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Residential automatic valves
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- Contents
- Table of Contents
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Table of Contents
- 1 Installing the Valves
- 2 How to Operate
- 3 Troubleshooting
- 4 Troubleshooting Guide
- 5 Replacement Parts
- Download this manual
Troubleshooting
and Maintenance Guide for
Residential Automatic Valves
1
Table ofContents
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Table of Contents
Troubleshooting
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Summary of Contents for Rain Bird CP
- Page 1 Troubleshooting and Maintenance Guide for Residential Automatic Valves...
- Page 2 Controller Supply Line Valve Box Controller Sprinklers Zone BASIC AUTOMATIC Valve Water Flow IRRIGATION SYSTEM Shut off Supply Line COMPONENTS Valve Water Flow Sprinklers DIAGRAM Zone Valve Water Flow Valves are an essential part of any sprinkler system. They are the link between the "brains" of the system (the controller) and the sprinkler heads, to turn the water on and off.
- Page 3 Types of Zone Valves There are two basic types of zone valves commonly available. Anti-Siphon Valves Anti-siphon valves have a built-in backflow device to prevent possibly contaminated water from flowing backward into the household supply. If approved by your local codes, these types of valves provide inexpensive backflow protection.
- Page 4 If your water is supplied by a municipal water system, check with your local Rain Bird dealer or plumbing supplier for the type of backflow prevention device required in your area. For specific infor- mation about backflow and the types of backflow prevention devices available, please call our toll- free number.
- Page 5 Tips On New Installations Tapping Into Your Water Source Turn off the water at the meter. Cut into your household service line and install a system appropriate tee, after the meter. The tee selected will depend on the type of service line piping. The cut can be done anywhere on the line, depending on the layout of your system and the location of your first manifold.
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Page 6: Installing The Valves
Installing the Valves If you are installing a new in-line valve manifold, or grouping anti-siphon valves together, keep in mind that the location should be easily accessible for maintenance. Locate the manifold where you are not likely to be sprayed by the sprinklers when turning the system on manually. On larger sys- tems, separate valve groups may be required for the front and back yards. -
Page 7: How To Operate
Test and flush each line before sprinklers are attached. How to Operate Several models of Rain Bird 24 Volt valves are available for home use. Minimum current require- ments for opening the smaller valves is .30 amps and for holding the valve open is .19 amps. Larger valve models have slightly higher requirements. -
Page 8: Troubleshooting
Troubleshooting How the Valve Works It is easier to troubleshoot valves if you know a little about how the valve works. When an electrical impulse is transmitted to the solenoid (black cylinder with wires), an electromagnetic field causes a small metal plunger in the solenoid to move upward. When the plunger moves upward, a small hole (port) in the valve is uncovered. -
Page 9: Troubleshooting Guide
D. Are water pressure and flow rate adequate for your particular valve model? (Check the instructions that came with the valve or call us toll free at 1-800-RAIN-BIRD for the requirements of your particular Rain Bird valve model.) If your pressure is too low, in- vestigate these causes: ... - Page 10 TROUBLESHOOTING GUIDE SYMPTOM CAUSE DIAPHRAGM VALVE REMEDY 2. Valve won't turn on D. Valve opening See if you can flush debris from the valve by using the flush mode. If with controller mechanism damaged not, turn off the water, disassemble, inspect and clean the valve (See (continued) or clogged with debris.
- Page 11 -A and 4-B above. If area around sprinkler has dried out somewhat, the problem is probably due to drainage from the piping. This line drainage can be stopped by using a Rain Bird Sprinkler or Rotor with a SAM Check Valve. Different models are available through professional in- stallers, retailers, or the Rain Bird Online Store.
- Page 12 TROUBLESHOOTING GUIDE SYMPTOM CAUSE DIAPHRAGM VALVE REMEDY 7. Water leaks out at A. Leaking round pipe Tighten connections (use PTFE thread tape only). valve connections B. Leaking between Check that diaphragm washer is properly in place. Tighten bonnet bonnet and body screws.
- Page 13 Diaphragm Valve Disassembly Procedure To inspect the inside of the valve for cleaning or replacement of the diaphragm: 1. Shut off the water at the master shut off valve. 2. Unscrew all bonnet screws if present or unscrew jar-top lid. On some models, the bleed screw and/or flow control knob will also need to be removed.
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Page 14: Replacement Parts
Rain Bird Corporation 6991 East Southpoint Rd. Bldg #1 Tucson, AZ 85756 Questions? In the USA or Canada, call Rain Bird toll free Technical Support at 1-800-RAINBIRD (800-724-6247) www.rainbird.com © Copyright 2016 Rain Bird Corporation ® Registered trademark of Rain Bird Corporation...
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