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Pactrol announce the release of CSS 2 - A digital FSC replacement for CSS

 

Typical Combi Controller

Technical Specification

The specification below is typical of a full specification combi boiler control with user display and diagnostics:-

  • 230Vac operation
  • 230Vac room thermostat input
  • 230Vac Time programmer input (with auxiliary live and neutral terminals to power the clock)
  • 230Vac gas valve output (0.5A maximum)
  • 230Vac pump output (1A maximum) - optional PWM pump speed control output
  • Dc fan interface with PWM speed control output and tacho feedback
  • 230Vac 3 way diverter valve output (0.5A change over contacts)
  • DHW flow switch input - optional turbine type flow rate input
  • DHW overheat safety stat input
  • Boiler overheat safety stat input
  • Low water pressure safety switch input (or pump flow switch if required)
  • DHW NTC thermistor sensor input
  • Boiler Flow NTC thermistor sensor input
  • Boiler Return NTC thermistor sensor input
  • Outside Temperature NTC thermistor input
  • User display with 2 x 7 segment LED's
  • Boiler Cycles counter
  • Hours Run counter
  • Faults history records
  • Factory settings (with installer or service engineer adjustment if required)
  • Lockout reset button
  • User CH setpoint potentiometer
  • Weather compensation (using outside sensor)
  • Multiple Ignition Attempts (5)
Diagnostics facility with optional PC (USB) interface box and Windows™ based diagnostic program.

 

This is only a small selection of options that are available on request