SR11L Series Solar Hot Water Pump Station with Integrated controller SR258 Max. permitted pressure 6 bar 1-20L/Min flow
1. 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
1.2 About this manual
This solar pump station is a preinstalled and leak-tested group of fitting for transferring heat from the collector to the store. It contains important fittings and safety devices for the operation of the solar thermal system:
Ball valves in flow and return in combination with check valves to prevent gravity circulation.
Air stopper for manual bleeding of the solar thermal system
Electronic flow rate check for displaying the flow rate
Manometer for displaying the system pressure
Safety valve to prevent inadmissible overpressure
Flushing and filling unit for flushing, filling and emptying the solar thermal system.
1.3 Safety instructions
The installation and commissioning of the solar station as well as the connection of electrical components requires technical knowledge commensurate with a recognized vocational qualification as a fitter for plumbing, heating and air conditioning technology, or a profession requiring a comparable level of knowledge. The following must be observed during installation and commissioning:
The relevant regional and national regulations.
The technical and safety instructions of these instructions.
Warning: risk of scalding
There is danger of steam emission with safety valves. Therefore a discharge pipe must be connected to the safety assembly, please observe the enclosed instructions regarding the safety valve when doing this.
Attention: damage of solar pump station
The group of fittings must be installed with sufficient spacing to the collectors because temperatures in the vicinity of the collectors can be very high. An intermediate vessel may be necessary for installation in the attic.
It is imperative that you make sure the EPDM sealing elements of the solar pump station do not come into contact with substances containing mineral oil. Mineral oil products cause lasting damage to the material, whereby its sealant properties are lost. If necessary, ask the manufacturer whether the solar fluid, fats or installation aids contain mineral oils. We don’t assume liability nor provide warranty for damage to solar station resulting from sealants damaged in this way.
1.4 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
1.5 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
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: 120oC
Digital flow rate FRT: 1-20L/Min
Solar System: Single pipeline
