Whirlpool MULLION EVAPORATOR DESIGN User Manual page 11

HEAT LOOP ROUTING
The heat loop is routed from the condenser outlet up the right side of the cabinet to the right stile (A).
It then loops through the mullion between the refrigerator and freezer sections (B) and up around the
freezer section (C & D), where it then returns to component compartment (E) and connects to the
sealed system at the filter-drier. (Fig. 9)
D
C
B
A
E
HEAT LOOP
Fig. 9
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MULLION EVAPORATOR DESIGN 12 cu. ft. Top-Mount