Controller (SR618C6)features:
It is suitable for separate pressure solar system.
1. Dimension: 210χ
145χ
48(mm)
2. Self power consumption: <3W
3. Measuring accuracy of temperature: ± 2º C
4. Temperature range of measurement: 0~150º C
5. Maximum power of controlled circulation pump: Possible to control 4 pumps, every power¡Ü600W
6. Power of auxiliary electrical booster ¡Ü2000W ( standard collocation), ¡Ü3000W (not standard, selection available )
7. Inputs: 5 inputs, PT-1000 for collector, sensor temperature ¡Ü500º C ( silicon cable ¡Ü280º C), NTC10K, B=3950 for tank, sensor temperature ¡Ü135º C, ( PVC cable ¡Ü105º C)
8. Outputs: 5 outputs, one for electrical booster, 4 for circulation pump or 3-way electromagnetic valve)
9. Ambient temperature range: -10 ~ 50 º C
10. Water protection grade: IP40.

NOTICE: When user selects electrical heater as back-up device, we recommend using SR801 unit connecting controller and electrical heater.