Table of Contents
Troubleshooting
Related Manuals for Carrier TruVu VAVB3-E2
Summary of Contents for Carrier TruVu VAVB3-E2
- Page 1 ™ ™ Carrier ©2022 · Catalog No. 11-808-874-01 · 2/23/2022...
- Page 2 Verify that you have the most current version of this document from www.hvacpartners.com, the Carrier Partner Community website, or your local Carrier office. Important changes are listed in Document revision history at the end of this document. Carrier ©2022. All rights reserved.
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Page 3: Table Of Contents
Contents What is the TV-VAVB3-E2? ............................1 Specifications ................................ 4 Linkage ................................... 8 Safety Considerations ............................9 Zone sensors ..............................10 Touchscreen devices ............................10 Field-supplied hardware ........................... 11 To mount the TV-VAVB3-E2 ............................12 Wiring for power ................................ 14 To remove the TV-VAVB3-E2's cover ....................... - Page 4 Contents Modulating hot water (ducted or baseboard) - Fan box application ............50 Combination heat (ducted electric heat with modulating baseboard heat) - Fan box application ..51 2-stage electric heat (ducted or baseboard) - Fan box application ............52 SCR electric heat (ducted or baseboard) - Fan box application ..............
- Page 5 To communicate through the BACnet/Service port network ................. 94 Wiring specifications ............................95 To communicate locally through the Rnet port....................... 96 To set up a Local Access connection in the i-Vu® interface ............... 97 Troubleshooting ................................. 98 LEDs ..................................98 To use the Locator LED ...........................
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Page 7: What Is The Tv-Vavb3-E2
NOTE This document gives instructions for field-installation of a TV-VAVB3-E2 in an i-Vu® system. However, TV- VAVB3-E2s are available factory-mounted to Carrier’s 35 single duct and 45 parallel and series fan terminals. All terminals require an integrated duct temperature sensor. - Page 8 What is the TV-VAVB3-E2? The following illustration shows the TV-VAVB3-E2 in a typical i-Vu® Control System. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 9 Port type For routing this type At... of communication... Eth0 10/100 Mbps Ethernet BACnet/IP 10 or 100 Mbps Eth1 BACnet/Ethernet High-speed EIA-485 port BACnet/MSTP 9.6 to 115.2 kbps TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 10: Specifications
• Comm/Service USB ports for connecting locally to controller setup pages, the TruVu™ ET Display, or the Carrier wireless service adapter • Act Net port supports a combination of up to 5 Act Net addresses. Act Net devices must be addressed as... - Page 11 Use an external transformer if your devices exceed the maximum power. Comm/Service ports USB 2.0 host ports for setting up the controller and troubleshooting through a local connection to a computer, connecting to the TruVu™ ET Display, or the Carrier wireless service adapter. Universal inputs Inputs are configurable in the control program for 0–5 Vdc, 0–10 Vdc, thermistor,...
- Page 12 Overall dimensions 8.39 in. (21.30 cm) 5.95 in. (15.11 cm) 6.00 in. (15.24 cm) 7.52 in. (19.10 cm) Depth: 3.83 in. ( 9.72 cm) Weight 1.8 lbs (0.82 kg) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 13 Industry Canada Compliant, ICES-003, Class B Contains IC ID: 6713A-STM300U Europe: Mark EN50491-5-2:2009; Part 5-2: EMC requirements for HBES/BACS used in residential, commercial and light industry environment RoHS Compliant: 2015/863/EU REACH Compliant TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 14: Linkage
The linked controllers on the network must be sequentially addressed, and the VAV Master must have the highest address. EXAMPLE #2: The above network plus one slave controller (11) not sequentially addressed and one slave controller on a different network. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 15: Safety Considerations
Disconnect all power to the unit before performing maintenance or service. Unit may automatically start if power is not disconnected. WARNING Follow all local, state, and federal laws regarding disposal of equipment containing hazardous materials such as mercury contactors. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 16: Zone Sensors
• The TruVu™ ET Display requires a 24 Vdc external power source. CAUTION A touchscreen device can share a power supply with the Carrier controller if: • The power source shared by the controller and Equipment Touch is AC power. -
Page 17: Field-Supplied Hardware
• 2 screws and 2 hollow wall anchors (to mount relative humidity sensor directly to wall) • valve and actuator for hot water heat (if required) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 18: To Mount The Tv-Vavb3-E2
Mount and secure an enclosure to cover the TV-VAVB3-E2. NOTE For service access, we recommend that you allow at least 1 foot (.3 m) of clearance between the front of the enclosure and adjacent surfaces. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 19 Tighten the screw. Hold down the actuator release button, rotate the damper to verify that it opens and closes, then release the button. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 20: Wiring For Power
