Schneider Electric for any consequences arising out of the use of this material. A qualified person is one who has skills and knowledge related to the construction, installation, and operation of electrical equipment and has received safety training to recognize and avoid the hazards involved. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
• Avoid touching exposed conductors and components leads with skin or clothing. For additional information about anticipated transmission delays or failures of the link, refer to NEMA ICS 1.1 (latest edition), Safety Guidelines for the Application , Installation, and Maintenance of Solid State Control or its equivalent 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
This event is true only if a parameter was changed locally on the RC. Making changes through BACnet will not have the same outcome. If changes need to be done remotely through BACnet, use priority 1, 2 or 3, or write to relinquish default (priority 17). 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
5 hours continuously minimizes this effect. NOTE: Avoid placing the Room Controller in poorly ventilated areas, or in areas that may create excess heat around the display. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Increase Temperature Setpoint Room Indoor Occupied Setpoint of Temperature Current System Mode Down Arrow Room Indoor Humidity Decrease Temperature Outdoor Temperature Setpoint System Mode Enter Help Screen Short Network Message Fan Mode Select Language Temperature Units 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Set clock, schedule and occupancy C lo ck - Sched ule Automatic Demand Response AD R Wireless Ecosystem settings (shows only if ZigBee Wireless feature is available) L UA LUA scripting (shows only if LUA script uploaded) 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
• Fully locked interface • Setpoint adjustment • Setpoint adjustment with no user settings • System mode setting • System mode setting • User help menu • Fan mode setting • Local unit scale adjustment • User help menu 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
NOTE: The day/night setback button appears only in unoccupied mode in the Commercial HMIs 7 to 11. If UI17 input is configured as “override”, the day/night setback button does not show. NOTE: Parameters are model dependent and may not appear on certain models. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
User HMI configurations where the option is shown. To hide the option, select disabled for each display setup screen parameter. Refer to Display Screens in Section 3. Options Enabled Options Disabled System Status Fan Status Help Button 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Fan Mode Settings Fan Mode Setting The Fan mode settings displayed on the home screen must be configured in the Fan menu tab of the Configuration menu. The possible options are Low, Med, High, Auto, On. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Normal temperature display resumes after setpoint is adjusted and actual occupied cooling setpoint shows in setpoint bar. Cooling mode or cooling only sequence of operation. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
CO2 shows when CO2 display is enabled on the setup display screen, from either the optional CO2 detection sensor module or a wireless sensor end device selected by the CO2 source parameter on the setup configuration screen. Outdoor temperature shows when receiving a valid networked outdoor temperature value or a temperature sensor connected to UI23. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
VT8350 User Interface Guide Customizable Color Options White Green Blue Dark Grey 2018.04.18 12:54 PM 2018.04.18 12:54 PM 2018.04.18 12:54 PM Grey Pink Purple 2018.04.18 12:54 PM 2018.04.18 12:54 PM Orange Black 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Display Readings: None, ZigBee, IP or BAC. IP Wired protocol Wired Protocol Default value: None None: No wired protocol configured BAC MSTP: BACnet MS/TP network protocol Modbus: Modbus network protocol Choices: None, BAC MSTP or Modbus 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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The valid range of available channels is from 11 to 25. Using channels 15, 20, and 25 is recommended. Channel 25 is considered as be- ing the best one because it is furthest from the Wi-Fi channels. Range: 10 to 25 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Permit join can be On/Off when the Room Controller is a Coordinator, however the parameter is read only when the Room Controller is a router. If not set to off manu- ally the Permit join will stay On for 3 hours. Choices: On or Off 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Read Only The extended IEEE address (MAC address) is a unique worldwide identifier of the onboard ZigBee or optional ZigBee add-on module. ZigBee revision Communication Module Revision Number Read Only Shows the ZigBee firmware revision number. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Read Only value shows if a BACnet Network is detected or not. Display Readings: Online or Offline BACnet PRate BACnet Poll Rate Default value: 4 Rate at which a BACnet stack is processed, in milliseconds. Range: 1 to 5. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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The default instance number appears first. To change the instance number, use number pad and press Accept and save. Tap “R” icon to reset to automatic instance addressing. 