensor 0 – 10V (0 – 2000ppm)

Cooling onlyCooling or heatingVentilation

Cooling/heating coil: DisabledFan operating mode: SerialDehumidification: Disabled

D - Damper actuator 0 – 10 VM1 - ECM Fan 0 – 10VT1 - Remote temperature sensor Pt1000Q1 - Remote air quality sensor 0 – 10V (0 – 2000ppm)

Cooling/heating coil: DisabledFan operating mode: Parallel

D - Damper actuator 0 – 10 VM1 - ECM Fan 0 – 10 VV1 - Valve actuator 0 – 10 VT1 - Remote temperature or change over sensor Pt1000Q1 - Remote air quality sensor 0 – 10 V (0 – 2000ppm)

Cooling/heating coil: EnabledFan operating mode: SerialDehumidification: Disabled

14.2.1. Single duct with serial fan

14.2.2. Single duct with parallel fan

14.1.5. Single duct with radiator heating

14.2.3. Single duct with serial fan and heating or cooling coil

D - Damper actuator 0 – 10 VM1 - ECM Fan 0 – 10 VV1 - Valve actuator 0 – 10 VT1 - Remote temperature or change over sensor Pt1000Q1 - Remote air quality sensor 0 – 10 V (0 – 2000ppm)

Cooling onlyCooling or heating

Cooling/heating coil: EnabledFan operating mode: SerialDehumidification: Disabled

14.2.4. Single duct with parallel fan and heating or cooling coil

15. Connection terminals

Figure 15.1.

16. Connection diagrams

C35-VAV and VAV damper actuator

D1 - Zone controller C35-VAV…V1 - Damper actuator with feedback signalS1 - Switch for window contact or presence sensorT1 - Changover or remote RTD sensor (Pt1000)

C35-VAV with VAV damper actuator and auxiliary electric heater

D1 - Zone controller C35-VAV…V1 - Damper actuatorE1 - Modulating electric heater (DC 0...10V)S1 - Switch for window contact or presence sensorQ1 - Remote air quality sensor (DC 0...10V)T1 - Changover or remote RTD sensor (Pt1000)

C35-VAV with VAV damper actuator and heating and cooling coils

D1 - Zone controller C35-VAV…V1 - Damper actuator with feedback signalV2 - Valve actuator (DC 0...10V) - heatingV3 - Valve actuator (DC 0...10V) - coolingS1 - Switch for window contact or presence sensorC1 - BACnet MS/TP bus connection

C35-VAV with VAV damper actuator, heating or cooling coil and ECM fan

D1 - Zone controller C35-VAV…V1 - Damper actuator with feedback signalV2 - Valve actuator (DC 0...10V) - heating/coolingM1 - EC motor fanS1 - Switch for window contact or presence sensorC1 - BACnet MS/TP bus connection

C35-VAV

G0 Power supply voltage groundG Power supply voltage 24 V ACD- RS485 data –D+ RS485 data +SC RS485 isolated ground or cable shield connectionAI Analog input 1 DC 0-10V (1mA)M

(Pin 1) (Pin 2) (Pin 3) (Pin 4) (Pin 5) (Pin 6) (Pin 7) Analog input 1 ground reference

RTD (Pin 8,9) Analog input for RTD room temperature sensor, changeover sensor or floor sensor (Pt1000)BIN (Pin 16, 17) Input for potential-free switch (window, presence sensor or dew point sensor)AO1 (Pin 15) Analog output 1, DC 0-10V (1mA) for damper actuatorM1 (Pin 14) Ground reference for analog output 1AO2 (Pin 13) Analog output 2, DC 0-10V (1mA) for valve actuator (heating/cooling for 2-pipe systems;

heating for 4-pipe system) or auxiliary modulating electric heaterM2 (Pin 12) Ground reference for analog output 2AO3 (Pin 11) Analog output 3, DC 0-10V (1mA) for valve actuator (cooling, 4-pipe systems) or ECM fan

(pressure independent systems)M3 (Pin 10) Ground reference for analog output 3

17.2. Termination jumper

Position of the termination jumper is shown in the figure below. The termination jumper should be connected on the first and last device on data bus segment. When the jumper is connected termination is enabled and a 120Ω resistor is connected between RS-485 nodes. When the jumper is removed the termination of the cable is disabled.

