© 2009 McQuay International 800-432-1342 www.mcquay.com IM 1023/Page 38
Operation
To open the damper, reach under the unit and pull the damper
handle toward you. To close, push the damper away from you.
See Figure 4.
Figure 4: Opening and Closing the Damper
If the damper is difficult to open or moves too freely, you can
adjust the tension by tightening or loosening the nuts on its
pivot axis. See Figure 5.
Figure 5: Adjusting Damper Tension
Cold Weather Operation
Fan coils may experience erratic operation during cold
ambient conditions with the outside air damper in the open
position.
To open damper, reach under the unit
and pull the damper handle toward you
IMPORTANT
It is the responsibility of the contractor to ensure that factory-
installed gasketing matches up with the wall opening, or that
additional material is used, to provide a positive seal and
prevent infiltration of ambient conditions.
To adjust damper tension, loosen or
tighten nuts on each end of damper axis.
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