2/2 B ACn et N et w o rk Instance number of Room Controller Accept and save Reset to automatic instance addressing 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Choices: 57600, 38400, 19200, 9600 and 4800 Parity Parity Default value: Even Determines how the parity bit of the character’s data frame is set to detect any errors in the sent/receives frame. Choices: None, Odd and Even 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Configuration Web Page PARAMETER DETAILS Configuration Parameters Default Value Significance and Adjustments Access point Access Point Default value: Disabled On this screen the access point can be enabled or disabled as needed. Choices: Enabled or Disabled 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Status value: Idle, Connected, Associate, Config, Ready, Online, Disconn, Failure Signal strength Signal Strength Read Only Signal strength of the Wi-Fi network. Range: 0 to 100% SMTP status SMTP Status Read Only Status of the email SMTP server. Status value: Disabled, Offline, Online 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Read Only Shows whether the Facility Expert system is Disabled or Enabled. Status value: Disabled or Enabled Status Status Read Only Shows the current status of the Facility Expert system. Range: Disabled, Offline, Connect., Online, Failure, Unknown. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Factory Reset of the Wi-Fi module. • If your Wi-Fi module was connected to Facility Expert, you will need to contact your Facility Expert Administrator before the device can be reconnected after a Factory Reset. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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VT8350U5B00 with a COM address of 57 is generated as “83057”. The default instance number appears first. To change the instance number, use number pad and press Accept and save. Tap “R” icon to reset to automatic instance addressing. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Filter: backlit flashing filter alarm shows on the Room Controller screen when input is energized Service: backlit flashing Service alarm shows on Room Controller screen when input is energized. Choices: None, Door Dry, Override, Filter and Service 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Dual SP: “Minimum” Deadband, Heat and Cool Setpoints can be adjusted independently. Attach SP: “Fixed” Deadband in occupied mode, Heat and Cool setpoints always follow each other, separated by Deadband value (acts like a single setpoint). Choices: Dual SP or Attach SP 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Standby mode Standby Mode Configuration Default value: Absolute Standby setpoints used for control. Absolute: Standby entered values are used for standby mode. Offset: Occupied setpoints +/- Standby diff. used for standby mode. Choices: Absolute or Offset 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Fan Control in Heating Mode Default value: On Configures the operation of the fan when system is heating. On:Fan on Off-Auto: Fan off if fan mode is auto Off-All: Fan off Choices: On, Off-Auto or Off-All 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Heating or Cooling. In Unoccupied mode the Fan turns Off when there is no demand for Heating or Cooling. AS/AD: In any Occupancy mode, the Fan turns Off all speeds when there is no demand for Heating or Cooling. Choices: AS or AS/AD 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Point only displayed if “Fan type” is set to “ECM” Default value: 8.6 Vdc Voltage to be applied on 0-10 Vdc output when High fan speed is selected. The points are configurable in units of 0.1 Vdc Range: 7.1 to 10.0 Vdc 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Override icon or closing the contact on UI17, configured as “Remote Override”, sets the Room Controller to Override mode for defined time period, and uses the Occupied Cooling and Heating setpoints. Range: 0.0 to 24.0 hours 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Range: 20 to 100% Deh. lockout Dehumidification Lockout Default value: Disabled Enables or disables dehumidification based on central network requirements from the BAS front end. Enabled: Dehumidification Authorized Disabled: Dehumidification Not Authorized Choices: Enabled or Disabled 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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2-10 Vdc valves. RA = 0 to 100% = 10 to 0 Vdc Same as 1: On/Off: normally opened or normally closed 24 VAC 2 position valves Floating: modulating 3 wires control of 24 VAC floating valves Choices: 0-10V DA, 0-10V RA, Same as 1, On/Off and Floating 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Choices: Reheat NO, Reheat NC, Aux NO, Aux NC, Aux F&NO and Aux F&NC Floating Time Floating Actuator Timing Default value: 1.5 min Floating actuator stroke timing value. Maximum stroke time of floating valve actuator. Range: 0.5 to 9.0 minutes (0.5 minute increments) 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Range: 3.0 to 10.0 Value Effective Proportional Band Fahrenheit Celsius 10.0 No. of pipes Number of Pipes Default: 2 Defines the type of system installed. Choices: 2 or 4 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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UI20 terminal, the Room Controller will use the sensor as the control point. Disconnecting the sensor, or if the sensor is faulty, the Room Controller will automatically revert to its internal temperature sensor. Choices: Wired, Internal and WL 1 to WL 20 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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En.no.clk: Schedule Menu is directly accessible from the main screen via a touch in the upper corner. Clock does not show. Dis.no.clk: Schedule Menu can only be accessed through the Setup Menu screens. Clock does not show. Choices: Enabled, Disabled, En.no.clk and Dis.no.clk 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Local: Sets the optional CO2 detection sensor module as the source for the room CO2. WL 1 to WL 20: Sets the selected ZigBee wireless device as the source for the room CO2. Only one device can be selected. Choices: None, Local and WL 1 to WL 20 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Are you sure? Default value: No • Network Language • Baud Rate • BACnet Instance • Device Name • Screen Contrast • Lua Script Note: Node type in ZigBee Network screen returns to default value (Router). 