SR881 operation instruction of solar pump station
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during installation and commissioning:
The relevant regional and national regulations.
The technical and safety instructions mentioned in this manual.
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.
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)：420mm
Width (with insulation)：215mm
Depth (with insulation)：150mm
Distance centre to floor：1600mm
1.5 Specification of components
1.5.1 Return outlet connection (to collector): 3/4 IT
1.5.2 Safety valve: 6bar
1.5.3 Filling connection 3/4 male thread
1.5.4 Connection of expansion vessel 3/4 male thread
1.5.5 Manometer: 0-6bar
1.5.6 Non-return valve: opening pressure 200mmH
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1.5.7 Circuit pump: Wilo 15-6 or Grundfos 15-65
1.5.8 Filling connection 3/4 male thread
1.5.9 Digital flow meter 1-16L/min (alternative mechanical flow counter2-12L/min)
1.5.10 Flow outlet connection (from tank):3/4’ IT
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