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UbiquiSTAT
Commercial BACnet Thermostat
Models:
US4010 -
Single-Stage RTU / Zoning Thermostat
US4020 -
Multi-Stage RTU Thermostat
US4040 -
Advanced RTU Thermostat
US4050 -
Advanced Application Thermostat
2800 Laura Lane Madison, WI 53562 | 800.836.9044 Fax: 608.836.9044 | www.tcsbasys.com
TM
Wed Feb 1, 2017 09:20AM
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PRODUCT MANUAL
The UbiquiSTAT ™ is a feature rich, multi-
purpose touchscreen thermostat for a
wide variety of applications. This series of
thermostats can be configured for a variety
of conventional, heat pump, and modulating
control applications.
BACnet® is a registered
trademark of ASHRAE.
v0717.2
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Summary of Contents for TCS UbiquiSTAT
- Page 1 PRODUCT MANUAL UbiquiSTAT The UbiquiSTAT ™ is a feature rich, multi- purpose touchscreen thermostat for a wide variety of applications. This series of Commercial BACnet Thermostat thermostats can be configured for a variety of conventional, heat pump, and modulating control applications.
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Page 2: Table Of Contents
Appendix B UbiquiSTAT™ Wall Mount Template ........ -
Page 3: Features
• Full-featured BACnet scheduling (SCHED-I-B) - Fan proving with automatic retries - 5 Heat/Cool setpoint groups • User management controls • Includes all TCS SZ Series thermostat features - Occupancy override enable/disable - Includes many additional features and - Setpoint adjust range limit... -
Page 4: Applications
APPLICATIONS Applications Common application set: • Built-in application programming with simple confi guration • Advanced fan control - Recirculation mode to meet minimum fresh air requirements • Demand response setback • Door status response setback Model specifi c application set: Feature / Model 4010 4020... -
Page 5: Product Description
Check that the tether is clear of the snap, and is completely inside the enclosure. To remove the UbiquiSTAT™ cover, insert a small plastic pry tool between the front cover and base on the bottom of the thermostat. Run the tool along the seam until the halves separate. -
Page 6: Wiring
Sensor wire should be kept at least five feet away from line voltage wiring. The UbiquiSTAT™ accepts 2-wire platinum RTD temperature sensors. TCS provides a wide assortment of temperature sensors. Please consult tcsbasys.com... - Page 7 WIRING DIAGRAM (US4050) US4050 Figure 1a 2800 Laura Lane Madison, WI 53562 | 800.288.9383 Fax: 608.836.9044 | www.tcsbasys.com...
- Page 8 WIRING DIAGRAM (US4040) US4040 Figure 1b GND terminal is used for self powered 4-20mA For communication wiring, use inputs and outputs. 3-conductor, twisted/shielded 22 AWG. 4-20mA transmitter, sensor input wiring 18 Control signals may be up to nominal 28 AWG, twisted, shielded pair. AI1 is shown as VAC from equipment transformer.
- Page 9 WIRING DIAGRAM (US4020) US4020 Figure 1c For communication wiring, use Dry contact. Must not be powered. 3-conductor, twisted/shielded 22 AWG. For sensor input wiring, use 2-conductor, Control signals may be up to nominal 28 twisted/shielded 18 AWG. VAC from equipment transformer. 24 VAC transformer.
- Page 10 WIRING DIAGRAM (US4010) US4010 Figure 1d For communication wiring, use For sensor input wiring, use 2-conductor, 3-conductor, twisted/shielded 22 AWG. twisted/shielded 18 AWG. Control signals may be up to nominal 28 GND terminal is used for self powered 4-20mA VAC from equipment transformer. inputs and outputs.
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Page 11: Initial Setup
INITIAL SETUP Initial Setup The UbiquiSTAT™ can be fully programed through the touchscreen. The quick start wizard assists in first time setup (see section 3.7), and the Settings screens can be used for additional setup. Expert setup can be done using the internal... -
Page 12: Digital Outputs (Do)
24V. Reversing Valve (B/O): When the UbiquiSTAT™ is in heat pump mode, the B/O terminal is used as a reversing valve output. It may be configured as open or closed for cooling (the default is closed) via the polarity property. If the UbiquiSTAT is configured as conventional, it may be used as an additional heating or cooling stage. -
Page 13: Analog Outputs (Ao)
ON SCREEN QUICK START WIZARD When fi rst powering on the UbiquiSTAT™ (or after a factory reset) a sequence of confi guration screens will appear that must be completed before the thermostat becomes operational. All thermostat control and communication are disabled until the quick start wizard is complete. -
Page 14: User Interface
USER INTERFACE User Interface HOME SCREEN The home screen provides at-a-glance system information and basic user controls. The navigation automatically returns to the home screen and the display dims after 10 minutes of inactivity (no touches detected). The basic components of the home screen are shown below in fi... -
Page 15: Status Screens
Touching and holding the Status button for 5 seconds brings up a dialog asking the user if they would like to force a device restart. If confirmed, the UbiquiSTAT™ immediately restarts. About: Touching this button navigates to the About screen. This screen shows product information, such as versioning and serial number. - Page 16 USER INTERFACE Information on the system status screen is broken into three groups: • System (top) - State: The current system state. This is the same as the system state shown on the home screen. - Schedule: The currently active setpoint pair. - Next Schedule: The next change in schedule as well as the time that it will occur.
