Residential Control Systems TXB16 Installation And Operation Manual Download Page 1

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Model TXB16

X10 Powerline Communicating Thermostat

INSTALLATION AND OPERATION MANUAL

Rev P Control Unit

DCN: 141-00940 Rev 09

11/02/07

Applies to the following product revisions or later:

Product

Part No

TXB16 Thermostat Kit

001-00940-17

TS16 Wall Display Unit

001-00910-13

HFRU HVAC Control Unit (Rev P)

001-01432-01

*** IMPORTANT NOTICE ***

DO NOT USE THIS PRODUCT FOR BUILDING FREEZE PROTECTION! YOU ARE ADVISED TO

INSTALL A MECHANICAL FREEZE PROTECTION DEVICE FOR THIS PURPOSE.

RCS

Residential Control Systems Inc.

Summary of Contents for TXB16

Page 1: ...llowing product revisions or later Product Part No TXB16 Thermostat Kit 001 00940 17 TS16 Wall Display Unit 001 00910 13 HFRU HVAC Control Unit Rev P 001 01432 01 IMPORTANT NOTICE DO NOT USE THIS PRODUCT FOR BUILDING FREEZE PROTECTION YOU ARE ADVISED TO INSTALL A MECHANICAL FREEZE PROTECTION DEVICE FOR THIS PURPOSE RCS Residential Control Systems Inc ...

Page 2: ...sal Standard or Heat Pump HVAC system type support the TXB16 supports multistage heating cooling system outputs The control unit can support 2 stages of heating and cooling for Standard systems or 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 X10 House code address the F or C temperature mode and e...

Page 3: ...ge 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 setpoint or modes that are received from the Control Unit will cause the LCD display to switch and display the updated data for 3 seconds and then return to current temperature Control Buttons The U...

Page 4: ...After the compressor repair is completed return the mode to heating or cooling as needed FAN The FAN button controls the HVAC system s manual fan mode Pushing the FAN button once will turn the fan ON and pushing it again will turn the fan to the AUTO mode which is OFF unless the fan is automatically turned ON by the heating or cooling operation The decimal point in the middle of the two digits on ...

Page 5: ...sor calibration address C1 to be calibrated C1 is the internal sensor and normally that is all that will be available to calibrate unless external remote sensors are attached These will show up as C1 C2 and C4 in the menu selection if present With the desired sensor address displayed press the UP DOWN buttons to change the sensor calibration to the desired temperature See calibration explanation b...

Page 6: ...ratures as the main thermostat display or report individual sensor temperatures on the communication port However you can check the individual sensor temperatures by going to the calibration setup menu and selecting the sensor address You can view the outside temperature by pressing both the UP DOWN buttons simultaneously WDU Error Displays CF Error Display If the WDU is not properly wired or if c...

Page 7: ...MS OPERATION The TXB16 has Standard HVAC system operating modes of Heating Cooling and Auto changeover In the HEAT mode the stage 1 heating will be turned on at one degree below the heating setpoint and will turn off at the setpoint In the COOL mode the stage 1 cooling will be turned on at one degree above the cooling setpoint and will turn off at the setpoint This is referred to as the setpoint D...

Page 8: ...DO NOT require fan calls along with the heat call due to automatic fan operation in the furnace For Gas systems dipswitch SW1 position 2 should be set to the STD FAN position SW1 2 OFF Electric and hydronic heating systems generally DO require that a fan call be generated along with the heat call For these systems dipswitch SW1 position 2 should be set to the FAN HEAT position SW1 2 ON Be sure to ...

Page 9: ...tion ON Fan Mode Selection Set the Fan selection SW1 2 to the STD FAN position OFF Change Over Selection Heat pump systems change from heating to cooling by reversing the direction of Freon flow in the system This change over is controlled by the CHANGEOVER CO output from the Control Unit sometimes this is referred to as the reversing valve Most heat pump systems are designed to work normally in t...

Page 10: ...eception or Transmission Indication When the TXB16 is first powered up the status LED will come ON steady indicating power and the unit is running OK When the X10 power line interface is connected and an X10 signal is detected the LED will start flashing slowly as the normal system heartbeat If the X10 signal is lost the LED will stop flashing and be ON steady If this occurs check the following 1 ...

Page 11: ...et the desired house code by the following table The unit comes with the X10 address set to 1 for House Code A To set the X10 House Code enter the Setup Mode on the WDU by pressing the Mode button and the Fan button simultaneously SU will be displayed on the WDU LCD display to indicate you are in the Setup Mode Press the Mode button again to select Ad for X10 Address setting Use the Up Down button...

