L482A
Low Limit Controller
INSTALLATION INSTRUCTIONS
BEFORE INSTALLATION
No special tools are required to install the L482A Low Limit
Controller. Refer to the job drawings for specific wiring and
installation information.
INSTALLATION
When Installing this Product...
1.
Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous
condition.
2.
Check ratings given in instructions and on the product to
ensure the product is suitable for your application.
3.
Installer must be a trained, experienced service
technician.
4.
After installation is complete, check out product
operation as provided in these instructions.
Mounting
IMPORTANT
1.
The controller operates from the lowest temperature
along the entire 20 feet of the sensing element.
2.
Locate controller case and bellows where ambient
temperature is always warmer than the set point.
3.
For settings above the scale range midpoint it can be
necessary to locate the controller case close to a
steam pipe or other warm surface and make sure the
element does not extend across a cold surface.
Controller
Surface mount the controller (Fig. 1) vertically on any
Fig. 1. L482A Low Limit Controller dimensions in in. (mm).
convenient location (including the duct itself). Orient the case
with the bellows positioned on the bottom.
SETPOINT
ADJUSTMENT
SCREW
4 (101)
2-3/32
(53)
7/8 (22) HOLE
FOR 1/2 CONDUIT
WITH 1-3/32 (28)
KNOCKOUT RING
FOR 3/4 CONDUIT
1-7/8
(48)
5/16
(8)
3/16 (5)
DIAMETER
MOUNTING
HOLE
3-1/4 (83)
5/16 (8)
1 (25)
1-1/8 (29)
3/8 X 3/16
(10 X 5)
DIAMETER
ELONGATED
MOUNTING
HOLE
C606A
SETPOINT
SCALE
4-11/16
(119)
MOUNTING
HOLES (2)
10-32 UNF-2B
THREAD
PUSH
TO
RESET
20 FT BY 1/8 INCH
SENSING ELEMENT
® U.S. Registered Trademark
Copyright © 2004 Honeywell International Inc.
95-7432-1
All Rights Reserved
996-496 Rev. A
