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ULTRAVIOLET SYSTEM
7 69-1859EFS—01
Fig. 10. HVAC maintenance UV safety label.
HOW YOU CAN CHECK YOUR
ULTRAVIOLET SYSTEM
Your UV System is designed to prevent accidental contact
with electrical voltage and with ultraviolet rays in the sealed
unit⎯the ultraviolet lamp does not illuminate unless the base
is mounted on your forced air system duct.
It is recommended that every month you verify that your
ultraviolet lamp is operating. View the bulb only through the
lamp light indicator on the lamp handle. See Fig. 11.
Do not attempt to look into the duct at the illuminated bulb(s).
Fig. 11. Lamp light indicator.
HOW YOU CAN MAINTAIN YOUR UV
SYSTEM
You should regularly clean your UV System to maintain peak
effectiveness of your air treatment or surface treatment
system. Replace the ultraviolet bulb once a year.
Quarterly Bulb Cleaning
Bulb cleaning is recommended as routine maintenance four
times a year or every three months. Use the UV Bulb Cleaning
Reminder Schedule, Fig. 12, to help establish and track your
regular cleaning schedule.
To clean your bulb(s):
1. Disconnect the power to your heating and cooling sys-
tem.
2. Unplug or turn off power to your UV System and allow
the bulb(s) to cool for at least 15 minutes.
3. Rotate your lamp handle counterclockwise and gently
pull the lamp handle to remove the bulb. See Fig. 13.
M22868
M22840
LAMP
LIGHT
INDICATOR
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