When there is no enough energy for sun,an electrical or gas back up element will be automatically switched on by controller.
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: carton
Delivery Detail: 7 working days
Solar Water Heater Working Station
Main technical data:
01. Dimension: 450×310×150mm
02. Input voltage: 200V~240V AC or 100V~120V AC
03. Power: ≤3W
04. Accuracy of temperature measuring: ±1ºC
05. Range of temperature measuring: PT1000 : 0~199ºC NTC10K: 0~99ºC
06. Input signals:
2 x PT1000 sensor temperature probe ≤500ºC, silicon cable ≤280ºC;
4 x NTC10K sensor temperature probe≤135ºC, PVC cable ≤105ºC
07. Output signals:
1 x Auxiliary heating output (Max. load current: 15A)
4 x Relay output (Max. load current: 3A)
08. System design pressure: 1 MPa
System working pressure: 0.8 MPa
09. Safety valve respond pressure: 0.6 MPa
10. WILO pump model: SR15/6
11. Screw coupling: 1/2'
12. Pipeline material: Yellow copper
13. LCD-display
14. Range of environment temperature: -10~50ºC
15. Water protection grade: IP40
Main functions:
01. 8 solar hot water systems for choice
02. Time display
03. Temperature difference circulation
04. Storage tank overheating protection
05. Emergent stop of system overheating
06. Frost protection of pipeline and collector
07. Three periods of time adjustable on pipeline circulation
08. Three periods of time adjustable on auxiliary heating
09. Holiday function
10. Anti-bacteria function
11. Three speed levels on circulation pump
12. Display flow rate
13. Display system pressure