Residential Control Systems TR16 Installation And Operation Manual Download

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Model TR16

Communicating Thermostat

Rev D Control Unit

INSTALLATION AND OPERATION MANUAL

DCN: 141-00930

Rev 07

9/06/04

Product

Part No

TR16-485 Thermostat

001-00930-17

TS16 Wall Display Unit

001-00910-07

HCUR-485 HVAC Control Unit

001-00369-08

*** 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 TR16

Page 1: ...04 Product Part No TR16 485 Thermostat 001 00930 17 TS16 Wall Display Unit 001 00910 07 HCUR 485 HVAC Control Unit 001 00369 08 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: ...setpoint protocols by continuing to support the current SP command for both commands and status reports In addition to the universal Standard or Heat Pump HVAC systems support the TR16 has multistage heating cooling system outputs The control unit can support 2 stages of heating and cooling for Standard systems It supports 3 stages of heating and 2 stages of cooling for Heat Pump systems The TR16 ...

Page 3: ...lay will change to show that function s current status The LCD display will stay in the new display mode as long as buttons are being pushed After 3 seconds of no activity the display will change 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 setpo...

Page 4: ...ew 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 This will change if the operating mode changes automatically MODE The MODE button sets the HVAC system Heating or Cooling mode TO VIEW THE CURRENT MODE Push the MODE button once and the LCD display will change to show the current mode TO CHAN...

Page 5: ... the UP or DOWN button once With the current address displayed you can either change the setting or exit by pressing the mode button or wait for the screen to time out If you want to change the address while the current address is being displayed use the UP Down buttons to select the serial address desired 1 to 99 default set to 1 Setting the Fahrenheit or Celsius mode In the setup mode press the ...

Page 6: ...a remote sensor is attached the WDU will detect it automatically and will use the remote sensor s according to its address selection Modes of operation are as follows Address 1 Use this remote sensor instead of the internal sensor becomes C1 in the calibration setup Address 2 Average remote sensor 2 with internal sensor or sensor address 1 if attached C2 Address 3 Not used on TS16 wall display uni...

Page 7: ...ear automatically when data communication is restored If the CF continues to be displayed check wiring for problems A continuous CF display may indicate a problem with the Control Unit or the WDU itself An SF display indicates a temperature sensor failure If this is displayed continuously the sensor is failing to respond and must be replaced This can also be displayed when attempting to view the o...

Page 8: ...typical HVAC system operating modes of Heating Cooling and Auto changeover In additional to the multiple stages the TR16 has adjustable temperature difference delta between stages and an adjustable deadband between heating cooling setpoints These control unit variables can be changed via network commands The examples below are based on the default settings In the HEAT mode the stage 1 heating will...

Page 9: ...the heat call For these systems dipswitch SW1 position 2 should be set to the ON position SW1 2 ON Be sure to check your HVAC system s requirements TR16 Control Unit HVAC System Outputs for Standard Systems Operating Mode Outputs no Fan with Heat Outputs Fan with Heat Manual Fan G G Cooling Stage 1 G Y1 G Y1 Cooling Stage 2 G Y1 Y2 G Y1 Y2 Heating Stage 1 W1 G W1 Heating Stage 2 W1 W2 G W1 W2 HEAT...

Page 10: ...DCN 141 00930 07 09 06 04 10 Minimum Run Time MRT Heat Pump systems have the same MRT delays as Standard systems Minimum Off Time MOT Heat Pump systems have the same MOT delays as Standard systems ...

Page 11: ...ccurs before the delay period expires the CO relay will already be on and this avoids continuous on off cycling the CO valve for each call After the MOT period expires and another call is not active the CO output will go OFF TR16 Control Unit HVAC System Outputs for Heat Pump Systems Operating Mode Changeover with Cool Changeover with Heat Manual Fan G G Cooling Stage 1 G O Y1 G Y1 Cooling Stage 2...

Page 12: ...hold the Mode button and simultaneously press the Fan button This enters the setup mode and Ad will be displayed Set the desired address by pressing the UP DOWN buttons until the desired address from 1 to 99 is selected The default address is 1 Serial Protocol The TR16 thermostat has a robust serial protocol It is based on a simple ASCII message format as described in the RCS Serial Communications...