17. BACnet MS/TP network recommendations

17.1. Wiring and topology

BACnet wiring requirements

• Use Shielded Twisted Pair cable (0.2 mm2).• Maximum cable length for a data bus segment must not exceed 1200 m.• Only a daisy-chained data bus topology as shown in drawing is acceptable.• Connect cable shields together. Connect cable shield to the Protective Earth (PE) at one

point only.• Connect termination jumper on the first and last device on the data bus (see below).• Maintain same polarity between devices on a single power supply.

17.3. Maximum number of devices on data bus

The C35-VAV-…-B/RS is categorized as BACnet MS/TP Master device. The maximum number of Master devices supported by BACnet MS/TP on one data bus segment is 128. However, it is recommended that no more than 50 devices are connected to one data bus segment. A BACnet router device should be used for projects where more data bus segments need to be connected, shown below.

17.4. Isolated RS485

Devices with RS-485 with galvanic isolation are marked with suffix /RS-G. Galvanic isolation is required if there is no guarantee that the potentials at the earth grounds of different nodes in the system are within the common-mode range of the receiver. The benefits of galvanic isolation extend beyond safety and protection from dangerous voltages. They also provide error-free communication in the presence of high edge rate transients, noise and high common mode voltage that would otherwise render a non-isolated network inoperative.

18. Technical data C35

Power supply Nominal voltage SELV 24 V AC /DC

Consumption 2.1 W

Analog Inputs Voltage inputs 0 … 10 V DC (max 1 mA)

Resolution 10 mV

Accuracy ± 0.9 % (full scale)

Resistive input (PT1000) 803 … 1480 Ω (-50 … 125 °C)

Resolution 0.385 Ω (0.1 °C)

Accuracy ± 1.54 Ω (± 0.5 °C)

Binary Input Voltage free contact Selectable (NO/NC)

Analog Outputs Voltage outputs 0 … 10 V DC (1 mA)

Resolution 10 mV

Accuracy ± 1.54 Ω (± 0.5 °C)

Temperature sensor Type Silicon Band gap

Resolution 0.0625 °C

Accuracy ± 0.5 °C (max) - 20 °C to + 100 °C

Humidity sensor Type Capacitive

Range 0-100 % rH from -40 °C to 75 °C

Accuracy ± 2% at 25°C

CO2 sensor Sensing method NDIR

Measuring range 400 … 10,000 ppm

Accuracy ± 50 ppm ± 3 % of measured value

Step response time (90%) 3 minutes

Sampling intervals 5 seconds

Warming-up time 3 minutes

Calibration time 7 Days

Display Type Graphical TFT LCD

Touchscreen type Resistive / single touch

Size 3.5 inch (diagonal)

Resolution 320 x 240 pixel

Color depth 16 bit

Real time clock Battery ON time Rechargeable

RS485 Bitrate 250 kbps (up to 2000 m)

Isolation Galvanic (optional)

Termination 120 Ω (jumper selectable)

Wi-Fi Protocol 802.11 b/g

Bitrate 1 – 54 Mbit/s

Frequency 2.4 GHz ISM band

Security WEP / WPA / WPA2

Connection terminals Single stranded wire 0.2 … 1.5 mm2

Fine stranded wire 0.2 … 1 mm2

Captive screw M2

Screwdriver Flat-bladed 0.5 x 2.5 mm

Degree of protection Enclosure IP20

Against electric shock class III

Ambient temperatures Operation + 5 °C to + 40 °C

Transport and storage - 20 °C to + 65 °C

Weight With package/without package

180 g / 150 g (max)

Dimensions (mm)

Directives

conformity

EMC directive 2004/180/EC

Low voltage directive 2006/95/EC

RoHS 2011/65/EU (RoHS 2)

Standards Automatic electrical controls for household and similar use

EN60730-1

Electromagnetic Compatibility (EMC)

Emission standard for residential, commercial and light industrial environments

EN 61000-6-3:2007

Immunity for industrial environments

EN61000-6-2:2005

Disposal This device is classified as waste electronic equipment under European Directive2002/96/EC (WEEE) and may not be disposed of as unsorted municipal waste.Adhere to all relevant national laws.

