BASIC SERVICE

ELECTRICAL SERVICE (Cont.)

Motor Connections —

1.Models MH-60, MH-6N, and MH-6L are available in either single phase or 3 phase voltages.

2.Motor rotation was set at the factory. For three phase machines, reversing the motor direction is done in the control cabinet by reversing the wires L1 and L2 on the disconnect side of the main electrical connection block. For single phase machines, motor rotation is changed at the motor connection plate on the rear of the single phase motor (if necessary).

Refer to Fig. 20 for the proper wiring of the pump motor for single and three phase voltages.

Single Phase - Low Voltage

Single Phase - High Voltage

L1

LINE

L1

LINE

J

J

 

 

3

3

2

8

4

4

8

 

 

 

LINE

 

LINE

L2

2

L2

 

 

 

Figure 20

Pump Motor Wiring Diagrams

208-240V

480V

Three Phase - Low Voltage

Three Phase - High Voltage

6 5 4

6

5

4

575V Only

 

Three Phase

9

8

7

9

8

7

3

2

1

3

2

1

3

2

1

LINE

LINE

LINE

31

Page 33
Image 33
Moyer Diebel MH-6NM3, MH-6LM3, MH-60M3 technical manual Electrical Service Motor Connections, Line