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Honeywell AT120A, AT140A, AT150A, AT175A Installation Instructions page 2

Universal transformers

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PLATE MOUNTING
Mounting Plate to Transformer
Mount the plate to the transformer in either of two
positions (see Fig. 2):
a. at the clamp on the primary end bell, or
b. at the laminations.
Fig. 2—Plate may be mounted to transformer
in either of two position.
PLATE MOUNTED AT CLAMP ON PRIMARY END BELL
END
BELL
LEADWIRES
FOR PRIMARY
CONNECTIONS
CLAMP SCREW
AND CLAMP
PLATE MOUNTED AT THE LAMINATIONS
MOUNTING
PLATE
LEADWIRES
FOR PRIMARY
CONNECTIONS
1
MOUNTING FEET ON "A" MODELS ONLY.
69-0251—2
MOUNTING PLATE
SCREW
TERMINALS FOR
SECONDARY
CONNECTIONS
RAISED PORTION OF
LARGE CENTER KNOCKOUT
MOUNTING
SCREW
SCREW
TERMINALS FOR
SECONDARY
CONNECTIONS
To mount the plate at the primary end bell:
1. Turn the screw on the clamp almost all the way out.
2. Hold the mounting plate with the keyhole slots up
and the raised portion of large center knockout away from
you.
3. From the back, thread the primary leadwires through
the round center hole in the plate.
4. Fit the clamp and screw through the round hole.
5. While holding the plate in place, tighten the setscrew
securely against the rim of the hole. See Fig. 3. Avoid
damaging the leadwires with the screwdriver.
Fig. 3—When screw is tightened, clamp holds
plate on transformer.
1
1
M9162
2

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