Page 12: ...ting S4 to ON will force the B decode table to be active Use this for compatibility with older TX15 thermostats When S4 is ON no other decode table selection is allowed and will be overridden When set to OFF ALO AUO and preset dim commands are allowed 2 Use the Unit Code All Lights On ALO or All Units Off AUO commands ALO will set the unit code decode table to B and AUO will set the decode table t...

Page 13: ...8Ga thermostat wiring 4 Wires TXB16 Control Unit Heating Cooling System TS16 Wall Display Unit Thermostat Replace Thermostat with Wall Display Unit Insert Control Unit into the thermostat wiring 4 5 or 6 wires as original installation OLD NEW STOP Freeze Protection In cold climates that require the heating system to be used for building freeze protection a mechanical backup freeze protection devic...

Page 14: ...t applications the existing thermostat wiring a least 4 wires may be adequate However such non twisted wiring may be subject to interference due to noise from adjacent wiring or other sources Wiring to the Wall Display Unit Remote Sensor Wiring 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...

Page 15: ...ocumentation for specific information on its thermostat connections and setup requirements You must know the following 1 HVAC system type Gas Electric or Heat Pump 2 Fan requirement a No fan with Heat Gas heat b Fan with Heat Electric heat 3 For Heat Pump systems Changeover valve type a Change over with cool O thermostat connection b Changeover with heat B thermostat connection Note on retrofit wi...

Page 16: ...Fan W1 Heat Stage 1 Y1 Comp Stage 1 R 24VAC Return C 24VAC Common Red or RH for split systems Green White Yellow 24V RC W1 Heat 1 G Fan Y1 Comp 1 W2 Heat 2 HVAC SYSTEM THERMOSTAT CONNECTION TXB16 HVAC Control Unit Typical thermostat wiring color codes Y2 Comp Stage 2 24V RH IMPORTANT For typical central heating cooling systems leave jumper JP1 installed If you have separate Heating and Cooling sys...

Page 17: ...or Heat Pump Systems RC and RH are common for Heat Pumps Heat Pump HVAC System G Fan W1 Heat Strips Heat Stage 3 Y1 Comp Stage 1 R 24VAC Return C 24VAC Common Red Green White Yellow 24V RH W1 Heat 1 G Fan Y1 Comp 1 W2 O CO HVAC SYSTEM THERMOSTAT CONNECTION TXB16 Control Unit Typical thermostat wiring color codes Y2 Comp Stage 2 24V RC J4 Y2 Comp 2 O Changeover Valve Orange Black S2 Dipswitch SW1 S...

Page 18: ... category Separate Heating and Cooling systems These are essentially two systems with a common air handler or blower In this case there is a separate heating 24VAC transformer and a cooling 24VAC transformer This type of a system requires that the Control Unit be connected using a separate heating system power input R terminal RH and a separate cooling system power input R terminal RC When connect...

Page 19: ...be sure the cable is the correct type The Cable must be 4 wire NOT 2 and reversing If you are having X10 communication problems or in doubt about the cable check the cable with the simple inspection shown below RJ11 JACK X10 PLI X10 PLI MODULE 4 WIRE MODULAR CABLE Place the ends of the cable side by side and verify the color codes of the conductors are in reverse order as shown here B R G Y B R G ...

Page 20: ...eat LED and relay will turn OFF 12 Wait 6 minutes for the minimum off delay to expire The Status LED will stop flashing twice 13 Press the Mode button until the WDU is showing C for Cool Mode 14 Press the Setpoint Down button until the setpoint is below the current temperature 15 The Compressor and Fan LEDs and relays should turn on 16 Press the mode button until the WDU is showing O for OFF Mode ...

Page 21: ...s follows FAN operation Jumper across R and G terminals HEAT Stage 1 operation Jumper across R and Y Compressor and G Fan terminals HEAT Stage 2 operation Jumper across R and W Heat Strips and G Fan terminals COOL operation Jumper across R and Y Compressor and O Change Over and G Fan terminals If the Control Unit s output LEDs are ON and you suspect you are not getting an output from the relays pe...

Page 22: ... 1 R 24VAC Return for HP HVAC Systems O Changeover Valve HVAC System Transformer Most central HVAC systems have a common heating and cooling transformer This is the factory default setting for Jumper JP1 In some cases you may have separate heating and cooling systems each with their own transformer In that case cut Jumper JP1 and wire the heating transformer red wire to the RH terminal and the coo...

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