Solar Controller (SR738C)

Main functions
1. Clock display
2. Available systems ( 1-6 system available )
System1: 1 collector array - 1 storage tank - 1 pump
System2: 1 collector array - 2 storage tanks - 2 pumps
System3: 1 collector array - 1 storage tank -1 pump and resource
System4: 1 collector array - 1 storage tank -2 pumps and hot water return heating
System5: 1 collector array - 1 storage tank -2 pumps and swimming pool system controlling
System6: 1 collector array - 1 storage tank - 1 pump - 1 electromagnetic valve and swimming pool controlling
3. Speed controlling of circulation pump
4. Temperature difference on/off
5. Maximum tank temperature
6. Maximum collector temperature
7. Collector emergency cut-off
8. Limitation operation of collector at low temperature
9. Frost protection
10. Temperature controlled hot water circulation pump
11. Time controlled hot water circulation pump
12. Temperature controlled auxiliary heating during three time section
13. Holiday function
14. Thermostat of tank
15. Temperature difference adjustment of back-up boiler and heat exchanger
16. Auto function
17. Auxiliary function/(a. Temperature difference controlling T2, b. Heating return increasing, c. High temperature by-pass
18. Protection functions ( a. Memory protection, b. Anti-bacteria protection, c. Anti- dry heating protection)

Main technical data
1. Dimension: 210mm× 145mm× 40mm 2. Self power consumption: <3W
3. Measuring accuracy of temperature: ± 2
4. Temperature range of measurement: 0150
5. Maximum power of controlled circulation pump: Possible to control 2 pumps, every power≤ 600W
6. Power of auxiliary electrical booster ≤ 2000W ( standard collocation), ≤ 3000W not standard, selection available
7. Inputs: 5 inputs, PT-1000 for collector, sensor temperature ≤ 500 ( silicon cable ≤ 280), NTC10K, B=3950 for tank, sensor temperature ≤ 135, ( PVC cable ≤ 105)
8. Outputs: 4 outputs, one for electrical booster, 2 for circulation pump or 3-way electromagnetic valve)
9. Ambient temperature range: -1050
10. Water protection grade: IP40.

Suitable for separated pressurized solar system

Suitable for separated pressurized solar system
Main technical data
1. Dimension: 210mm

  • Rated Voltage:12V
  • Application:Solar System Controller
  • Model Number:SR738C
  • Brand Name:skylight
  • Place of Origin:Jiangsu China (Mainland)
  • Country:China (Mainland)
  • telephone:0086-0519-83689316
Delivery Time: Within 10 days
Package: Standard Export Carton
Supply Ability: 450 Set/Sets per Day
Minimum Order Quantity: 10 Set/Sets
Payment Terms: T/T
Port: Shanghai
Fob Price: US$65-110Shanghai
Rated Voltage: 12V
Application: Solar System Controller
Model Number: SR738C
Brand Name: skylight
Place of Origin: Jiangsu China (Mainland)
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