2. Installation
Rain Bird
®
ET Manager Series - Installation and Operation Manual
11
Wire Connections
Behind the terminal cover there are the following
wiring terminals (see Figure 6):
• 9-volt Battery:
Connect 9-volt alkaline battery,
to be replaced annually or as needed
• Ground:
Earth ground for surge protection
• Power:
12 to 30-volt AC/60Hz or 12 to 35 VDC
@ 0.22 (0.2) Amp max
• Jumper:
Connected for Enable Output Method
• Rain Tip In:
On-site tipping bucket rain gauge
input
• NOA:
Normally Open A terminal used for ET
Pulse
• A:
Valve Group A Common wire
• COM:
Valve common input from the sprinkler
controller
• B:
Valve Group B Common wire
• NOB:
Normally Open B terminal used for Rain
Pulse
• 6-Pin Serial Connection:
TTL serial port to
connect to a Personal Computer, requires the
ET Manager Programming Software (ETM-PS)
(sold separately)
• BNC:
External antenna connection
Figure 6. ET Manager Wire Terminal Connections