Master MWC-E Series Installation And Operation Manual page 15

1. Shut off the water to the inlet and outlet of the cartridge filter.
2. Remove the cartridge sump and empty all water. Fill with household
chlorine (Clorox, non-scented), 5.25% sodium hypochlorite.
3. Re-install the sump to the filter assembly and open the inlet and
outlet valves.
4. Open the cold water faucet at the farthest point in the piping until
you detect chlorine odor. Once the odor is detected, close that
faucet. Continue this procedure until the chlorine odor has been
detected at every faucet. If chlorine odor is not detected at all
faucets, repeat steps 1 through 4.
5. Close ball valve on outlet of cartridge filter.
6. Allow the water to stand for at least (4) hours to kill the bacteria
residual in the piping system.
Before consumption of water, an EPA Lab Test is suggested.
MWC-E SERIES TROUBLE SHOOTING
Symptom: Alarm is chirping and Gland Nut is NOT glowing blue
Cause
Germicidal Lamp is out
Defective Power Supply
Symptom: Alarm is chirping, Lamp is on and Gland Nut IS glowing blue
Cause
9000 hour timer has counted 9000
hours......Lamp is 1 yr. old
Disinfecting the Piping System with Chlorine:
** No water should be used during disinfection. **
Replace lamp and reset 9000 hour timer. See Germicidal Lamp
Replace power supply. See electrical supply and power supply start up
Replace lamp and reset 9000 hour timer. See Germicidal Lamp
Solution
Replacement and 9000 hour timer reset.
Solution
Replacement and 9000 hour timer reset.