Emerson 7ADTB Betreibershandbuch PDF herunterladen (Seite 5)

SECTION 1 INSTALLATION

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The ASCO 7000 Series Automatic Delayed–Transition

Tra nsfer & Bypass–Isolati on S witch (ADTB) consists

of an upper bypass–isolation switch, a transfer switch, a

monitoring and transfer controller, and door–mounted

controls. The ADTB is factory wired and test ed.

Installation requires removal of the shipping skid then

securing the enclosure to the supporting foundatio n.

Remove the Shipping Skid

Open the front lower door and remove the two front

lag screws securing the enclosure to the wood skid.

Next remove the rear lower panel and remove the two

rear lag screws securing the enclosure to the wood skid.

Supporting foundation and mounting

The supporting foundation for the enclosure must be

level and straight. Allow at least 35 inches in front of

the enclosure for draw out of the Transfer Switch.

Refer to the enclosure outline drawing included with

the 7000 Series ADTB for all mounting details

including door opening space.

If bottom cable entry i s used, the foundation must be

prepared so that the conduit stubs are located

correctly. Ref er to the appropriate enclosure outline

drawing for specified cable entrance area and location.

Provide cable bending space and clearance to live metal

parts. When a concrete floor is poured, use

interlocking conduit spacer caps or a wood or metal

template to maintain proper conduit alignment.

Mounting

Refer to the enclosure outline drawing furnished with

this switch and mount the 7000 Series ADTB according

to the details and instructions shown on the drawing.

Remove Shipping Brackets / Angles

from the Transfer Switch

Open the lower front door(s). T he Transfer Swi tch

carriage is secured to the frame for shipment. Remove

the three or four shipping brackets or L–angles:

(1upperleft,1upperright,1lowerright,or2loweron

4000 A).

To prevent serious damage, remove three or

four shipping brackets or L–angles from the

Transfer Switch carriage. Do not turn the

Isolation Handle until they are removed!

remove 3 or 4 shipping brackets ( L–angles)

Figure 1-1. On 1000–3000 A remove 3 shipping

brackets.

remove 2 lower

shipping brackets

remove 2 upper shipping brackets

Figure 1-2. 4000A remove four shipping brackets.

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