Emerson ADTS manual Closed, Normal contacts Contact position Indicators left side

Page 8

INSTALLATION (continued)

Emergency contacts

window

indicators

OPEN or

CLOSED

Grasp handle firmly with both hands

Slide the hub onto the shaft and insert the pin.

Turn counterclockwise

Insert handle

into hole

to OPEN contacts.

(spring fully

Turn clockwise to

compressed)

CLOSE contacts.

 

Normal contacts

contact position

indicators (left side)

counterclockwise DOWN

clockwise DOWN

OPENS the contacts

OPENS the contacts

Pull out shaft to open Emergency

Pull out shaft to close Emergency

source contacts (upper)

source contacts (upper)

Push in shaft to open Normal

Push in shaft to close Normal

source contacts (lower)

source contacts (lower)

Figure 1-12. Removable maintenance handle and positions on 1600 – 3000 amp. G–design transfer switches.

weight

hole

maintenance

handle

Figure 1-13. Removable maintenance handle on

4000 amp. F–design transfer switch.

Verify that the maintenance handle has been removed and stored properly before proceeding!

Now continue to 2 – Voltage Checks on page 1–7.

1---6

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Contents Nameplate Table of ContentsRating Label Catalog Number Identification 4ADTS aInstallation Installation Controller GroundHarnesses Auxiliary CircuitsInstallation Functional Test Manual Operation TestDesign 150-600 amp Design 800-1200 ampTransfer Switch Interlocked Shafts Interlocked Weights Shaft IndicatorsPosition HandleNormal contacts Contact position Indicators left side Closed14. Standard controls and indicators Voltage ChecksHow to unlock the User Controls Electrical OperationTesting & Service Preventive MaintenanceReplacement Parts Disconnecting the ControllerManual Load Transfer Testing & ServiceTROUBLE-SHOOTING Index See Controller User’s Guide