19. Trouble shooting guide

Symptom Diagnostic Test Cause Solution

Home screen temperature reading is incorrect.

Confirm room temperature using a thermometer.

Codis has not had enough time to power up and stabilize.

After resetting the device, wait 30 minutes prior to adjusting parameters.

The device has not been calibrated.

Calculate and input the tem-perature offsets. See Page 25.

Unit has not been mounted correctly resulting in uncharacteristic temperatures.

Remount device in a suitable mounting location and follow mounting instructions. See page 7 and 8.

Incompatible remote sensor has been connected.

Only use the PT1000 resistive temperature sensor.

The device is not mounted properly.

Ensure the device has clicked into place on the wall mount. See page 9.

CO2 sensor reading is incorrect.

Compare measurements against a reference instrument.

Codis has not had enough time to power up and stabilize.

Read chapter First start up and Commissioning.

Relative humidity reading is incorrect.

The device has not been calibrated.

Calculate and input the offsets. See Page 25.

Display is not ON or the device appears to be OFF.

Touch the screen, the device should awaken upon contact, if not:

The connecting pins have been damaged during installation.

Ensure none of the connector pins are bent. If required, gently realign any bent pins.

The device is not mounted properly.

Ensure the device has clicked into place on the wall mount. See page 9.

The device’s wiring has not been installed correctly.

Install the device in line with the wiring diagrams on page 31.

Display’s touch screen is not responding to touch or it is responding incorrectly.

Touch the screen to see if there is a response.

A pressure has already been applied on touchscreen surface.

Check the perimeter of the display and remove any dust or dirt.

If the pressure has been applied at one place but the graphic response is on other part of the screen recalibration of the touchscreen is required.

For recalibration of touch screen please read chapter Calibration of touch screen on page 40.

Display brightness is low. Touch the screen to see if the brightness will increase.

If brightness increases after the display has been touched the Dim display setting is turned on.

Change “Dim” display settings in Display menu. (page 19).

If brightness don’t increases after the display has been touched the Night mode setting is turned on.

Change the “Night mode” start and stop time or turn off this option in the display menu (page 19).

Scheduler is not working properly

Set new timers and test the scheduler. The home screen should respond in line with the set timetable.

Time and or Date have not been set correctly.

Enter the correct date and time in the Date Time menu. (Page 19).

When device is following scheduler it is always in standby mode

The scheduler timer presets have not been configured.

Enter new timers in scheduler presets.

System is not heating or cooling to the desired set point.

Check the home screen status bar to ensure the correct control sequence icon: (heating) or (cooling), is present.

The unit is set to manual changeover and is in the incorrect control mode

Enter the Menu and press the (heating) or (cooling) button for manual changeover.

Manual changeover can’t be performed from the settings menu.

Check if the (heating) or (cooling) button is unavailable (dimmed button).

Manual changeover is disabled. Manual changeover is only possible when Control sequence is set to “Heating or Cooling” and if Sensor function in In/Out menu is not set to “Changeover”.

Change the Sensor function in In/Out menu or Control sequence in Advanced Parameters.

Sensor function in In/Out menu can’t be changed.

Check if the message on the button is “Not connected”.

If the PT1000 sensor is not connected to RTD terminals or if the resistance of connected element is less than 780Ω and more than 1500Ω then the Sensor function parameter will be unavailable.

Connect the correct RTD sensor (PT1000) to RTD terminals.

Setpoint buttons are not shown on the Home screen.

Check if the device is in Economy or Standby mode by reading the status on screen.

Setpoints in these modes can only be adjusted in the setpoints menu.

Change the Operating mode with button or bypass to Comfort mode by activating Occupied mode function with button.

System is not heating or cooling and only the Menu button is shown on the Home screen.