Page 13: ...hat require the heating system to be used for building freeze protection a mechanical backup freeze protection device MUST be installed on the heating system This can be a simple mechanical heating thermostat or a preset thermoswitch installed in the heated area Heating System Red Wire 24VAC R White Wire Heat W 40 45 R W Thermostat connections Wire across Heater R W terminals Mechanical Thermostat...

Page 14: ...be 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 may be subject to interference due to noise from adjacent wiring or other sources Wiring to the Wall Display Unit Remote Sensor Wiring G 12 C D 1 POWER GND 2 POWER 3 COM CLOCK 4 COM DATA WIRING ACCE...

Page 15: ...1 00930 07 09 06 04 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 ...

Page 16: ...ing Electrically the Control Unit looks like a standard thermostat to your HVAC system All connections to the HVAC system are made at the normal thermostat connections on the HVAC unit You are advised 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 or Heat Pump 2 F...

Page 17: ...DCN 141 00930 07 09 06 04 17 Refer to the following HVAC wiring diagrams for your type of HVAC system Standard Or Heat Pump ...

Page 18: ...l Unit Typical thermostat wiring color codes W2 Heat Stage 2 RC IMPORTANT For typical central heating cooling systems leave jumper installed If you have separate Heating and Cooling system transformers REMOVE JUMPER Wire RC to the Cooling system transformer and RH to the Heating system transformer J5 O W2 Y2 Cool Stage 2 Orange Black Standard System Dipswitch SW1 Setup 1 SW1 1 position 1 Set to Of...

Page 19: ...1 Comp Stage 1 R 24VAC Return C 24VAC Common Red Green White Yellow RC W1 Heat 1 G Fan Y1 Comp 1 Y2 Comp 2 HVAC SYSTEM Thermostat Connection TR16 Control Unit Typical thermostat wiring color codes Y2 Comp Stage 2 RH J5 O CO O Changeover Valve Orange Black Heat Pump System Dipswitch SW1 Setup 1 SW1 1 position 1 Set to On to the right Heat Pump 2 SW1 2 position 2 Not used For Standard systems only 3...

Page 20: ...he Communications Network You can provide power to the TR16 Control Unit via the RS485 Network Connect 12VDC to the RS485 Network terminals RS485 Network Connection Optional 12VDC Power connection J3 RS485 TR16 Control Unit V G R T J3 Optional power from the network RS485 Port 12V GND D D RS485 Source Input RS232 Source Input 12VDC For Hubs select the correct converter based on the input source Co...

Page 21: ...DCN 141 00930 07 09 06 04 21 Caution Use only ONE power option Do not connect the communications network power connections to a powered hub if you are also using the power transformer 12V GND R T ...

Page 22: ...ng 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 Heat 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 cu...

Page 23: ...DCN 141 00930 07 09 06 04 23 ...

Page 24: ...esult 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 cooling Heat Pump System Quick Test Similarly you can test Heat Pump operation by shorting across the following terminals Heat pump operation is determined by compressor calls in conjunction with changeover O outputs You must know what your system CO type ...

Page 25: ...p systems Select correct system type Set SW1 1 to OFF STD for Gas Electric types Default setting Set SW1 1 to ON HP for Heat Pump systems Note This switch setting also changes the output of the O terminal on the HVAC SYSTEM terminal Block When set to the STD position the O output becomes the W2 or 2nd stage heat output When set to the HP position the O output is the O or changeover valve output SW...

Page 26: ...data R 5 Request Status Message 5 Returns only Mode data R 6 Request Status Message 6 Returns Model Version number of WDU and Control Unit R 9 Request Status Message 9 Returns state of setup dipswitch settings Network Variables for SVx command Example A 1 SVx will return current value of variable Variable Number Name Variable Data Default value Notes 1 System Type 0 1 0 0 Gas Electric 1 Heat Pump ...

Page 27: ...DCN 141 00930 07 09 06 04 27 ...

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