User Manual
10 Twin City IM 4205
Side Discharge Option
Side discharge kits (including panels, mounting collars, and necessary hardware) are available to provide 1-way, 2-way,
or 3-way discharges. Note: Panel opposite motor (on belted BSI) cannot be used for discharge.
INLET
INLET
INLET
LEFT
RIGHT
LEFT
RIGHT
INLET
LEFT
REAR
REAR
RIGHT
RIGHT
INLET
REAR
LEFT
FIG. B
FIG. G
FIG. E
FIG. F
FIG. C
FIG. D
INLET
Option Figure Configuration
Standard A Rear
1-Way
B Left
C Right
2-Way
D Left and Right
E Left and Rear
F Right and Rear
3-Way G Left, Right and Rear
Configurations
INLET
REAR
Fig. A
Duct Openings
Model
BSI
Model
DSI
Left and Right Discharge Rear Discharge/Inlet
Duct Collar
Duct Size
Required
Duct Collar
Duct Size
Required
Width Height Width Height
080 080
11.88 11.88 12 x 12 11.88 11.88 12 x 12
090 090
11.88 11.88 12 x 12 11.88 11.88 12 x 12
100 100
13.88 13.88 14 x 14 13.88 13.88 14 x 14
120 120
15.88 15.88 16 x 16 15.88 15.88 16 x 16
135 135
17.88 17.88 18 x 18 17.88 17.88 18 x 18
150 150
19.88 19.88 20 x 20 19.88 19.88 20 x 20
165 165
22.88 22.88 23 x 23 22.88 22.88 23 x 23
180 —
23.88 23.88 24 x 24 23.88 23.88 24 x 24
210 —
27.88 27.88 28 x 28 27.88 27.88 28 x 28
225 —
25.88 28.88 26 x 29 29.88 29.88 30 x 30
245 —
27.88 31.88 28 x 32 32.88 32.88 33 x 33
270 —
29.88 33.88 30 x 34 35.88 35.88 36 x 36
300 —
29.88 37.88 30 x 38 39.88 39.88 40 x 40
330 —
31.88 39.88 32 x 40 43.88 43.88 44 x 44
365 —
32.88 41.88 33 x 42 45.88 45.88 46 x 46
402 —
34.88 46.88 35 x 47 51.88 51.88 52 x 52
Side Discharge Instructions
SCREW, WHIZLOCK
SELF THREAD
#10 X 1/2 LG
OUTLET ANGLE
1/4-20 X 3/4
TAPTITE SCREW
ACCESS PANEL
NOTES:
1. Remove outlet angles from fan discharge.
2. Remove access panel from side required to be discharge.
3. Mount outlet angles on new discharge.
4. Mount access panel on back of fan (previous outlet).