8
5.6 Gluing Piping To The UV Unit -
The Inlet/Outlet PVC union tail pieces are inch pipe size (6mm for
overseas models). Your PVC supply piping should be glued into the union tail pieces using an appropriate
PVC primer and PVC cement, as recommended by your supplier. Inlet piping should be supported and
should not rest solely upon the unions, to avoid breaking the unions. The installation of valves on the inlet
and outlet lines attached to the UV unit is recommended. If the EUV unit is located with any portion of
the unit below the surface of the pond or pool, then VALVES ARE MANDATORY, so you may winterize or
remove the EUV unit without draining your pool or pond. When you have completed the piping installation
(including bypass if necessary), the final step is to plug in the unit to its power source.
5.7 Electrical Connection -
The electrical power rating for your EUV unit is shown on the label on the
outside of the unit. US and Canadian EUV units operate on 120V/50/60 Hz – (1.15 Amps maximum).
This low power consumption makes operating your EUV unit very economical. Therefore, you will need a
5Amp 0V receptacle for your EUV unit to plug into. (Check the label on your overseas unit for its power
requirement). Your EUV unit is supplied with an eight foot long weatherproof power cord terminating in either
a -prong grounded NEMA plug, or in an optional cord connected Ground Fault Circuit Interrupter (GFCI).
Whether you use the factory installed GFCI or install a GFCI in the electrical outlet or in the breaker panel
serving the EUV unit power receptacle, you will need to have the unit GFCI protected. Note: Should the
electrical power cord of your EUV unit become frayed or damaged in the future, unplug it from the power
receptacle and replace it immediately.
If you did not order your EUV unit with the cord connected GFCI installed, you may add it in the field. You
will need to order Part # 70-09012 (Retrofit Cord Connected GFCI Kit) from the supplier of your EUV unit.
This kit comes complete with everything you need to install the weatherproof GFCI on the end of the EUV
unit power cord. Easy to follow installation instructions are included with the kit and should take only a
few minutes to complete. Verify that you have power to your electrical outlet and then plug the EUV unit
power cord into your power outlet.
5.8
Intentionally Left Blank
5.9
Electrical Interlock Of Pump/EA Unit -
The EUV unit is equipped with a safety pressure switch that does
not allow the UV bulb inside the unit to light unless there is at least 5 PSI operating pressure inside the chamber.
This is to ensure that the bulb will not create heat when the EUV unit is empty or water is not flowing in the wet
chamber. Such excessive heat can shorten the life of the UV bulb. Therefore, only when the pump is pumping
water through the EUV unit wet chamber will you be able to see the UV bulb glow and confirm that it is on.
Note:
Low pressure / psi pressure switches are available if you have a low pressure piping system (found
most frequently in Koi pump installations). Order P/N 70-05. Without the circulation pump operating, you will
not see the bulb light up just by plugging the EUV unit into its electrical outlet. Once the pump is pumping water
thought the EUV unit, as confirmed by the indication of pressure on the pressure gauge, the bulb will light. To
confirm that the bulb is indeed lit, you can view the glow of the bulb through the clear plastic union tail piece at
the top outlet of the EUV unit. This is the only location where you should attempt to view the UV bulb while it is
on. The PVC union tail piece screens out the harmful UV rays and can be viewed with the naked eye without
any damage to the eyes. If the bulb is not lit, check the troubleshooting section at the end of this manual.
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