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Summary of Contents for Victron energy Orion-Tr Smart DC-DC
- Page 1 ENGLISH Orion-Tr Smart DC-DC Charger Isolated Rev 11 - 04/2025 This manual is also available in HTML5.
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Page 2: Table Of Contents
Orion-Tr Smart DC-DC Charger Isolated Table of Contents 1. Safety precautions ........................1 2. Introduction ........................... 2 3. Features ..........................3 4. Installation ..........................4 4.1. Mounting ........................4 4.2. Cable and fuse recommendations ..................4 4.3. Polarity check before connecting the battery ................6 4.4. -
Page 3: Safety Precautions
• For very hot environments, consider mechanical air extraction. • The Orion-Tr Smart DC-DC Charger is potted inside. Because of this, there is a noticeable smell when running at maximum power (or close to it) and getting warm/hot. This smell is not harmful to health. -
Page 4: Introduction
(within the specified range). The Orion-Tr Smart DC-DC Charger can be set up to only provide power when the engine is running. This is possible thanks to the built-in engine shutdown detection. This also prevents the onboard voltage of the vehicle from becoming too low. It is not necessary to intervene in the vehicle system, to install a separate motor run sensor or to intervene in the CAN-bus system. -
Page 5: Features
See section 5 of this manual for more details. Separation of the starter battery and the service battery The Orion-Tr Smart DC-DC Charger separates the starter and service batteries when the engine is not running. Extensive electronic protection Over-temperature protection and power derating when temperature is high. -
Page 6: Installation
Orion-Tr Smart DC-DC Charger Isolated 4. Installation 4.1. Mounting • Mount vertically on a non-flammable surface, with the power terminals facing downwards. • Observe a minimum clearance of 10 cm under and above the product for optimal cooling. • Mount close to the battery, but never directly above the battery to prevent damage due to gassing of the battery. - Page 7 Orion-Tr Smart DC-DC Charger Isolated The use of ferrules is not required for cables from the above table. If an even thinner cable is used, a ferrule can help to bundle the loose wires. However, it is up to the installer to make sure that the cable is properly secured. With or without a ferrule, the connecting cable must be adequately clamped to ensure low contact resistance.
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Page 8: Polarity Check Before Connecting The Battery
Orion-Tr Smart DC-DC Charger Isolated 4.3. Polarity check before connecting the battery The Orion Smart DC-DC Charger is not protected against reverse battery polarity; any damage caused by this is not covered under warranty. A device damaged by reverse polarity cannot be repaired. -
Page 9: Connection Setup For Dc-Dc Power Supply Mode
Orion-Tr Smart DC-DC Charger Isolated 4.5. Connection setup for DC-DC power supply mode Disconnect the remote on/off; remove the wire bridge or unplug the terminal block. Connect the input supply cables. Open the VictronConnect App to set up the product, see... -
Page 10: Remote On/Off Wiring
Orion-Tr Smart DC-DC Charger Isolated 4.7. Remote on/off wiring The recommended use of the remote on/off is: a) A switch wired between the L-H pins (On-level impedance between L-H pins: < 500kΩ) b) A switch wired between (input/starter) battery plus and H-pin (on level: > 3V) c) A switch between the L-pin and (input/starter) ground (on level: <... -
Page 11: Engine Shutdown Detection Override
Orion-Tr Smart DC-DC Charger Isolated 4.8. Engine shutdown detection override In charger mode the “engine shutdown detection sequence” determines if conditions are met to enable charging, see Engine shutdown detection [11]. The “engine shutdown detection override” forces the charger to allow charging independently of the engine shutdown detection. - Page 12 Orion-Tr Smart DC-DC Charger Isolated Figure 5: Disable engine shutdown detection When the engine shutdown detection has been switched off in Victron Connect (‘forced charging’), current will be drawn from the starter battery even if the engine is not running.
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Page 13: Engine Shutdown Detection
Orion-Tr Smart DC-DC Charger Isolated 5. Engine shutdown detection The engine shutdown detection mechanism simplifies your ORION-Tr DC-DC Charger system by detecting if the engine is running without wiring additional switches or sensors. The factory default setting will work with most regular and smart alternators but can be re-configured with the VictronConnect App. -
Page 14: Engine Shutdown Detection Setup With Victronconnect
Orion-Tr Smart DC-DC Charger Isolated 5.2. Engine shutdown detection setup with VictronConnect Open VictronConnect and press the cog symbol to enter the settings. Figure 9: Engine shutdown detection setup menu The following settings can be changed with VictronConnect: The default values displayed are for 12V input models. These values are scaled based on the model's input voltage. - Page 15 Orion-Tr Smart DC-DC Charger Isolated • Minimum alternator voltage: A smart alternator can operate at very low alternator voltage (<12.5V), e.g. when the vehicle accelerates. This low voltage is allowed during tshutdown as shown in “engine shutdown detection sequence 3→4”. If charging must remain enabled during this period, the lock-out level must at least be set below the minimum alternator voltage.
