PI thermostat
is a 24 VAC Floating / Modulating Digital Thermostat that provides Proportional + Integral (P+I) control for optimum temperature control and comfort in HVAC system. It is used with the single fan speed.
Model description of PI Series thermostat
Model Mounting Operating voltage Type of control Power on/off switch
PI – 01 Vertical 24 VAC Floating No
PI – 02 Vertical 24 VAC Floating Yes
PI – 03 Vertical 24 VAC Modulating No
PI – 04 Vertical 24 VAC Modulating Yes
Features
  • Stylish design with digital display.
  • Minimum temperature setting from 5 – 23 ºC (Default 11 ºC).
  • Maximum temperature setting from 16 – 34 ºC (Default 30 ºC).
  • Selection of Modulating output for 0 – 10 or 2 – 10 Vdc either for Direct or Reverse acting actuator.
  • Temperature offset –2 to +2 ºC (Default 0 ºC).
  • Digital input for energy savings.
  • Mode of display : Room temperature, Setting temperature or Output voltage.
  • Temporary view of output voltage for Modulating type control.
  • EEPROM permanently retains user setting in case of power loss.
  • Remote sensor (optional) with auto detect of temperature sensor (internal or remote sensor).