Sensor Wiring For Temperature Averaging - Honeywell VISIONPRO TB8220U Installation Instructions Manual

Sensor Wiring for Temperature Averaging

S1
TR21
T
TR21
T
Fig. 18. Wiring four TR21 (20K ohm) Sensors.
S1
T4
1
TR21-A
1 THE TR21-A IS A 10K OHM SENSOR.
Fig. 19. Wiring two TR21-A (10K ohm) Sensors to
provide a temperature averaging network.
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT
SUBBASE
S2
TR21
T T T
TR21
T T T
M27481
SUBBASE
S2
T3 T4 T3
1
TR21-A
M27482
S1
TR21
T
TR21
T
1 THE TR21-A IS A 10K OHM SENSOR.
Fig. 20. Wiring two TR21 (20K ohm) Sensors and one
TR21-A (10K ohm) sensor to provide a temperature
averaging network
Y2
W2
S1
S2
1 WIRES MUST HAVE A CABLE SEPARATE FROM
THE THERMOSTAT CABLE.
Fig. 21. Wiring four C7189U (10K ohm) Sensors to
provide a temperature averaging network.
7
SUBBASE
S2
T3
T4
T
1
TR21-A
T
M27483
1
C7189 C7189
C7189 C7189
M22935
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