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®
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble, install,
operate or maintain the product described. Protect yourself and others by observing all safety information. Failure
to comply with these instructions will result in voiding of the product warranty and may result in personal injury
and/or property damage.
Transmitter
Version 1.0X
Thermal Airflow & Temperature Measurement System
Regarding This Manual
• This manual should be passed on to the end user.
• Before use, read this manual thoroughly to
comprehend its contents.
• The contents of this manual may be changed
without prior notice.
• All rights reserved. No part of this manual may be
reproduced in any form without Greenheck's written
permission.
• Greenheck makes no warranty of any kind with
regard to this material, including, but not limited to,
implied warranties of merchantability and suitability for
a particular purpose.
• All reasonable effort has been made to ensure the
accuracy of the contents of this manual. However, if
any errors are found, please inform Greenheck.
• Greenheck assumes no responsibilities for this
product except as stated in the warranty. If the
customer or any third party is harmed by the use of
this product, Greenheck assumes no responsibility for
any such harm owing to any defects in the product
which were not predictable, or for any indirect
damages.
Safety Precautions
The following general safety precautions must be
observed during all phases of installation, operation,
service, and repair of this product. Failure to comply
with these precautions or with specific WARNINGS
given elsewhere in this manual violates safety
standards of design, manufacture, and intended use
of the product. Greenheck Fan Corporation assumes
not liability for the customer's failure to comply with
these requirements. If this product is used in a manner
not specified in this manual, the protection providied
by this product may be impaired.
®
Table of Contents
1.1 Typical Meter Installation ..........................2
2.1 Probe Assembly .......................................3
Transmitter ...........................3
®
3.1 Inspection ................................................4
3.2 Installation Location Guidelines ..............4
3.4 Power and Signal Connections ...............4
4.1 Configuration ...........................................5
4.2 Start Up/Operation ..................................9
4.3 Analog Output Signals ...........................10
5.1 Maintenance/Inspections .......................10
5.2 Troubleshooting .....................................10
Purpose of This Manual
This manual provides information regarding the
installation, operation and maintenance of your
thermal airflow measurement system. This is NOT,
nor is it intended to be an electrical or HVAC trade
manual.
This manual is the basic reference tool for the
Vari-Green
Transmitter, including its mains power
®
connection and associated outputs. The complete
system consists of the transmitter and associated
probe array or stations. Refer to supplemental
documents for additional information.
Document 482599
Vari-Green
Transmitter
®
used on AMD-TD Series
Vari-Green
Transmitter
®
1
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Table of Contents
Summary of Contents for Greenheck VARI-GREEN SERIES
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Page 1: Table Of Contents
Greenheck’s written 3.0 Installation permission. 3.1 Inspection ..........4 • Greenheck makes no warranty of any kind with regard to this material, including, but not limited to, 3.2 Installation Location Guidelines ....4 implied warranties of merchantability and suitability for 3.3 Transmitter Placement and Mounting ..4... -
Page 2: General Information
32 individual flow sensors measuring airflow in a single duct, and it generates the outputs, including network and analog signals, which are conveyed to a local controller or BMS. Physical installation details for the probe array or flow stations can be found in Greenheck’s Installation Instructions. Typical Vari-Green Installation Thermal Airflow Transmitter ®... -
Page 3: Specifications
SECTION 2.0: Specifications 2.1 PROBE ASSEMBLY 2.2 VARI-GREEN TRANSMITTER SERIES ® INDIVIDUAL SENSOR ACCURACY SENSOR DENSITY Velocity: ±2% of reading from 0-5000 FPM Maximum number of sensors per transmitter is Temperature: ±0.1° F 32 total sensors per probe array or measurement station Multi-point NIST traceable calibration of both DISPLAY temperature and velocity... -
Page 4: Installation
The selected mounting location should be rigid and free of vibration. 3.3 TRANSMITTER PLACEMENT AND MOUNTING For placement of transmitter, see instruction manual at www.greenheck.com, 478799 AMD-XX-TD IOM. 3.4 POWER and SIGNAL CONNECTIONS NOTE: The Vari-Green transmitter terminal connections for power and signal wire are labeled on the board for installation convenience. -
Page 5: Configuration
Section 4.0: Configuration 4.1 CONFIGURATION All device configuration is done using the four button membrane keypad on the transmitter cover. Individual key functions depend on specific menu selection. The basic key functions include: ENT: Enters menu item from main or service menu; moves cursor to next item when in submenu ESC: Exits current page or submenu item UP Arrow: Moves cursor “up”... - Page 6 Height (In): and provides the details for all factory configured parameters. Width (In): 30.0 The measurement type for all Greenheck Vari-Green applications will be Area (ft2): 1.25 selected as ducted. One transmitter accepts up to 32 sensors. Max. Flow (CFM): 2000.0...
- Page 7 Field Characterization. For any questions or concerns regarding Field Characterization implementation, please contact Greenheck. Field Characterization On enables the Field Characterization and the selection of Calculate or Manual.
- Page 8 Calculate Characterization Calculator Number of Points is the number of flow reference points. Each point is one reference flow rate (determined by traverse testing or other) and Number of Points: the associated Vari-Green system flow rate. The traverse testing flow Electra Point 1: 300.0 rate for these reference points is performed before entering this screen...
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Page 9: Start Up/Operation
Corrective Action Missing ALERT Transmitter cannot communicate with Sensor Power cycle system and recheck. SensAOOR ALERT Sensor fault Replace sensor. Contact Greenheck. SensBOOR DeltaOOR ALERT Sensor Delta Temperature out of range Contact Greenheck. TempOOR RANGE Temperature measurement out of range Verify application temperature is not outside -20 to 140°F. -
Page 10: Analog Output Signals
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without notice. Product warranties can be found online at Greenheck.com, either on the specific product page or in the literature section of the website at Greenheck.com/Resources/Library/Literature.