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Page 16: Led Indicators
Orion-Tr Smart DC-DC Charger Isolated 6. LED Indicators The Orion features two LEDs, the blue LED is dedicated to Bluetooth functionality, and the green LED indicates the product status as per the list below. Green Status LED • LED off: •... -
Page 17: Troubleshooting
Orion-Tr Smart DC-DC Charger Isolated 7. Troubleshooting Consult this chapter in case of unexpected behaviour or if you suspect a product fault. The correct troubleshooting and support process is to first consult the common issues as described in this chapter. - Page 18 Orion-Tr Smart DC-DC Charger Isolated Battery Operational state Action to take voltage Correct Off because the Restore the remote link: voltage remote link is not The minimum requirement for the remote on/off terminal is a wire loop connected between the L- and H-pins.
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Page 19: The Battery Does Not Charge
Orion-Tr Smart DC-DC Charger Isolated 7.2. The battery does not charge There are a number of reasons why the Orion Smart might not charge the batteries. The following steps are intended to help with troubleshooting and corrective measures. Reasons why the battery does not charge are: •... - Page 20 Orion-Tr Smart DC-DC Charger Isolated Description/Symptom Action to take In general, the voltage measured at the output of the charger is always higher than VictronConnect shows an output that of the battery connected to that output as long as a high current is flowing.
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Page 21: Bluetooth Connection Issues With Victronconnect
7.3. Bluetooth connection issues with VictronConnect In the normal state, the blue Bluetooth LED should blink every 0.8 seconds when there is a connection between the VictronConnect app and the Orion-Tr Smart DC-DC Charger. See the LED Indicators [14] section and learn more about the meaning of the different LED codes. -
Page 22: Error Codes
Orion-Tr Smart DC-DC Charger Isolated 7.4. Error codes The error codes are displayed in the VictronConnect app. For the most up-to-date version of this list, see this link: https://www.victronenergy.com/live/mppt-error-codes. Error 2 - Battery voltage too high • This error will auto-reset after the battery voltage has dropped. This error can be due to other charging equipment connected to the battery or a fault in the charge controller. -
Page 23: Specifications
Orion-Tr Smart DC-DC Charger Isolated 8. Specifications Orion-Tr Smart DC-DC Charger Isolated 12/12-18 12/24-10 24/12-20 24/24-12 220-280 Watt (220W) (240W) (240W) (280W) Input voltage range (1) 8-17 V 8-17 V 16-35V 16-35V Under voltage shut down Under voltage restart 7.5 V 7.5 V... - Page 24 (does not decrease) increases by the same percentage. Note 1) The VictronConnect App will not display current in or current out. Note 2) The Orion-Tr Smart DC-DC Charger Isolated is not equipped with a VE.Direct port. Page 22...
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Page 25: Victronconnect - Orion Smart Dc-Dc Charger
Orion-Tr Smart DC-DC Charger Isolated 9. VictronConnect - Orion Smart DC-DC Charger 9.1. Introduction Thank you for using VictronConnect. This guide will help you get the most out of your Orion Smart DC-DC Charger and it requires a minimum knowledge of this charger that can be found in the introduction. The information available here applies to all Orion Smart DC-DC Chargers. -
Page 26: Charger Mode - Graph Tab
Orion-Tr Smart DC-DC Charger Isolated • Bulk: During this stage the Orion Smart delivers as much charge current as possible to rapidly charge the batteries. When the battery voltage reaches the Absorption voltage setting, the Orion Smart activates the Absorption stage. -
Page 27: Settings
Orion-Tr Smart DC-DC Charger Isolated 9.3. Settings VictronConnect allows the user to change and adjust several different settings from the Orion Smart. This is done through the settings option that can be accessed by clicking the icon on the right top corner of the screen. The settings options are different according to the operation mode that is selected. -
Page 28: Power Supply Mode
Orion-Tr Smart DC-DC Charger Isolated • Set the absorption voltage • Float voltage • Set the float voltage • Bulk time limit • Set the maximum bulk time allowed for the charger. • Re-bulk offset voltage • The re-bulk offset voltage determines what is the offset between the float voltage (or absorption if it is lower) and the re-bulk voltage. - Page 29 Orion-Tr Smart DC-DC Charger Isolated • Product shows the Orion Smart model • Serial number shows the serial number of the unit • Pin code allow the pin code to be changed. This is recommended to be done so settings and information won't be easy to access •...
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Page 30: Appendix
Orion-Tr Smart DC-DC Charger Isolated 10. Appendix 10.1. Dimension drawing Dimension Drawing - Orion-Middle Orion-Tr Smart 12/12-18A (220W) Isolated ORI121222120 DC-DC charger Orion-Tr Smart 12/24-10A (240W) Isolated ORI122424120 DC-DC charger Orion-Tr Smart 24/12-20A (240W) Isolated ORI241224120 DC-DC charger Orion-Tr Smart 24/24-12A (280W) Isolated... - Page 31 Orion-Tr Smart DC-DC Charger Isolated Dimension Drawing - Orion-Large Orion-Tr Smart 12/12-30A (360W) Isolated ORI121236120 DC-DC charger Orion-Tr Smart 12/24-15A (360W) Isolated ORI122436120 DC-DC charger Orion-Tr Smart 24/12-30A (360W) Isolated ORI241236120 DC-DC charger Orion-Tr Smart 24/24-17A (400W) Isolated ORI242440120 DC-DC charger...
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