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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 the ratings given in the instructions and on the
product to make sure 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.
CAUTION
Electrical Shock or Equipment Damage Hazard.
Can shock individuals or short equipment
circuitry.
Disconnect power supply before installation.
The sensor assembly (see Fig. 1) consists of an aluminum
sensor probe (element housed internally) with attached flange
that can be mounted on a flat duct or plenum surface, or in
a 2 in. by 4 in. (51 by 102 mm) junction box using two No. 8
screws. Connections to the sensor are made through two 6 in.
(152 mm) leadwires.
Location
The sensor should be located in the air duct or plenum where
it will sample an average air temperature. Avoid locations
where air stratification can cause sensing errors.
Mounting
Mounting on a Flat Duct or Plenum Surface (Fig. 2)
1. Cut a 3/8 in. (9.5 mm) hole in the duct or plenum
surface at the desired location.
2. Insert sensor probe into the duct or plenum until the
flange rests against the duct or plenum wall.
3. If necessary, use the flange as a template to mark
and drill two holes for No. 8 mounting screws.
4. Fasten the sensor to the duct or plenum surface
with two No. 8 sheet metal screws (not provided).
Mounting in a Junction Box (Fig. 3)
1. Cut a 3/8 in. (9.5 mm) hole in the duct or plenum
surface at the desired location.
2. Remove the center rear knockout from the junction box
and insert the sensing probe through the knockout with
the flange flat against the outlet box.
C7046A,B,C,D AIR TEMPERATURE SENSORS
3. Using the flange as a template, mark and drill two holes
in the junction box and the duct or plenum surface for
No. 8 mounting screws.
4. Insert sensor probe through both the junction box
knockout and the 3/8 in. (9.5 mm) hole drilled in the duct
or plenum and fasten the junction box and sensor to the
duct or plenum surface.
SENSOR
PROBE
TO
APPROPRIATE
SYSTEM
COMPONENTS
M22403
Fig. 2. Mounting C7046 Air Temperature
Sensor on a flat duct or plenum surface.
STANDARD UTILITY
CONDUIT BOX
CONNECTOR
LOCKNUT
AND
CONDUIT
TO APPROPRIATE
SYSTEM
COMPONENTS
SYSTEM
DUCT OR
PLENUM
Fig. 3. Mounting C7046 Air Temperature
Sensor in a junction box.
3
SYSTEM DUCT
OR PLENUM
NO. 8 (4mm)
MOUNTING SCREWS
(NOT PROVIDED)
FLANGE
CONNECT SENSOR
WIRES WITH TWO
WIRENUT CONNECTORS
(NOT PROVIDED)
FLANGE
NO. 8 (4mm)
SENSOR
PROBE
MOUNTING
SCREWS (NOT
PROVIDED)
BLANK
FACEPLATE
(OPTIONAL)
CONNECT SENSOR WIRES
WITH TWO WIRENUT
CONNECTORS (NOT PROVIDED)
60-2350—8
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