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RCS
Installation and Operation Manual
Applies to these TR40 Revisions or later
Model
TR40-232
TR40-485
TS40 WDU
HFR-232 CU
HFR-485 CU
DO NOT USE THIS PRODUCT FOR BUILDING FREEZE PROTECTION! YOU ARE ADVISED TO INSTALL
A MECHANICAL FREEZE PROTECTION DEVICE ON YOUR SYSTEM FOR THIS PURPOSE.
Model TR40
Thermostat
with Serial RS232/485 Communications
PN: 141-01070
Revision 03
Date: 5/22/03
Part Number
001-01070-07
001-01080-07
001-01060-07
001-00810-07
001-00820-07
*** IMPORTANT NOTICE ***
Firmware Version
3.05.5
3.04.3
3.04.3
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Table of Contents
Related Manuals for RCS TR40
Summary of Contents for RCS TR40
- Page 1 Model TR40 Thermostat with Serial RS232/485 Communications Installation and Operation Manual PN: 141-01070 Revision 03 Date: 5/22/03 Applies to these TR40 Revisions or later Model Part Number Firmware Version TR40-232 001-01070-07 TR40-485 001-01080-07 TS40 WDU 001-01060-07 3.05.5 HFR-232 CU 001-00810-07 3.04.3...
- Page 2 Residential Control Systems Inc. DCN: 141-01070-03 TR40 Thermostat Manual...
- Page 3 The thermostat consists of two parts, a Wall Display Unit (WDU) and a HVAC Control Unit. The Wall Display Unit looks like a traditional thermostat and is the wall mounted user interface for the TR40. It provides display, control pushbuttons, and the temperature sensor. The WDU connects to the Control Unit by a 4 wire cable.
- Page 4 The TR40’s LCD features a backlit display for low light and night visibility. It can be set to remain on constant or to turn out after a 20-45 second delay . DCN: 141-01070-03 TR40 Thermostat Manual...
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Page 5: Operation
One of the unique features of the TS40 WDU graphical display is the ability to have multiple display screens. In addition to a main thermostat screen, menus and other control screens for special functions are provided. This makes an intuitive and easy to use “user interface”. It allows the many functions of the TR40 to be easily navigated. -
Page 6: Main Thermostat Screen
The outside temperature is displayed in the top center of the main screen, if outside temperature information has been sent to the thermostat or a remote temperature sensor is connected to the WDU. Main Thermostat Screen Buttons UP and DOWN Buttons The UP and DOWN buttons control the setpoint temperature. DCN: 141-01070-03 TR40 Thermostat Manual... - Page 7 Note that you cannot lower the cooling setpoint below the heating setpoint. The thermostat will “push” the heating setpoint lower if try to lower the cooling below the heating setpoint. It maintains a 3 degree separation between the heating and cooling setpoint. The same is true for DCN: 141-01070-03 TR40 Thermostat Manual...
- Page 8 LED OFF or On, “Econ” displayed > Economy or 1 stage heating or cooling only LED On, “2 Stg” displayed > Stage 2 heating or cooling is active LED On, “3 Stg” displayed > Stage 3 heating is active DCN: 141-01070-03 TR40 Thermostat Manual...
- Page 9 . Momentary display of “Communications Failure” caused by loss of data, will clear automatically when data communication is restored. If the “Communications Failure” display stays on, check wiring or control unit for problems. DCN: 141-01070-03 TR40 Thermostat Manual...
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Page 10: Main Menu Screen
Main Menu Screen The TR40 Thermostat has a menu tree that can be accessed by pressing the “Menu” button on the Main Thermostat screen. Various configurations of the TR40 can have different screen contents. The first screen that will come up is the Main Menu screen that list the other menus or functions that can be accessed. -
Page 11: Message Screen
Main Menu > Messages The TR40 Message Screen allows you to retrieve text messages sent from the serial network to the thermostat. The message screen features navigation buttons to read new and old messages and delete them. Up to 16 messages can be stored in the thermostat, if more than 16 messages are received, the oldest is erased to make room for the newest message. -
Page 12: Schedules Screen
4 x 7 schedule. Four times a day can be selected for Heating and Cooling setpoints. Each day of the week can have a different schedule. Groups of days can be copied with the same schedule. When the TR40 is set to “Run”... - Page 13 Scroll Back Scroll Forward Select the next Day schedule Next Copy OR if the copy “c” is selected, go to copy schedule screen. Increase the time or temperature selected Decrease the time or temperature selected DCN: 141-01070-03 TR40 Thermostat Manual...
