The ZonePRO(R) thermostats are for low-voltage pressure-dependent variable air volume (VAV) applications. The four ZonePRO models can also be used for hydronic perimeter heating/cooling and bypass box with/without reheat.
Provides modulating (2 to 10 VC analog) control (TB7980)
Provides floating control (TB6980)
Provides 2 additional outputs (TB6980B and TB7980B)
Provides max. and min. set points for heating and cooling
Provides a night setback (NSB) terminal for energy savings