AIR FLOW & FAN BLADE SPACING
3-2
AIR FLOW & FAN BLADE SPACING
NOTE: In all the following air flow illustrations
the white arrow
➠➠
signifies Pushed Air, while
the shaded arrow
➠
signifies Returned Air.
Air Flow - Model 501R (Figure 3-1)
The air movement travels up the back channel and
across the evaporator coil.
The cold air then discharges at the top of the cabi-
net and is pulled downward in all directions
Figure 3-1. Air Flow - Model 501R
around the glass storage shelves, maintaining even
shelf storage temperatures.
MADISON PRODUCTION PRIOR TO S/N 821353
The evaporator fan motor runs all the time once
the door is closed, unless altered during field ser-
vice repair.
PHOENIX & MADISON PRODUCTION AFTER
S/N 821353
The evaporator motor cycles on and off with the
compressor.
Clamp Up
1-3/8"
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