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Page 14: Copy Schedule Screen
Back Return to Schedule Screen Move back with selection bar Move forward with selection bar Copy Copy the schedule to the selected days Copy schedule to this day Do not copy schedule to this day DCN: 141-01070-03 TR40 Thermostat Manual... -
Page 15: Menu Options
0 (always on), or 20 to45 seconds before going off. Use +/- buttons to set time desired. Default set to 30 seconds. User Settings Set Clock Screen Timeout F/C Mode Sensor Calibration Done Select Done Return to Main Menu Increment value Decrement value Select Select the function to be set DCN: 141-01070-03 TR40 Thermostat Manual... -
Page 16: Set Clock Screen
Pressing the MENU button will take you directly to this screen to set the clock. Set Clock Screen Set Clock Time 12:00 PM Date 7/13/03 Set Clock Screen navigation buttons: Not Used Move back with selection box Move forward with selection box Set the time Increment Time/Day Decrement Time/Day DCN: 141-01070-03 TR40 Thermostat Manual... - Page 17 DCN: 141-01070-03 TR40 Thermostat Manual...
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Page 18: Sensor Calibration Screen
Main Menu > User Settings > Sensor Calibration The Sensor Calibration screen allows you to change the temperature calibration for the internal and any external remote temperature sensors attached to the TR40 WDU. You can change the temperature calibration by +/- 7 degrees. - Page 19 DCN: 141-01070-03 TR40 Thermostat Manual...
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Page 20: Thermostat Info Screen
Thermostat Info Screen Thermostat Info TS40R Ver: 03.05.5 Controller Ver: 03.04.3 System Type: Standard Fan Type: No Fan w/HT Network Address: Done Thermostat Info Screen navigation buttons: Return to Main Menu screen. Done DCN: 141-01070-03 TR40 Thermostat Manual... - Page 21 CAUTION! Do not change these settings unless you are sure of the effect these changes will make. Changing the network address will make the thermostat not respond if the address is incorrect. DCN: 141-01070-03 TR40 Thermostat Manual...
- Page 22 DCN: 141-01070-03 TR40 Thermostat Manual...
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Page 23: Installer Settings Screen
Thermostat Setup screen navigation buttons: Return to Main Menu screen Done Increase setting by 1 or change from Y to N Decrease setting by 1 or change from Y to N Scroll Up Scroll Down DCN: 141-01070-03 TR40 Thermostat Manual... -
Page 24: Installation
OPENING AND CLOSING THE WDU CASE Remote Sensor Connection Model TR40 has an remote sensor 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 25 REMOTE OPERATION The TR40 has a serial communications interface that allows remote commands generated by other systems to be received by the TR36. These remote commands can change the setpoint, temperature and mode of the system or may request current status of temperature, setpoint and mode.
- Page 26 DCN: 141-01070-03 TR40 Thermostat Manual...
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Page 27: Control Unit Installation
TS40 WALL DISPLAY UNIT CONTROL UNIT GND G +12V +12VDC +V CLOCK C DATA DATA TWISTED PAIR WIRE RECOMMENDED 22GA CAUTION! Be careful to not miswire the Wall Display Unit to Control Unit connections as damage may result. DCN: 141-01070-03 TR40 Thermostat Manual... - Page 28 HVAC systems are made at the normal thermostat connection on the HVAC unit. Refer to the following HVAC wiring information for the type of HVAC system, Standard or Heat Pump, that the TR40 is being connected to. Refer to your HVAC system’s documentation for specific information on its thermostat connections.
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Page 29: System Checkout
SYSTEM CHECKOUT It is strongly recommended that you hook-up and run a simple bench test before installing this controller. Not only will this save you time in system checkout but will also familiarize you with the TR40 operation. QUICK TEST NOTE: Before power up, set the control unit dipswitch, SW1, to ALL OFF. -
Page 30: Hvac System Quick Test
HVAC SYSTEM QUICK TEST The TR40 Control Unit connects to the HVAC system at the normal thermostat connections on the HVAC unit. Standard thermostat control of HVAC systems consist of contact closures in the thermostat. You can verify that your HVAC system is working correctly by duplicating these contact closures by shorting across the proper terminals on the HVAC system. -
Page 31: Wiring Diagram
STD/HP FAN/HEAT C - 24VAC Common CO C/H R - 24VAC Return W1 H1 WHITE W1 – Stage 1 Heat TR40 WALL DISPLAY UNIT OFF-ON G FAN GREEN G - Fan Y1 C1 YELLOW Y1- Stage 1 Comp GND G...
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