Smart Sensor
Installation Instructions
NOTE:
Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause personal injury or property damage.
Consult a qualified installer, service agency, or your distributor or
branch for information or assistance. The qualified installer or
agency must use factory-authorized kits or accessories when
modifying this product. Refer to the individual instructions pack-
aged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves. Use
quenching cloth for brazing operations. Have fire extinguisher
available. Read these instructions thoroughly and follow all
warnings or cautions attached to the unit. Consult local building
codes and National Electrical Code (NEC) for special require-
ments.
Recognize safety information. This is the safety-alert symbol
.
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies hazards which
could result in personal injury or death. CAUTION is used to
identify unsafe practices which would result in minor personal
injury or product and property damage.
INSTALLATION
The smart sensor provides the ability to view and adjust the
setpoints in the zone where the sensor is located.
The smart sensor replaces a remote room sensor and requires a
single 5-wire shielded cable instead of a 2-wire conductor.
A smart sensor power pack is required. Smart Sensor Rev 1.1 will
only work with Comfort Zone Rev 1.4 or greater.
Step 1—Thermostat Cover Removal
1. Unpackage smart sensor and locate cover removal tool and
system switch cover. (See Fig. 1.)
2. While holding the removal tool with the ridged side pointing
toward you, locate the thin groove between the thermostat
case and the thermostat housing. Insert the fork of the removal
tool into the center of the bottom of the thermostat case.
Gently push the removal tool up and lift off the thermostat
cover. (See Fig. 2.)
NOTE:
If desired, the locking clip may be replaced with the
enclosed non-locking red clip. Keep the removal tool for future
use.
3. While thermostat cover is removed, insert system switch cover
into notched slot on right hand side of thermostat cover.
Step 2—Connecting Ribbon Cable to Connector Block
1. Remove circuit board from back plate by pressing locking tab
located at the bottom of the back plate and pulling circuit
board forward.
2. Remove connector block located in back plate by pushing tab
on back plate to the right and sliding connector block forward.
3. Align ribbon cable from smart sensor with ribbon connector
on connector block and push gently. (See Fig. 3.)
Step 3—Mounting Smart Sensor
1. Mount the back plate provided with the smart sensor by
cutting a 1-1/4 in. by 1-3/4 in. hole in the wall.
2. Pull 5-wire cable from smart sensor power pack through hole
in back plate housing of smart sensor, and then insert housing
into the wall. (See Fig. 4.)
3. Level back plate and screw to wall using screws provided.
Step 4—Installing Smart Sensor Circuit Board
1. Strip wires from Smart Sensor Power Pack and insert into
appropriate terminal connections on smart sensor connector
block. (See Fig. 5.)
Fig. 1—Removal Tool and Switch Cover
A94313
REMOVAL TOOL
SYSTEM SWITCH
COVER
Fig. 2—Removing Thermostat Cover
A94314
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1
1
4
4
Tab
3a 5a 2a 5a
PC 101
Catalog No. 809-562
Printed in U.S.A.
Form 920415-4SI
Pg 1
9-94
Replaces: 809-501
