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Tips on Installing
and Maintaining
Rain Bird
Residential Valves
Valves are an essential part of any
sprinkler system. They are the link be-
tween the "brains" of the system (the
timer) and the sprinkler heads to turn
the water on and off.
R R
AIN
AIN
Customer Support Center
6991 E. Southpoint Rd., Bldg. #1
B B
IRD
IRD
Tucson, AZ 85706
1-800-RAIN-BIRD
1
®
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Summary of Contents for Rain Bird CP-075
- Page 1 Tips on Installing and Maintaining Rain Bird Residential Valves Valves are an essential part of any sprinkler system. They are the link be- tween the "brains" of the system (the timer) and the sprinkler heads to turn the water on and off.
- Page 2 Valves are an essential part of any sprinkler system. They are the link between the "brains" of the system (the timer) and the sprinkler heads, to turn the water on and off. Most automatic sprinkler systems are set up with two types of valves. A brass "gate valve"...
- Page 3 PAS-075 The second type of valve is an "in-line" valve. It is installed below ground, preferably in a valve box, for ease of maintenance. A separate backflow preventer is required for backflow protection. In-line valves are automatic valves. CP-075 CP-100...
- Page 4 Anti-Siphon Valves Anti-siphon valves are an inexpensive choice and easy to install and maintain. The built-in anti-siphon backflow device prevents potential contamination of household wa- ter supplies from fertilizers and other toxic chemicals which may enter the system. Check your local codes for the types of backflow protection required in your area. Electric models are simple to hook up to a timer for automatic watering.
- Page 5 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.
- Page 6 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 brass slip-type compression tee, after the meter. 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 7: Installing The Manifold
Installing the Manifold If you are installing a new valve manifold, 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 systems, separate manifolds may be required for the front and back yards. -
Page 8: How To Operate
.19 amps. Larger valve models have slightly higher requirements. All Rain Bird valves are designed to work with Rain Bird timers and other timers that have a power output sufficient to activate the valve. Your Rain Bird valve offers some simple fea- tures you should be familiar with. - Page 9 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 elec- tromagnetic 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.
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Page 10: 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,. Investigate these causes: •... - Page 11 TROUBLESHOOTING GUIDE SYMPTOM CAUSE DIAPHRAGM VALVE REMEDY PISTON-TYPE VALVE REMEDY (See Valve Disassembly Procedure A) (See Valve Disassembly Procedure B) 3. Valve won't turn off with timer. A. When the valve won't turn off • Put timer in auto/off (Rain Shutoff) mode. If •...
- Page 12 TROUBLESHOOTING GUIDE SYMPTOM CAUSE DIAPHRAGM VALVE REMEDY PISTON-TYPE VALVE REMEDY (See Valve Disassembly Procedure A) (See Valve Disassembly Procedure B) 4. Water leaks out at sprinkler D. Low head drainage. (Continued) Stop watering on the soggy zone for two days. Check the lowest head on the line.
- Page 13 3. Rinse off the solenoid to remove debris. 4. Check condition of solenoid O-ring. 5. Replace solenoid if necessary with part number applicable to your particular model. Model Solenoid P/N Diaphragm P/N CP-075 or-100 208484 209391 EV-100 EV-100F 407200 407303...
- Page 14 •Body Seal* *May be combined as one piece. BLEED PORT VALVE BODY If you need further assistance, or other advice on installation, contact our customer service team at 1-800-RAIN-BIRD. CP-075-P CP-100-P EV-100 INSURE QUALITY - USE ONLY GENUINE RAIN BIRD PARTS...
- Page 15 Disassembling the valve for cleaning or part replacement — Disassembly Procedure B A removable actuator makes piston-type valves easy to access for maintenance. Should you need to clean the valve or replace a part, the actuator is removable follow- ing these procedures: 1.
- Page 16 A variety of parts and parts assemblies are available for Rain Bird valves. If your local Rain Bird dealer does not carry the part you need, ask if it can be ordered, or call our toll free Technical Services hotline for dealer referral or factory direct ordering infor- mation.
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