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Honeywell AT20 Notice D'installation page 2

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AT20, AT40, AT72D, AT87, AT88 AT TRANSFORMERS
INSTALLATION
A
B
in.
mm
in.
AT40C 2-
61
7/8
22
13/32
AT87A 2-
61
1
25
13/32
When Installing This Product...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a
hazardous condition.
2. Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
3. The installer must be a trained, experienced
service technician.
4. After installation is complete, check out product
operation as provided in these instructions.
WARNING
Electrical Shock Hazard.
Can cause severe injury, death or property
damage.
Disconnect power supply before beginning
installation to prevent electrical shock or
equipment damage.
Mounting the AT20A and AT40A
Transformer
1. Mount the transformer to best suit the replacement
application. The transformer may be mounted in
one of three ways:
a. Use bolts in slots for direct mounting (Fig. 6).
PANEL
MOUNTING
Fig. 1. Use bolts in slots for panel mounting.
b. Horizontal channel frame. Place frame over
laminations as shown in Fig. 7 and bend tabs
over to hold transformer securely in place.
Mount transformer over 3/16 in. (5 mm) holes
in mounting feet.
69-1641EF
C
D
mm
in.
mm
in.
mm
1-3/4 44
2-3/16 56
1-3/4 44
2-1/16 52
USE WASHERS
IF NECESSARY
M20654
E
in.
mm
2-7/8 73
3
76
Fig. 2. Foot mounting (AT20C shown).
c. Vertical channel mounting. Place frame over
Fig. 3. Use horizontal channel frame for horizontal
foot mounting; vertical channel frame for vertical
2
USE SCREWS OR BOLTS
THROUGH SLOTS (4) IN
MOUNTING FEET
MOUNTING FOOT (2)
laminations as shown in Fig. 8 and bend tabs
over to hold transformer securely in place.
Mount transformer through 3/16 in. (5 mm)
holes in mounting feet.
HORIZONTAL FOOT MOUNTING
USE WASHERS IF NECESSARY
BEND OVER TABS (4) TO
SECURE TRANSFORMER
VERTICAL FOOT MOUNTING
USE WASHERS
IF NECESSARY
BEND OVER TABS (4) TO
SECURE TRANSFORMER
foot mounting.
M20655
M20665
M20657

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Ce manuel est également adapté pour:

At40At72dAt87At88