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These home automation system thermostats look great and also do a great job of interfacing with your home automation system.  The TR-40 thermostat has a large LCD screen to display the current temperature, setpoint, system mode (Heat, Cool, Auto, Off), fan mode (On or Auto), and current time. The TR16 thermostat has a vertical orientation that displays the room temperature in the default view.

The TR43 and TR16 communicates with CommStar or Stargate on a RS-485 network.   The TXB16 communicates over the AC powerline using X-10 commands.  UPB and Z-Wave versions are also available .

Key Features and Specifications for TR-43 RS-485 Version

• Setpoints, system mode (i.e. heat, cool, auto, off), and fan operation is remotely controlled via commands sent over your RS-485 network.  CommStar and Stargate automation controllers fully supports the RS-485 version with its current firmware.
• Up to 2 optional remote temperature sensors (TR-RS1) can be connected to the wall display unit (WDU).
  • One remote sensor can be located outside of the home to display outside temperature on the WDU display.  Or, the display can show the outside temperature reported to it by Stargate or CommStar via the RS-485/RS-232 network.
  • Up to two remote sensors can be placed in different rooms of the home.   The TR-40 WDU will average the 2 remote sensor temperatures and display the average temperature on the TR-40 WDU, and use the averaged temperature to operate the HVAC system.  Optionally, you can choose to average the TR-40 WDU internal sensor with one remote sensor.  This feature is nice if you have diverse temperatures within a HVAC zone and would like the thermostat to use the average temperature of up to 2 locations within the HVAC zone.
  • Remote sensors connect to the TR-40 WDU via CAT5 wire.
  • Remote sensors can be calibrated separately via the TR-43 WDU (e.g. +/- X degrees)
  • Averaged temperature from the remote sensors are reported on the RS-485/RS-232 network.
• Outside temperature is displayed on the main menu screen if the outdoor temperature is reported to the TR-43 via a connected remote temperature sensor, or if the temperature is reported to it via the RS-485/RS-232 network (e.g. from Stargate or CommStar).

• Can receive and display ASCII text messages on the large LCD backlit screen.
  • Text messages can be 80 characters long
  • Up to 16 messages are stored in memory and can be recalled on demand
• Two independent setpoints are stored in the TR-43 - one used in the cooling mode and the other used in the heating mode.
• Heating and cooling schedules can be programmed and stored in the TR-43 permitting scheduled control without the use of an external controller (e.g. CommStar).   Schedules can be different each day of the week.
• Screen can be programmed to display minimal information (outside temperature, temperature, setpoint, mode) after a period of time, or can be set to always display all information.
• The following system variables are user programmable:
  • Minimum run time
  • Minimum off time
  • Maximum cooling setpoint
  • Minimum heating setpoint
• Thermostat reports changes to setpoints, temperature, mode, and fan status.
• Works with single or dual stage gas/electric systems and heat pumps.
• Auto changeover from heating to cooling.
• Internal clock that is displayed on the LCD screen (A Stargate controller can sync the clock with an Internet time server)
• Large full-time backlit display for easy screen viewing.
• Displays temperature in either Fahrenheit or Centigrade.
• Wall Display Unit Size: 4.0 x 5.7 x 1.1 inches

Key Features and Specifications for TXB16 X-10 Version

• Setpoint temperature, system mode (i.e. heat, cool, auto, off), and fan operation is remotely controlled via X-10 commands.
• Thermostat can be polled for status (temperature, setpoint, mode) by sending it X-10 preset dim commands.  The thermostat will respond by sending X-10 preset dim commands that are picked up by your home automation controller.
• AutoSend Mode reports changes to setpoint, temperature, and mode, by sending X-10 preset dim commands that are picked up by your home automation controller.  With this feature, polling is not required (feature can be turned off). 
• Safe Mode ensures that X-10 operation is what you intended.  The thermostat will not respond unless it receives two identical X-10 codes within a 2 second period (feature can be turned off).
• Works with single or dual stage gas/electric systems and heat pumps.
• Auto changeover from heating to cooling.

• Backlit display for easy nighttime viewing.
• Displays either Fahrenheit or Centigrade.
• Wall Display Unit Size: 5.5 x 3.5 x 1.0 inches

Zone Controllers and Duct Dampers

• Zone Controllers - 2, 4, and 6 Zone:
  • Zone controllers allow more than one thermostat to be used with one mechanical HVAC unit.  By defining HVAC Zones in the home, more accurate temperatures can be maintained because each zone contains a thermostat that senses the temperature and instructs the zone controller to open/close the appropriate motorized duct dampers to direct hot or cool airflow to the specific Zone.
  • Zone controllers are available in 2, 4, or 6 zone models.  When determining which model to purchase, consider the possibility for later expansion.  Not all of the zones need to be used and can be reserved for future expansion.
  • Wall Display Units (WDUs) are connected directly to the zone controllers.  The TS40WDU and TS16WDU (vertical orientation) can be used in any combination with the zone controllers.
  • The zone controllers allows the WDUs (TS40WDU and TS16WDU) to be connected directly to the zone controller without the need for separate thermostat controllers for each wall display unit.  This can be less expensive when setting up a larger number of zones.
  • A CommStar or Stargate automation controller will recognize each WDU connected to the zone controller as a separately controllable zone.
  • If used with a CADDX security system, the zone controller will communicate directly with the CADDX security system.  Each TR40 WDU connected to the zone controller can arm and disarm the CADDX security system, and will show whether the security system is ready to be armed (i.e. no zone faults).
  • Works with 24VAC 2 wire, normally open, two position, zone dampers or valves.
  • Outside temperature sensor input for optional outdoor temperature sensor (2-wire).
  • Separate vent damper 24VAC 3 wire, power open/power close output.
  • Works with standard gas/electric and heat pump systems.
  • 2 stage heat and 2 stage cool for standard HVAC systems.
  • 3 stage heat and 2 stage cool for heat pump systems.
  • Supports auto changeover between heat and cool modes.
  • RS485 port for communication with Stargate or other compatible home controller. 

• Motorized Duct Dampers:
  • For use with all zone controllers on this page.
  • Sized from 6 to 16 inches.  If you duct size is not listed, select the next biggest damper and use a size adapter on each end of the damper.
  • Normally open (NO) and normally closed (NC) versions available (use NO versions with zone controllers on this page.  If you are using a Stargate or other controller to operate the duct dampers, the NC models may be used where needed).
  • Extra rigid design with special deep beads for extra stiffness.
  • Long life nylon bearings.
  • Heavy duty motor and gears.
  • No internal spring to come loose.
  • 24 VAC operation.

Pricing

Note:  All products on this page are special order products.

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