Summit CR2220 Instruction Manual page 7

Adequate ventilation of the space below the countertop must be provided
to ensure proper operation of the cooktop. Heat transferred from the
cooktop bottom pan during operation will overheat an improperly ventilated
area.
2 inch (51 mm) minimum
Fig. 3
Allow a 2" minimum clearance between the bottom of the metal pan of the
cooktop and any combustible surface located below, i.e.: the upper edge of
a drawer installed below the cooktop (refer to Fig. 3). Failure to provide
proper clearances and ventilation may result in a fire hazard.
Cooktop dimensions for each model are shown below and on the following
page:
Fig. 4a Fig. 4b
Model: CR1115 Models: CR2110, CR2220
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