IntelliPak Symbio 800 controlled units will communicate with certain devices through Modbus communication protocol. If these devices are replaced they MUST be addressed to allow the Symbio 800 controller to properly communicate with them.
| Modbus Devices on IntelliPak units with Symbio 800 Controls | Unit Type | How to Address |
| Relief Fans | IntelliPak 3 Only | TD7 |
| Condenser Fans (EBM and Regal) | IntelliPak 1 and 2 | TD7 |
| Refrigerant Leak Detectors | IntelliPak 1, 2 and 3 | TD7 |
| Fan motors connected to Danfoss VFDs (supply, relief/return and condenser) | IntelliPak 1, 2 and 3 | VFD |
Devices that can be addressed through the TD7 must have Firmware Version 4.10.002 or higher installed.
IntelliPak Symbio 800 - Replacing controller and updating Firmware
Danfoss VFD's are addressed through it's LCP keypad per setup parameters listed in the unit's IOM. If the IOM is no longer located in the unit, it can be found in E-library using the literature number located on the unit's nameplate. Refer to the VFD Programming Parameters in the IOM.
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.