75F is able to control many Mitsubishi VRF systems by using the PAC-US444CN-1 interface controller. Using the Smart Stat temperature or a remote 10K Type II thermistor the Smart Stat will control the VRF to meet zone demand.
Wiring
Below is the wiring configuration for integrating a Smart Stat with a Mitsubishi VRF. Not the TH2 thermistor is optional if local control is not desired.
Configuration
Start by pairing the Smart Stat as is described in the Smart Stat installation article: https://support.75f.io/hc/en-us/articles/360006298074-Smart-Stat-Installation-
Using onboard sensor as for space temperature.
Using TH2 as the zone temperature.
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