Check if “Window is open” message is shown on the display and if any window in the room is open.

The device has detected that a window is open .

Device will exit bypass mode when the window is closed.

“Window is open” message is shown on the display and all windows are closed.

Close or open the window to see if the device will change operating mode.

Polarity of the window contact is not correct.

Change the Window contact polarity in In/Out menu.

The device does not communicate over the BACnet MS/TP network.

Inspect wires and wall mounts for signs of damage.

Disconnected/broken/ damaged wire.

Repair or install new wiring where necessary.

Count the number of devices on the network segment

The maximum number of devices on a network segment has been exceeded.

Install a BACnet router to extend the BACnet data bus network.

20. Device Reset

In the event C35-VAV becomes inoperative, the device can be reset using the manual reset switch which is located on the bottom right hand corner of the device. Gently insert a thin object into the opening. The device should reboot through the normal boot menu. Note: Do not touch the display during the boot menu to avoid inadvertently performing a factory reset.

Figure 20.1.

Check the device ID in the network settings menu.

Two or more devices have the same device ID .

Assign unique ID to every device on network.

Check the MAC address in the network settings menu.

Two or more devices have the same MAC address.

Assign unique MAC address to every device on data bus.

Check the Baud rate in the network settings menu.

The correct baud rate has not been configured.

Set the same baud rate to all devices on data bus.

Check the connection terminals on the wall mount.

BACnet data bus polarity has been incorrectly connected .

Rewire the D+ and D- signal wires to correct polarity.

Check the Max Master parameter in the network settings menu.

The Max Master parameter has been incorrectly configured.

Set the Max Master to highest MAC address used on data bus.

Measure the power supply voltage on device terminals.

Incorrect voltage is being supplied to the device.

Connect correct voltage to device.

Check if cable termination is enabled on first and last device on the data bus.

Incorrect signal levels are being received by the data bus.

Enable termination by connecting termination jumper on first and last device on data bus.

Check if all devices are connected in daisy-chain topology .

The network has not been correctly wired.

Connect all devices only in daisy-chain topology.

Determine the cable length for furthest device.

Network cable length is too long.

Ensure the total wire length for the furthest device does not exceed 1200 meters.

CODIS35v4.4WEIGHT:

DWG NO.

TITLE:

MATERIAL:

DATESIGNATURENAME

APPV'D

CODIS35v4.4WEIGHT:

DWG NO.

TITLE:

MATERIAL:

DATESIGNATURENAME

APPV'D

21. Factory reset

Caution: All stored data will be deleted. This should only be used in situations where all parameters need to be reset to their default values.

The C35-VAV has factory default function built into the boot menu. To perform a factory reset:1. Reset the device by following procedure described in chapter Device reset2. When the device enters the boot menu, touch and hold the screen when it boot

status reaches the “Press to reset all parameters” section.3. The device will boot up with all the default parameters.

NOTE: As the device has been reset to factory settings, please follow the first boot up and commissioning instructions (page 10).

22. Calibration of resistive touchscreen

The resistive touchscreen has been calibrated during the production process. In the unlikely event the touchscreen needs to be recalibrated please follow these steps:• Reset the device by following procedure described in chapter Device reset• When the device enters the boot menu, touch and hold the screen when it boot

status reaches the “Touch screen (press to calibrate)…”• Press and hold the screen until the calibration procedure begins

Follow the instructions on the screen.

23. BACnet Protocol Implementation Conformance Statement

BACnet Protocol Implementation Conformance Statement

- PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (NORMATIVE) (This annex is part of this Standard and is required for its use.)

Date: May 2, 2014 Vendor Name: KOER by Klimaoprema d.d. Product Name: C35-VAV...Product Model Number: C35-VAV-…-B/RS(-G)Application Software Version: unknown Firmware Revision: unknown BACnet Protocol Revision: 14

Product Description: C35-VAV is a configurable zone temperature and air quality controller for pressure depended or pressure independent VAV systems.

