Honeywell AT120A ユーザーズマニュアル

AT120A, AT140A, AT150A, AT175A UNIVERSAL TRANSFORMERS

69-0251-3

Mounting

The transformer can be mounted in one of three ways:
— foot mounting.
— plate mounting.
— mounting through outlet box knockout hole.

Foot Mounting

1. Mount the transformer using screws (not supplied)

through the four 3/16 in. x 3/8 in. holes in the
mounting feet.

2. Make line voltage primary connections within an

approved enclosure. See Fig. 1.

3. Discard the mounting plate.

Fig. 1. Foot mounting.

Plate Mounting

MOUNTING PLATE TO TRANSFORMER
Mount the plate to the transformer in either of two
positions (see Fig. 2):
• at clamp on primary end bell.
• at laminations.

Fig. 2. Mounting plate to transformer in either

of two positions.

MOUNTING PLATE AT CLAMP ON 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 the 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.

USE SCREWS OR

BOLTS THROUGH

SLOTS (4) IN

MOUNTING FEET

SCREW TERMINALS

FOR SECONDARY

CONNECTIONS

MOUNTING

FOOT (2)

LEADWIRES

FOR PRIMARY

CONNECTIONS

M9161

PLATE MOUNTED AT CLAMP ON PRIMARY END BELL

MOUNTING
PLATE

MOUNTING PLATE

PLATE MOUNTED AT THE LAMINATIONS

M9162

END
BELL

CLAMP SCREW
AND CLAMP

RAISED PORTION OF
LARGE CENTER KNOCKOUT

LEADWIRES
FOR PRIMARY
CONNECTIONS

MOUNTING
SCREW

SCREW
TERMINALS FOR
SECONDARY
CONNECTIONS

MOUNTING FEET ON "A" MODELS ONLY.