The TV-VAVB3-E2 is powered by a Class 2 power source. Take appropriate isolation measures when mounting it in a control panel where non-Class 2 circuits are present. • Carrier controllers can share a power supply as long as you: • Maintain the same polarity. -
Page 21: To Wire For Power
The reading should be 0V. Insert the red screw terminal connector into the controller's power terminals. 10 Verify that the LED on top of the controller is on. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 22: Addressing The Tv-Vavb3-E2 Through The Comm/Service Ports
Open your computer's wireless network display to view your available wireless networks. NOTE TV-VAVB3-E2 only supports the 5 GHz band and not the 2.4 GHz band. Connect to the wireless network using the network SSID and password that are printed on the Carrier wireless service adapter. - Page 23 Open a web browser on the computer Navigate to http://local.access or http://169.254.1.1 to see the controller setup pages. See To set up the controller through the Comm/Service ports (page 88) for detailed information. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 24: To Set The Ip Address
On the controller setup Ports tab under IP Port, select Custom Static. Enter the IP Address, Subnet Mask, and Default Gateway addresses that the network administrator gave you. Click Save. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 25: Addressing A Network Of Controllers Using The Controller Setup Local Network Tab
Network tab You can use the controller setup Local Network tab to discover Carrier i-Vu® XT or TruVu™ devices on a single network. You can configure them and assign addresses to each one using one of the methods described below. -
Page 26: Method 2: To Address When You Do Not Know The Serial Numbers
NOTE To physically identify a device that is displayed on the Local Devices table, you can click the Blink button, which lights up the Locator LED in the actuator release button. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 27 One technician alone can address the controllers on a mobile device showing the Local Network page by plugging the Carrier wireless service adapter into a controller's Service port. Then, with the computer, move to each controller within 100 ft. of the adapter. Pressing the DSC button on the controller displays a blue dot in the table where the addressing information can be entered.
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Page 28: Wiring For Communications
See Wiring devices to the TV-VAVB3-E2's Act Net port (page 24). Default for MS/TP is 76.8 kbps. See To set up the controller through the Comm/Service ports (page 88). TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 29: Wiring Devices To The Tv-Vavb3-E2'S Rnet Port
See the device's Installation and Start-up Guide for complete wiring instructions. NOTES • ZS sensors, a Wireless Adapter, and an Equipment Touch can share the same Rnet. • The Rnet communicates at a rate of 115.2 kbps. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 30: Wiring Devices To The Tv-Vavb3-E2'S Act Net Port
(91.44 meters). The bus should be wired with copper conductors of an appropriate size (18 AWG or larger) to compensate for voltage drop and ensure that bus voltage does not drop below 19.2 Vac or 21.6 Vdc. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 31: Wiring Inputs And Outputs
The relay can switch up to 3.75 A, 30 Vac/Vdc. The total power and current that can be switched by a bank of 3 relays cannot exceed the Class 2 limits of 100 VA or 4.2 A. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 32: Wiring Specifications
Acceptable voltage drop in the wire from the controller to the controlled device • Resistance (Ohms) of the chosen wire gauge • Maximum current (Amps) the controlled device requires to operate TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 33: To Wire Inputs And Outputs
WARNING Do not apply line voltage (mains voltage) to the controller's ports and terminals. The Gnd terminal is shared by the inputs/outputs to the top and bottom of it. The TV-VAVB3-E2 has connections for one bus. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 34 NOTE Connect the shield wire to the – terminal with the ground wire. Do not connect the shield wire at the other end of the cable as this will cause a ground loop error. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 35 Connect binary and analog output wiring to the screw terminals on the TV-VAVB3-E2 and to the controlled device. Connect the ground wire to the AO outputs' terminals. Turn on the TV-VAVB3-E2's power. See Troubleshooting inputs and outputs (page 102). TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 36: To Adjust Input And Output Properties
To verify each output's operation, lock each output to a known condition on the I/O Points tab, then verify that the equipment operates correctly. See Troubleshooting inputs and outputs (page 102). TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 37: Input Values
In the microblock popup, under Hardware Configuration, set Expander to 0, Input Number to 110, and I/O Type to Special. To detect a flow sensor fault on the ZASF-A, use Input Number 111. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 38: Output Values
