Initial Check-Out
1. With the water off, apply power to the electronic controller. After a few seconds the display should
indicate OFF.
2. Turn the water on slowly and let all lines and blend tank fill with water. Intermittent discharges of water
from the waste line should be observed.
3. Turn off the water to stop the injector.
4. Once the manifold is confirmed to be working properly, install the drain line from the manifold to the
drain. Make sure the line does not increase in elevation and does not contain and kinks or sharp bends
that could restrict flow.
Start-Up
1. Install the suction strainer / foot valves in the solution concentrate tanks. If installing as a bulkhead
fitting, install about 2" above the bottom of the tank to prevent the injector from drawing in sediment
which may collect on the bottom of the tank. Connect the suction lines from the chemical container to the
lower connection of the valve modules.
2. Connect the discharge lines between the valve module and injection point fittings. Set dials on the
pumpers to the number calculated to give the desired feed.
3. Fill your concentrate tanks and restart your injector.
4. Prime pumps by following instructions in controller manual.
5. NOTE: Watch out for leaks, especially when pumping acid. Fix all leaks immediately to avoid chemical
spills and to keep injector and area clean and safe.
6. Injector system should now be operational.
Maintenance
• The meter and electronic controller portion of your injector system normally require no maintenance.
There is no reason to disturb these components except to service them when a problem arises.
• See the pumper manual for information on maintaining your pumpers and fittings.
• The chemical concentrate solution should be kept clean, fresh and thoroughly mixed.
• Your solution tank should be covered, but must be vented with a small vent hole to atmosphere.
Otherwise the injector will draw a vacuum on the solution container and quit functioning properly.
• Periodically clean the solution container. To prevent loss of prime, transfer the suction line of the injector
to another container of the same solution during cleaning. Use caution appropriate to the chemical.
• Never transfer the suction line of a feeder pumping a strong acid or alkali to a container of water.
This can generate dangerous heat which may destroy your pumper and plumbing.
Storage
• If an injector will not be used for a long period, you should remove it from service.
• Flush the pumper and chemical valves, either by pumping water through the unit (if not feeding acid, see
below) before removing it or by rinsing after removal.
• Tape the valve openings closed while still wet. This protects the seals and prevents insects from
plugging the openings.
• Drain the unit completely to prevent damage by freezing water still inside.
Trouble Shooting
If you suspect there may be a problem with your unit please read the following section carefully. DO NOT
DISASSEMBLE ANY PART OF YOUR SYSTEM until you have determined the exact problem, and then do it
carefully, according to instructions. Many small and easily corrected problems are greatly aggravated by not
heeding this warning. Table 4 in the Series J Plus Pumper Controllers manual gives some common problems
and tells how to correct them. Call the factory if you have questions about what you need to do.
There are two basic categories of problems; pumper problems and control problems. If you are getting flow
indication and regular cycles of waste water from the pilot valve you can be virtually certain the controller and
pilot valve are working properly. Table 1 in the Pilot Valve & Manifolds manual gives some possible conditions
along with probable causes and suggested action. If you cannot determine the problem, call our factory at the
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