Size C And D Single Phase Power Installation - Baldor 18H Series Installation & Operating Manual

Size C and D Single Phase Power Installation

J2
J3
JP2
Pins 1 & 2 = Single Phase
Pins 2 & 3 = Three Phase
8380
3-20 Receiving & Installation
Figure 3-5
Jumper Configuration
Place JP2 on pins 1 & 2 for control single phase operation.
Place JP3 in position B for fan single phase operation.
Gate Drive Circuit Board
J4 J5
1
JP3
Position A = Three Phase
Position B = Single Phase
Power and Control Connections
The single phase power and motor connections are shown in Figure 3-4.
1. Connect the incoming power wires to Main Circuit Terminals L2 and L3.
2. Place a jumper across control power input terminals L1 and L2. Use the same
size wire for the jumper as the incoming power wires on L2 and L3.
3. Connect earth ground to the " " of the control. Be sure to comply with local
codes.
Note: Use same gauge wire for earth ground as is used for L1, L2 and L3
connections. Refer to the Wire Size and Protection Devices tables
shown previously in this section.
4. Connect the three phase power leads of the AC motor to terminals T1, T2, and
T3 of the Main Circuit Terminals.
5. Connect motor ground wire to the " " of the control. Be sure to comply with all
applicable codes.
Note: In steps 3 and 5 grounding by using conduit or panel connection is not
adequate. A separate conductor of the proper size must be used as a ground
conductor.
R24
R27
R35
R36
R58
JP3
A
B
AC INPUT
1
JP1
J12 J14
J13
MN718