Solar Pump Station SR21L for Split Solar Water Heater System including Controller and Pump
Solar pump station with integrated controller
Integrated controller
Outstanding design
Safety assembly with safety valve
High-Quality casing for reduction of heat loses
Flow rate checked
1.1 Scope of delivery
1* solar pump station
1* integrated solar controller SR258
1* wall mounting bracket
1* accessory bag
1* manual
Station dimensions:
Height ( with insulation):450mm
Width (with insulation):300mm
Depth (with insulation):158mm
Distance centre:1600mm
Distance axis/wall:55mm
Pipe connections: 3/4’ IT
Connection for expansion vessel set: 3/4’ET,flat sealing
Outlet safety valve: 1/2 IT
Specification of components
1) Non-return valve: opening pressure 200mmH 2 O
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
12) Connector of flow outlet (to tank):3/4’ IT ( no this connector on SR11L station)
13) Air separator
14) Manual air bleeder
15) Sensor on flow pipe (from collector to tank),NTC10K ( optional) ( no sensor on SR11L station)
16) Connector of flow inlet (from collector):3/4’ IT
Material:
Fitting: Brass
Seals: PTFE
Insulation: EPP, λ= 0.041W/ (m.K)
1.6 Technical Data
Max. permitted pressure: 6bar
Max. permitted operating temperature: 120 o C
Digital flow rate FRT: 1-20L/Min
