INTRODUCE : 

Solar pump station with integrated controller : 

1. Integrated controller

2. Outstanding design

3. Safety assembly with safety valve

4. High-Quality casing for reduction of heat loses

5. Flow rate checked

Scope of delivery :

1. 1* solar pump station

2. 1* integrated solar controller SR258

3. 1* wall mounting bracket

4. 1* accessory bag

5. 1* manual

Solar Hot Water Station dimensions :

1. Height ( with insulation)： 450mm

2. Width (with insulation)： 300mm

3. Depth (with insulation)： 158mm

4. Distance centre： 1600mm

5. Distance axis/wall： 55mm

6. Pipe connections: 3/4’ IT

7. Connection for expansion vessel set: 3/4’ET,flat sealing

8. Outlet safety valve: 1/2 IT

Specification of components :

1. Non-return valve: opening pressure 200mmH2O

2. Connector of flow outlet (to collector):3/4’IT

3. Safety valve: 6bar

4. Filling connector

5. Connector of expansion vessel

6. Manometer: 0-6bar

7. Sensor on return pipe (from tank to collector),NTC10K ( optional)

8. Circuit pump: Wilo 15-6 or Groundfos 15-65

9. Connector of drainage valve

10. Digital flow counter Return outlet connection (from collector): 3/4 IT

11. Connector of flow inlet (from tank):3/4’ IT

Material :

1. Fitting: Brass

2. Seals: PTFE

3. Insulation: EPP, λ= 0.041W/ (m.K)

Technical Data :

1. Max. permitted pressure: 6bar

2. Max. permitted operating temperature: 120oC

3. Digital flow rate FRT: 1-20L/Min

INTRODUCE OF THE SR258 CONTROL UNIT 

APPLICATIONS CAPACITY : 

1. Max.number of collectors:1

2. Max.number of storage tanks:1

3. Max.number of relays:5

4. Max.number of sensors:4

5. Max.number of visualization application system: 1

6. Signal port for HE pump:IPWM1

7. FRT:1* Rotary vane type electron flow meter

8. Temperature measurement accuracy:0.1C

9. Conventional or inverter pump both available on .

MAIN TECHNICAL DATA : 

1. Size of Controller: 187mm x128mm x46mm

2. Power supply: AC100-240V50-60Hz. .  

3. Power consumption: < 2.5W

4. Rated impulse voltage: 2.5KV

5. Housing: Plastic ABS

6. Protection type: IP41

7. Mounting: Wall mounting

8. Operation: 6 push buttons at the front cover.

9. Accuracy of temperature measuring: ± 0.1oC

10. Range of collector temperature measuring: -10oC ~220oC

11. Range of tank temperature measuring: 0oC ~110oC

12. Suitable power of pump: 3 pump possible to be connected  

13. Suitable power of HK (backup heating): 1pc * 1500W .

14. Inputs: 5 sensors

    1pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC)

    4pcs*NTC10K B3950 sensor (≤ 135oC) for tank (PVC cable ≤105oC)

15. 1*FRT Rotary vane type electron flow meter

16. Outputs: 4 relays for circulation pump and backup heating

17. 2*Electronmagnetic relay Max.current 1A

18. 1*Semiconductor relay Max.current 1A

19. 1* Electronmagnetic relay Max.current 10A

20. 1*PWM variable frequency output(switchable 0-10v)

21. Ambient temperature: -10oC ~ 50oC.

22. Water proof grade: IP41

MAIN FUNCTIONS : 

1. DATE---Date setting

2. Timed heat---backup heating

3. Circle---Hot water circulation

4. LOAD---Setup Loading tank1

5. COL---Collector1

6. PUMP---Pump control mode

7. COOL---Cooling function

8. AUX---Auxiliary function

9. MAN---Manual mode

10. BLPR---Blocking protection function

11. OTDI---Thermal disinfection function

12. FS---Flow meter type selection.

13. UNIT---C-F unit switch

14. RST---factory setting

15. PASS--- password set

16. Holiday function

17. Screen Protection

18. Trouble Protection

19. Trouble Checking