TK-7 Controller for solar water heater

Introduce:
Suitable  for  integrated  un-pressurized china solar water heater system
 
Main functions
1. Manual water loading
2. Water temperature display
3. Water level pre-setup
4. Hot water circulation
5. Low pressure protection
6. Temperature controlled water loading
7. Timing water loading
8. Water level display
9. Water loading when tank is lack of water
10. Compulsive water loading
11. Water temperature pre-setup
12. Timing heating
13. Hot water pipe insulation
14. Manual heating
15. Collector tube protection 
16. Increasing Water pressure during water is loaded
 

Main technical data
1. Dimension: 210 mm x 145mm x 40mm
2. Temperature range of measurement:0～99℃
3. Maximum power of controlled pump:≤600W
4. Measuring accuracy of temperature:±2℃
5. Power of accompanied electrical heating wire:≤800W
6. Self power consumption:＜3W
7. Power of auxiliary electrical booster:≤2000W(standard collocation)、≤3000W
    (not standard, selection available)
8. DC 12V, AC 220V, pressurized valve and un-pressurized valve are available for selection
※Operation pressure of pressurized valve: 0.02Mpa～0.8Mpa, suitable for providing water directly
※Operation pressure of un-pressurized valve: 0.0Mpa , connected with water tank or low
   pressure water providing.