Twin City IM-4800 15
WPD – Direct Drive
AIR
FLOW
AIR
FLOW
D MA
MAX
A DIA.
C SQ. OUTSIDE
A DIA.
B
B
2.00
2.00
WPD
SIZE
A B C SQ.
D MAX
DAMPER
SIZE
MAX
MOTOR
FRAME
EXHAUST SUPPLY
14 14.25 2.75 17 11.18 14.88 14 x 14 56
16 16.25 3.00 20 11.18 14.88 17 x 17 56
18 18.25 3.00 22 11.18 14.88 19 x 19 56
21 21.25 3.50 25 14.41 17.36 22 x 22 145T
24 24.25 3.50 28 14.55 17.36 25 x 25 184T
30 30.38 4.00 36 14.74 19.05 33 x 33 184T
36 36.38 5.00 42 15.67 19.93 39 x 39 215T
42 42.38 5.50 48 23.59 30.00 45 x 45 254T
48 48.38 6.00 54 23.59 30.00 51 x 51 254T
Exhaust Airflow Supply Airflow
Dimensional Data
WPB – Belt Driven, Levels 1 & 2
AIR
FLOW
AIR
FLOW
C SQ. OUTSIDE
A DIA.
D MAX D MAX
A DIA.
2.00
2.00
B
B
WPB
SIZE
A B C SQ.
D MAX
DAMPER
SIZE
MAX MOTOR
FRAME
EXHAUST SUPPLY
L1 L2
L1 L2 L1 L2
21 21.25 3.50 25 15.88 15.88 18.44 18.44 22 x 22 56 145T
24 24.25 3.50 28 16.19 16.19 19.19 19.19 25 x 25 56 145T
30 30.38 4.00 36 17.81 19.31 20.50 22.00 33 x 33 145T 184T
36 36.38 5.00 42 17.50 19.13 21.50 23.13 39 x 39 145T 184T
42 42.38 5.50 48 17.88 19.38 22.19 23.75 45 x 45 145T 184T
48 48.38 6.00 54 18.75 20.13 23.06 24.63 51 x 51 145T 184T
54 54.38 6.50 60 18.88 20.50 23.69 25.19 57 x 57 145T 184T
60 60.38 7.25 66 19.50 24.75 24.44 29.94 63 x 63 145T 215T
Exhaust Airflow Supply Airflow