- OBJECTIVE:
To lay down a procedure for cleaning procedure of UV Lamps.
- SCOPE:
This SOP is applicable for cleaning procedure of UV Lamps at {Company Name} {Company Location}.
- RESPONSIBILITY:
- Technical Assistant – Engineering is responsible to perform the Cleaning procedure of UV lamps.
- Executive/ Manager – Engineering is responsible to ensure the compliance as per SOP.
- ACCOUNTABILITY:
Engineering Head
Head Quality Assurance
- PROCEDURE:
- Note down the intensity meter and hour meter reading in Annexure-I during cleaning activity.
- Switch OFF the system, before starting the cleaning or replacement of UV Lamps.
- CLEANING PROCEDURE OF UV SYSTEM
- Close the feed pump inlet and outlet valves of UV chamber.
- Remove the tubes (Quartz Glasses) from the chamber by unscrew the cap by rotating in anticlockwise direction.
- Scrub the inner surface thoroughly with a soft nylon brush.
- Clean the UV chamber with purified water.
- Re – fix the tubes (Quartz Glasses) in the chamber by screw the cap by rotating in clockwise direction.
- Switch ON the UV system and check the intensity not less than the previous reading.
- Record the cleaning details in as per the Annexure-I.
- After completion of the cleaning, the label shall be updated on the UV lamps chamber as per Annexure-II.
- FREQUENCY OF UV LAMPS CLEANING
- UV lamps cleaning shall be carried out once in three months along with the quarterly preventive maintenance of purified water system.
- REPLACEMENT PROCEDURE OF UV SYSTEM
- Close the feed pump inlet and outlet valves of UV chamber.
- Drain the water in the unit through drain valve.
- Ensure that the correctly specified lamps are replaced at the time of replacement.
- Remove the lamps from the chamber by unscrew the cap by rotating in an anticlockwise direction.
- Take out the UV lamps from the chamber.
- Replace all the O-rings.
- Put the new lamp in housing and tighten the holders on both sides by Rotating clockwise direction.
- Switch ON the power supply and check the load.
- Open inlet and outlet valves of the feed pump of UV chamber.
- Record the replacement details in as per Annexure-I.
- Frequency of UV lamps replacement is as follows.
- For RO UV system: If burning hour’s crosses9000 or intensity less than47.0 Watt/m2 whichever is earlier.
- For Distribution UV system: If burning hour’s crosses12000 or intensity less than 41.0 Watt/m2 whichever is earlier.
- REFERENCES:
Not Applicable
- ANNEXURES:
| ANNEXURE No. | TITLE OF ANNEXURE |
| Annexure-I | UV lamp cleaning Record |
| Annexure-II | Label for UV Cleaning Details |
| Annexure-III | UV Lamps Replacement Record |
ENCLOSURES: SOP Training Record.
- DISTRIBUTION:
- Controlled Copy No. 01 Head Quality Assurance
- Controlled Copy No. 02 Head-Engineering
- Master Copy Quality Assurance Department
- ABBREVIATIONS:
UV : Ultra Voilet.
RO : Reverse Osmosis.
- REVISION HISTORY:
CHANGE HISTORY LOG
| Revision No. | Details of Changes | Reason for Change | Effective Date |
| 00 | New SOP | Not Applicable | To be written manual |
ANNEXURE-I
UV LAMP CLEANING RECORD
ANNEXURE-II
LABEL FOR UV CLEANING DETAILS
ANNEXURE-III
UV LAMPS REPLACEMENT RECORD
