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Q3 Q-Logic Control

Microprocessor Control for DX Systems

The Q3 keypad/display for DX systems works with the Q-Logic Control System.

This high-technology display has a bezel look and offers user-friendly, logical operation. It has raised buttons and an LED display window.


  • Easier menu-based programming.
  • Smarter error/fault codes.
  • Timed setting for air filter replacement.
  • Automatic dehumidification.
  • Optional humidity sensor to monitor and control relative humidity.
  • Optional outside-temperature sensor.
  • Optional electric heat package.
  • Better serviceability with separate offboard compressor triac.
  • Inside temperature sensor and display cable are identical to SMX platform.
  • Optional CAN-bus network adapter for monitoring and controlling multiple DX systems or TW air handlers.
  • Q3 has a small surface-mount display with a simple four-button interface.


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