Table of Contents
Advertisement
Sensor Alert Scan
Displays alert codes for expected sensors. Sensors operating properly will
display NoAlert.
Other Alert Codes
Alert Code
Type
Missing
ALERT
SensAOOR
ALERT
or
SensBOOR
DeltaOOR
ALERT
TempOOR
RANGE
Disabled
ALERT
VelOOR
RANGE
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.
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.
Send/Receive arrows flashing indicates the sensor(s) and transmitter are communicating
normally
Transmitter processor normal
Field Characterization has been turned on
®
Description
Transmitter cannot communicate with Sensor
Sensor fault
Sensor Delta Temperature out of range
Temperature measurement out of range
(-20 to 140°F)
Sensor resets abnormally
Average velocity exceeds 5000 FPM for ducted
and 10,000 FPM for Fan Inlet
Sensor Alert Scan
Sensor 1:
Disabled
SENSOR
ALERT CODE
1
Disabled
2
NoAlLert
ESC - Leave UP/DN - Scroll
Corrective Action
Power cycle system and recheck.
Replace sensor. Contact Greenheck.
Contact Greenheck.
Verify application temperature is not outside -20
to 140°F. If Vari-Green appears to be reporting
incorrectly, contact Greenheck.
Power cycle system and recheck.
Verify factory set-up information is correct. If
application velocity exceeds 5000 FPM, contact
Greenheck.
Total Flow
520 ACFM
Velocity
Temperature
Vari-Green® Transmitter
FREQ
41
417.1 AFPM
72.71 F
9
Advertisement
Table of Contents
