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Page 24
Exhaust Installation—Multiple Manifold Duct
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AUTOMATIC ELECTRICAL CONTROL FOR EXHAUST FAN
For one or more dryers to start fan.
Exhaust
Booster Fan
Power Supply
to Fan
Relay Coils
Start and Stop
Switches on
Dryers
For Exhaust Duct less than 14 feet and 2 elbows
equivalent and less than 0.3 inches static pressure.
DRYER EXHAUSTS
Area of section “A-A” must be equal to the sum of dryer exhaust pipes entering
multiple exhaust pipe. (See chart below.)
MODELS: L28FD30, L28US30, L36FD30, L36US30, L36US36, L44FD42
MODELS: L28CD30, L28UR30, L36CD30, L36UR30, L36UR36, L36AR36, L44FD42
MODELS: L44CD42, L50CD42
No. of Dryers
Duct Diameter
(in inches)
(in CM)
No. of Dryers
Duct Diameter
(in inches)
(in CM)
No. of Dryers
Duct Diameter
(in inches)
(in CM)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
6 9 11 12 14 15 16 17 18 19 20 21 22 23 23 24 25 26 26 27 28 28 29 30
15 23 27 30 35 38 41 43 46 48 51 53 56 58 58 61 63 66 66 68 71 71 73 76
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
8 1214161820222324262728293031323334353637383940
20 30 25 41 46 51 56 58 61 66 68 71 73 76 78 81 84 86 89 91 94 97 99 100
123456789101112
12 17 21 24 27 30 32 34 36 38 40 42
30 43 53 61 68 76 81 86 91 97 100 106