The driver rounds the wire input value to the microblock before performing any scaling (BAO) calculations. EXAMPLE If the wire input value is 13.789 and you set the Resolution to 0.1, the microblock uses 13.8 for any scaling calculations. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 39: Offset/Polarity Values
When the control program's signal to the microblock is on, if Polarity is set to: normal—output is on reversed—output is off NOTE Regardless of Polarity, the output will be off if the TV-VAVB3-E2 loses power. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 40: Wiring Sensors To The Tv-Vavb3-E2'S Inputs
Remote occupancy contact sensor (page 39) NOTE This document gives instructions for wiring the sensors to the TV-VAVB3-E2. For mounting and wiring the sensors, see the Carrier Sensors Installation Guide. WARNING Disconnect electrical power to the TV-VAVB3-E2 before wiring it. Failure to follow this warning could cause electrical shock, personal injury, or damage to the controller. -
Page 41: To Wire The T55 Sensor To The Controller
2 feet downstream from a hot water or steam coil, or at least 4 feet downstream from an electric heating coil. Wire the sensor to the controller. See diagram below. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 42: To Wire The Co2 Sensor To The Controller
Wire the sensor to the controller. See appropriate diagram below. Install a field supplied 250 Ohm 1/4 watt 2% tolerance resistor across the controller's IN-01 and Gnd terminals. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 43 Wiring sensors to the TV-VAVB3-E2's inputs Wiring diagram for #33ZCT55CO2: TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 44: To Wire The Relative Humidity Sensor To The Controller
Wire the sensor to the controller. See diagram below. Using electrical tape, insulate any exposed resistor lead to prevent shorting. Set SW3 on the sensor as shown below. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 45: Wiring A Remote Occupancy Sensor
You can wire a normally open or normally closed dry-contact occupancy sensor to the TV-VAVB3-E2's IN-04 input and Gnd terminals as shown below. The controller supplies the voltage needed for the input. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 46: Using The Airflow Sensor
Connect the secondary tubes to the duct's high and low pressure tubes. Avoid sharp bends in the tubing. NOTE Be sure to match the high and low pressure VAV Zone II Secondary Duct airflow sensor and tubes. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 47: To Set Up The Airflow Control Microblock
If you are using a version of the Snap application that is prior to v7.0, you must change the Damper Motor Travel Time to 154 seconds. See Input values (page 31) for information on the Special Binary input that indicates a communication loss to the airflow sensor. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 48: Wiring Equipment To The Tv-Vavb3-E2'S Outputs
Supply air temperature sensor Silicon controlled rectifier Space temp ZS sensors or Wireless Adapter for sensor wireless sensors T55 (OPT) Alternate space temperature sensor – – – Field-supplied wiring TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 49: No Heat - Single Duct Or Fan Box Application
Wiring equipment to the TV-VAVB3-E2's outputs No heat - Single duct or fan box application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 50: 2-Position Hot Water/Steam Heat - Single Duct
Wiring equipment to the TV-VAVB3-E2's outputs 2-position hot water/steam heat - Single duct TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 51: Modulating Hot Water/Steam (Ducted Or Baseboard) - Single Duct Application
Wiring equipment to the TV-VAVB3-E2's outputs Modulating hot water/steam (ducted or baseboard) - Single duct application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 52: Combination Heat (Ducted Electric Heat With Modulating Baseboard Heat) - Single Duct Application
Wiring equipment to the TV-VAVB3-E2's outputs Combination heat (ducted electric heat with modulating baseboard heat) - Single duct application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 53: Electric Heat (Ducted Or Baseboard) - Single Duct Application
Wiring equipment to the TV-VAVB3-E2's outputs Electric heat (ducted or baseboard) - Single duct application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 54: Scr Electric Heat (Ducted Or Baseboard) - Single Duct Application
Wiring equipment to the TV-VAVB3-E2's outputs SCR electric heat (ducted or baseboard) - Single duct application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 55: 2-Position Hot Water/Steam (Ducted Or Baseboard) - Fan Box Application
Wiring equipment to the TV-VAVB3-E2's outputs 2-position hot water/steam (ducted or baseboard) - Fan box application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 56: Modulating Hot Water (Ducted Or Baseboard) - Fan Box Application
Wiring equipment to the TV-VAVB3-E2's outputs Modulating hot water (ducted or baseboard) - Fan box application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 57: Combination Heat (Ducted Electric Heat With Modulating Baseboard Heat) - Fan Box Application
