Honeywell L482A 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
convenient location (including the duct itself). Orient the case
with the bellows positioned on the bottom.
® U.S. Registered Trademark
Copyright © 2004 Honeywell International Inc.
All Rights Reserved
Low Limit Controller
INSTALLATION INSTRUCTIONS
SETPOINT
SCALE
20 FT BY 1/8 INCH
SENSING ELEMENT
3/8 X 3/16
(10 X 5)
DIAMETER
ELONGATED
1-7/8
MOUNTING
(48)
HOLE
1-1/8 (29)
1 (25)
MOUNTING
HOLES (2)
10-32 UNF-2B
THREAD
5/16 (8)
Fig. 1. L482A Low Limit Controller dimensions in in. (mm).
L482A
4 (101)
PUSH
TO
SETPOINT
RESET
ADJUSTMENT
SCREW
4-11/16
(119)
7/8 (22) HOLE
FOR 1/2 CONDUIT
WITH 1-3/32 (28)
KNOCKOUT RING
FOR 3/4 CONDUIT
2-3/32
(53)
3/16 (5)
DIAMETER
MOUNTING
HOLE
5/16
(8)
3-1/4 (83)
C606A
95-7432-1
996-496 Rev. A