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FANS
The evaporator fans are equipped with either
9 watt fan motors, 1550 RPM’s, or 12 watt fan
motors, 1650 RPM’s. Both motors have a counter
clockwise rotation when viewed from the shaft end.
The fan blades are 8” in diameter and the blades are
pitched as shown on the chart 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 two fasteners, then lift out the
entire fan basket
1
2
2 DOOR
3 DOOR - 8’
6 DOOR (2)
4 DOOR - 12’
5 DOOR
USE
AND
MAINTENANCE
Model ORB, ORBH, ONRB, & ONRBH
No.
Fans
Blade
Pitch
3 Door
3
37
o
2 Door
2
37
o
4 Door
4
37
o
5 Door
5
37
o
6 Door
6
37
o
Model
ORBH
No.
Fans
Blade
Pitch
12’
3
37
o
8’
2
37
o