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Standby mode. Range: 40 to 90°F (4.5 to 32.0°C) Unocc. heat. Unoccupied Heating Setpoint Default value: 62°F (17°C) Heating Temperature setpoint used by the Room Controller when in Unoccupied mode. Range: 40 to 90°F (4.5 to 32.0°C) 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Default value: 54°F (12°C) Minimum Occupied, Unoccupied, Standby and Override Cooling setpoint limit. Range: 54 to 100°F (12.0 to 37.5°C) Dehum. SP Dehumidification Setpoint Default value: 50%RH Used only if dehumidification sequence is enabled. Range: 30 to 95% RH 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Occ. only: Standby image displays after 150 seconds. Screen turns off after 30 minutes only in occupied or override mode. Screen: Standby image displays after 150 seconds. Screen turns off after 30 minutes only in unoccupied or standby mode Choices: No, Yes, Occ. Only or Screen 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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This functionality is enabled only if the below conditions are met: • Standby image loaded • Standby Screen = “Yes” or “Screen” • User Password = not 0 Choices: No or Yes Contrast Contrast Default value: 0 Control screen contrast and brightness. Range: -5 to 5 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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The screen backlight progressively decreases down to this setting when room is dark. This feature is used mostly in hospitality applications when a darker non obtrusive lighting level is desired when room is dark. Adjustable: 0 to 100%. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Note: The CO2 value will only be displayed on the Room Controller home screen if an optional CO2 detection sensor module is installed or a ZigBee wireless CO2 device is paired, and if there is a valid value. Choices: Enabled or Disabled 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Hides the help button in the lower right corner of the User HMI display. Applicable to all User HMI configurations where the help button is shown. Refer to the User HMI Show/Hide Options in Section 2. Choices: Enabled or Disabled. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Shows the temperature of the sensor connected to UI20 (RS) terminal. Outdoor temp. Outdoor Temperature Read Only Shows the outdoor temperature on the main screen. Room humidity Room Humidity Read Only Shows the current room humidity percentage from the configured humidity source. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Cool dem. limit Cooling Demand Limit Read Only Display Readings: 0-100% Heat dem. limit Heat Demand Limit Read Only Display Readings: 0-100% Supply temp. Supply Temperature Read Only Shows supply air temperature as measured by the sensor. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Zigb. sens. mot. ZigBee Sensor Motion Read Only Shows if motion is detected by any of the ZigBee wireless motion sensors. NOTE: This parameter is for ZigBee wireless motion sensors only. Display Readings: Motion or No Motion 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Local Motion Read Only Shows if Motion alarm is active or not. Display Readings: Motion or No Motion Deh. status Dehumidification Status Read Only Shows if dehumidification is active or not. Display Readings: On or Off 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Read Only Display Readings: Analog or Binary UO12 config UO12 Configuration Read Only Display Readings: Analog or Binary Term. 24 10V UI24 Analog Read Only Shows the analog value of the UI24 generic Universal Input (in Volts). 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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UI22 Input Type Read Only Display Readings; Thermistor, Binary or Voltage UI23 type UI23 Input Type Read Only Display Readings: Thermistor, Binary or Voltage UI24 type UI24 Input Type Read Only Display Readings: Thermistor, Binary, Voltage or Reserved 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Display Readings: 0 to 5000 PPM CO2 FW rev. CO2 Firmware Revision Read Only Shows the Firmware version of the installed CO2 sensor module. CO2 S/N CO2 Serial Number Read Only Shows the serial number of the installed CO2 sensor module. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Auto mode, this parameter shows whether it is currently heating or cooling. Display Readings: Cool or Heat Eff. setpoint Effective Temperature Setpoint Read Only Shows the tempertature setpoint value currently in use by the system. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Firmware version, however it is possible to set the Room Controller to an earlier Firmware version with the Uploader Tool. ZigBee Revision shows the Firmware version of an onboard ZigBee or optional ZigBee add-on module. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Note 4: Test Outputs UO9 to UO12 are dependent on control type configuration. If mode is set to Floating or On/Off, binary options show. If mode is set to Analog, analog options show. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Only English, French, Spanish, Chinese, and Russian are enabled by default and are accessible to users cycling through languages on the display settings menu screen. To change the language selection settings, tap a language on the screen and then use the arrow buttons to disable or enable it. NOTE: English is always enabled. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
