Operating Guide

2
Valve Operation
Manual Operation:
A
Manual on: Turn the solenoid counter-clockwise
1/4 turn. Do not unscrew completely. To close,
hand tighten clockwise.
B
Flow control (select models only): Turn clock-
wise to restrict ow. Turn counter-clockwise to
open ow.
C
Flush valve to clear debris: Turn the bleed screw
counter-clockwise ONLY 1 turn. Flush one min-
ute and turn clockwise to close.
First Use:
D
Open the main water supply and ush one min-
ute with bleed screw to clear debris.
E
Test wiring by using the Manual Water feature
on the irrigation controller.
F
Adjust the ow control to reduce over-spray.
(select models).
1
2
3
Operating Ranges
JTV/AS-075 &
JTV/ASF-075
JTV/AS-100 & JTV/
ASF-100
Flow
2
0.2 - 22 GPM 0.2 - 30 GPM
Pressure 15 - 150 PSI 15 - 150 PSI

NOTE: For ows below 3 GPM (0.75 m3/h), or
any drip application, use a 200 mesh lter ups-
tream and a pressure regulating lter downs-
tream from the valve. 40 psi for 1” and 30 psi for
3/4” drip lines.
Troubleshooting
Symptom Solution
Valve
Won’t Turn
On when
Solenoid is
Turned
Make sure ow control is open (select mod-
els)
Check that main water supply is on
Make sure piping is connected properly and
not blocked
Valve Won’t
Turn On at
the Timer
Verify timer settings are correct
Check and repair wiring and connections as
needed
Check and replace valve solenoid as needed
Verify timer power output
Valve Won’t
Shut-o
Verify timer settings are correct
Hand tighten solenoid and bleed screw if
needed
Valve Won’t
Turn On at
the Valve
Incorrect timer settings
Check wiring
Check solenoid
Timer not supplying power to the valve
Make sure the Flow Control stem is not
turned all the way closed
Leaks at
sprinkler
heads
Clear debris by opening the bleed screw and
ushing 1 minute
Remove and clean the diaphragm. Replace if
needed.
Leaks
around the
valve
Check pipe ttings connection and glue,
repair or replace as needed
Hand tighten solenoid and bleed screw if
needed
If vacuum breaker is leaking (anti-siphon mo-
dels) remove cap, gasket, and internal piston
gasket to clean and reassemble
Turn o main water supply, relieve pressure
on the valve by opening the bleed screw and
tighten the jar top bonnet

NOTE: During winter, shutdown and drain the
system to protect valves from freezing. Failure
to properly drain the lines can result in damage
to the valves, which is not covered under the
customer satisfaction policy.
Pressure Loss Chart
Pressure Loss - PSI
30
25
20
15
10
5
0
01020304
050
3/4" JTV-075
1" JTV-100
Flow Rate - GPM