OPAL 650DD is an electronic Thermostat control unit, Flush Mount type. For an electrical proportional damper that maintains a required room temperature.
It can be installed in any existing air conditioning system. The unit is based on a micro-controller that carries out the user’s instructions.
The unit provides optimum control of the desired working temperature according to the selected operation mode.
Main characteristics:

• Modern design
• Display with back light
• Flash mount thermostat for standard electrical J-box Or Gwiss
• Ergonomic and easy to use
• Cooling/Heating selector
• Manual, automatic selector
• Quick and easy installation