RT-SVD03G-EN 61
Thermostats and Sensors
BAYSENS016A Sensor w/ plug (see: SENS-IN-12) Thermistor Sensor (OAS,
SAS, RAS, CTS)
Outdoor Air Sensor: Located in the condenser section, lower left corner. The compressor access
panel has a slotted opening to provide airflow across the sensor. Standard with all ReliaTel
controlled units.
Return Air Sensor: Field or factory installed accessory. Located on the return air damper of the
economizer, used with comparative enthalpy control only.
Coil Temperature Sensor: Located in a 3/8" copper tube well, which is brazed to the lowest circuit
entering the outdoor coil (2-10 ton heat pumps only).
Mixed Air Sensor: Field or factory installed in the supply fan section, protruding through the fan
housing.
Discharge Air Sensor: Field or factory installed in the supply fan section, using anaveraging tube
located downstream of the heat section.
BAYSENS017B/ASYSTAT669A (obsolete)
Accessory Zone Sensor Remote. Two conductors required.
Figure 31. Thermistor Sensor
Component Description
Thermistor Sensor (OAS, SAS, RAS, MAS, CTS)
Part Number
SEN-0339
Figure 32. BAYSENS017B/ ASYSTAT669A Layout
Component Description
BAYSENS017B
ASYSTAT669A
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