Name: Hach sc200
Brand: Hach
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Model 6 Motor Control Centers 80459-641-01E

Section 6—Maintaining the MCC 10/2012

ENGLISH

Control Devices—Check for proper operation of starters, relays, timers,

and other control devices (see Figure 92).

Overload Relay—Manually trip the overload relay to ensure proper

operation (see Figure 93). Verify that the thermal unit is the proper size for

the application. Refer to the thermal unit selection tables on the inside of the

vertical wire trough doors.

Wiring and Electrical Connections—Verify that all electrical connections

are correct; tighten them if necessary (see Figure 94). Also inspect all power

and control wiring, replacing any wire that has worn insulation or shows

signs of overheating or cracking.

Starter Interlocks—Check the mechanical interlocks on reversing,

multi-speed, or reduced voltage starters.

Figure 92: Control Devices

Figure 93: Tripping the Overload Relay

Figure 94: Tightening Electrical Connections

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