Nelson TWIG handleiding
Handleiding
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t
848 Airport Road, Walla Walla, Washington 99362 U.S.A.
Tel: +1 509.525.7660 / Fax: +1 509.525.7907
nelsonirrigation.com
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TWIG TROUBLESHOOTING STEPS FOR COMMUNICATION ERRORS:
1. Is there just one communication error or is there a group of them?
2. If there is more than one, are they all in the same area?
3. If this is the case check the TWIG signals in that area.
4. Go to the TWIGs that are having trouble and Reset any missing TWIG using the TWIG menu and
then rejoin it to the proper TD200 address number.
5. Return to the controller and verify that the signal shows the same as the TWIG. If the problem is
a weak signal then a TWIG-Repeater can improve the signal strength.
TO CHECK SOLENOID CONNECTIONS;
Go to the TWIG location. Use the solenoid activation feature to operate the solenoid. If the solenoid
clicks then the problem may be with the signal. If there is no solenoid click when tested then do the
following:
- Physically inspect the connections.
- Make sure the wires within the waterproof connectors are twisted tightly together,
making solid contact with one another
- If not made with waterproof connectors replace the connections.
TO CHECK THE SOLENOID COIL:
Disconnect the coil lead wires from the eld TWIG. The Nelson TWIG system valves are equipped
with low power latching solenoids. These solenoid coils are latch (or pulse) type solenoids that
switch by voltage polarity. The correct polarity is essential because the change from open to close is
made by reversing the pulse polarity.
TO TEST A LATCH TYPE SOLENOID COIL:
A normal ohmmeter test of resistance will not give the correct test results. In order to test the latch
coils use a multimeter with a diode-check setting. In red-to-black check direction the meter should
read ~0.6V. In black-to-red direction you should read open (innite) contact.
Once the trouble has been isolated you need to nd out what changed recently that may have
caused the problem.
a. Is there the possibility of lightning damage?
b. Any recent work done on the site that could have damaged the solenoid lead wires?
TEST THE VALVE OPERATION:
Use the 3-way manual selector to open and close the valve.
Bekijk gratis de handleiding van Nelson TWIG, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Nelson |
| Model | TWIG |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 23106 MB |