9
6.0 Start-Up -
Once you have completed all the preceeding steps, (IMPORTANT) verification that the unit has
no leaks anywhere, including a possible broken quartz tube damaged during transit, you are ready to start your
unit up.
6.1 Start Up Circulation Pump -
Once the pump is on, be sure to drain all air from your system through
the air relief valve on the filter, if so equipped.
6.2 Check EUV Unit For Leaks -
Make one final check for leaks in your piping, accessories, and under
the electrical enclosure bonnet. If any water leakage under the EUV unit’s electrical enclosure bonnet is
suspected (water dripping from under side of bonnet), disconnect the EUV unit immediately, remove the
bonnet (see 7.) and verify that there is either (a) no leakage or (b) stop the leakage of the quartz tube
gasket. If quartz tube leakage is encountered, follow the instructions in Sections 7.4 through 7.6 and 8.
through 8.5 to remedy the situation before applying electrical power to your EUV unit.
6.3 Swimming Pool Chemical Balance -
Check the chemical balance of your swimming pool and
adjust the chemical balance as per your pool chemical suppliers instructions. - Remember, the EUV unit
dramatically reduces the need for chemical sanitizers, but does not eliminate the need for proper pool
chemical balance.
7.0 Quartz Tube Maintenance -
The EUV unit requires very little maintenance during the year. The UV bulb
in the EUV unit is placed inside a quartz tube to protect the bulb from the water in the EUV unit’s wet chamber.
This quartz tube can have its ability to transmit the UV rays from the bulb through the quartz tube diminished if
the quartz tube becomes dirty or laden with deposits. The quartz tube should be removed from the wet chamber
every six (6) months and inspected to make sure it is clean and that deposits are not attached to the quartz tube.
To remove the quartz tube, you should follow the steps shown below.
7.1
Disconnect Power -
Unplug the EUV unit from its power receptacle.
7.2 Stop Your Circulation Pump -
You must shut off the circulation pump so that no water is flowing
into the EUV unit. Once the pump is shut off, verify on the pressure gauge that the pressure inside the
EUV unit is ZERO. If any pressure is indicated on the pressure gauge, do not go to the next step until the
pressure gauge shows ZERO. If you show any pressure on the pressure gauge, but feel that there is no
pressure present inside the EUV unit, simply unscrew the top union nut on the EUV unit. This will relieve
any pressure. With the union partially unscrewed, the pressure gauge should show ZERO. If it does not,
replace the pressure gauge (Part # 84-84) immediately. When you are absolutely sure that there
remains no pressure inside the EUV wet chamber, you can proceed to the next step.
7.3 Remove The Plastic Electrical Enclosure Bonnet
–
NEVER REMOVE THE ELECTRICAL
ENCLOSURE BONNET WITHOUT FIRST UNPLUGGING THE EUV UNIT FROM ITS POWER SOURCE
– DO NOT OPERATE THE EUV UNIT WITH THE BONNET REMOVED -
The electrical enclosure bonnet
is removed by unscrewing the four mounting screws that hold the bonnet to the EUV unit.
7.4 Remove The UV Bulb -
Do not handle a hot UV bulb. First make sure the bulb is cool before handling
to avoid burning your skin. Unplug the UV bulb by grasping the white bulb connector attached to the ballast
wires. Slowly pull the UV bulb out of the quartz tube by grasping the bulb on the white ceramic prong end.
DO NOT TOUCH THE UV BULB GLASS WITH YOUR BARE HANDS! Use a soft clean cotton cloth or
clean cotton gloves to handle the UV bulb. Skin oils on your hands can attach to the bulb and can cause hot
spots on the bulb which can shorten the bulb life. Carefully place the removed bulb in a safe location while
cleaning the quartz tube. The quartz tube is now ready to be removed from the EUV unit for cleaning.
7.5
Remove The Acorn Nut -
Using a crescent wrench or -/6" socket, remove the black plastic
acorn nut (Part # 86-04) holding the quartz tube into the black plastic mounting gland. Note that there
is a rubber sealing gasket (Part # 44-008) around the quartz tube (or inside the acorn nut) that seals
the quartz tube to the mounting gland. Set the gasket aside to reseal the quartz tube when you reinstall
the quartz tube after cleaning.
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