Wednesday, 7 September 2022

Problem with MHK1 and Kumo adapter interaction

Hi. I have a home with 7 zones and 2 outdoor units. The system was initially installed with MHK1 thermostats, but they were a pain to program, and when I wanted to set a common program on the bedrooms vs downstairs units, I had to do it individually on each thermostat. So we installed Kumo PAC-USWHS002-WF-2 adapters on each on the indoor units, and the MHK1's are connected through the Kump adapters and provide local override and in room temperature sesning.

This generally works well, but we and the installer can't seem to figure out how to not have the MHK1 run a program, even after resetting the configuration. After the reset, it forces you to set at least one program, and this overrides the kumo program that is running.

Any ideas on how to get the thermostat to not run any program at all, but just do local override and temperature sense? None of the installer codes seem to do this.

thanks!


source https://hvac-talk.com/vbb/threads/2242341-Problem-with-MHK1-and-Kumo-adapter-interaction?goto=newpost

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