Instructions / Assembly

ManualsBrandsUnbranded ManualsHeating, Ventilation, and Air Conditioning24-Volt Transformer

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AT20, AT40, AT72D, AT87, AT88 AT TRANSFORMERS

69-1641EF—01 4

Fig. 4. Plate may be mounted to transformer in one

of two positions (AT72D shown).

Fig. 5. Tighten clamp securely against rim of round

hole.

Fig. 6. Removing large center knockout.

PLATE MOUNTED AT CLAMP ON END BELL

(ALL ABOVE PLATE MOUNTING)

PLATE MOUNTED AT THE LAMINATIONS

(3/4 ABOVE PLATE MOUNTING)

END BELL

MOUNTING PLATE

RAISED PORTION OF LARGE CENTER KNOCKOUT

CLAMP

SCREW

AND

CLAMP

MOUNTING SCREW

MOUNTING PLATE

SCREW

TERMINALS

FOR

SECONDARY

CONNECTIONS

SCREW

TERMINALS

FOR

SECONDARY

CONNECTIONS

LEADWIRES

FOR PRIMARY

CONNECTIONS

LEADWIRES

FOR PRIMARY

CONNECTIONS

M20656

M12126

M9188A

WITH RAISED PORTION OF KNOCKOUTS FACING YOU:

PRY UP TOP SECTION OF LARGE KNOCKOUT

BY INSERTING SCREWDRIVER FIRST AT ONE

SIDE OF SLOT AND THEN AT THE OTHER SIDE.

1.

THEN PRY UP BOTTOM SECTION OF KNOCKOUT.2.

REMOVE BOTH SECTIONS OF KNOCKOUT WITH PLIERS.3.

SHADED AREAS REPRESENT KNOCKOUTS

AND SCREW SLOTS USED WITH 2 X 4 INCH

OR OCTAGONAL OUTLET BOXES.