Riello Control Box MO550
Microprocessor Controller for single-step and two levels of burner. Provides supervision during intermittent operation.

• Features
• Digital technology
• Visual or PC interface diagnostic functions through multi-color LED device
• Post-ignition of 3 seconds after safety time
• Adjustable post-purge
• Remote lock-out reset
• Post-combustion lock-out
• Recycling for 3 attempts if there is failure flame during operation
• Integrated ignition transformer with a 8 seconds ignition time (equal to control box safety time)
• Integrated 7-pole socket.

For helping the commissioning and maintenance work, there are two main elements:
• The lock-out reset button is the central operating element for resetting the burner control and for activating / deactivating the diagnostic functions.
• The multi-color LED is the central indication element for visual diagnosis and interface diagnosis.

Both elements are located under the transparent cover of lock-out reset button

• Box Contents:
• 1 x Control unit MO550
• 1 x Connection RS protective pad set
• 1 x Protective Pad V2 
• 1 x Connection System 
• 1 Instruction Guide