Wiring equipment to the TV-VAVB3-E2's outputs Combination heat (ducted electric heat with modulating baseboard heat) - Fan box application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 58: 2-Stage Electric Heat (Ducted Or Baseboard) - Fan Box Application
Wiring equipment to the TV-VAVB3-E2's outputs 2-stage electric heat (ducted or baseboard) - Fan box application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 59: Scr Electric Heat (Ducted Or Baseboard) - Fan Box Application
Wiring equipment to the TV-VAVB3-E2's outputs SCR electric heat (ducted or baseboard) - Fan box application TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 60: Wiring A Field-Supplied High-Torque Actuator To The Analog Output
Wire the actuator to the controller using the diagram below. NOTE For proper operation and to prevent damage to the devices, use the same polarity for the actuator's power and the TV-VAVB3-E2's power. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 61: Start-Up
See Appendix A (page 107) for a complete list of the controller's points/properties. NOTE Engineering units shown in this document in the defaults and ranges are strictly for reference. You must enter an integer only. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 62: Configuring Zs Sensors
NOTE You must use the i-Vu® application or Field Assistant to configure ZS Sensors. CAUTION Before starting the air source fan, make sure the zone terminal dampers are not closed. Starting the fan with dampers closed will damage the system ductwork. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 63: Commissioning The Tv-Vavb3-E2
The following procedures instruct you to use the i-Vu® application or Field Assistant to balance the system. However, you can also use the Test & Balance tool that includes global commands to assist you in balancing the system. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 64: Prepare For Balancing
Repeat steps 1 through 6 for each zone until all zones have been balanced. Make sure that you select Automatic Control before moving on to the next zone. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 65: Balancing The System Using Test & Balance Tool
NOTE If desired, you can click Apply after each calibration step. 10 Remove any locks you have applied. See To view, lock, or unlock an air terminal function. 11 Click Automatic to return the controller to normal operation. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 66: Upload Calibration Values To The I-Vu® Application
In the i-Vu® interface, select the top level in the navigation tree. Click Reports > Commissioning > Test and Balance. On the View tab, click Run. Go to Step 4: Run a report (Optional). TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 67: Run A Report In Tv-Vavb3-E2 (Optional)
The TV-VAVB3-E2 supports 3 types of pressure-independent terminal configurations: • Single duct • Series fan-powered • Parallel fan-powered The controller can operate as part of a linked system (VAV or VVT) or as a stand-alone controller. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 68: Temperature Sensors
This provides the ability to lower the cooling minimum airflow limits while providing the necessary airflow when the terminal is heating to ensure design load conditions and electric heater minimum airflow. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 69: Zone Reheat Control
SAT is controlled so that it does not exceed the Maximum Heating SAT (90°F (32.2°C) default). For baseboard heating (non-ducted heat), the valve modulates to keep the zone’s temperature at the heating setpoint. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 70 This feature applies to parallel fan terminals in both occupied and unoccupied mode and series fan terminals in the unoccupied mode if the air source fan is off. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 71: Demand Control Ventilation (Dcv) And Dehumidification Using Optional Sensors
NOTE If both control functions are enabled, the zone will control to the greatest calculated minimum cfm (liters/second) airflow value of the three functions (temperature, RH, or IAQ). TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 72: Occupancy
Disable to use this function. When set to Occupied or Unoccupied, Optimal Start is automatically disabled. For additional information on ZS Sensor occupancy and override settings, see Maintenance (page 128) Points and Properties. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 73: Alarms
A return-to-normal is generated after successful Linkage communication resumes. A power cycle will reset and re-initialize the Airside Linkage Alarm. The ZS Pro with display has alarm and maintenance indicators. See Alarm Configuration (page 118). TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 74: Demand Limiting
The VAV Master continuously scans the system and gathers the following information from each zone: • Setpoints and space temperature • Zone size • Occupancy status • Damper position • RH and CO values (if applicable) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 75 The reference zone, the zone with the greatest demand for the system mode If no zones are occupied or no occupied zones require heating or cooling, the VVT Master performs the evaluation described above for the unoccupied zones. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 76 This information, plus the occupancy status, is sent to the air source so that its current mode is disabled and the unit ceases heating or cooling operation. If the system is occupied, the air source fan and OA damper, if applicable, operate to maintain proper ventilation. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 77: Linkage Modes And Determination
