Carrier Smart Sensor Installation Instructions Manual
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 packaged 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 requirements.
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 CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which willresultinsevere
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.
Smart Sensor
SYSTEM SWITCH
COVER
REMOVAL TOOL
Fig. 1—Removal Tool and Switch Cover
.
A94313
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 switchcover
into notched slot on right hand side of thermostat cover.
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
Fig. 2—Removing 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.)
A94314
RIBBON CONNECTOR
3. Align smart sensor circuit board in back plate housing and
snap securely in place.
4. Reinstall thermostat cover pressing firmly until it locks into
place.
5. Install Smart Sensor Power Pack into the Comfort Zone
Center. Attach wires according to Fig. 6.
NOTE: Four Zone Controller is always zone 1.
SMART SENSOR
TERMINAL BLOCK
Fig. 3—Aligning RIbbon Cable
Fig. 4—Mounting Back Plate
GREEN
YELLOW
BLACK
A94315
A94316
Table 1—Rotary Switch Options
POSITION DESCRIPTION
Set Device Address
1
2
3 through D Not Used
E
F
Note: Rotary switch must be always be left in the ″0″ zero position after viewing
options. Failure to reset rotary switch to 0 will interupt communication
between Smart Sensor and Four Zone Controller.
ie. Zone 2 = Address 3
ie. Zone 3 = Address 2
ie. Zone 4 = Address 1
Calibrate Zone Temp
Sensor
Toggle For Alternate
Display On/Off
Toggle For Baud Rate
On = 2400
Off = 4800
Table 2—Smart Sensor Error Codes
ERROR CODE FAILURE
SF 01 Device Address 1 64
SF 02 Packed Setpoints* n/a 74, 74
SF 03 Zone Temp Cal Word 2 1024
SF 04 Baud Rate F on
SF 05 Alternate Display E off
SF 06 Display Status n/a 08
SF 07 Packed Set Back Spts n/a 85, 60
SF 08
HF 20 Zone Temp Sensor n/a
HF 21 Controller Comm Fault n/a
HF 22 GPI UART Trans Fault n/a
HF 23
* Packed setpoints temperatures will depend upon the setpoint base temperatures
SF = Software Failure
HF = Hardware Failure
Packed Spts Base
Temps
Non Volatile RAM
Fault
ROTARY
SWITCH
n/a 70, 66
Bad board sensor
System should run
Possible wiring prob-
lem or bad board
Fatal error—system
n/a
Fatal error—system
DEFAULT
stopped
stopped
WHITE
RED
Fig. 5—Smart Sensor Wiring
2. Push wires back into wall. Align connector block on the
right-hand track in back plate housing, push tab to the right
and slide connector block back to its original location.
A94317
2
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