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FANS
The evaporator fans are equipped with 5 watt
fan motors, 1550 RPM’s. The motor has a counter
clockwise rotation when viewed from the shaft end.
The fan blades are 6” in diameter and the blades are
pitched according to the charts below. It is impor
-
tant that the blade pitch be maintained as spec-
ified. Do not attempt a field modification by
altering the blades.
Fan motors may be changed with an easy
two-step process without lifting up the plenum,
thereby avoiding the necessity to unload the entire
product display to make a change:
1. Unplug the fan motor, easily accessible out
side the plenum
2. Remove three fasteners, then lift out the
entire fan basket
2
1
MODEL
OSAA-6’
Model OSAA
No.
Fans
Blade
Pitch
6’
2
37
o