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.
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.
Table 1—Rotary Switch Options
POSITION
DESCRIPTION
1
Set Device Address
ie. Zone 2 = Address 3
ie. Zone 3 = Address 2
ie. Zone 4 = Address 1
2
Calibrate Zone Temp
Sensor
3 through D
Not Used
E
Toggle For Alternate
Display On/Off
F
Toggle For Baud Rate
On = 2400
Off = 4800
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.
Table 2—Smart Sensor Error Codes
ERROR CODE
FAILURE
ROTARY
SWITCH
DEFAULT
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
Packed Spts Base
Temps
n/a
70, 66
HF 20
Zone Temp Sensor
n/a
Bad board sensor
System should run
HF 21
Controller Comm Fault
n/a
Possible wiring prob-
lem or bad board
HF 22
GPI UART Trans Fault
n/a
Fatal error—system
stopped
HF 23
Non Volatile RAM
Fault
n/a
Fatal error—system
stopped
* Packed setpoints temperatures will depend upon the setpoint base tempera-
tures
SF = Software Failure
HF = Hardware Failure
Fig. 3—Aligning RIbbon Cable
A94315
RIBBON CONNECTOR
TERMINAL BLOCK
SMART SENSOR
Fig. 4—Mounting Back Plate
A94316
Fig. 5—Smart Sensor Wiring
A94317
RED
GREEN
BLACK
YELLOW
WHITE
2
