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RCS txb16 Installation And Operation Manual

X10 powerline communicating thermostat
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RCS
Residential Control Systems Inc.
INSTALLATION AND OPERATION MANUAL
Product
TXB16 Thermostat Kit
TS16 Wall Display Unit
HCFX HVAC Control Unit
Model TXB16
X10 Powerline

Communicating Thermostat

DCN: 141-00940
Rev 02
7/14/03
Applies to the following revisions or later:
*** IMPORTANT NOTICE ***
Part No
001-00940-03
001-00910-04
001-00860-03

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  • Page 1: Communicating Thermostat

    X10 Powerline Communicating Thermostat INSTALLATION AND OPERATION MANUAL DCN: 141-00940 Rev 02 7/14/03 Applies to the following revisions or later: Product Part No TXB16 Thermostat Kit 001-00940-03 TS16 Wall Display Unit 001-00910-04 HCFX HVAC Control Unit 001-00860-03 *** IMPORTANT NOTICE ***...
  • Page 2 3 stages of heating and 2 stages of cooling for Heat Pump systems. The TXB16 has a convenient setup mode from the Wall Display Unit. You can set the network address, F or C mode and easily calibrate the internal and remote sensors.

  • Page 3: Lcd Display

    TS16 Wall Display Unit The TS16 Wall Display Unit has a LCD display and control buttons for changing the setpoint, system operating mode and manual fan mode. The WDU also has an internal temperature sensor. The display serves as a common display for many functions. It normally shows the current room temperature but switches to show setpoint, mode or other functions when buttons are pushed.

  • Page 4: Outside Temperature Display

    Setpoint Display The displayed setpoint shows the setpoint of the current operating mode (heating or cooling) of the system. If you change modes, the setpoint displayed will change to the new operating mode setpoint. If you set the mode to AUTO mode, the setpoint displayed will be the current operating mode of the system, either heating or cooling.

  • Page 5: Setup Mode

    If you attached a remote temperature sensor to the WDU that is set to remote sensor address “4”, you can view the outside temperature by pressing the UP and DOWN buttons simultaneously. Setup Mode The TXB16 has a new setup mode to allow the user to set the following functions from the WDU: • X10 House Code Address •...

  • Page 6: Remote Sensors

    address 1 is attached it replaces the internal sensor and is becomes the “C1” sensor. See the remote sensor section for more details. When the desired sensor is selected in the setup menu, you can adjust its displayed temperature calibration up or down 7 degrees by pressing the UP/DOWN buttons.
  • Page 7 If the WDU detects that a sensor is not responding, it will display “SF”. In most cases this will clear itself when communications is restored to the sensor. A continuous “SF” display may indicate a problem with the wiring or the WDU itself. Check wiring and replace the WDU as needed. DCN: 141-00940-02 7/14/03...

  • Page 8: Hvac System Compatibility

    The TXB16 Control Unit connects to the HVAC system the same as, and in place of, a standard thermostat. It is usually mounted near the HVAC system, although it can be mounted anywhere convenient. It is connected to the WDU by a 4 wire cable, either standard thermostat wiring or typically Cat 3/5 in new construction.
  • Page 9 Y1, Y2, G HEAT PUMP HVAC SYSTEM OPERATION The TXB16 has Heat Pump operating modes of Heating, Cooling, Auto changeover and Emergency Heat. The Heat Pump HVAC system operation is the same as for Standard systems for normal first and second stage operations.
  • Page 10 If another call occurs before the delay period expires, the CO relay will already be on and this avoids continuously cycling the CO valve on/off for each call. TXB16 Control Unit HVAC System Outputs for Heat Pump Systems Operating Mode...
  • Page 11 X10 House Code Address Setting The TXB16 House Code address, A to P, is set from the Wall Display Unit by entering the setup mode. To enter the setup mode, press and hold the Mode button and simultaneously press the Fan button. This enters the setup mode and “Ad”...
  • Page 12 X10 House code and that must be shared with lighting and the thermostat. Setting the Default Unit Code Decode Table. The TXB16 is default set to the P decode table. You can set/change the decode table used by the TXB16 three ways.

  • Page 13: Installation Overview

    TXB16 Installation STOP Before proceeding with removing an existing thermostat and installing the TXB16, Read the following important steps. 1. Record existing wiring information on the enclosed wiring form. 2. Perform the TXB16 bench test 3. Check WDU wiring BEFORE applying power to control unit.
  • Page 14 TXB16 Wall Display Unit Installation WDU Location Choose a location that best represents the temperature of the area to be controlled. Avoid locations that are subject to drafts, from doors and windows, or areas with direct sunlight exposure. WDU Mounting Route the wires to the WDU through the access hole in the back of the case. Mount the WDU to the wall with the screws and anchors provided.
  • Page 15 The TS16 WDU has an addition connector, J2, on the WDU base for connection of an external remote temperature sensor. Follow the wiring diagram with the remote sensor to connect to the WDU. DCN: 141-00940-02 7/14/03...

  • Page 16: Control Unit To Wdu Wiring

    HVAC system but care should be taken to avoid the hot burner section or high vibration areas. Control unit wiring The TXB16 HVAC Control Unit is connected to the HVAC system and to the Wall Display Unit as well as the X10 communication interface and power connections.

  • Page 17: Hvac System Wiring

    Diagram 1 - Standard Gas or Electric System Wiring IMPORTANT! Cut jumper JP2 for systems with separate Cooling and Heating system transformers. Wire RC to Cooling system transformer and RH to heating system transformer. TXB16 Control Unit RC=RH Standard HVAC System HVAC SYSTEM STD/HP...
  • Page 18 HVAC System Wiring Diagram 2 - Heat Pump System Wiring IMPORTANT! Do not cut JP2 for Heat Pump Systems. RC and RH are common for Heat Pumps. TXB16 Control Unit RC=RH Heat Pump HVAC System HVAC SYSTEM THERMOSTAT CONNECTION STD/HP...

  • Page 19: Power Connection

    B R G Y Y G R B INCORRECT CABLE WIRING CORRECT CABLE WIRING DO NOT USE THIS CABLE Power Connection The TXB16 Control Unit requires 12VDC, 200ma max. Connect the provide transformer to jack J4. Center Ground 12VDC JACK 12VDC POWER...

  • Page 20: System Checkout

    5. Plug an X10 Controller in the outlet. 6. Set the House Code on the X10 controller to match the TXB16 Control Unit (use default address A) 7. Send Unit code ON and OFF commands from the X10 controller and verify that the WDU display shows the correct response to each command sent per the X10 Decode Table selected.
  • Page 21 It is recommended that you install the TXB16 and Control Unit and then rerun these quick tests BEFORE you connect the controller to the HVAC system. You will be confident that the TXB16 is working correctly before you attempt to interface to the HVAC system.

  • Page 22: Hvac System Testing

    (O) outputs. You must know what your system CO type is (CO with Cool (typical) or CO with Heat). You should have configured the TXB16 control unit for correct CO type, refer to this setting. Heat Pump systems have an additional O terminal.
  • Page 23 TXB16 Wiring Diagram NOTE: Jumper JP2 is factory installed for common transformer heating and cooling systems (RC=RH). When this jumper is installed, only one red wire connection (either RC or RH) is required from the HVAC system. Cut jumper JP2 for systems...
  • Page 24 Note: The default SW1 switch setting is all OFF. Standard System, No Fan/Heat, CO/Cool, P decode table DCN: 141-00940-02 7/14/03...

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