
1Installation, Operation and Maintenance ManualforThermal Air Flow Measurement TransmitterVersion 1.4X & 1.5X®
105.5 – PUSHBUTTON DEFINITIONThe four pushbuttons used to interface with the Vari-Green are as follows: UP DN ENT ESCIn addition to use duri
11Main Menu Selection DescriptionOperator Password Selection Allows for the selection of password for the Operator Menu, and the bypassing of the pass
12 Note: All selections that are available for further configuration programming will have an “arrow” symbol displayed in the right side of the displ
135.8 – FLOW CONFIGURATIONThis Operator Menu selection is where all application specific data is entered to configure the Vari-Green for a unique applic
14Units List for VolumeUnit of Measurement DisplayActual cubic feet per minute ACFMActual cubic feet per hour ACFHActual liters per second Al/sActual
155.9 – DISPLAY CONFIGURATION (con’t)1. While in Operator Menu, use UP or DN to scroll to:2. Press ENT to enter Display Configuration menu. Display wil
165.10 – Output 2 Parameter SelectionAllows the selection of which process variables Output 2 represents.Process variables available for output are:
175.11 – Low Pass FilterAllows selection of level of Process filtering applied to the output. Levels are 0 to 10, with 0 representing no filtering and
185.13 – Transmitter Output CalibrationAllows for the calibration of the Vari-Green analog outputs.Note: Unit is supplied Factory calibrated.This sect
19Pushbutton Combination4-20mAOutput Type 0-5VDC0-10VDCUP only +0.001mA +0.3mV +0.6mVDN only -0.001mA -0.3mV -0.6mVUP* + ESC +0.01mA +0.003V +0.006VDN
2TABLE OF CONTENTSSECTION 1 – GENERAL INFORMATION1.1 DESCRIPTION ...
205.14 – K-Factor ConfigurationCautionIn the majority of applications, the use of a K-Factor is neither required nor desirable. Before using the K-Fact
215.14 – K-Factor Configuration (con’t)1. While in Operator Menu, use UP or DN to scroll to:2. Press ENT to enter K-Factor Configuration menu. Display w
221. While in Main Menu, use UP or DN to scroll to:2. Press ENT to enter Network Configuration menu. Display will indicate:3. Press ENT and display wi
231. While in Main Menu, use UP or DN to scroll to:2. Press ENT to enter Alarm Configuration menu. Display will indicate:3. Press ENT and display will
24Flow Alarm ConfigurationAlarm 1 Off/On SelectionOperator MenuAlarm 1 Off/OnOFFAlarm 2 Off/OnOFFAlarm 1, Low Setpt250 [units]Alarm 2, High Setpt250 [u
256 - Supervisor Menu6.1 – IntroductionThe Supervisor menu allows individual sensors to be enabled or disabled, scan all sensors for status, and perfo
261. While in Supervisor Menu, use UP or DN to scroll to:2. Press ENT to enter Supervisor password menu. Display will indicate:3. Press ENT and disp
271. While in Operator Menu, use UP or DN to scroll to:2. Press ENT to enter Sensor Management menu. Display will indicate:3. Press ENT to enter Senso
289. Press ENT. Display will indicate:This display will indicate which sensors are enabled.Only enabled sensors will be indicated on bar graphn by dar
296.4 – Diagnostic Display SelectionDiagnostic DisplaySensor Number: 1VELO XXX SFPMTEMP XX.X°F1 to 321- Sensor ManagementDiagnosti
3TABLE OF CONTENTSSECTION 6 – SUPERVISOR MENU 6.1 INTRODUCTION ...
30 4. Use UP or DN to scroll through all sensors that have an alert.Note: Only sensors with an existing alert will be displayed with its alert code.
316.6 – Power Cycle Sensor NetworkPower CycleAre you sure?NOYES or NO- Diagnostic ALERT DeterminationPower Cycle Sensor Network- SUPERVISOR MENU EXTSu
32Personnel should be familar with the operation of the Vari-green (see Section 5) before performing any troubleshooting.Problem SolutionDispaly blank
33Appendix ABACnet Standardized Device Profile (Annex L)BACnet Operator Workstation (B-OWS)BACnet Building Controller (B-BC)BACnet Advanced Application
34X Property Description set by AMC FirmwareX Device_Name set via Vari-Green transmitter menuX Max_Master set via Vari-Green transmitter menuX Max_Inf
35Data Link Layer Options (check all that are supported)BACnet IP, (Annex J)BACnet IP, (Annex J), Foreign DeviceISO 8802-3, Ethernet (Clause 7)ANSI/AT
4The Vari-Green utilizes thermal dispersion technology to measure airflow. As air moves across the surface of an elevated temperature sensor, heat is t
52.1 – ACCURACYSensor Accuracy. Velocity: ±2% of Reading Temperature: ±0.1ºFOverall System Accuracy. Flow: ±2-3% of Actual Flow Temperature: ±0
64 – INSTALLATION4.1 – RECEIVING AND INSPECTION• Carefully remove the Vari-Green Probe(s) or Station, and Transmitter from the shipping container and
74.4 – PROCESS CONNECTIONSSee separate Installation Instructions provided with the Vari-Green Probes or Station for information on connecting cables f
84.5 – POWER/SIGNAL CONNECTIONS (con’t)OUTPUT #2 (Terminals 3(+) and 4(-), P7). This output can represent the measured flow (0 - Design Full Range) or
9After 20 seconds, the display will return to Normal display mode, and the dot in the upper right of the display indicating CPU Activated will blink r
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