RCS txb16, Installation And Operation Manual

Page 1: ...D 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...

Page 2: ...ports In addition to the universal Standard or Heat Pump systems support the TXB16 supports multistage heating cooling system outputs The control unit can support 2 stages of heating and cooling for S...

Page 3: ...back to show current temperature The right decimal point on the LCD display will turn on whenever manual fan is ON The left decimal point will flash whenever the setback mode is ON Remote changes in...

Page 4: ...isplay will alternate between current temperature and EH to remind you that the EH mode has been selected FAN The FAN button controls the HVAC system s manual fan mode Pushing the FAN button once will...

Page 5: ...onding to X10 house codes A to P Default set to 1 Setting the Fahrenheit or Celsius mode In the setup mode press the mode button to select FC mode Press the UP DOWN buttons to select F or C mode desir...

Page 6: ...ddress 4 This remote sensor is used for an outside temperature sensor C4 in the calibration setup Table of Remote Sensor Functions and Sensor Addresses Function Remote Addr 1 Remote Addr 2 Remote Addr...

Page 7: ...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 WD...

Page 8: ...Selectable Changeover with Heat or Cool Radiant 2 2 Hydronic 2 2 Pump output STANDARD GAS ELECTRIC HVAC SYSTEMS OPERATION The TXB16 has Standard HVAC system operating modes of Heating Cooling and Aut...

Page 9: ...check your HVAC system s requirements Note Dipswitch SW1 position 3 the CO selection is not required for standard systems Leave in the Off position SW1 3 OFF TXB16 Control Unit HVAC System Outputs fo...

Page 10: ...delay period 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 Syst...

Page 11: ...A to P The X10 address is set from the Wall Display Unit in the Setup mode X10 House Code Address Setting The TXB16 House Code address A to P is set from the Wall Display Unit by entering the setup mo...

Page 12: ...ways 1 For quick and easy setting the TXB16 to be compatibility with older TX15 software that used the B Decode Table set the control unit dipswitch SW1 position 4 ON In this position the decode table...

Page 13: ...a thermostat wiring 4 Wires TXB16 Control Unit Heating Cooling System TXB16 Wall Display Unit Thermostat Replace Thermostat with Wall Display Unit Insert Control Unit into the thermostat wiring 4 5 or...

Page 14: ...a two twisted pair cable 24 Ga minimum Cat 3 or 5 4 pair cabling is acceptable In retrofit applications the existing thermostat wiring a least 4 wires may be adequate However such non twisted wiring...

Page 15: ...1 00940 02 7 14 03 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 t...

Page 16: ...ed to refer to your HVAC system s documentation for specific information on its thermostat connections and setup requirements You must know the following 1 HVAC system type Gas Electric Heat Pump Radi...

Page 17: ...R 24VAC Return C 24VAC Common Red Green White Yellow RH W1 Heat 1 G Fan Y1 Comp 1 W2 Heat 2 HVAC SYSTEM THERMOSTAT CONNECTION TXB16 Control Unit Typical thermostat wiring color codes Y2 Comp Stage 2...

Page 18: ...HVAC System G Fan W1 Heat Stage 1 Y1 Comp Stage 1 R 24VAC Return C 24VAC Common Red Green White Yellow RH W1 Heat 1 G Fan Y1 Comp 1 O CO HVAC SYSTEM THERMOSTAT CONNECTION TXB16 Control Unit Typical th...

Page 19: ...problems or in doubt about the cable check the cable with the simple inspection shown below Power Connection The TXB16 Control Unit requires 12VDC 200ma max Connect the provide transformer to jack J4...

Page 20: ...n t make sure the Status LED is not flashing twice indicating minimum off delay wait until LED stops flashing twice before proceeding 11 Press the Mode button until the WDU is showing O for OFF The He...

Page 21: ...ded 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 y...

Page 22: ...e following terminals Function Test HVAC Terminals Result Fan R to G Fan should come on Heating R to W Heat cycle should start for heating Cooling R to Y and G Compressor and Fan should start for cool...

Page 23: ...ometimes referred to as reversing valve output to switch between heating and cooling Most Heat Pump systems are change over with cooling and SW1 3 should be set to CO COOL OFF position Check your HVAC...

Page 24: ...DCN 141 00940 02 7 14 03 24 Note The default SW1 switch setting is all OFF Standard System No Fan Heat CO Cool P decode table...