Why does the Air Monitor VOLU-flo/OAM II flow reading seem inaccurate?
If the flow readings on your Air Monitor Transmitter seem inaccurate for the current conditions, ensure the transducer is appropriately sized for the duct's flow and that the correct span value is selected in the Transducer Configuration menu. If both are correct, calibrate the transducer and verify the air handler's operation.
What to do if the Air Monitor VOLU-flo/OAM II Transmitter's total flow exceeds the Design Flow Max setting?
If the total flow exceeds the Design Flow Max setting on your Air Monitor Transmitter, the flow setting may be too low for the actual duct flow. Try increasing the DFM setting. If this doesn't resolve the issue, the duct flow might be beyond the transducer's capacity, possibly requiring a new transducer.
How to troubleshoot 0 FPM reading on Air Monitor Transmitter?
If your Air Monitor Transmitter displays 0 FPM in Normal Mode, verify that the fan is operational and that the flow is above the lockdown value. Also, ensure that the autozero function is not active.
Why is the temperature reading on my Air Monitor VOLU-flo/OAM II Transmitter so low (-50° F)?
If your Air Monitor Transmitter shows a temperature of -50° F, the calibration might be incorrect, or the RTD may have a loose wire connection.
General| Brand | Air Monitor |
|---|---|
| Model | VOLU-flo/OAM II |
| Category | Transmitter |
| Language | English |
Explains the manual's scope for installation, operation, and maintenance.
Illustrates common system configurations for airflow measurement.
Details technical specifications of the OAM II transmitter and sensors.
Outlines environmental conditions for proper installation and operation.
Provides criteria for choosing optimal installation locations for system components.
Details the process and requirements for mounting the OAM II transmitter enclosure.
Describes the types of airflow sensors and their general placement.
Explains requirements and restrictions for installing airflow sensors at various inlet types.
Provides detailed diagrams and guidelines for installing airflow sensors.
Guides on connecting signal tubing for airflow sensors to the transmitter.
Details the terminal blocks for power input and signal connections.
Explains the different operational modes available for the OAM II transmitter.
Describes how display information varies across different operating modes.
Details the meaning of status indicators shown on the display.
Overview of the main menu options for system setup and access.
Configures system units, conditions, site elevation, velocity, and flow.
Sets inlet type, max flow, area, gain, and exponent for calculation.
Customizes display parameters like line content, timeout, and brightness.
Configures output type and assigns parameters to analog outputs.
Adjusts process and display filters, and sets lockdown values for signal smoothing.
Selects installed transducers and their units for accurate pressure measurement.
Sets up serial communication protocols like BACnet or MODBUS.
Allows users to fine-tune calibration based on actual site conditions.
Manages system password for security and user access control.
Enables and configures the automatic zeroing interval for pressure sensors.
Guides users through the process of calibrating pressure transducers.
Details the procedure for calibrating the device's analog outputs.
Allows setting a custom alphanumeric identifier for the device.
Resets the system to its original factory default configuration.
Displays system setup data, including serial number and firmware version.
Validates the functionality of autozero and analog outputs.
Details configuration for BACnet MS/TP serial communication.
Explains configuration and register map for Modbus RTU serial communication.
Guidelines for maintaining the cleanliness of the OAM II unit.
Verifies secure signal connections and mounting hardware.
Inspects wiring for good connections and absence of corrosion.
Recommends scheduling re-calibrations based on facility needs.
Solutions for when the display shows 0 FPM in Normal Mode.
Addresses issues where total flow exceeds the configured design maximum.
Solutions for a temperature reading that remains fixed.
Explains that a very low temperature reading may indicate calibration or wiring issues.
Troubleshooting steps for inaccurate flow readings, including transducer sizing and calibration.
Outlines the terms and conditions of the product warranty.
Lists conditions and actions that void the product warranty.
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