Vent Damper Position or the Minimum Cooling Damper Position as the minimum during the VENT mode. See the air source’s installation manual for more specific operation. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 78 This is because the terminal’s series fan, when operating with the terminal damper open, usually creates enough primary airflow to prevent the control from properly detecting that the air source is off. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 79: Zone Environmental Index
Weighted EI determines the priority of a zone in an EI roll-up, which must be completed using a different control program. The value is determined by multiplying the real-time EI value by the EI Weighting Factor. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 80: Find And Upload In The I-Vu® Interface
When complete, a check mark under Status indicates a successful upload. NOTES If an error message appears, click on the message to view an explanation. ○ For details, see the i-Vu® Help. ○ TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 81: Adjusting The Tv-Vavb3-E2 Driver Properties
VAV application will look for the outside air temperature on the same network segment or on the nearest device containing that object. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 82 1 hour and can be re-enabled by pressing the Blink button again. Debug Enable Debug Messages Enable only if directed by Carrier Control Systems Support. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 83: Device
Critical Equipment 128–191 Urgent 192–255 Normal Priority of Off-Normal BACnet priority for Alarms. Priority of Fault BACnet priority for Fault messages. Priority of Normal BACnet priority for Return-to-normal messages. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 84: Calendars
Uncheck the types of alarms you do not want the recipient to get. Calendars Calendars are provided in the driver for BACnet compatibility only. Instead, use the Schedules feature in the i-Vu® interface. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 85: Common Alarms
See Alarms in i-Vu® Help. Template Enable Clear these checkboxes to disable Alarm or Return to normal messages of this type from this controller. Notification Class Do not change this field. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 86: Custom Translation Tables
When this field is enabled, you can set up IP addressing through a tool. IP through an external tool addressing is typically set up through the Service Port. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 87: Bacnet Firewall
IP addresses that you define. These can be all private IP addresses and/or a list of IP addresses. Follow the instructions in the i-Vu® interface to set up the BACnet firewall. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 88: Network Diagnostics - Statistics
FIFO errors, frame errors, length errors, missed errors, and overrun errors. Transmit Errors (total)—All errors related to transmitted packets such as aborted errors, carrier errors, dropped errors, FIFO errors, heartbeat errors, and window errors. Dropped Packets—Packets dropped by the TV-VAVB3-E2's Ethernet interface. -
Page 89: Network Diagnostics - Packet Capture
NOTE Clicking Get capture file generates the port's .pcap file. If the port has a .pcap file from a previous capture, that file will be overwritten. Extract the .pcap file from the .tgz file. Open the .pcap file in Wireshark. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 90: Act Net Bus
(can be found as a label on the actuator). New Device Address Select a new bus address from the drop-down list. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 91 3. Chose a unique address for the new device and click Accept. Wait until the operation is successful. 4. Repeat the steps 2 and 3 for the remainder of the removed devices. 5. Verify that there are no longer Duplicate Address on the network errors. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 92: Communication Status
VAV box. Normal / Reversed Refers to the tube connections. If tubes are switched after calibration process is complete, the calibration process has to re-run to clear settings. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 93: To Set Up Network Statistic Trends
System Options > System Settings > General tab. Select the second option to set a value for this trend only. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 94: To Set Up The Controller Through The Comm/Service Ports
You can communicate with the TV-VAVB3-E2 through a web browser by connecting a computer to one of the Comm/Service USB ports on the controller, using either the Carrier wireless service adapter or a USB cable. NOTE You cannot access the Service port by plugging an Ethernet cable into Eth0 or Eth1. -
Page 95: Device Tab
BACnet Object Device Instance Autogenerated—(Default) The Device Instance is automatically set to a number using the IP Address, Subnet information, and the Carrier vendor ID 16. Assigned—Lets you enter a specific number that is unique on the BACnet network. Device Name Autogenerated—(Default) The Device Name is automatically set as the word... -
