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5.3 Installing Inlet/Outlet Unions -
The EUV unit comes with union nuts installed on the housing. Packed
with your EUV unit are the remaining components necessary to complete the Inlet/Outlet unions. The clear
union tail piece is used on the top union, and the solid color union tail piece is used on the bottom union.
Also packed with your EUV unit are two white gaskets that are used to complete the Inlet/Outlet unions.
One side of the gasket is flat, the other side has a half round bead on the face. The two unions each have
a groove in the face of the union tail piece and that groove accepts the half round bead of the gasket to
hold the gasket in place correctly. Place the gaskets into the face of the union tail pieces. Now, install the
union tail pieces by screwing them into the union nuts on the EUV unit. DO NOT OVERTIGHTEN. Hand
tightening is sufficient. OVERTIGHTENING WILL BREAK THE UNION NUTS.
5.4 Installing Mounting Legs -
Your EUV unit also comes with a pressure gauge that is used to confirm
that your pump is not exceeding the 40 PSI maximum working pressure for the EUV unit. The pressure
gauge is shipped with Teflon sealing tape on the gauge threads. To install the pressure gauge, screw it
into the threaded tap on the clear union tail piece that you have installed on the EUV unit. If the EUV unit
is installed indoors, the pressure gauge can be installed so it is facing upward. However, if the EUV unit
is installed outdoors, the pressure gauge must be installed on one side or the other of the clear tailpiece
so that it will be in a vertical position when installed. Installing the gauge facing upwardly when the EUV
unit is outdoors will result in the gauge filling full of rainwater and will ruin the gauge. The gauge location
and orientation that you choose is dependent upon which side of the fitting provides the best viewing of
the gauge dial.
Caution:
Do not cross-thread the gauge when installing it into the plastic union, as it will ruin the plastic
threads and will leak.
Be sure to use a wrench to tighten the pressure gauge into the clear tail piece, using the square brass
boss on the back of the pressure gauge. DO NOT OVERTIGHTEN. Over tightening will cause the clear
plastic union tail piece to crack. Three or four threads are all that is necessary to seal the pressure gauge.
If the gauge leaks upon start-up, simply tighten one more rotation. DO NOT TIGHTEN BY GRASPING
THE COVER OF THE PRESSURE GAUGE. Only use the square brass boss on the back of the pressure
gauge for tightening with a wrench.
5.5
Mounting The UV Unit On A Solid Base -
The next step is to secure the EUV unit to a concrete or wood
base. Four mounting holes are located in the mounting base of the EUV unit. These holes accommodate
¼ inch diameter bolts to mount the EUV unit in place. FAILURE TO PROPERLY SECURE THE UNIT MAY
CAUSE NOISE DUE TO VIBRATION CAUSED BY WATER PASSING THROUGH THE WET CHAMBER.
Secure the EUV unit using bolts and anchors (not supplied) where necessary and appropriate for your
installation. When the EUV unit is secured in position, the piping of the unit can begin.
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