Annual Maintenance; 9000 Hour Timer - Master MWC Series Installation And Operation Manual

ANNUAL MAINTENANCE PROCEDURE:
Annual Germicidal Lamp Replacement and Quartz Cleaning:
1. Unplug the power supply from surge protector and the electrical
outlet.
2. Pull the black cap from the center of the clear gland nut.
3. Carefully lift the germicidal lamp out of the quartz sleeve by pulling
up on the gray harness wire and discard the lamp. Remember the
lamp is glass and can cause injury to you if the lamp is dropped.
4. Open the boiler drain on outlet side of UV unit to depressurize
vessel. When completed, close boiler drain.
5. Carefully remove clear gland nut, gently grasp quartz sleeve and
lift out.
6. Remove clear gland nut and O-ring from quartz sleeve.
7. Clean quartz sleeve with household alcohol. If stained, replace.
(Reference Quartz Installation)
8. Follow with germicidal lamp installation
9000 Hour Timer Reset and Annual Battery Replacement:
It is recommended to reset the 9000 hour timer after replacing
the germicidal lamp.
1. Make sure the electrical power cord is removed from the electrical
outlet.
2. Remove power supply cover.
3. The battery which operates the 9000 hour timer during a power
outage should be changed annually with a CR2032 (3V) battery or
equivalent. To remove old battery pull it up and away from the
battery harness located on the right side of circuit board.
( Reference Figure 1 ) When installing the new battery, make
sure the "+" side of the battery is viewable.
4. Locate the brown reset button on the lower center portion of the
green circuit board, to the left of the battery. ( Reference
Figure 1 for exact location) Once located, hold reset button for 5
seconds and release.
5. Re-install the power supply cover and plug electrical power cord
into the dedicated outlet.
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