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Step 11: (Applies only if you have a UV sensor). The UV sensor for the system is packaged in a separate plastic
bag. Carefully remove the sensor from its packaging and insert the sensor into the UV sensor port (remove the
protective cap on the UV unit first). The sensor can only go in one way. Ensure that the flat portion of the UV
sensor matches up with the half metal lip on the sensor port (flat portion should face the lamp connection end)
(see Figure 5.). Ensure that the sensor is fully seated in the sensor port and then tighten (turning clockwise) the
sensor nut. PLEASE NOTE: DO NOT over tighten the nut as this could damage the PTFE sensor body. Plug the male
connector into the IEP port located on the right side of the controller, Figure 6, (make sure the controller is not
plugged in as the sensor MUST be attached before power is applied to the controller.)
Figure 5. UV Sensor Installation
Figure 6. IEP Connection
Step 12: The unit is now ready for water flow. When all plumbing connections have been completed you should
check for any possible leaks. Slowly turn on the water supply and check for leaks. Make sure the by-‐pass valves are
functioning properly and that the water is flowing through the unit. The most common leak is from the O-‐ring not
making a proper seal on the unit. If this is the case turn the water off, drain the unit, remove the O-‐ring, dry it and
reapply silicon grease. Replace O-‐ring ensuring that it is properly sealed against the unit and check again for leaks.
Step 13: The controller can now be mounted on the wall. On board mounted units the controller is already in the
correct position. The controller should always be above or beside the unit to ensure that no moisture can deposit
on any of the connections (see Figure 2.). Always mount the controller vertically. For safety purposes the controller
should be connected to a ground fault circuit interrupter (GFCI) (also known as a ground fault interrupter (GFI)).
ON BOARD MOUNTED UNITS STEPS 14, 15 AND 16 HAVE BEEN PRE-‐ASSEMBLED.
Step 14: You can now remove the UV lamp from its packaging being careful not to touch the lamp quartz with your
hands. Again, the use of cotton gloves is recommended to avoid deposited oils on the lamp glass. Always hold the
lamp by the ceramic ends. With the lamp outside of the unit, affix the UV lamp to the lamp connector as shown in
Figure 7.
Figure 7. UV Lamp Connection
