Toro Sprinkler 53763 User Manual

Jar Top Anti-siphon Valve Models 53763 & 53764  
Installation and Operating Instructions  
Specifications  
Valve Installation Guidelines  
Ensure the following requirements, in addition to all local code  
• Body Style:  
requirements, are met when installing the Toro Jar Top Anti-Siphon Valve:  
• AVB, 3/4" Female NPT (53763)  
• AVB, 1" Female NPT (53764)  
• Flow range (3/4"): 0.25–20 GPM  
• The installed height, measured from the valve base, must not be less  
than of 6" above the highest downstream outlet controlled by the valve.  
• The anti-siphon valve must not be subject to standing water which can  
rise to less than 6" from the base of the valve.  
• The anti-siphon valve must not be installed indoors (some spillage may  
occur) or in a valve box below ground level.  
• The installation site must be accessible to allow inspection and servicing.  
• Flow range (1"): 0.25–30 GPM  
• Operating pressure: 10–150 PSI  
• Solenoid:  
• Additional control valves must not be installed downstream of the anti-  
24 V a.c., 60Hz (nominal)  
siphon valve.  
19 V a.c., 60Hz (minimum)  
Inrush: 0.40 amps, 11.50 VA @ 24 V a.c.  
Holding: 0.20 amps, 5.75 VA @ 24 V a.c.  
• Friction Loss:  
• The anti-siphon valve must be installed vertically with the top of the  
anti-siphon cap level.  
• The valve must not be operated continuously for more than 12 hours in  
any 24-hour period.  
• Installing a manual shut-off valve between the main water supply and  
automatic valve or valve manifold is recommended for ease of valve  
maintenance and sprinkler system winterization.  
• Where local water pressure exceeds 70 psi, a pressure regulator should  
be used. (See Uniform Plumbing Code, Sec. 1007 [b].) It is advisable to  
use a regulator with any automatic valve to assure long life as well as  
uniform and controllable operation.  
GPM Flow  
PSI Loss (3/4") 2.0  
(1") 2.0  
0.25  
5
10  
4.2 4.2 4.8 7.6  
2.1 3.1 2.3 3.8 8.1  
15  
20 30  
Installation Procedure  
1. From the shut-off valve, route a supply pipe to the valve  
installation site. For UV protection, use dark gray  
Schedule 80 PVC on the inlet (pressurized) side of the  
valve and all PVC pipe installed above ground. Use  
Class 200 PVC on the underground sprinkler lines.  
Figure 1  
Slip x Male Thread  
PVC Adapters  
2. Flush the supply line thoroughly to remove all traces of  
dirt and debris.  
6" (minimum)  
3. Prepare two 1" slip/male thread adapters with three to five  
complete wraps of PTFE tape, evenly covering the threads.  
SCH 80 PVC Pipe  
From Water Source  
CAUTION: Use only PTFE tape on threaded valve  
connections. Pipe dope will damage plastic threads.  
Use SCH 80 PVC  
Above Ground  
4. Install the threaded adapters into the valve and tighten  
securely. Using PVC primer and cement, install the valve to  
the PVC pipe as shown in Figure 1.  
Manual Shut-Off Valve  
Class 200 PVC  
Underground  
5. Route a multi-wire, direct-burial sprinkler valve cable  
from the sprinkler timer to the valve location. If the cable  
run is less than 800', 18-gauge wire is sufficient. For dis-  
tances from 800'–2000', 14-gauge wire is recommended.  
6. Using wire splice connectors, attach either wire from  
each valve solenoid to the white cable wire. This wire is  
designated as the valve common wire. Connect the  
remaining wire from the solenoid to one of the color-  
coded cable wires. Ensure all wire connections are  
secure and waterproof.  
Figure 2  
Valve Common Wire  
CAUTION: Use Toro Waterproof Wire Connectors  
(Model # 53687) or grease caps on all wire splice  
connections to prevent corrosion, connection failure  
and short circuit.  
Waterproof  
Connector  
Model #53687  
7. At the sprinkler timer, connect the white common wire to  
the output terminal labeled “C” or “COM.” Connect each  
color-coded valve wire to the numbered output  
terminals in the order you wish the valves to operate  
during the automatic watering cycle.  
8. Open the shut-off valve from the water source. Test valve  
Multi-wire Cable from Timer  
operation using the timer or manually at the valve.  
 

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