• ETM-OE: ET Manager outdoor enclosure
option made with heavy-duty weather resistant
plastic and 110-volt AC outlets. This case is
lockable and the dimensions are 11
5
⁄8" H x 9
1
⁄2"
W x 4
1
⁄4" D
• ETM-RG: Tipping Bucket Rain Gauge (1mm/
tip) w/ 30’ Cable.
ET Formula
Evapotranspiration (ETc) is calculated by the ET
Manager using data from the weather signal via the
paging system. The ET Manager uses the Standardized
Reference Evapotranspiration Equation with a short
grass reference, prepared by the American Society of
Civil Engineers.
Resource CD Included with
your ET Manager
Included with your ET Manager is a resource CD con-
taining helpful tools such as:
• ET Manager Simulation and Animations
• Printable versions of worksheets used and
referred to in this manual
• Rain Bird ET Manager Scheduler
• Printable versions of application notes
Getting Ready to use
Your ET Manager
The following chapters will walk you through how to
install, program, and use your ET Manager.
• Installation, chapter 2
• Programming, chapter 3
• System Check, chapter 4
• Routine Operation, chapter 5
• Determining Programmable Settings, chapter 6
• Troubleshooting, chapter 7
• Advanced Output Methods, chapter 8
• Appendices, chapter 9
• Glossary, chapter 10
Rain Bird
®
ET Manager Series - Installation and Operation Manual
1. Introduction
8
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