USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
5
Installation
Installation Procedure With Flow Cell
The key to a successful flow cell installation is in the plumbing. A pressure differential is required
to allow clean, untreated water to pass through the cell and across the sensors. We recommend
using a CAT Flowcell and fittings to create a pressure-suction “loop” line.
1. Turn off heater, chemical feeders, pump, and any other related equipment. Relieve pressure
from filtration system.
2. Select a convenient mounting location for the controller unit which will meet the following
criteria:
A. Facilitates a combined (influent and effluent) maximum tubing run of 30’.
B. Located a minimum of ten feet from pool or spa.
C. GFI protected power source available.
D. Easily accessible to pool or spa operator.
E. Away from corrosive materials and physical hazards.
3. Securely mount Controller or PVC Backboard on vertical wall.
4. Drill and tap a 1/4” NPT port at a location just downstream of the filter, but upstream from any
chemical injection point. Install a tubing connector, and run flex tubing to the influent flow cell
port.
5. Drill and tap a 1/4” NPT port at a location subject to vacuum or reduced pressure. Install the
remaining tubing connector and run flex tubing to the effluent flow cell port.
6. Cut a 3” to 6” length of flex tubing and insert into the sample stream port.
7. Remove pH and ORP sensors from the plastic storage bottles and save bottles and storage
fluid for future use. Thread sensors into flow cell.
8. Remove BNC protective covers from left side of controller unit and store for future use. These
covers protect the controller unit from electro-static discharge (ESD) and should be used
whenever handling or transporting the controller unit.
9. Connect the pH, ORP and Flow sensor cables to the controller unit as labeled. Sensor cables
are constructed from a specialized material - never cut or splice.
10. If new or additional chemical feeders are to be used with the controller, install according to
manufacturers instructions at this time.
11. Connect chemical feeders to the controller as labeled.
12. Check all electrical and mechanical connections. Resume filtration system operation and
check for any leaks.
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