Electrical Requirements

For CE Marked Models Only

All manually operated models are factory-equipped with an emergency stop button on the front panel.

NOTE: Activation of the emergency stop switch stops all machine control circuit functions, but DOES NOT remove all electrical power from machine.

To Connect Electrical Service to the Tumbler

NOTE: The wiring diagram is supplied in literature packet in cylinder.

1.Install a circuit breaker as close to the tumbler as possible. If more than one tumbler is being installed, a disconnect switch or circuit breaker should be provided for each. This will make it possible to disconnect each tumbler for maintenance purposes.

2.Connect conduit-encased leads to the disconnect switch or circuit breaker. Connect wire leads to the appropriate labeled terminal on the terminal block. The ground wire must be connected to the ground connection as shown in Figure 18.

3.Check the electrical service phase sequence (three phase only) as follows:

a.If one of the power leads is a “high leg,” connect it to lead L3 in the tumbler. The cylinder must rotate clockwise and the fan must rotate counterclockwise (as viewed from the front of the tumbler – with selector switch in non-reverse position). If not, interchange leads L1 and L2 in the tumbler connection box.

NOTE: On reversing tumblers, the fan motor rotates counterclockwise (viewed from the front).

b.Disconnect and reverse any two leads at connections.

2

1

3

T390i

4

NON-CE MARKED MODELS

T390I

1Contactor Box or Junction Box

2Electrical Service

3Fuses

4Ground Screw

2

1

3 4

3

CE MARKED MODELS

TMB1275N

TMB1275N

Figure 18

46

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