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2-Way solar pump unit for high flow systems. Up to 70 l/min.

2-Way solar pump unit for high flow systems. Up to 70 l/min.

 

The unit with 1” (180 mm) solar circulating pump, fully assembled and tested, consists of:
 
 

RETURN:

  • Flowmeter with flow regulation with filling and draining valves.
  • Solar circulating pump TOP-RL25/8,5 or Stratos PARA 25/1-8 0-10V..
  • Flanged 3-way ball valve with non return valve 10 mbar (which can be excluded by rotating the handle by 45°) supplied with in-handle thermometer (coded blue, range 0°C-120°C).
  • “T” connection for security unit.
  • Security unit 6 bar with manometer ø50 mm 0-10 bar with 3/4” Male connection to the expansion vessel.

 

SUPPLY:

  • “T” connection with sensor holder pit ø6 mm.
  • Flanged DN25 ball valves with non return valve 10 mbar (which can be excluded by rotating the handle by 45°) supplied with in-handle thermometer (coded red, range 0°C-120°C).
  • Pipe with end connection.

 

Centre distance 125 mm. EPP insulation box (Measurements: 285x500x170).

A special back plate fixes the unit to the insulation box and it allows a quick fitting to the wall or to the solar cylinder.
 
PN 10. Constant temperature 120°C; (short time temperature: 160°C for 20 s).
External connections: 1”1/4 Male, 1”1/2 Male or 1” pipe union Female.
 

FIELD OF UTILIZATION:

For power up to 100 kW.
 

Available flowmeters:                                    Available circulating pumps:

42 = 5-42 l/min                                                  Wilo Top RL25/8,5 (RL8,5)
70 = 20-70 l/min                                                Wilo Stratos PARA 25/1-8 (PA1-8)
 
 
    Model with Stratos
    PARA 25/1-8
    circulating pump:
    the 0-10V control
    needs ModvSol 4 differential controller.
 
 
 
Code 1” Female: 304F647-xx-(RL8,5/PA1-8)
Code 1” 1/4 Male: 305647-xx-(RL8,5/PA1-8)
Code 1” 1/2 Male: 306647-xx-(RL8,5/PA1-8)
 
 
Code composition: the suffix “xx” shows the flow, followed by the circulating pump (f.i. 306647-42-RL8,5).
 
 

 






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