Bryant Preferred Series Installation Instructions Manual page 44

FAN SPEED SET UP CONTROLS
Fig. 55 — UCB Fan Speed Controls - 3-Phase Units
FAN SPEED SET UP CONTROLS
Fig. 56 — UCB Fan Speed Controls - Single Phase Units
NOTE: On single phase units, the approximate static pressure of
the ductwork must be set for optimal unit efficiency. The unit is
factory set for greater than 1.0 in. wg. If the external static pressure
is less than 1.0 in. wg, slide switch 1 on the 5-pin DIP to the "ON"
position. See Fig. 57.
SWITCH 1
5-PIN DIP
Fig. 57 — Detail – 5-Pin DIP Switch
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