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User Guide
Trane Communicating Thermostats
for Heat Pump Control
BACnet MS/TP version X13511542010
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of
heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are
attached to the equipment.
August 2020
SAFETY WARNING
BAS-SVU10C-EN
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Table of Contents
Troubleshooting
Related Manuals for Trane X13511542010
Summary of Contents for Trane X13511542010
- Page 1 User Guide Trane Communicating Thermostats for Heat Pump Control BACnet MS/TP version X13511542010 SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
- Page 2 CFCs and HCFCs such as saturated or unsaturated HFCs and HCFCs. Important Responsible Refrigerant Practices Trane believes that responsible refrigerant practices are important to the environment, our customers, and the air conditioning industry. All technicians who handle refrigerants must be certified according to local rules.
- Page 3 Non-Trane personnel should always follow local regulations. Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
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Page 4: Table Of Contents
Table of Contents Product Overview ..........5 Features and Benefits . -
Page 5: Product Overview
Product Overview The Trane Communicating Heat Pump Thermostat is specifically designed for control of self- contained heating/cooling heat pump units. The product features an intuitive, menu-driven, back- lit LCD display, which walks users through the programming steps, making the process extremely simple. -
Page 6: Features Overview
Product Overview Figure 1. On/off mechanical control vs pi electronic control Features Overview The Trane Communicating Thermostat includes the following features: • Remote outdoor sensing capability for added flexibility – System mode lock out – Heat pump balance point settings •... -
Page 7: Heat Pump Model Specific Features
• Configurable SPST output relay on programmable models for lighting, exhaust fan or fresh air control Heat Pump Model Specific Features The Trane Communicating Thermostat includes the following features: • Selectable single or dual stage compressor stages • High balance point: Locks out auxiliary heating when outside air temperature is above this value •... -
Page 8: Installation
Installation This section explains preliminary installation tasks, location considerations, and the installation procedure. Before Installation Complete the following steps: 1. Remove the security screw on the bottom of Terminal Equipment Controller cover. 2. Open unit by pulling on the bottom side of Terminal Equipment Controller (see the below figure). - Page 9 Installation 5. Align the base and mark the location of the two mounting holes on the wall. Install proper side of base up. 6. Install anchors in the wall. 7. Insert screws in mounting holes on each side of the base (see the figure below). Figure 3.
- Page 10 Installation CAUTION Take adequate precautions during installation! If replacing an existing Communicating RTU Thermostat, label the wires before removal of the thermostat. Electronic controls are static sensitive devices. Discharge yourself properly before manipulating and installing the controller. A short circuit or wrong wiring may permanently damage the Terminal Equipment Controller or the equipment.
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Page 11: Screw Terminal Arrangement
Screw Terminal Arrangement The screw terminals are arranged as follows. Figure 5. Screw terminal diagram 5 Pole left top connector 3 Pole left top connector Y2 Y1 G RC C RH W1 7 Pole bottom connector AU D1 D2 RS OS MS Scom Observe the following wiring considerations and requirements:... -
Page 12: Detailed Wiring Diagram Models
Detailed Wiring Diagram Models Figure 6. Wiring diagram BAS-SVU10C-EN... -
Page 13: User Menu Flow Chart
User Menu Flow Chart The following flow diagram indicates the menu items in order of appearance. Figure 7. User menu flow chart BAS-SVU10C-EN... -
Page 14: Status Display Instructions
Three status LEDs on the thermostat cover are used to indicate the status of the fan, a call for heat, or a call for cooling. LED Operation Trane Heat Pump Models Fan LED on When G Fan terminal operates Heating LED on... - Page 15 Status Display Instructions Figure 8. Heat pump models BAS-SVU10C-EN...
