9
IOM - THRC
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1.
Remove the front access panel by following the instructions under removal of front and rear panels. Set the front access
panel to the side.
2.
Disconnect the three-pin connector located near the UV lamp ballast and remove the wires from the wire routing clamp.
3.
Remove the five (5) screws on the left hand UV containment baffle, and then lift the baffle out of the unit and set it to the
side. Repeat this for the right hand UV containment baffle. (
Note:
This is for
THRC
High Flow
model only)
4.
Remove the two (2) screws that fasten it with the top of the UV lamp assembly.
5.
Remove the remaining two (2) screws that fasten the mounting bracket to the cabinet and set the mounting bracket to
the side.
6. Remove the two (2) screws fastening the UV lamp assembly to the bottom of the cabinet.
7.
Carefully remove the UV lamp assembly taking care not to touch the glass tube.
The expected life of the UV light tube is 9,000 hours. To remove the UV light follow the below instructions.
1.
Rotate the light tube 90 degrees in either direction to enable removal (you should feel tension on the tube release). To
remove the light tube, carefully pull away from the UV lamp assembly, towards the HEPA filter. Dispose of the light tube
(or recycle) following local guidelines.
2.
Use Clean latex gloves to ensure that the new light tube remains clean. Clean the new light tube using a cloth dampened
with a 10% alcohol (or ammonia) and water solution. To replace, reverse the order of removal.
Power Cord
1.
With the back panel removed, unplug the white connector on the power cord.
2.
Remove nut on ground wire.
3. Remove strain relief on the side of the unit.
4.
Remove the old cord and replace with the new one by following the steps above in reverse order.
On/Off Switch
1.
With the back panel removed, unplug the white connector on the switch and squeeze the snap-in legs to remove switch
from side of the unit.
2.
Install new switch by snapping it into the cutout and then connecting it to the white connector.
Speed Control Switch
1.
Remove the exhaust grille by pushing down and lifting out.
2.
Remove J-box screws.
3.
Remove knob.
4.
Remove switch screws.
5.
Unplug connecting wires and replace with the new switch by following the steps above in reverse order.
Capacitor
1.
With the back panel removed, remove one screw from capacitor strap.
Note:
Make sure to provide ample time for
capacitor to discharge.
2. Slide capacitor out.
3.
Remove the rubber boot and disconnect wires.
4.
Replace with the new capacitor by following the steps above in reverse order.
Filter Change Indicator Light
1.
With the back panel removed, unplug the two (2) wires and push out the filter indicator light from the inside of the unit.
2.
Replace the filter indicator light by following the step above in reverse order.
Motor Assembly Removal
1.
The motor can only be removed from the front side of the unit. First ensure that the front panel, UV light assembly (for
UV units), and filter are removed. Refer to the removal of front and rear panels, primary filter replacment, and removal of
the UV light assembly sections.
2.
Remove the screw fastening the green motor ground wire to the motor panel.
3.
Remove the screw fastening the black wire clamp to the motor panel.
4.
Most of the motor wires feed into a quick-connect socket. Disconnect this socket from its mating half.
5.
Remove the six (6) screws fastening the motor ring to the panel and remove the motor assembly from the unit.
CAUTION: WHEN REINSTALLING THE MOTOR ENSURE THAT IT DOES NOT TOUCH OR PUNCTURE THE HEPA FILTER.
