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Connecting The Valve Control Wires
Multi-wire sprinkler control cable is recommended for the connection of
the control valves to the sprinkler timer. This waterproof cable can be
buried directly alongside the sprinkler pipe and is available in various
sizes and number of conductors ranging from 2 to 8 color-coded wires. If
the cable run is less than 800 feet, 18-gauge wire is sufficient. For dis-
tances greater than 800 feet, 14-gauge wire is recommended. Select a
cable with at least one wire for each valve plus one wire to serve as a
return common for all valves. For future expansion of the sprinkler system,
use a cable with extra wires to accommodate additional valves.
1. Run sprinkler cable from the timer to the valve location. Provide a 6"
loop of wire at each valve to prevent binding during
manual operation and/or servicing.
2. Using wire nuts, connect one wire from each valve solenoid (either
wire can be used) to the white cable wire. This wire is designated as
the valve common. Next, connect the remaining wire of each solenoid
to a separate color-coded wire. Note the wire color used for each
valve to reference when connecting to the timer. See Figure 4.
Note: Waterproof all wire splices with grease caps or similar products
to prevent corrosion, connection failure and possible short circuit.
Valve Common
Figure 4
(White Wire)
Wire Nut
Grease Cap
Control Cable From Timer
3. At timer, connect white common wire to the output terminal labeled
"C" or "COM". Connect each color-coded valve wire to the numbered
terminal in the order you wish the valves to operate during a watering
cycle. Refer to the installation instructions furnished with the timer for
additional information.
4. Test valve operation electrically using the timer's manual control fea-
ture. The valve should open within 5 seconds and close slowly within
60 seconds.
Troubleshooting
If you have tested the valve manually and electrically and are experienc-
ing a problem, refer to the following probable causes and solutions. If the
problem cannot be resolved, the Toro Help Line is available to assist you
at 1-800-367-8676, Monday through Friday from 7:30 a.m. to 4:00 p.m.
(Pacific Time).
The Valve Will Not Open
• Water supply turned off at meter and/or shut-off valve. Make sure
that both valves are turned fully counterclockwise to the open position.
• Valve flow control adjusted down completely. Make sure the flow
control is open at least one complete turn (counterclockwise) from the
fully closed position.
• Faulty wire connection(s). Check for loose or improper wire connec-
tions at valve and timer location. Repair as necessary.
• Timer malfunction. Check timer fuse. Improper wire connections can
cause fuse to blow.
• Solenoid malfunction. Turn solenoid counterclockwise to remove.
Shake solenoid to check plunger movement – it must slide freely.
Flush with clean water to remove debris. Test solenoid operation elec-
trically with timer. Solenoid should "click" when energized. Replace
with a new solenoid (model #53350) if required. Make sure solenoid
O-ring is installed. Install solenoid, turning it clockwise until snug. Do
(Items Not
not over-tighten!
Supplied)
• Sand or debris in discharge port. Turn solenoid counterclockwise to
remove. Keep solenoid away from soil. Carefully insert a straight pin
through the discharge port to remove debris. See Figure 5.
Caution: To prevent valve mal-
function, use care not to alter
or damage the discharge port
when cleaning.
Make sure the solenoid O-ring is
installed. Install the solenoid,
turning it clockwise until snug.
Do not over-tighten!
WARNING
TO AVOID INJURY, SHUT OFF THE VALVE WATER SUPPLY
PRIOR TO DISASSEMBLING ANY PORTION OF THE VALVE.
Figure 5
Spring
Solenoid
O-Ring
Union Nut
Discharge Port
Troubleshooting
(continued)
The Valve Will Not Close
FOR EMERGENCY SHUT-OFF: Turn the valve flow control fully
clockwise to shut the valve off and prevent operation.
• Solenoid loose in valve body. Make sure the solenoid is turned fully
clockwise until snug. Do not over-tighten!
• Solenoid malfunction. Turn solenoid counterclockwise to remove.
Shake solenoid to check plunger movement – it must slide freely.
Flush with clean water to remove debris. Test solenoid operation elec-
trically with timer. Solenoid should "click" when energized. Replace
with a new solenoid (model #53350) if required. Make sure solenoid
O-ring is installed. Install solenoid, turning it clockwise until snug. Do
not over-tighten!
• Debris on diaphragm seat. Referring to Figure 5, remove cap assem-
bly by turning it counterclockwise with pliers. Remove the spring. Grasp
the white plastic portion of the diaphragm assembly with needle nose
pliers and lift out. Clean the diaphragm thoroughly and check the seat
for damage. Replace with a new diaphragm (model # 53349) if neces-
sary. Install spring and cap assembly. Tighten the cap with pliers until
snug. Do not over-tighten!
Replacing The Valve
Referring to Figure 5, unscrew the large union nut using adjustable pli-
ers. Next, separate valve halves and remove from threaded pipe
adapters. Replace Teflon tape on the adapter threads and install a new
Toro 3/4" anti-siphon valve.
The Toro Promise – Limited One Year Warranty
The Toro Company warrants, to the owner, each new piece of equipment (featured in the current catalog at
Cap
date of installation) against defects in material and workmanship provided they are used for irrigation purposes
under manufacturer's recommended specifications for the period described above. Product failures due to acts
of God (i.e., lightning, flooding, etc.) are not covered by this warranty.
Toro is not liable for failure of products not manufactured by Toro even though such products may be sold or
used in conjunction with Toro products.
During such warranty period, Toro will repair or replace, at its option, any part found to be defective. Toro's
liability is limited solely to the replacement or repair of defective parts. There are no other express warranties.
Diaphragm
Return the defective part to the place of purchase of send postage prepaid with a dated, proof of purchase to
Seat
the Toro Service Center, 5300 Shoreline Blvd., Mound, Minnesota 55364.
This warranty does not apply where equipment is used, or installation is performed, in any manner contrary to
Toro's specifications and instructions, nor where equipment is altered or modified.
TORO IS NOT LIABLE FOR INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IN CONNEC-
TION WITH THE USE OF EQUIPMENT, INCLUDING BUT NOT LIMITED TO: VEGETATION LOSS, THE
COST OF SUBSTITUTE EQUIPMENT OR SERVICES REQUIRED DURING PERIODS OF MALFUNCTION
OR RESULTING NON-USE, PROPERTY DAMAGE, OR PERSONAL INJURY RESULTING FROM
INSTALLER'S NEGLIGENCE.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you.
ALL IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR USE,
ARE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY.
Some states do not allow limitations of how long an implied warranty lasts, so the above limitation may not
apply to you.
This warranty gives you specific legal rights and you may have other rights which vary from state to state.
Printing Date
© 1995 The Toro Company
February 1995 – Rev. D
Form No.
Printed in U.S.A.
368-0045
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