This is a specific request for a based on the Trane BAYSENS019C manual. Since I cannot browse the live internet to fetch the current manual PDF or user reviews, I have structured this review based on known technical specifications for this model (a standard Trane wireless room sensor), common installer feedback, and what a typical manual reveals.
But the manual offered a temporary solution in the 'Field Calibration' section. It allowed him to apply an offset of -40 degrees to the reading until the replacement part arrived in the morning.
When the user temporarily changes set points, the display shows "OVERRIDE" and the OCCUPIED icon blinks. Pressing cancels the override and returns to the programmed schedule.
require batteries? No, it is powered by the 30VDC supply from the ReliaTel module. trane baysens019c manual
adjustment in the settings menu, though older BAYSENS models may require checking for air drafts behind the wall plate.
Trane BAYSENS019C is a programmable zone sensor designed primarily for commercial HVAC systems, such as Precedent™ Voyager™ Odyssey™
Upon receiving the kit, inspect for visible shipping damage. Check contents: sensor module, mounting hardware package, and the installation and operation manual. Record any concealed damage with the carrier within 15 days and do not remove damaged material from the receiving location. This is a specific request for a based
The manual specifies . It does not promise 5+ years like some competitors (e.g., Honeywell). Instead, Trane is conservative, suggesting 1-2 years depending on transmit frequency. This is honest engineering. The manual provides a clear low-battery indicator sequence on the thermostat/controller, so you aren’t left guessing.
| Option | Function | Values (Default Description) | |--------|----------|-------------------------------| | | Morning Warm-up | 0 = Disabled; 1 = Enabled (heat turns on if zone temp is 2°F below heat set point when switching to occupied) | | 2 | Economizer Minimum Position Override | 0 = Disabled; 1 = Enabled (overrides min damper position during unoccupied period) | | 3 | Temperature Scale | 0 = Fahrenheit; 1 = Centigrade | | 4 | Supply Air Tempering | 0 = Disabled; 1 = Enabled | | 5 | Time Clock Format | 0 = 12 hour (AM/PM); 1 = 24 hour (military) | | 6 | Smart Fan | 0 = Disabled; 1 = Enabled (fan runs AUTO during unoccupied periods regardless of FAN setting) | | 7 | Intelligent Temperature Recovery | 0 = Disabled; 1 = Enabled (offsets set point and starts system early to reach occupied temp) | | 8 | Programmable Days/Week | 0 = 7 days; 1 = 3 days (M–F, S, S); 2 = 2 days (M–F, S–S); 3 = 1 day (Sun–Sat) | | 9 | Programmable Periods/Day | 2, 3, or 4 periods (Day/Nite, Morn/Day/Nite, or Morn/Day/Eve/Nite) | | 10 | Programmable Fan Operation | 0 = Disallowed; 1 = Allowed | | 11 | Remote Sensor Installed | 0 = No; 1 = Yes | | 12 | Check Filter Interval | 0 = Disabled; 3000 to 50,000 hours (50 hour increments) | | 13 | Display Zone Temperature | 0 = No; 1 = Yes | | 14 | Keypad Lockout | 0 = Disabled; 1 = Enabled | | 15 | Default Temporary Override Time | 1–5 hours | | 16 | Buzzer Options | 0 = Key press only; 1 = Key press + Check Filter; 2 = Key press, Check Filter + System Failure | | 17 | Zone Temperature Calibration | Adjusts displayed temperature | | 18 | Baud Rate | 0 = 1024 baud; 1 = 1200 baud (sensor is shipped with 1200 baud; older units built before 1/96 may require 1024 baud) | | 19 | CV or HP Operation | 0 = Constant Volume; 1 = Heat Pump | | 20 | Default Cooling Set Point | 45–98°F | | 21 | Default Heating Set Point | 43–96°F | | 22 | Minimum Cooling Set Point | 45–98°F | | 23 | Maximum Heating Set Point | 43–96°F |
Trane Zone Sensor Troubleshooting & Error Codes - Expert Q&A It allowed him to apply an offset of
is a communicating sensor, meaning it does not just act as a standard thermostat; it talks directly to the ReliaTel HVAC unit controller. It features a digital display showing time, temperature, and system status.
ReliaTelTM Controls Protection/Operation Timings and Features. ReliaTelTM Micro Control Operation with a Thermostat. Single Phase, Zone Sensors and Thermostats - Trane
The manual clearly outlines a straightforward mounting process. You install a small receiver inside the RTU (Rooftop Unit) control panel and mount the sensor unit on a wall inside the space. The catch: The manual strongly emphasizes a through one wood or drywall wall. It warns that metal ducts, concrete, or multiple walls will kill the signal. If you follow the manual’s placement guide, it works flawlessly.
Check the 24 VAC supply from the HVAC unit; check for blown fuses on the control board. System is in a delay or protective mode.