Temperzone recently reprogrammed the UC8 control board on a Temperzone “Magnus” hydronic heat pump system to remedy system behaviour that was reducing both performance and energy efficiency. It is worth noting this system behaviour resulted from the way the Heat Pump system and the Hydronic system Zone Control interacted. It was not a specific fault with either system, which would have made it hard to identify using conventional diagnosis.

In itself, this is not a particularly exceptional event. However, it becomes much more exceptional when you consider that the hydronic system was in Melbourne Australia and the monitoring, diagnosis and reprogramming was all done from Auckland, New Zealand via a system called Temperzone Remote Monitoring.

The 4G communication unit is very small

What is more remarkable is that the monitoring, diagnosis and reprogramming was done before the customer was even aware there was a performance and efficiency issue.

Lets step through the key points of this story.

  • A Temperzone Magnus reverse cycle hydronic heat pump was installed in a domestic house in Melbourne Australia.
  • A temperzone remote monitoring device was included in the initial installation. The remote monitoring device has a 4G sim card that allows it to communicate with a cloud based internet system. This means the monitoring interface can be reached anywhere there is an internet service.
  • The installation appeared to be operating correctly at commissioning.
  • Temperzone technical staff in Auckland who were monitoring the system noticed the heat pump was behaving in an unusual way when the hydronic zone control valves were closed.
  • The Remote Monitoring System is a data logger and captures and stores information at set intervals over time. Analysis of the data identified the easiest solution was to reprogram the UC8 control board.
  • Reprogramming code was produced with the intention of having a Technical Services technician attend the site and upload the new code directly. An appropriate technician was not available in Melbourne within the required timeframe, so a decision was made to upload the new code via the remote monitoring system.
  • The reprogramming was successfully completed entirely by remote control. Once this was complete and the system was rebooted and monitored to ensure the remedial programming had achieved the required adjustment.

There are several important points that are highlighted by this project.

The Temperzone Remote Monitoring System will operate with all Temperzone equipment with a UC8* control board.

The ability to observe system operation and behaviour over an extended period of time makes identifying and remedying difficult to diagnose and intermittent issues much easier. The problem with the heat pump system outlined above would probably have presented as an annoying series of intermittent faults without the Remote Monitoring System.

The Temperzone Remote Monitoring system is leading the way in defining a totally new model of monitoring, diagnosis and servicing air conditioning systems. Temperzone R&D Engineer Adrian Kerr who developed the Remote Monitoring System added, “Our system allows an owner or facilities manager to monitor an air conditioning system over its entire lifetime. It is particularly valuable in the first few months after commissioning where it helps to identify ways to optimise the performance of the system. Long term monitoring will identify gradual reduction in performance and efficiency, long before conventional servicing would be able to observe it.”

The Remote Monitoring System does not replace the need for a service technician to attend the unit in person, rather it will change the way air conditioning service companies manage the service process much more effectively.

For more information on Temperzone Remote Monitoring System talk to your Temperzone rep.

*Temperzone Remote Monitoring System is also available for use on Units with UC6 and UC7 control boards. The ability to remotely reprogram a control board is only available with the UC8 control board.


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