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8
3. Mount main module into duct cutout making sure that all edges
and gaps are sealed with supplied weather stripping to prevent any
UV light from escaping plenum. It is not recommended to install
IOM
EN
bulbs fi rst, as offset bulbs will not fi t through cutout and installing
the unit with bulbs in place could lead to damaged or broken bulbs.
Secure with supplied screws to sheet metal plenum using existing
mount holes. (Fig.2)
4. Mount UV bulbs in desired orientation (1 of 9) making sure the bulbs
are sitting fl ush in the cutout, and then secure the pre-wired base
and bracket to the enclosure. Modules UV bases are pre-wired
for straight installation. Alternate mount points on the universal
bracket and alternate bulb brackets are included for changing bulb
position and orientation. (Fig.2)
5. Use the enclosed UV shield covers and cover the light bases and
wiring. Ensure that the plastic C-trim on the covers is secure and
that wires are not contacting directly on the metal surface. Verify
all wires are in location before moving on to the next steps. (Fig.3)
6. Place the cover over the tabs on the top of the enclosure and rotate the
cover down slowly into place over the module. This is a tight pressure
fi t – watch for pinch points. Secure cover in place with provided screw
using a ¼" nut driver. (Fig.4)
7. Connect the power cable to the plug / switch shown at the bottom left of
fi gure 4. Make sure switch is OFF.
8. The other end contains three leads. Run these three leads through one of
the grommets located on the side of the furnace within the circulating air
blower compartment. Connect power cable end to Integrated Furnace
Control Board. The black lead must be attached to the tap on the control
board that is marked EAC. The white lead must be attached to one of the taps located along the NEUTRAL
portion of the control board. The green lead can be attached anywhere on the control board mounting plate
but it is recommended that it is mounted to the same location as the existing green ground wires.
9. Turn on UV Module power switch, breaker and furnace service disconnect switch.
4.3
LANCE MODULE INSTALLATION
1. Disconnect the power to the UV unit by turning the switch at the base of the unit to off and disconnect power
to the HVAC unit.
2. Choose where the UV lance will be located; this is typically in the return air stream or in an HRV module.
Always ensure it is close enough to the HVAC unit to be able to obtain supply power.
3. Cut out the template and trace the outline onto the desired location using a black marker.
4. Using a pair of tin snips cut open the location along the template path.
W415-1309 / B / 11.16.16
FIG. 2
FIG. 3
FIG. 4
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