Product Manual — Doc. 8622E HZ-THSTAT • 118
2-Pipe FCU with 1 or 2 Stage Heat/Cool,
with optional Radiant Floor Stage,
optional Floor Warming, and optional Aux
Heat Stage
The configuration below can function as a 2 pipe (single Hot/Cold supply/return pipe) multi-speed (up to
3 speed) fan coil unit with manual or auto heat/cool changeover and optional auxiliary heat.
Go to Settings > Installer Settings > System Configuration to open the SYSTEM CONFIGURATION
screen.
Use the System Type, System Performance, Radiant Floor, User Controls, Humidistat Setup, and Sensor
Setup options to configure the thermostat to work with the connected HVAC system.
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