I am doing some troubleshooting on a building with a Honeywell XL50 MMI controller
I have been unable to access the settings in this system. Is there an inexpensive way to communicate with this system using a laptop? Or do I have to get a honeywell tech on the job.
it integrated with? The MMI version allows buswide access to other controllers. It can be used with Honeywell Excel 5000 System or it can be used in an open LonWorks network. Is there a maintenance engineer available
The controller was installed in the year 2000. It is connected to an old school modem. There have been staff changes in the maintenance department and no one knows anything about the system. What am I looking for to interface? I am very comfortable with boiler/HVAC settings but have no experience with this system.
Thank you in advance