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WARNING!
POWER SWI TCH
I NDI CATOR LI GHT
SPEED CONTROL KNOB
Fig. 2 - Control box parts
INSTALLATION AND CONNECTION
1. Mount the control box at an accessible location onto
the outside of the bin or some other surface.
2. Refer to OPERATION heading and pre-adjust the
blade assembly for the bin size application.
3. Adjust the hanger extensions to fit the roof opening
and install the Scattergrain unit. Holes are provided in
the ends of the hangers to bolt unit to the hatch collar.
After unit is in place, check to make sure it is level. If
required, add spacer washers to level the unit. Then bolt
hanger brackets to the collar to prevent them from mov-
ing or becoming unhooked.
4. Rotate blade by hand to make sure it is not
obstructed.
5. Determine the length of electrical conduit and wires
required to connect motor to control box.
NOTE: Wire sizes should be 14 gauge MINIMUM.
Consult an electrician for wire size on long runs.
6. Connect the four electrical wires between the num-
bered motor leads and the numbered control box termi-
nals as listed. See Fig. 3 and wiring diagrams.
A. Control Box Terminal No. 3 to Motor Lead F1
B. Control Box Terminal No. 4 to Motor Lead A1
C. Control Box Terminal No. 5 to Motor Lead F4
D. Control Box Terminal No. 6 to Motor Lead A2
7. Connect the POWER SUPPLY as listed:
A. 220V models: Connect wires L1 and L2 to con-
trol box terminal numbers 1 and 2.
A. 440V models: Connect wires L1 and L2 to the
primary fuses.
B. Connect ground wire to ground lug within control
box.
8. Recheck all wires to ensure they are properly con-
nected and tightened.
CAUTION: Improper installation of this control
may cause injury to personnel or control fail-
ure. THE CONTROL BOX MUST BE
220V MODELS
FFD3.DS4
FFD3.DS4
440V MODELS
Fig. 3 - View of internal control box parts
INSTALLED AND GROUNDED IN ACCORDANCE
WITH LOCAL STATE AND NATIONAL SAFETY
CODES.
Accidental grounds on any of the motor leads may dam-
age the unit when power is applied.
9. Turn ON main power supply and test operate the
Scattergrain throughout the full speed range. The blade
must rotate clockwise as viewed when looking up from
inside the bin. If motor rotation is incorrect, turn OFF
main power supply and reverse the motor lead wires at
terminal Nos. 4 and 6 on the terminal strip.
OPERATION
The following information will be helpful when adjusting
and operating the Scattergrain unit. See Figs. 1 and 2.
2
SCR CONTROL BOARD
TERMI NAL STRI P
GROUND L UG
8- AMP, 250V FUSES
5- AMP, 600V FUSES
( PRI MARY)
8- AMP, 250V FUSES
GROUND L UGS
TERMI NAL STRI P
POWER TRANSFORMER
1
2
3 4
5
6
SCR CONTROL BOARD
1
2
3 4
5
6
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