Troubleshooting - Rain Bird JTV Instrucciones Para Instalar


Before Installation
refer to the Rain Bird lrrigation Design Guide. Refer to
1. Make sure you have sufficient water supply, pressure,
local building codes for additional requirements.
and flow. Connect pipes to primary water source.
3. Flush the system thoroughly until the water from the 
2. Install master valves, pressure regulators, and backflow
submain runs clear.
preventers as needed. For system design information,
Connect Adapters to Valve
4. (Threaded non-union models only) 4a 5. Screw the adapters into the valve water ports and hand 5
To make a watertight seal, wrap 1 1 ⁄ to 2 turns of tighten.
2
Teflon tape around the threads on two male x slip
6 Carefully tighten the adapters one to two additional
adapters (A) or on the male threads of the valve
turns past hand-tight.
(B; MM and MB models)
CAUTION: Do not over-tighten the adapters. You may
4b (Threaded union models only)
damage the valve or block the exit ports.
To make a watertight seal, use male threaded adapters
with a smooth, flat face for the o-ring to seal against.
CAUTION: Do not use teflon tape for union valve
models.
Connect Valve to Pipes
8. Cement the lateral pipe to the adapter (A, threaded 8
7
7. Carefully apply a small amount of solvent cement to the
connector) or valve outlet port (B, slip connector), as
inside of the adapter (A, threaded connector) or valve
described in step 7.
inlet port (B, slip connector). Apply a small amount of
9. To attach an MB model valve to low-density
9
cement to the outside of the water supply pipe. Then
polyethylene pipe, cut the pipe square and clean. Slip
attach the valve to the pipe. The valve solenoid MUST
one or two clamps over the poly pipe.
be on the downstream side (C).
If necessary, carefully heat the poly pipe for easier
CAUTION: Use only a small amount of solvent
installation. Slip the poly pipe completely over the barb
cement. Excess cement can damage the valve
(A). Then clamp (B) the pipe securely to the barb for a
internally.
leak-proof seal.
Connect Valve Wires
10. Select a wire gauge that meets electrical specifications.
Use a watertight connector to connect the second lead
Multi-strand, direct-burial wire is recommended. Refer
on each valve to a power wire (B). Each power wire
to local building codes for additional requirements.
must be run separately to the controller.
11. Use a watertight connector to connect one lead on each 11 1 12. Connect the shared common wire (A) to the common
valve to a common wire (A). Either lead may be used. terminal on the controller. Connect one power wire from
All valves on the same controller can share the same
each valve (B) to a station terminal on the controller.
common wire.
Operate Valve Manually
13 To open the internal bleed, turn the solenoid handle (A) head screwdriver. To increase flow, turn the stem
1
counterclockwise ⁄ to ⁄ turn. Be sure to re-tighten the counterclockwise.
1 1
4 2
solenoid completely. Always use the solenoid handle,
To open the external bleed, turn the bleed screw (C)
which is designed to shut the valve off completely and
counterclockwise two turns. Use the external bleed to
keep it from "weeping."
flush the valve when you first start the system. Turn the
screw clockwise to close it.
To reduce flow (JTVF models only), turn the flow
control stem (B) clockwise. Use your fingers or a slot-
GB
Operating Ranges
100-JTV, 100-JTVF, 100-JTV-MB
Flow 2
1 to 30 GPM
(0,23 to 6,82 m
0,06 to 1,89 l/s)
15 - 15O psi
Pressure
(1,0 - 10,3 bars)
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 solendoid ⁄ turn and then tighten the solenoid completely (
1
2
completely. tight). Use the solenoid handle, which is specifically designed to shut the valve off completely
Sprinklers "weep."
and keep it from "weeping." Also tighten the bleed screw and bonnet.
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 bars), install a
(water hammer).
pressure regulator on the line before the valve to reduce water pressure.
Connectors on Union Check to ensure the yellow o-ring inside the union connector is in place. If lost, replace with
Valve are leaking part #231771. If necessary, tighten connectors further.
Valve opens manually Check for blocked dump port (especially slip
but not electrically x 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.

3
1 , 100-JTV-SS, 100-JTVF-SS
3 /h;
3 /h or 1,9 I/s).
6
⁄ turn beyond hand
1
4
8
A
B
11
JTV with Bonnet and Diaphragm Removed
A
B
Poke wire through this slot
to clear adhesive.
GB
4 5
A B B
7
C
A
B
9
A
B
12 13
A
A
COM 1 2 3 4 5 6
B
C
B
B