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Serial RS-485 Thermostats

  Now with dual Setpoints (separate Heat and Cool) and Multi-Stage Outputs





Separate Heat and Cool Setpoints
Up to 3 Stage Heat, 2 Stage Cool
Remote control of all functions via RS-485 remote interfaces
Two part design
Backlit LCD Wall Display Unit
For standard gas/electric or heat pump HVAC systems
Replaces existing 4 or more wire thermostats without the need for additional wiring
Optional Remote Temperature Sensor


The TR16, or TR60,  connects to, monitors and controls an HVAC mechanical system via it's standard thermostat connections. The TR16, or TR60, consists of two components, the Wall Display Unit (WDU) and the Thermostat Control Unit (TCU).  Normal local control of the HVAC system is provided by the  WDU with its typical thermostat like user interface. The TCU provides all HVAC mechanical systems outputs as well as the  RS-485 remote systems interface.
The  WDU and TCU connect to each other,  via a 4-wire RCSLink (2 power, 2 data) using the existing thermostat wiring. The TCU connects to an automation system via cat-5 wiring.


HVAC Systems Compatibility

Works with standard Gas/Electric or Heat Pump HVAC mechanical Systems

2-stage Heating, 2-stage Cooling for Gas/Electric systems.

3-stage Heating, 2-stage Cooling for Heat Pump systems.

Fan selection for fan w/heat operation.

Heat Pump Changeover selectable for Heat or Cool operation.

Fuse protected relay outputs to the mechanical systems.

Serial Interface

RS-485, 9600 N81, half-duplex

Uses ASCII based freeform character strings

Ordering Info

Link to RCS Ordering Information

Serial Thermostat Users Manuals
TR16 Product Brief TR16 Product Brief
TR16-Manual RS-485 TR16 Thermostat Users Manual
TR16-Quickstart TR16 Quick Start Guide
TR60 Product Brief TR60 Product Brief
TR60-Users Manual RS-485 TR60 Thermostat Users Manual
TR60-Installation Manual  RS-485 TR60 Installation Manual
TR60-Quickstart TR60 Quick Start Guide
Remote Sensor Data Sheets
RS15 Remote Temperature Sensor, for TS16/TS40
Serial Protocol Specifications
Serial Protocol RCS Serial Thermostat Command Set
Non-Current Product Documentation
TR40 Product Brief TR40 Product Brief
TR40-Manual RS-485 TR40 Thermostat Users Manual
TR40-Manual Rev P  RS-485 TR40 Rev L-P 24VAC Thermostat Users Manual
TR40-Quickstart TR40 Quick Start Guide
TR15 Manual TR15 Manual
TR36 Manual TR36 Manual
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