Carrier 53DFS250-HW - Status Display Guide

53DFS250-HW
5
69-2565—05
Sensor wiring for temperature averaging
WiringfourTR21(20Kohm)Sensors. WiringtwoTR21(20Kohm)Sensorsand
oneTR21-A(10Kohm)Sensortoprovidea
temperatureaveragingnetwork
WiringtwoTR21-A(10Kohm)Sensorsto
provideatemperatureaveragingnetwork.
WiringfourC7189U(10Kohm)Sensorsto
provideatemperatureaveragingnetwork.
M27481
S1 S2
T T
SUBBASE
TR21
T T
TR21
T T
TR21
T T
TR21
M27482
S1
S2
SUBBASE
TR21-A
T4 T3
TR21-A
T4 T3
1
11
THE TR21-A IS A 10K OHM SENSOR.
M27483
T4
T3
TR21-A
1
1
THE TR21-A IS A 10K OHM SENSOR.
S1 S2
T
T
SUBBASE
TR21
TT
TR21
M27432
WIRES MUST HAVE A CABLE SEPARATE
FROM THE THERMOSTAT CABLE.
1
1
C7189
C7189
C7189 C7189
SUBBASE
S1
S2