112
ESP-LXIVM Series Controllers
Connect the other end of the ground wire to a grounding rod(s)
and/or plate with a resistance to ground of 10 ohms or less.
NOTE: More information and guidelines on grounding elec-
tronic equipment in irrigation systems can be found on the
American Society of Irrigation Consultants (ASIC) website at
www.asic.org/Design_Guides.aspx. If you have any questions
about properly grounding the controller, contact Rain Bird
technical assistance at 1-866-544-1406.
5/8” x 8”
Length
Copper-Clad
Grounding
Rod
To
Controller
Welded
Connection
8’
8’
15’
4” x 96” Copper
Grounding
Plate
Ground
Enhancement
Material
(if required)
Once wiring is completed, fi ll top of conduit with waterproof
caulking to prevent insect intrusion into the controller cabinet.
IVM-SD provides surge protection for the ESP-LXIVM Controller
and the IVM 2-Wire interface module against electrical surges
originating from each 2-Wire Path utilized. IVM-SD shall be
spliced into each 2-Wire Path immediately where the IVM-SD can
be taken to ground to the ESP-LXIVM Controller.
2-Wire Path
The 2-Wire path shall be surge protected and grounded with
one IVM-SD every 500 feet or every 15 fi eld devices, whichever
is smaller.
Termination of 2-Wire Path – An IVM-SD shall be installed at the
end of the 2-Wire path in a STAR confi guration.
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