HD38 Six Step Ventilation Controller

• Large display shows zone temperature.
• Monitors temperature from a single remote sensor.
• Can control up to six steps of ventilation in two modes:
  • Transformer step speed control.
  • Sequential step control.
• Heating and alarm output functions with HPAL option.
• Heating, cooling and alarm output functions with HDY6 option.
• Built in cycle timer function, with a choice of setting in seconds or minutes .
• Min. and max. temperature memory.

See Also:

• HPAL Dual Relay Extension Unit.
• HDY6 Six Relay Extension Unit.