Page 96: Bacnet Tab
In the i-Vu® navigation tree, right-click the TV-VAVB3-E2, select Driver Properties and go to Driver > Settings tab > Local Network Configuration. Check Allow Local Network Configuration from other devices on the local network for 24 hours and click Accept. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 97 See To address when you know the serial numbers (page 19) or To address when you do not know the serial numbers (page 20). TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 98 (See instructions above.) NOTE The status of a device changes to locked 24 hours after unlocking it. • Failure - A conflict between the device and the information entered TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 99 NOTE If a device's IP address is the loopback address (127.0.0.1), it is considered unconfigured and unlocked. The IP address, subnet mask, and default gateway fields are blank in the Ports and Local Network tabs. You can configure it in the Local Devices table. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 100: To Communicate Through The Bacnet/Service Port Network
65535 - searches for an available network number from 65531 to 65534. If any of these numbers are ○ not available, you will have to assign a network number and enter it. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 101: Wiring Specifications
Do not apply line voltage (mains voltage) to the controller's ports and terminals. • Do not exceed the minimum bend radius of the Cat5e or Cat6e Ethernet cable. Refer to Ethernet cable manufacturer specifications for minimum bend radius. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 102: To Communicate Locally Through The Rnet Port
Connect the other end of the 3-wire cable to the TV-VAVB3-E2's Rnet port as shown in the drawing above in step 1. Connect the 3-pin connector to the portion of the USB link kit shown in the drawing below, then connect the USB connector to the computer. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 103: To Set Up A Local Access Connection In The I-Vu® Interface
14 Type rnet here in the dialog box, then click OK. 15 On the Properties page, click Module Status. If a Modstat report appears, the i-Vu® application is communicating with the controller. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 104: Troubleshooting
Troubleshooting Troubleshooting If you have problems mounting, wiring, or addressing the TV-VAVB3-E2, contact Carrier Control Systems Support. LEDs Net (Network Status) Tricolor LED Color Pattern Condition Message in Module Possible Solutions Status • Connect Ethernet Cable Ethernet connection problem No Ethernet Link •... - Page 105 BACnet Device ID is not set Download required Download the controller Green Fast blink Installation of recently No action required Green downloaded driver is occurring Controller is starting up No action required Blue TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 106: To Use The Locator Led
Local Network tab > Local Devices table • i-Vu® interface on the Driver page. • In the Test & Balance tool on the Test and Balance tab. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 107: To Configure Custom Prog 1/2 Leds
• On the controller setup ModStat tab—See To set up the controller through the Service Port (page 88). See Module Status field descriptions (page 145) in the Appendix. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 108: Troubleshooting Inputs And Outputs
On the Details tab, scroll down to see the Reliability field under BACnet Configuration. Anything other than No Fault Detected indicates an error. See the table below to determine the error and possible actions to take. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 109: To Get A Device Log
To get a Device Log If Carrier Control Systems Support instructs you to get the controller's Device Log containing diagnostic information for troubleshooting: Select the TV-VAVB3-E2 in the i-Vu® navigation tree. On the Properties page, click Device Log. -
Page 110: To Get The Tv-Vavb3-E2'S Serial Number
VAVB3-E2 by shutting down communication from the TV-VAVB3-E2 to the i-Vu® application. When Out of Service, i-Vu® no longer communicates properties, colors, trends, etc. On the i-Vu® navigation tree, select the TV-VAVB3-E2. On the Properties page, check Out of Service. Click Accept. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 111: To Replace The Tv-Vavb3-E2'S Fuse
We highly recommend that you revert the defaults settings only under the guidance of Carrier Control Systems Support. To erase volatile memory data and restore factory default configuration settings, use AppLoader to download the appropriate clipping. -
Page 112: Compliance
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada. BACnet Compliance Compliance of listed products to requirements of ASHRAE Standard 135 is the responsibility of BACnet ® International. BTL is a registered trademark of BACnet International. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 113: Appendix A: Tv-Vavb3-E2 Points/Properties
Combination Baseboard or Non-ducted Heat. Outdoor Air Temperature – The current outdoor air temperature from a linked air -56 to 245°F source, if available, or from another network source. (-48.9 to 118.3°C) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 114: Unit Configuration