Clock - Schedule Screens SCHEDULE MENU S che dule M e nu C lock Clock settings S chedul e Schedule settings Options Options settings Note: The Clock - Schedule Menu screen is directly accessible from the main setup screen. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Read Only Range: Monday - Sunday Time source Time Source Default value: Local Shows the source that most recently set the time on the Room Controller. Read Only Display Readings: None, Local, BACnet, NTP or Cloud 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Unoccupied 1 - 3 Unoccupied 1 - 3 Default value: None Defines a time when the Room Controller is automatically set to use the Unoccupied setpoint. Note: There are 3 separate Occupied parameter entries Range: 00:00 - 23:59 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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7 days: Independent scheduling identified by day of the week (Sunday - Saturday) 5+1+1 days: Weekdays scheduling and Independent Weekend scheduling identified as Weekdays, Saturday and Sunday 5+2 days: Weekdays scheduling and Weekend scheduling identified as Weekdays and Weekend Choices: 7 days, 5+2 days or 5+1+1 day 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
BACnet by the local Utility company. Off: No Load Shedding Demand is received or the Shedding demand is disabled. On: Received the Load Shedding Demand or received the signal to activate Load shedding. Display Readings: On or Off 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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On: Rejects or cancels shed load demand request from utility company (setpoints remain the same). Off: Allows shed load demand request from utility company (setpoint will change according to shed offset) Display Readings: On or Off 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
The Wireless screen shows only in models with onboard ZigBee or optional ZigBee add-on module. Wi re le s s E cosys te m D evic e G roups A lar m s Configura tio n A lar m s 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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3 hours. On: Allows Room Controller to pair with ZigBee wireless device Off: Prevents Room Controller from pairing with ZigBee wireless device, or prevent any additional ZigBee devices from joining network. Choices: On or Off 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Default value: 0 Shows the number of ZigBee wireless devices currently paired with the Room Read Only Controller. A maximum of 20 ZigBee wireless devices can be paired with each Room Controller. Display Readings: 0 to 20 devices 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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(selected function does not match paired sensor functionality). Display Readings: Not paired, Online, Offline and Invalid Battery Wireless Device Battery Default value: None Shows current status of battery in wireless device. Read Only Display Readings: None, Normal or Low 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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• Door and Window Sensors: Closed or Open • Motion Sensor: No Motion or Motion • Water Leak Sensor: Normal or Leak • Temperature Sensor: XX.X °C • Humidity Sensor: XX %RH • CO2 Sensor: XXX PPM 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Shows if Window sensor is installed. Read Only Display Readings: Yes or No Water installed Water Leak Sensor Installed Default value: No Shows if Water Leak sensor is installed. Read Only Display Readings: Yes or No 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Range: 32 to 50 °F (0 to 10 °C) Freezer high Temperature Alarm Freezer High Default value: 0.0 °F (-17.5 °C) (only present if a freezer sensor is installed) Range: -40 to 32 °F (-40 to 0 °C) 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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Default value: Off Shows if any temperature sensor paired device has detected a high temperature Read Only (On) or no high temperature detected in any of the temperature sensor paired devices (Off). Display Readings: On or Off 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
No error: No errors in LUA script Read Only Syntax: Syntax error in LUA script detected Runtime: Runtime error occurred while running LUA script Memory: Device has run out of memory for the script Display Readings No error, Syntax, Runtime, Memory 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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The value of this parameter depends on what is assigned to it from a BAS or LUA script. Parameter J AV228 Default value: 0 The value of this parameter depends on what is assigned to it from a BAS or LUA script. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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The value of this parameter depends on what is assigned to it from a BAS or LUA script. Parameter L AV230 Default value: 0 The value of this parameter depends on what is assigned to it from a BAS or LUA script. 028-0427-15_UI-VT8350_A4_EN www.viconics.com June 2020...
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