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Install Manual Damper - C1DAMP10C-2
1- Disconnect all power to unit
2- If manual damper is factory-installed, remove six
screws securing hood top to access panel. See figure
2. Retain hood top. Go to step 5.
3- Remove and retain sheet metal screws securing the
cover plate to the top rear access panel. Discard
cover plate. See figure 3.
FIELD-INSTALL MANUAL DAMPERS
DAMPER
BLADES
FIGURE 8
1
SECURE SIDES
TO UNIT (SIX
SCREWS)
CAULK SIDES TO
SEAL WATERTIGHT
COVER PLATE
OPENING
INSTALL HOOD
INSTALL BOTTOM
FILTER BRACKET
(FOUR SCREWS)
FIGURE 10
4- Field-Installed Dampers -
Install the two damper blades over the cover plate
opening. Secure using four provided screws. See
figure 8.
5- Factory-Installed Dampers -
Remove two screws securing dampers in place for
shipping. See figure 9.
6- To adjust manual damper outdoor air amount, loosen
the slots screws and slide dampers to the desired
position. Tighten the screws to secure dampers in
place. See figure 9.
ADJUST MANUAL OUTDOOR AIR DAMPERS
IF DAMPER IS FACTORY-INSTALLED, REMOVE
TWO SCREWS, ONE ON EACH SIDE, SECUR
ING DAMPERS IN PLACE FOR SHIPPING
DAMPERS
LOOSEN FOUR SCREWS AND
SLIDE DAMPERS TO ADJUST
OUTDOOR AIR VOLUME
2
SECURING HOOD TOP
TO SIDES (SIX SCREWS
- DO NOT TIGHTEN)
Page 4
FIGURE 9
3
CAULK SIDES TO
SEAL WATERTIGHT
SECURE HOOD
TOP TO UNIT
(FIVE SCREWS)
5
TIGHTEN SCREWS
SECURING HOOD TOP TO
SIDES (SIX SCREWS)
4
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