When active, the damper modulates to the 0 to 100% temperature control requirement or the RH override airflow, whichever is greater. This value is the percentage of the Maximum Cooling Airflow Setpoint. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 115 Occ Override Delay – The amount of time the controller remains occupied after the 15 minutes remote occupancy switch returns to the unoccupied position. 0 to 240 minutes TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 116 The offset is added to or subtracted from the controller's RH input value, and -15 to 15%rh the calculated value is shown in the Status > Space Relative Humidity. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 117: Setpoints
Occupied Cooling – Green 76°F 77°F 78°F 80°F The cooling setpoint the controller maintains while in occupied (24.4°C) (25°C) (25.5°C) (26.6°C) mode. 55 to 99°F (12.7 to 37.2°C) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 118 Unoccupied Heating setpoint. We recommend that the Unoccupied Heating 1 value be set no less than 0.5 °F (.27 °C) below the Unoccupied Heating setpoint. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 119 Cooling Design Temp – The geographically-based outdoor air temperature at which the 100°F (37.7°C) cooling system must run constantly to maintain comfort. This information is available in -100 to 150°F ASHRAE publications and most design references. (-73.3 to 65.5°C) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 120 LtBlue – The amount the zone’s learned heating capacity is adjusted when the Learning 0.0600 .0333 Adaptive Optimal Start algorithm runs, when the zone’s thermographic color at 0 to 1 occupancy is light blue. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 121 Learning Adaptive Start – Unit gradually changes to occupied setpoints by adjusting the unoccupied setpoints over a specified period of time to achieve the occupied setpoint by the time scheduled occupancy begins. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 122 To configure setpoint properties for ZS sensors, CTRL+click anywhere on the Zone Setpoints: graph at the top of the Setpoints section in order to access the Properties popup. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 123 Allow Setpoint Adjustment – Check to allow setpoint adjustments on the specified ZS (1) enabled sensor. disabled/enabled Sensor Setpoint Adjust Option – Check to select the ZS setpoint adjustment display. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 124: Alarm Configuration
Space Humidity Alarm in the unoccupied mode if RH Control is set to 45 to 100%rh Enable. There is a fixed hysteresis of 5%rh for return to normal. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 125 Supply Air Temp alarm is active. Ignore/Display Dirty Filter Alarm – If set to display, shows the alarm indicator on the communicating Display zone sensors, if a Filter alarm is active. Ignore/Display TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 126: Service Configuration
0. (We do not recommend configuring the minimum occupied airflow setpoint to 0, as this does not meet minimum ventilation Enable requirements.) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 127 Fan-powered terminals are limited to no more than 2 stages. One stage Two stages Three stages Valve Type – The hot water valve's position with no power applied to the valve. NC/NO (normally closed/normally open) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 128 0 to 9999 ppm 2000 ppm CO2 Sensor Value @ Max Volts – The ppm value that correlates to the hardwired CO sensor's high voltage reading. 0 to 9999 ppm TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 129 Leave this field at 154 seconds. Direction Clockwise – If Damper Actuator is set to Integral – onboard, set this Open field to the damper's position when it rotates clockwise. Close/Open TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 130 Use supply air for heating when Heat Mode is ON — This must be checked for all Checked applications. To only use the minimum airflow in heating, set Service Checked/Unchecked Configuration > VAV Heating to Disable. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 131 Address - Enter the DIP switch settings that are on the additional ZS sensors (up to 5 total) or RnetID assigned to each wireless sensor in SensorBuilder • Lock Display - Check to make the sensor display-only TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 132 Value, in order to calibrate an individual ZS or wireless sensor's sensed value. • Combination Algorithm - Use Average, Maximum, or Minimum ZS or wireless humidity to calculate the Corrected Value for humidity control. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 133 System Setpoint Adjustment – The space temperature setpoint adjustment value -5 to 5 °F received over the network. (-2.7 to 2.7 °C) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 134: Maintenance
