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3
Before Installation
to the Rain Bird lrrigation Design Guide. Refer to local building
1. Make sure you have sufficient water supply, pressure, and
codes for additional requirements.
flow. Connect pipes to primary water source.
3. Flush the system thoroughly until the water from the
3
2. Install master valves, pressure regulators, and backflow
submain runs clear.
preventers as needed. For system design information, refer
Connect Adapters to Valve
Carefully tighten the adapters one to two additional turns
4
To make a watertight seal, wrap 1
1
⁄
to 2 turns of Teflon tape
6
2
past hand-tight.
around the threads on two male x slip adapters (A) or on the
male threads of the valve (B; MM and MB models)
CAUTION: Do not over-tighten the adapters. You may dam-
5. Screw the adapters into the valve water ports and hand
5
age the valve or block the exit ports.
tighten.
Connect Valve to Pipes
8. Cement the lateral pipe to the adapter (A, threaded connec-
8
7. Carefully apply a small amount of solvent cement to the
7
tor) or valve outlet port (B, slip connector), as described in
inside of the adapter (A, threaded connector) or valve inlet
step 7.
port (B, slip connector). Apply a small amount of cement to
9. To attach an MB model valve to low-density polyethylene
9
the outside of the water supply pipe. Then attach the valve
pipe, cut the pipe square and clean. Slip one or two clamps
to the pipe. The valve solenoid MUST be on the downstream
over the poly pipe.
side (C).
If necessary, carefully heat the poly pipe for easier installa-
CAUTION: Use only a small amount of solvent cement. Excess
tion. Slip the poly pipe completely over the barb (A). Then
cement can damage the valve internally.
clamp (B) the pipe securely to the barb for a leak-proof seal.
Connect Valve Wires
10. Select a wire gauge that meets electrical specifications.
Use a watertight connector to connect the second lead on
Multi-strand, direct-burial wire is recommended. Refer to
each valve to a power wire (B). Each power wire must be run
local building codes for additional requirements.
separately to the controller.
11. Use a watertight connector to connect one lead on each valve
11
12
12. Connect the shared common wire (A) to the common ter-
to a common wire (A). Either lead may be used. All valves on
minal on the controller. Connect one power wire from each
the same controller can share the same common wire.
valve (B) to a station terminal on the controller.
Operate Valve Manually
13 To open the internal bleed, turn the solenoid handle (A)
To open the external bleed, turn the bleed screw (C) counter-
13
counterclockwise
1
⁄
to
1
⁄
turn. Be sure to re-tighten the
clockwise two turns. Use the external bleed to flush the valve
4
2
solenoid completely. Always use the solenoid handle, which
when you first start the system. Turn the screw clockwise to
is designed to shut the valve off completely and keep it from
close it.
"weeping."
To reduce flow (JTVF models only), turn the flow control stem
(B) clockwise. Use your fingers or a slot-head screwdriver. To
increase flow, turn the stem counterclockwise.
GB
Operating Ranges
100-JTV, 100-JTV-MB
1
, 100-JTV-SS, 100-JTVF-BSP
Flow
1 to 30 GPM
2
(0,23 to 6,82 m
0,06 to 1,89 l/s)
Pressure
15 - 150 psi
(1,0 - 10,3 bar)
1
JTV/JTVF male x male (MM) and male x barb (MB) are not recommended for flows exceeding 30 GPM (6,8 m
2
For flows below 3 GPM (0,75 m
3
/h or 0,21 I/s), or any Landscape Drip application, use RBY-100-200MX filter installed upstream.
Troubleshooting
Symptom
Solution
Valve won't shut off
Loosen solenoid 1/2 turn and then tighten the solenoid completely (1⁄4 turn beyond hand tight).
completely.
Use the solenoid handle, which is specifically designed to shut the valve off completely and keep
it from "weeping." Also tighten the bleed screw and bonnet.
Sprinklers "weep."
Use the external bleed screw to flush the valve. If performance does not improve, turn off water.
Unscrew bonnet and remove. Remove diaphragm and clean it in clear water. Reinstall diaphragm
and bonnet. If necessary, replace the diaphragm with kit number 231771.
Valve won't open.
Check water source, controller power, and flow control to make sure they are open.
Turn off water. Unscrew bonnet and remove. Inspect body for debris. If filter is missing from
diaphragm, replace diaphragm with kit number 231771.
Turn off water. Remove solenoid and replace with a known working solenoid. If the valve still
won't open, replace the solenoid.
Valve slams on/off
Check system water pressure. If pressure is greater than 80 psi (5,5 bar), install a pressure
(water hammer).
regulator on the line before the valve to reduce water pressure.
Valve opens manually
Check for blocked dump port (especially slip x
but not electrically.
slip). Remove bonnet. Remove diaphragm.
Insert a probe (flag marker wire or paper clip)
as shown.
NOTE: During winter shutdown, drain the system to protect JTV valves from freezing. Failure to properly drain lines may damage the valves. Be
sure to comply with all local guidelines.
4
3
3
/h;
/h or 1,9 I/s).
3
6
8
A
B
JTV with Bonnet and Diaphragm Removed
11
Poke wire through this
slot to clear adhesive.
A
B
GB
4
5
A
B
B
7
A
C
B
9
A
B
12
13
A
A
COM
1
2
3
4
5
6
B
C
B
B
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