- Page 17 USER INTERFACE Information on the advanced status screen is broken into four groups: • Inputs: - Type: The programmed thermostat type (conventional or heat pump). - System: The programed system mode. - Fan: The active fan mode. • Digital Inputs: The status of each Digital Input is shown with both an indicator light and text. Additionally, the programmed mode of the Digital Input is shown next to the status text.
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Page 18: Service Status
Service Status is defined as a state of the controller or HVAC equipment that requires action by the end user to resolve. When a service status is active, a red badge is visible on the top of the home screen to the right of the TCS logo. -
Page 19: Settings
At midnight each day the system automatically transitions to unoccupied, which uses the unoccupied heating and cooling setpoints. If no schedule changes are set for a particular day, the UbiquiSTAT™ will be unoccupied for that entire day. If a schedule requires an occupied setpoint at midnight a schedule change must be created for midnight (12:00 AM) in order to defeat the default behavior. - Page 20 USER INTERFACE 12:00 AM Monday (midnight): The automatic transition to Unoccupied has no effect because the system was already Unoccupied. 8:00 AM Monday: System changes to Occupied A schedule, which uses the A heating and cooling setpoints. 5:00 PM Monday: System changes to Unoccupied schedule which uses the Unoccupied heating and cooling setpoints.
- Page 21 Device Instance Number: This number must be unique across the entire BACnet network. The default value is a combination of the TCS BACnet vendor Id (496) and the previously entered network address. This is done in an attempt to create a unique value. However, clients are encouraged to create their own numbering system for all controllers on the BACnet network.
- Page 22 4.5.2.6 Internal BACnet Explorer This advanced configuration tool allows browsing and editing of most of the available settings in the UbiquiSTAT™, many of which are not available through the other user interface screens. Each explorer screen shows a single property of a BACnet object.
- Page 23 USER INTERFACE 4.5.2.7 Factory Defaults Selecting this menu item will cause the UbiquiSTAT™ to change all settings to their factory default values. The UbiquiSTAT™ will then restart and display the quick start wizard. For example, this feature may be used when re-purposing a thermostat.
- Page 24 4.5.3 Expert Settings By default, the UbiquiSTAT™ ships with two stages of heat and two stages of cool enabled (based on model feature availability). Each stage may be independently disabled in order to prevent it from being considered by the control logic.
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Page 25: Advanced Feature Summary
USER INTERFACE & ADVANCED FEATURE SUMMARY AIx Input Range (MSV-170 and AV-171): This sets the expected input range (sensor output) as either 0-20mA or • 4-20mA. AIx Scaled Min (AV-161 and AV-163): This defi nes the sensor value when the output is at the minimum of the range •... -
Page 26: Checkout And Troubleshooting
1. Verify wiring. Wiring should be secure with no loose strands, and screws are tightened. 2. Install the cover on the UbiquiSTAT™. Make sure the cover is lined up properly and gently press the cover until it snaps into place. Make sure that the tether does not get pinched in the case. - Page 27 CHECKOUT AND TROUBLESHOOTING animated, check the fan and system modes. If the fan is off but the fan symbol is animated, check wiring. Connect a jumper between the “R” and “G” terminals to see if the fan comes on. If the fan comes on, the relay in the thermostat may be faulty, or programming is incorrect.
- Page 28 CHECKOUT AND TROUBLESHOOTING 6.2.8 Analog Output Not Working Properly Check wiring. A separate transformer should be used for the actuators and motors, and a separate transformer should be used for the thermostat. Check to make sure that the analog output is programmed correctly. The Advanced Status Screen will show what the thermostat is trying to output.
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Page 29: Appendix A Bacnet Object List
APPENDIX A BACnet Object List The BACnet Object List provides a brief summary of each of the BACnet objects present in the UbiquiSTAT™. The table below defi nes each of the columns in the list. This number represents the order the object appears in the device object list and the internal BACnet Index explorer screen. -
Page 50: Appendix B Ubiquistat™ Wall Mount Template
APPENDIX B UbiquiSTAT Wall Mount Template ™ UbiquiSTAT™ Wall Mount Template View from front with top cover removed 2800 Laura Lane Madison, WI 53562 | 800.288.9383 Fax: 608.836.9044 | www.tcsbasys.com...
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