(-11.1 to 11.1 °C) Effective Heat Setpoint – The current heating setpoint. May include offsets from _°F/C configured occupied/unoccupied setpoints resulting from Optimal Start to Demand Limit. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 135 Cooling BTU's – Current Cooling Energy being delivered to the space. 0 to 99999 BTU (0 to 99999 KJoules) Heating BTU's – Current Heating Energy being delivered to the space. 0 to 99999 BTU (0 to 99999 KJoules) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 136 Maximum Duration: – Maximum value (up to 960 minutes) the 60:00 mm:ss microblock outputs, regardless of additional pulses from the controller's 0 to 960:00 mm:ss input. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 137 EI Weighting Factor – Creates a weighted average of a zone EI value by indicating the priority of that zone in an EI roll-up. A value of 0 disables the zone from an EI roll-up. 0 to 1000.0 TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 138: Alarms
Heat Valve Cycling – Indicates if the heating valve exceeds the limit of cycles per Normal/Alarm period. Heat Valve Fail – Indicates if the heating valve fails. Normal/Alarm TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 139: Linkage
No/Yes Inhibit Cooling Call from this zone? - VVT system only. If Yes, the VVT Master ignores this controller as a cooling caller. No/Yes TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 140 Airside Linkage Status is Active. (0 to 1.245 kPa) Air Source Outdoor Air Temp – Displays the air source’s OAT when Airside Linkage -56 to 245°F Status is Active. (-48.9 to 118.3°C) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 141: I/O Points
Properties > Details tab are listed below. For more (-48.9 to 118.3°C) information, see the Carrier Sensors Installation Guide. Do not adjust the following settings: Min Present Value - Minimum present value the sensor transmits before indicating 45°F (7.2°C) - Page 142 Zone Temp – The value provided by the controller's ZS or wireless sensor (if present). _F° ZS Zone CO2 - IAQ/CO2 signal received from CO2-enabled ZS Sensor(s). _ppm TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 143 COV Increment – To reduce Rnet traffic, you can force the microblock to update its output only when the sensed value changes by more than the COV Increment. 0 to 100 TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 144 Heating Stage 2 - The current hardware state of the controller's BO-02 output. Off/On Fan S/S or EH 3 - The current hardware state of the controller’s BO-03 output. The Off/On function of this output depends on the terminal type. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 145: Appendix B: Vav Terminal Modes
Disable Disable Parallel Fan Series Fan Heating Minimum cfm (Cool) Disable Enable Single Duct Reheat Minimum cfm Enable Series or Heating Minimum cfm (Cool) Enable Enable Parallel Fan TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 146 Single Duct, Pressurize Maximum Cool cfm Disable Disable Parallel Fan (Cool) Series Fan Pressurize Maximum Cool cfm Enable Enable (Cool) Evacuation/ Evac Close Damper Disable Disable Shutdown (Linked) TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 147: Appendix C: Zs Sensor Display For Tv-Vavb3-E2
The Rnet tag is displayed on the ZS sensor display. • To view properties on the Info Screen, press the button. Tap the button to cycle through information. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... -
Page 148: Appendix D: Bacnet Points List
Power Fail Restart Delay start_delay AV:9007 Setpoint Adjustment °F stpt_adj AV:1006 Setpoint Adjustment Range °^F stpt_adj_range AV:9015 Space Relative Humidity space_rh AV:1011 Space Temperature - Prime Variable °F space_temp AV:2007 TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 149 1=Sensor Failure spt_status MSV:2003 2=SPT Sensor 3=T55 / T56 4=Network 5=Airside Linkage 6=Locked Value 7=ZS Sensor 8=Wireless Sensor Terminal Mode 1=Off terminal_status MSV:2006 2=Heating 3=Warm-Up 4=Vent 5=N/A 6=Cooling TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
- Page 150 Supply Air Temperature 0=Normal sat_alarm BV:7004 1=Alarm Wireless Battery Strength Alarm 0=Normal ws_batt_alarm BV:7064 1=Alarm Wireless Signal Strength Alarm 0=Normal ws_sig_alarm BV:7065 1=Alarm ZS/WS Sensor Configuration 0=Normal zs_config_fail BV:7055 1=Alarm TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved...
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Page 151: Appendix E: Module Status Field Descriptions
Gives the current status of the controller's networks. See LEDs (page 98) for all possible conditions. System error message history High-severity errors since the last memory download. Shows the most recent 10 messages. See NOTE below this table. TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 152 See NOTE below this table. Core and Base board hardware Gives the following information about the controller's boards: • Type and board numbers that are used internally by Carrier. • The manufacture date and serial number. Number of BACnet Objects The number of BACnet objects that were created in the device and the number of those objects that are network visible.
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Page 153: Document Revision History
Important changes to this document are listed below. Minor changes such as typographical or formatting errors are not listed. Date Topic Change description Code* No changes yet. * For internal use only TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022 Installation and Start-up Guide All rights reserved... - Page 155 Carrier ©2022 · Catalog No. 11-808-874-01 · 2/23/2022...