BACnet Standardized Device Profile (Annex L): BACnet Operator Workstation (B-OWS) BACnet Advanced Operator Workstation (B-AWS) BACnet Operator Display (B-OD) BACnet Building Controller (B-BC) BACnet Advanced Application Controller (B-AAC) BACnet Application Specific Controller (B-ASC) BACnet Smart Sensor (B-SS) BACnet Smart Actuator (B-SA)

ANNEX A

List all BACnet Interoperability Building Blocks Supported (Annex K):

BIBB Service

DS-RP-B Data Sharing - Read Property-B

DS-RPM-B Data Sharing - Read Property Multiple-B

DS-WP-B Data Sharing - Write Property-B

DM-DDB-B Dynamic Device Binding

DM-DOB-B Dynamic Object Binding

Segmentation Capability: Able to transmit segmented messages Window Size _____ Able to receive segmented messages Window Size _____

Standard Object Types Supported:

An object type is supported if it may be present in the device. For each standard Object Type supported provides the following data: 1. Whether objects of this type are dynamically creatable using the Create Object

service 2. Whether objects of this type are dynamically deletable using the Delete Object

service 3. List of the optional properties supported 4. List of all properties that are writable where not otherwise required by this standard 5. List of proprietary properties and for each its property identifier, data type, and

meaning 6. List of any property range restrictions

Object Supported Object Dynamically Creatable

Object Dynamically Deletable

ACCUMULATOR N N N

ANALOG INPUT Y N N

ANALOG_OUTPUT Y N N

ANALOG_VALUE Y N N

AVERAGING N N N

BINARY_INPUT Y N N

BINARY_OUTPUT Y N N

BINARY_VALUE Y N N

CALENDAR N N N

COMMAND Y N N

DEVICE Y N N

EVENT_ENROLLMENT

FILE Y N N

GROUP N N N

LOOP N N N

LIFE_SAFETY_DEVICE

LIFE_SAFETY_ZONE N N N

MULTISTATE_INPUT Y N N

MULTISTATE_OUTPUT

MULTISTATE_VALUE Y N N

NOTIFICATION_CLASS

PROGRAM Y N N

PULSE CONVERTER N N N

SCHEDULE Y N N

TRENDLOG N N N

Data Link Layer Options: BACnet IP, (Annex J) BACnet IP, (Annex J), Foreign Device SO 8802-3, Ethernet (Clause 7) ATA 878.1, 2.5 Mb.ARCNET (Clause 8) ATA 878.1, EIA-485 ARCNET (Clause 8), baud rate(s) ____________ MS/TP master (Clause 9), baud rate(s): 4800, 9600, 19200, 38400, 57600, 76800 MS/TP slave (Clause 9), baud rate(s): Point-To-Point, EIA 232 (Clause 10), baud rate(s): Point-To-Point, modem, (Clause 10), baud rate(s): LonTalk, (Clause 11), medium: __________ BACnet/ZigBee (ANNEX O) Other:

Device Address Binding: Is static device binding supported? (This is currently necessary for two-way communication with MS/TP slaves and certain other devices.) Yes No

Networking Options: Router, Clause 6 - List all routing configurations, e.g., ARCNET-Ethernet,

Ethernet-MS/TP, etc. Annex H, BACnet Tunneling Router over IP BACnet/IP Broadcast Management Device (BBMD)

Does the BBMD support registrations by Foreign Devices? Yes No

Does the BBMD support network address translation? Yes No

Network Security Options: Non-secure Device - is capable of operating without BACnet Network Security Secure Device - is capable of using BACnet Network Security (NS-SD BIBB) Multiple Application-Specific Keys: Supports encryption (NS-ED BIBB) Key Server (NS-KS BIBB)

Character Sets Supported: Indicating support for multiple character sets does not imply that they can all be supported simultaneously. ISO 10646 (UTF-8) IBMTM/MicrosoftTM DBCS ISO 8859-1 ISO 10646 (UCS-2) ISO 10646 (UCS-4) JIS X 0208

If this product is a communication gateway, describe the types of non-BACnet equipment/networks(s) that the gateway supports: • This is not a gateway

A: Gradna 78A, 10430 Samobor, CroatiaE: info@koer.comwww.koer.com

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