For Exhaust Duct less than 14 feet and 2 elbows
equivalent and less than 0.3 inches static pressure.
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, L36UR30, L36CD36, L44FD42
No. of Dryers
Duct Diameter
(in inches)
15 23 27 30 35 38 41 43 46 48 51 53 56 58 58 61 63 66 66 68 71 71 73 76
(in CM)
MODELS: L28CD30, L28UR30, L36CD30, L36UR30, L36CD36, L44FD42
No. of Dryers
Duct Diameter
(in inches)
20 30 35 41 46 51 56 58 61 66 68 71 73 76 78 81 84 86 89 91 94 97 99 100
(in CM)
MODELS: L44CD42, L50CD42
No. of Dryers
Duct Diameter
(in inches)
(in CM)
AUTOMATIC ELECTRICAL CONTROL FOR EXHAUST FAN
Power Supply
to Fan
Relay Coils
Start and Stop
Switches on
Dryers
Dryer Installation With Multiple Exhaust
1
2
3
4
5
6
7
6
9 11 12 14 15 16 17 18 19 20 21 22 23 23 24 25 26 26 27 28 28 29 30
1
2
3
4
5
6
7
8 12 14 16 18 20 22 23 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
1
2
3
4
5
6
12 17 21 24 27 30 32 34 36 38 40 42
30 43 53 61 68 76 81 86 91 97 100 106
For one or more dryers to start fan.
DRYER EXHAUSTS
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
7
8
9
10 11 12
Page 24
Exhaust
Booster Fan