___________________________________________________Chapter 6 – Testing and Repair, Page 6-35
UV Module Ventilation Fans – Cont.
10.
Pull the fan from the mount along with the wires.
12.
Important Note:
When installing the new fan the label on the fan faces down on the mounting
bracket as the air is pushed into the raceway. Slide the two black wires through the wire grommet.
13.
Mount the new fan on the bracket with the four screws and torque to 7-9 in-lbs.
14.
Reconnect the two black wires to their electrical source.
15.
Slide the Ballast Raceway back into place, install the five holding nuts and torque to 7-9 in-lbs.
16.
Check the UV Module Plate Gasket for cracks or deterioration (Refer to Figure 6-41-1). Replace if
needed. Refer to Page 6-41
for instructions on replacing.
17.
Slide the UV Module back into the Ventilator.
18.
The next step is to run a test to ensure all fans are operating. Secure the Module by installing one of
the holding nuts at each end.
Caution: Testing the UV Module Ventilation Fans requires the use of 100% UV protective glasses as
a small amount of UV light may be visible.
19.
Reconnect the Lamp / Ballast Connector plug.
20.
Turn on the power to the Command Center.
21.
Turn on the circuit that supplies power to the UV Lamps.
22.
Push the
START FAN
button on the Command Center.
23.
Push and hold in the Door Safety Switch (Refer to Figure 6-33-1) and observe the fans operating. If
operating correctly the test is complete. If the fans are not operating, troubleshoot and correct the
problem and test again.
24.
Once the test is complete install the remaining six nuts and torque all the holding nuts to 7-9 in-lbs.
25.
Very Important;
Carefully inspect the UV Module Access Door Gasket for cracks or deterioration
(Refer to Figure 6-40-1). Replace as needed to ensure a good seal. Refer to Page 6-40
for
instructions on replacing.
26.
Close the UV Model Access Door.
Figure 6-35-1
UV Module Ventilation Fans
Mounting Screws
Front Flange
