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Summary of Contents for Master MWC Series
- Page 1 Installation and Operation Manual MWC-ES Series Ultraviolet Sterilizers MWC-ES7 / MWC-ES10 / MWC-ES20 2022 VERSION...
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Page 2: Table Of Contents
Table of Contents Page Topic Description Model # Model Number Caution Looking at UV Light Shipping Description UV Packaging Piping Layout Piping Layout Specification Table Unit Specifications Pre-Treatment Pre-treatment Discussed Water Quality Table Unit Location Unit Set Up MWC-ES Pressure Vessel Pressure Vessel Installation Cont’d Electrical... -
Page 3: Model
Installation and Operating Instructions for MWC-ES Series Ultraviolet Sterilizers Model #: _______ MWC-ES7 7 gpm UV -¾” _______ MWC-ES10 10 gpm UV -¾” _______ MWC-ES20 20 gpm UV -1” CAUTION: NEVER LOOK DIRECTLY AT THE ULTRAVIOLET LIGHT WITH THE NAKED EYE. View through a piece of ordinary glass or optical glasses. -
Page 4: Pre-Treatment
Pre-Treatment:... -
Page 5: Unit Location
A complete water test is recommended to determine if pre-treatment equipment is required before installation of the UV unit. Water must meet criteria below: Contaminant Maximum Allowable Level Chloride 250 ppm Color None Hardness 8 gpg Iron 0.3 ppm Manganese 0.05 ppm Range between 6 and 8.5 Total Dissolved Solids (TDS) - Page 6 top of the vessel. The end of the bracket with the three holes should be facing up towards the top of the vessel. 3. Tighten the gray PVC ring onto the nipple. This will compress down onto the top of bracket. 4.
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Page 7: Mwc-Es Power Supply
Always follow all local electrical codes when installing our water Treatment equipment. 1. Provide a 115v/60Hz properly grounded a dedicated electrical outlet. (It’s very important that the polarity be correct) Avoid using outlets that are switch controlled. 2. Maximum amperage required is 5 amps. 3. - Page 8 MASTER Water Conditioning Corp. MWC-SERIES GROUNDING INSTRUCTIONS IMPORTANT All MWC-Series UV systems must be properly grounded. The vessel must be grounded to the MWC-Power Supply to make a complete ground. MWC-SERIES Grounding Lug Installation Front View of Bracket Grounding Lug...
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Page 9: Quartz And O'ring
Quartz and O’ring Installation: 1. Wipe the quartz sleeve with household alcohol to remove dirt, oil and fingerprints. 2. Carefully place the quartz sleeve into the top opening of the vessel. 3. Lubricate the o'ring with silicone (which is supplied) then place the o’ring over the top of the quartz sleeve. -
Page 10: Final Check
Disinfecting the Piping System with Chlorine: 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. -
Page 11: Annual Maintenance
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. -
Page 12: Figure 1
Figure 1 Fuse 5 amps Mounting Holes Reset button Battery (CR2032) Solenoid connection... -
Page 13: Troubleshooting
MWC-ES SERIES TROUBLESHOOTING Symptom: No flow of water no Alarm and Gland Nut not glowing Cause Solution Electric Supply Check electrical outlet and breaker box for power. Replace fuse (Buzz 5 amp) in Power Supply 5 Amp Fuse Symptom: No flow of water or Alarm and Gland Nut glowing blue. - Page 14 Symptom: Alarm is chirping and Gland Nut is NOT glowing blue Cause Solution Germicidal Lamp is out Replace lamp and reset 9000 hour timer. See Germicidal Lamp Replacement and 9000 hour timer reset. Defective Power Supply Replace power supply. See electrical supply and power supply start up Symptom: Alarm is chirping, Lamp is on and Gland Nut IS glowing blue Cause...
- Page 15 Ultraviolet Lamp which is warranted for 90 days and a UV Meter Eyepiece Assembly which is warranted for one year from date of purchase against defects in materials and workmanship. Except, as specifically set forth in this paragraph, Master Water Conditioning Corporation makes no other warranties, express or implied.
- Page 16 MWC-ES FACTS SHEET IMPORTANT GROUNDING INSTRUCTIONS All MWC-SERIES UV Systems must be grounded! The green 14# copper wire coming out of the power supply must be grounded to the UV Vessel! Attached the copper wire to the grounding lug to the upper mounting bracket and tighten the screw.
- Page 17 valves. 4. Open the cold water faucet at the furthest 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.
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