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Step 11: Replace the o-ring and slide the sleeve back into the reactor following steps 7

and 8 from the installation section of the manual.

Cleaning the UV Sensor

Depending on the water quality, the quartz sleeve may require periodic cleaning. At

a minimum, the quartz sleeve should be cleaned on an annual basis. The following

steps outline a basic clean-ing procedure.

Step 1: If a by-pass assembly is installed, shut the inlet valve off to prevent water

owthroughthesystem.Otherwise,turnoffmainwaterinletvalve(and/or

turn off the water pump).

Step 2: Disconnect power cord of UV system from electrical outlet.

Step 3: Release water pressure by opening a downstream faucet and then close

the outlet shut-off valve (if any). If there is no outlet shut-off valve, expect

water to drain from the system as the head pressure in the system will

causethewatertoowbackdown.

Step 4: Place something under the reactor to catch any water that may come out of

the reactor during the removal of the UV sensor.

Step 5: Unscrew (counterclockwise) sensor nut from the reactor and pull the sensor

slowly out of the sensor port.

Step 6: Holdingthesensorinyourhandwipetheatportion(sensorface)ofthe

sensor with isopropyl alcohol using a clean lint-free cloth.

Step 7: Replace sensor following step 9 from the installation section of the manual.

Operation

Microlene systems come with a feature laden controller that incorporates both

the lamp driver (ballast) and control features in one water-tight case. Four main

controllers are available for the Microlene systems (depending on your model). All

four models feature a power factor corrected, constant current lamp driver with a

universal power input.

Please Note: While the LED or display screen is red and the buzzer is sounding the

water from the system should NOT be consumed. If any water does pass through

the system during this period, please follow the disinfection procedure as outlined

in this manual before the water is consumed. For Microlene systems, even though

they have a visual and audible warning built into the controller, a green LED or status

screen does not necessarily indicate that the water coming from this system is in fact

potable(safetodrink).Thesesystemsdonotmeasurethelevelofdis-infection;they

simplymeasurethe“on-off”statusofthelamp.Pleasehaveyourwatercheckedfor

microbiological contaminants on a regular basis.

Davey microlene MCS User Manual

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