Sensor Alert Scan
Displays alert codes for expected sensors. Sensors operating properly will
display NoAlert.
Other Alert Codes
Alert Code Type Description Corrective Action
Missing ALERT Transmitter cannot communicate with Sensor Power cycle system and recheck.
SensAOOR
or
SensBOOR
ALERT Sensor fault Replace sensor. Contact Greenheck.
DeltaOOR ALERT Sensor Delta Temperature out of range Contact Greenheck.
TempOOR RANGE Temperature measurement out of range
(-20 to 140°F)
Verify application temperature is not outside -20
to 140°F. If Vari-Green appears to be reporting
incorrectly, contact Greenheck.
Disabled ALERT Sensor resets abnormally Power cycle system and recheck.
VelOOR RANGE Average velocity exceeds 5000 FPM for ducted
and 10,000 FPM for Fan Inlet
Verify factory set-up information is correct. If
application velocity exceeds 5000 FPM, contact
Greenheck.
4.2 START-UP / OPERATION
After power and signal wiring has been verified in accordance with section
3.4, activate the external 24 VAC / 24 VDC power source.
1. Press the power button located on the bottom left corner of the front
cover to turn the system ON.
2. The display will show a loading bar. After reaching 100%, the display
will indicate which sensors have been discovered for approximately 2
seconds. Then the normal operating screen will be displayed.
The default normal operating screen will display Total Flow on the first
process line, Velocity (average of all enabled sensors) on the second
process line and Temperature (average of all enabled sensors) on the third
process line. Application tagging information is at the bottom of the screen
and is customer configurable.
Sensor Alert Scan
ESC - Leave UP/DN - Scroll
Sensor 1: Disabled
SENSOR ALERT CODE FREQ
1 Disabled 41
2 NoAlLert
Total Flow
520 ACFM
417.1 AFPM
Velocity
72.71 F
Temperature
Send/Receive arrows flashing indicates the sensor(s) and transmitter are communicating
normally
Transmitter processor normal
Field Characterization has been turned on
The following icons will always be displayed at the top of the normal operating screen. Press ENT to enter
menu screens. Follow instructions in section 4.1 to navigate.
Vari-Green® Transmitter 9
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