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UVC Do’s and Don’ts
Do:
1. Disconnect all power before installing or changing fixtures and tubes.
2. Install an interlock "kill" switch(s) on any door or plenum access to a UVC install.
3. Install "Warning" label(s) on all accesses to a UVC install.
4. Always disconnect power to lamps before entering a UVC equipped unit.
5. Wipe lamp(s) down with alcohol and a lint free cloth prior to operation.
6. Install a radiometer on any critical installation. Mount the radiometer in strict accordance with its installation instructions.
7. Operate a UV system continuously whenever possible.
Don’t:
1. Look at any UVC lamp without approved eye and face protection.
2. Enter a UVC install without first disconnecting all power.
3. Touch tubes (quartz) with bare hands or they must be wiped down with alcohol and a lint free cloth.
4. Expose untested wiring or other organic materials to direct UVC light. If necessary, wrap the untested material with aluminum and/or aluminum duct board tape.
5. Operate a UVC system with missing or failed tubes.
6. Cycle fixtures with fans that cycle more than twice a day; instead operate continuously.
7. Install UVC Fixtures on the same line as an appreciable inductive load.
8. Obstruct a Radiometers’ sensor to direct UVC light.
9. Expose fixtures or lamps to excessive amounts of water.
Troubleshooting:
1. If lamp color is other than light blue or flickers, change it.
2. If lamp(s) fails to light:
a. Check power source and voltage
b. Check wiring or change lamp
c. Check product safety or interlock switches
3. If a surface or substance appears to have color when irradiated with UVC (such as green), turn Emitter(s) off and verify with normal light that it is an oxide, etc. being fluoresced. If a slight odor occurs when UVC is first used, wait 24-48 hours before taking action as many coil based organic materials will boil off some VOC during that time frame.
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