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UV100RM TRUEUV™ COIL TREATMENT SYSTEM
68-0297EFS—05 6
performed. Choose a location where the indicator window will
show UV operation from the location of maintenance or service
access.
Drill 1/2-inch hole. Snap indicator window into hole.
Place a maintenance warning label next to the indicator
window. Other maintenance warning labels should be placed
at access and service panels where they can be easily seen
during any future maintenance or service.
Fig. 10. Indicator window and label.
WIRING
Ensure power is turned off to the air handler before
proceeding.
Connect the 24V leads of the ballast to the 24VAC transformer.
18 gauge wire can be used to extend leads if necessary. There
is no polarity to TrueUV and either lead can be wired to 24V
hot and common.
Fig. 11. Wiring diagram.
CHECKOUT
Close all access panels and turn power on to HVAC
equipment.
Turn ballast switch position to ON or CYCLE.
Check TrueUV operation through indicator window. Do not
attempt to look directly into the duct to see the illuminated
ultraviolet bulb.
Installer should orient the homeowner to the unit by showing
them the blue glow from the indicator window which
indicates the unit is working.
The installer should also emphasize the hazard warnings so
that homeowner knows how to safely inspect and maintain
their system.
MAINTENANCE
WARNING
UV Light Hazard.
Harmful to bare skin and eyes.
Can cause temporary or permanent loss of vision.
View illumination only through lamp light indicator on
lamp handle.
To prevent exposure to ultraviolet light, disconnect
power to ultraviolet system before servicing any part of
heating and air conditioning system.
Do not mount device in location that allows ultraviolet
light to be seen after installation.
Bulb cleaning is recommended quarterly as routine
maintenance. Keeping dust off the bulb will keep the UV-C
intensity high and maintain the kill rate of TrueUV. Use a damp
cloth to wipe bulb clean.
Bulb should be replaced every year if using the ON position or
every 2 years if using the CYCLE position.
1. Review Safety Precautions regarding UV-C light hazard,
hot bulbs, breakable glass and mercury notice on page 3
before performing any maintenance.
2. Turn power off to HVAC equipment.
3. Turn TrueUV power to OFF position at ballast location.
4. Internal Mount: Reach through access panel and grasp
bulb. Protect your hands from hot light bulb.
External Mount: Twist handle from base.
5. Pull bulb straight out of handle to snap loose.
Fig. 12. Pull bulb out of handle.
6. If shield is being used, remove shield from old bulb and
attach to new bulb.
M27069
BALLAST
M27061A
24 VAC
GROUND
M27067