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1
1
MEASURING INLET SLOT VELOCITY
Smoke capture and grease extraction efficiency are depen-
dent upon the proper air velocity at the inlet slot of the ventilator.
The “Air Velocity Chart” below gives the optimum inlet slot
velocity and the minimum and maximum allowed velocities. If
the slot velocity is below or above the minimum or maximum,
the exhaust fan must be adjusted accordingly.
NOTE: The height of the inlet slot can vary depending upon the
design of the ventilator. It is, therefore, important to first
measure the inlet slot and compare it to the chart below to
determine the required average inlet slot velocity. The de-
signed air volume per lineal foot is related to the velocity as
shown on the chart below. The total air volume for the ventilator
can be found on the ventilator nameplate. (Refer to Figure 13).
Air velocity readings less than what is specified on the “Air
Velocity Chart” may allow smoke and grease to escape the
confines of the ventilator and/or reduce grease extraction
efficiency. This can result in grease deposits which lead to
sanitation problems or fire hazards if left uncorrected. If the air
velocity readings are higher than the maximum allowed, it will
require more energy to operate the exhaust fan, excessive
noise levels will result, and grease can be pulled through the
extractor depositing in the duct and fan.
Higher or lower velocities than the allowed will normally put the
entire heating and ventilating system out of balance.
*The nominal height of the front inlet slot on “DS” series ventilators is always 3".
Summary of Contents for C-6000 Series
Page 5: ...5 CG3 VENTILATOR DESCRIPTIONS ...
Page 40: ...40 DETERGENT PUMP ...
Page 42: ...42 WIRING DIAGRAM FOR MODEL C 6000 10 120 VOLT ...
Page 43: ...43 WIRING DIAGRAM FOR MODEL C 6000 10 220 VOLT ...
Page 44: ...44 WIRING DIAGRAM FOR MODEL C 6000 10 A 120 VOLT ...
Page 45: ...45 WIRING DIAGRAM FOR MODEL C 6000 10 A 220 VOLT ...
Page 46: ...46 WIRING DIAGRAM FOR MODEL C 6000 10 B 120 VOLT ...
Page 47: ...47 WIRING DIAGRAM FOR MODEL C 6000 20 B 120 VOLT ...
Page 48: ...48 WIRING DIAGRAM FOR MODEL C 6000 10 B 220 VOLT ...
Page 49: ...49 WIRING DIAGRAM FOR MODEL C 6000 20 B 220 VOLT ...
