ESP-SMT Smart Modular Control System
22
M
If Point Source Drip is selected, a
series of notes will be displayed to
describe how to determine the net
application rate for point source
emitters.
a. Continue to press NEXT to advance
to the next screen.
b. Press the NEXT button.
c. Press the NEXT button.
d. Similar to other sprinkler types, the
default net application rate for point
source drip will appear.
e. Use the - or + button(s) to change
the value until it matches the
conditions of the zone. Press the
NEXT button and the CYCLE/SOAK
screen will appear.
M
DRIP Zone 10
Net Application Rate:
NEXTBACK
0.80 in/hr
M
POINT SOURCE EMITTERS
NEXTBACK 1 of 3
Net Application Rate
is calculated as
(96.25 * Zone GPM) +
Estimated Soil Wetted
Area of all point
source emitters.
M
DRIP Zone 10
Net Application Rate:
NEXTBACK
0.60 in/hr
Drip Irrigation Emitter
Application Rates
Clay Soil
Flow in
Gallons per
hour
Wetted Area
(Dia. Ft.)
Wetted Area
(Sq. Ft.)
Application
Rate (inches
per hour)
0.5 2.0’ 3.14 0.26”
1 2.5’ 4.91 0.33”
2 3.0’ 7.07 0.45”
5 3.0’ 7.07 1.13”
Loam Soil
Flow in
Gallons per
hour
Wetted Area
(Dia. Ft.)
Wetted Area
(Sq. Ft.)
Application
Rate (inches
per hour)
0.5 1.5’ 1.77 0.45”
1 2.0’ 3.14 0.51”
2 2.5’ 4.91 0.65”
5 2.5’ 4.91 1.63”
Sandy Soil
Flow in
Gallons per
hour
Wetted Area
(Dia. Ft.)
Wetted Area
(Sq. Ft.)
Application
Rate (inches
per hour)
0.5 1.0’ 0.79 1.02”
1 1.0’ 0.79 2.03”
2 1.25’ 1.23 2.61”
5 1.25’ 1.23 6.52”
M
POINT SOURCE EMITTERS
NEXTBACK 1 of 3
Application Rate is
calculated by first
calcuting the Total
Zone GPM and
Estimated Wetted Area
in Sq Ft.
a.
d.
c.
M
POINT SOURCE EMITTERS
NEXTBACK 1 of 3
Zone GPM is (# of
Emitters * Flow Rate
of Emitters in GPH)
and dividing by 60
b.
e.
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