Model G0637 440V Conversion - Grizzly G0638HEP Manual

G0637 440V Conversion
The Model G0637 can be converted for 440V
operation. This conversion job consists of dis-
connecting the machine from the power source,
replacing the control box assembly and the motor
cord, and rewiring the motor for 440V operation.
The necessary conversion kit (Part P0637119V2)
for this procedure can be purchased by calling
Grizzly Customer Service at (800) 523-4777.
All wiring changes must be inspected by a quali-
fied electrician before the machine is connected
to the power source. If you need help at any time
during this procedure, call Grizzly Tech Support at
(570) 546-9663.
To rewire the Model G0637 for 440V operation:
1.
DISCONNECT MACHINE FROM POWER!
2.
Disconnect existing incoming power and
300V motor wires from the control box (use
illustration in Figure 3 for a general refer-
ence), then replace 220V control box with
440V control box.
4 Incoming Power Wires
A1
30VA
Transformer
0
440
460
0
220
230
2T1
E
Figure 3. Model G0637 440V control box wiring.
-14-
1L1 3L2 5L3 13NO
NHD C-18D
14NO
2T1 4T2 6T3
A2
O R
98 97 96 95
NTH-15
4T2 6T3
New 600V
Motor Wires
3.
Connect four incoming power wires to the
control box, as illustrated to the right.
4.
Connect new 600V motor cord wires to con-
trol box, as shown in Figure 3.
5.
Disconnect the old motor cord from the motor
and remove the (3) terminal jumpers (see
Figure 4).
Bk
U5 U1 V5
Bk
W6 W2 U6
U5 U1 V5
220VAC
W6 W2 U6
(Pre-Wired)
Figure 4. Model G0637 motor wired for 220V.
220VAC
6.
Rewire the motor wires for 440V and attach
(Pre-Wired)
the new motor cord, as illustrated in Figure 5.
Bk
W6 U1 U6
OL_NO AC
A2
Bk
OUT
440V
Circuit Board
W5 W2 U5
W6 U1 U6
440VAC
W5 W2 U5
(Re-wired)
440VAC
(Re-wired)
Figure 5. Model G0637 motor re-wired for 440V.
ON/OFF
Switch
Model G0637/G0638 (Mfd. Since 04/12)
Wt Rd Gn
V1 W5 W1
Wt Rd Gn
U2 V6 V2
V1 W5 W1
Remove U2 V6 V2
Wt Rd Gn
V1 V6 W1
AC
Wt Rd Gn
IN
V5
U2 V2
V1 V6 W1
U2 V5 V2