Figure 153. Discharge air temperature sensor (DTC)
REV. C
INSTALLATION INSTRUCTIONS FOR
DISCHARGE AIR TEMPERATURE SENSOR (DTC)
THE DISCHARGE AIR TEMPERATURE SENSOR IS REQUIRED FOR UNIT OPERATION.
DISCHARGE AIR SENSOR MUST BE INSTALLED AT LEAST 4 FT DOWN DUCT ON UNITS ON UNITS WITHOUT ELECTRIC HEAT,
AND INSTALLED AFTER A TRANSITION ON UNITS WITH ELECTRIC HEAT.
IT'S RECOMMENDED THAT THE DISCHARGE AIR SENSOR BE INSTALLED AFTER A TRANSITION ON UNITS WITH GAS HEAT
TO ALLOW MIXING OF THE STRATIFIED AIR WHEN HEAT CAPACITY IS BELOW 50%.
INSTALL THE SENSOR ON THE SIDE OF THE DUCT AND WIRE TO OAUTS-23 AND 24 ON THE FIELD WIRING TERMINAL STRIP
(NOT POLARITY SENSITIVE).
TYPICAL UNIT
NOTE: ROOF
NOT SHOWN
ROOF CURB
RETURN DUCT
SUPPLY DUCT
OAUTS FIELD WIRING TERMINAL STRIP
DISCHARGE AIR TEMPERATURE SENSOR
UPDATED 5/21/2020
KCC PART NUMBER: VELSEN-0021
SENSOR MODEL NUMBER: TE-DFG-B1244-00
LINES 58 ON UNIT WIRING DIAGRAM
DTC
OAUTS-23
OAUTS-24
t°
TT
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