The Grandis 600 is a highly flexible solar and heating circuit controller for the control of complete heating systems and capable of controlling two separate heating circuits.

• Parallel charging function for 2 or more storage tanks
• Storage tank priority function
• 80 Pre-defined solar diagrams
• 10 temperature inputs PT1000
• 7 outputs 230V AC
• 3 PWM or 0-10V analog outputs for HE pumps