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Page 4

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.

FIGURE 8

FIELD-INSTALL MANUAL DAMPERS

DAMPER

BLADES

COVER PLATE

OPENING

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.

FIGURE 9

ADJUST MANUAL OUTDOOR AIR DAMPERS

LOOSEN FOUR SCREWS AND

SLIDE DAMPERS TO ADJUST

OUTDOOR AIR VOLUME

DAMPERS

IF DAMPER IS FACTORY-INSTALLED, REMOVE

TWO SCREWS, ONE ON EACH SIDE, SECUR­

ING DAMPERS IN PLACE FOR SHIPPING

FIGURE 10

INSTALL HOOD

1

3

SECURING HOOD TOP

TO SIDES (SIX SCREWS

- DO NOT TIGHTEN)

SECURE SIDES

TO UNIT (SIX

SCREWS)

2

INSTALL BOTTOM

FILTER BRACKET

(FOUR SCREWS)

SECURE HOOD

TOP TO UNIT

(FIVE SCREWS)

4

5

TIGHTEN SCREWS

SECURING HOOD TOP TO

SIDES (SIX SCREWS)

CAULK SIDES TO

SEAL WATERTIGHT

CAULK SIDES TO

SEAL WATERTIGHT

Summary of Contents for C1DAMP20C-1

Page 1: ...act with sharp sheet metal edges can result in personal in jury Take care while handling this equipment and wear gloves and protective clothing Application Optional outdoor air dampers provide fresh o...

Page 2: ...ng where the cover plate was secured See figure 5 Secure with retained screws 6 From inside the filter access panel remove the unit jumper plug P3 from unit jack J3 and discard See figure 6 7 Units eq...

Page 3: ...ON OUTDOOR AIR DAMPER ASSEMBLY COVER PLATE OPENING FIGURE 6 DISCARD P3 JUMPER PLUG J3 UNIT JACK REMOVE AND DISCARD P3 JUMPER PLUG FIGURE 7 WIRING UNITS EQUIPPED WITH A UNIT CONTROLLER CONNECT P4 MOTOR...

Page 4: ...e 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 se...

Page 5: ...s See figure 10 5 Secure the hood top to the left and right hood sides Tighten the previously installed screws FIGURE 11 HOOD SIDE VIEW ALIGN VERTICAL HOLES ON BRACKET WITH VERTICAL HOLES ON SIDE OF H...

Page 6: ...mperature Mark that point on the top line of chart 1 and label point C 70 F 21 C shown 4 Draw a straight line between points A and B 5 Draw a vertical line through point C 6 Draw a horizontal line whe...

Page 7: ...enu paths to set the low speed minimum damper position M3 Unit Controller SETUP TEST BALANCE DAMPER MIN DAMPER POSITION BLOWER ON LOW M2 Unit Controller SETTINGS SETPOINTS DAMPER MIN OCP BLOWER LOW 5...

Page 8: ...eed pressure differential in table 2 3 Read the damper percentage open Units Equipped With Unit Controller The damper percentage open was entered into the Unit Controller Units Not Equipped With Unit...

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