TCS SZ1024 Heat Pump Thermostats

7-Day Heat Pump/Conv. Programmable Thermostat control of fan and 2 aux. heat and 2 stages comp control of reversing valve Description The SZ1024 SuperSTAT is for controlling heat pumps. It can be converted to conventional mode via programming. Features:   • Stand-alone or network operation • Seven-day time clock • Discharge air sensor input with high and low limits • Conventional model offers up to three heating and two cooling stages, or two heating and three cooling stages • Heat pump model offers two compressor stages, two auxiliary heat stages and a configurable reversing valve output • Adjustable delay on power-up and start-up for soft starts • P+I control option • Smart recovery • No battery backup is required • Minimum on/off times for HVAC equipment protection • 32-character LCD display • Six status LEDs • Remote room sensing capability • User setpoint adjustment limits • Local override and remote override capability • System and fan switching with access lockouts • Auxiliary time clock output (economizers) • Fan interlock safety option • Filter service input and indication • Equipment monitoring inputs and indication • External time clock input • Energy management input for setpoint shift • Access to programming or schedule may be locked out or limited with the use of an access code • Fahrenheit or Celsius temperature display   Datasheet Product Manual