20
SXIH-SVX01C-EN
Installation
Field Installed Control Wiring (Optional)
–
Complete the field wiring connections.
Note:
All field installed wiring must comply with NEC and applicable local codes.
Fan Discharge Conversion Procedure
Refer to
and
while following the steps below to convert the fan
discharge from vertical to horizontal.
1.
Remove the front and top fan section panels.
2. Loosen the fan motor to release belt tension. Remove the fan belt. Do not force the belt over
sheaves.
3. Remove the bolts holding the fan scroll to support channels. Lift fan out through the front of the
unit.
4. Move the fan sheave to the opposite end of the fan shaft.
5. Turn the fan scroll end-for-end and bolt it to the support channels with the discharge towards
the back. Mounting holes are provided in the fan scroll.
6. Align the fan and motor sheaves. Install the belt and adjust the belt tension. Refer to
for the correct belt size. The belt should depress about one inch under light pressure when
properly adjusted.
7.
Reverse direction of the motor rotation by exchanging any two of the three motor wire
connections.
8. Exchange the front and top panel locations.
Table 8.
Belt sizes for fan discharge conversion
discharge
model
horizontal vertical
SCIJ050
A-34
A-42
SCIH075
A-34
A-42
SCIH100
B-35
B-42
SCIH150
B-30
B-38
Figure 8.
Converting fan to horizontal discharge
FAN HOUSING IN VERTICAL
DISCHARGE POSITION
INSTALL SHEAVE ON
OPPOSITE END OF SHAFT
REWIRE MOTOR TO
REVERSE ROTATION
TURN FAN HOUSING END-FOR-END
FOR HORIZONTAL DISCHARGE
installation procedure
