Southbend SB1020 - Manual (Page 43)

For Machines Mfg. Since 8/09 Model SB1020
-41-
S E R V I C E
Wiring diagrams are provided in this section
showing the Model SB1020 wired for both 110V
and 220V. Refer to these diagrams if needed
when following this procedure. Additionally, you
must purchase a 220V electrical box cooling fan
in order to complete the conversion.
items Needed Qty.
220V Electrical Box Cooling Fan
(Part No. PSB1020511)* ................................1
Phillips Screwdriver #2 ........................................1
NEMA 6-15 Plug ...................................................1
*Contact South Bend Customer Service at (360)
734-1540 to order this part.
To convert the Model SB1020 to 220V:
1. DISCONNECT BANDSAW FROM POWER!
2. Open the upper electrical box, then locate
the jumper wire at the J1 location on the
circuit board.
3. Carefully switch the jumper wire from the
115V position to the 230V position (see
Figure 49).
220V Conversion
Figure 49. Changing jumper wire at location J1.
U V W
L1 L2
Jumper Moved
for 220V
115V
P1 P3 P2
V1 W1
L1 L2
U1
G | 0 | 110 | 220 | 0 | 24
Transformer
LCE TBSM 20VA
P1
P2
P3
230V
115V
230V
J1
J1
4. Locate the transformer in the electrical box.
5. Depress the push spring terminal at the 110
terminal Position A and remove the L2 wire
(see Figure 50).
Transformer
LCE TBSM 20VA
6 L1
0
L2
position A
position B
Figure 50. Transformer rewired for 220V.
6. Depress the 220 terminal push spring
terminal at Postion B and insert the L2 wire.
7. Replace the 115V cooling fan with the
220V electrical box cooling fan (Part No.
PSB1020511).
8. Remove the pump motor junction box cover,
then re-configure the pump motor jumpers
as shown in Figure 51.
Figure 51. pump motor rewired for 220V.
V2
V2
U2
U2
4 1
3 2
S. Capacitor
3M
F
D 45
0V
A
C
GND
PRE-WIRED
FOR 110V
V2
V2
U2
U2
4 1
3 2
S. Capacitor
3M
F
D 45
0V
A
C
GND
REWIRED
FOR 220V
Note jumper locations