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Page 16: User Programming Instructions Menu
User Programming Instructions Menu The Trane Communicating Thermostat features an intuitive, menu-driven, back-lit LCD display that walks users through the programming steps, making the programming process extremely simple. This menu is typically accessed by the user to set the parameters such as temperature and time events, system mode, fan mode, and so on. -
Page 17: The User Menu Sequence
The User Menu Sequence Override Temperature System mode Fan mode setting Resume setpoints setting Override Temperat Sys mode Fan mode schd Y/N set Y/N set Y/N set Y/N Appears only in unoccupied mode Cancel ovrd Y/N Appears only in override mode There is a default profile set in the thermostat from the factory. -
Page 18: Temporary Setpoint Changes
The User Menu Sequence Cooling setpoint Occupied Heating setpoint Occupied Cooling setpoint Unoccupied mode mode mode Cooling No next Heating No next Unocc CL No next set? Y/N Yes down set? Y/N Yes down set? Y/N Yes down Use ▲▼ keys to set value, Yes key to confirm Cooling Heating Unocc CL... - Page 19 The User Menu Sequence Fan mode This section of the menu is permits the setting of the fan mode operation. setting Use ▲▼ keys to set value, Yes key to confirm. Sys mode Y/N On fan mode Fan mode On Fan is on continuously, even when system mode is OFF.
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Page 20: Installer Configuration Parameter Menu
Installer Configuration Parameter Menu You can perform configuration through the network or locally at the thermostat. 1. Press and hold the middle button Menu for 8 seconds to enter configuration. 2. If a password lockout is active, “Password” is prompted. Enter the password value using the up and down arrows and press Yes to gain access to all configuration properties of the thermostat. - Page 21 Installer Configuration Parameter Menu Configuration Significance Adjustments parameters Default value 0 = No lock Keypad lockout levels lockout 1 = Low level Default value = 0 2 = High level No lock Permanent Temporary System Resume/Override Occupied and setpoints Fan mode Schedules Clock Permanent...
- Page 22 Installer Configuration Parameter Menu Configuration Significance Adjustments parameters Default value Minimum on/off operation time for stages Default value = 2 minutes Minimum On/Off operation time of cooling and heating stages. Anti-short cycling can be set to 0 minutes for Important: Anti-short cycling can be set to 0 minutes for equipment that posses their own anti Anticycle equipment that posses...
- Page 23 Installer Configuration Parameter Menu Configuration Significance Adjustments parameters Default value Outside air temperature sensor calibration Offset that can be added/subtracted to actual displayed outside air temperature cal OS Default value = 0.0°F or ± 5.0°F (± 2.5°C) °C Number of heating stages.
- Page 24 Installer Configuration Parameter Menu Configuration Significance Adjustments parameters Default value Sets the operation and interaction mode of the heat pump with the auxiliary heat. Comfort mode. In Heating mode. If the heat pump is not able to satisfy the heating setpoint, the auxiliary heat will be energized to satisfy the same heating setpoint.
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Page 25: Troubleshooting Guide (All Models)
Troubleshooting Guide (All Models) Symptom Possible Cause Corrective Action Check power supply voltage between C and RC to be from 19-30 Absent or incorrect supply voltage Check for tripped fuse or circuit breaker No display on the thermostat Verify that the transformer used is powerful enough (enough VA’s) to Overloaded power transformer supply all controlled devices... - Page 26 Troubleshooting Guide (All Models) Symptom Possible Cause Corrective Action Start the Fan by forcing the Fan ON Wrong mode selected mode The thermostat will not turn on the Put a jumper across terminals RC Wiring error and G. The fan should come ON. If it does not, verify wiring Digital display shows missing digits Defective display...
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Page 27: Troubleshooting Guide
Troubleshooting Guide Symptom Possible Cause Corrective Action Wrong mode selected Select emergency heat mode Select Occupied Hold in Schedule hold or Thermostat in Unoccupied mode Override to force the thermostat Occupied heating setpoint Wait, the anticycling period will end and Anticycle delay active the equipment will start Heating setpoint is satisfied... -
Page 28: Specifications
Specifications 19-30 Vac 50 or 60 Hz; 2 VA (RC and C) Class 2 RC to RH Thermostat power requirements: jumper 2.0 Amps 48 VA maximum 32°F to 122°F (0°C to 50°C) Operating conditions: 0% to 95% R.H. non-condensing -22°F to 122°F (-30°C to 50°C) Storage conditions: 0% to 95% R.H. -
Page 29: Drawings And Dimensions
Drawings and Dimensions Figure 9. Thermostat dimensions CAUTION Use proper safety measures to protect system! All Communicating RTU thermostats are for use as operating controls only and are not safety devices. These instruments have undergone rigorous tests and verifications prior to shipment to ensure proper and reliable operation in the field. - Page 32 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.