Main functions 1. 1Clock/week display 2. Chosen system (8 systems available) 3. Temperature difference on/off 4. Maximum tank temperature (protection of tank at high temperature) 5. Maximum collector temperature (collector cooling function) 6. Collector emergency cut-off 7. Limitation operation of collector at low temperature 8. Frost protection 9. Temperature controlled hot water circulation pump 10. Time controlled hot water circulation pump 11. Temperature controlled auxiliary heating[...]

Specification: 1.Flowering tube : copper with 11mm diameter ,and 0.7 mm thickness. 2.Head tube: copper with 25mm diameter ,and 0.75mm thickness. 3.Cover glass: tempered glass with 5mm thickness. High translucent ,good insulation, tightly for long time. 4.Bottom insulation: rock wool with 30mm thickness. 5.Side insulation: foam 6.Thick back sheet : galvanized steel sheet 7.Frame: aluminum alloy 8.Working pressure: 0.6MPA 9.Treated[...]

1.glass tube material: borosilicate glass 3.3 ,use LINO vacuum tube. 2.absorptive coating: graded AL-N-AL selective absorption. 3.vacuum degree: P<5* 10-3 PA 4.thermal expansion: 3.3*10-6/0C 5.insolation temperature: >2000C 6.absorptance: >93% 7.emissivity: <8% 8.resist cold: -350C 9.resist hailstone: diameter 25mm 10.resist wind: 30m/s 11.start-up temperature: <250C 12.life time: 15 years 13.unit tube weight: 1.3 kg for 47*1500 , 2.2 kg for 58*1800[...]

Inputs and Outputs 1. Inputs signal (1) Temperature sensor on top of tank T1 (2) Temperature sensor on collector T2 (3) Temperature sensor on bottom part of tank T3 2. Output controlling (1) Electrical booster (2) Circulation 1 (p1) (3) Circulation 2 (P2) Main functions 1. Time display 2. Temperature display 3. Temperature difference controlled circulation 4. Hot water timing circulation at three preset time sections 5. Timing heating at three preset[...]