STIEBEL ELTRON SOL 25 PLUS - Manual (Page 5)

WWW.STIEBEL-ELTRON-USA.COM SOL 25 PLUS | 5
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3. ASSEMBLY INSTRUCTIONS
FOR THE PROFESSIONAL
Model SOL 25 Plus
Part no. 185541
English Units Unit Dim. SI Units Unit Dim.
Height 87-15/16 inches 2233 mm
Width 48-1/8 inches 1223 mm
Depth 3-1/16 inches 78 mm
Grid dimension (incl. fitting) 48-1/8 x 91.46 inches 1223 x 2327 mm
Weight, empty 108 lbs 49 kg
Standing temperature (at 1000 W/m²) 410 °F 210 °C
Operating pressure, min. 50 psi 3.5 bar
Permissible operating overpressure 87 psi 6.0 bar
Tested pressure (absorber, ex factory) 160 psi 11.0 bar
Test medium (ex factory) water
Pressure test of complete solar system (with Tyfocor LS) 115 psi 7.8 bar
Flow rate - rated capacity 13 - 80 gal/hr 50 - 300 l/hr
Pressure drop of collector (@26 gal/hr and 68°F fluid temp.) ~0.029 psi ~2.0 mbar
Pressure drop of collector (@52 gal/hr and 68°F fluid temp.) ~0.087 psi ~6.0 mbar
Connection G ¾¨ male BSPP (British Standard Pipe Parallel Thread)
Heat-transfer medium Propylene Glycol, ready-mixed
Heat-transfer medium (fluid) content, incl. manifold 0.43 gal 1.6 l
Total area 29 sq ft 2.7 m 2
Effective collector (aperture) area 27 sq ft 2.5 m 2
Absorber area 27 sq ft 2.5 m 2
Installation angle 20° - 90°
Housing aluminum (saltwater-proof)
Cover low-iron, tempered, 0.16” safety glass; super-transparent
Absorber copper, highly-selectively vacuum-coated
Pipe copper, header pipe ∅ 3/4, pot pipe ∅ 5/16
Thermal insulation, rear wall mineral wool, 1.57 inches / 40 mm thick
Thermal insulation, side wall mineral wool, 0.39 inches / 10mm thick
Seal EPDM
Connection fittings pipe bend (stainless steel) with union nut (brass) G ¾¨
Thermal power generated (per collector)* 0 to 6830 BTU/hr 0 to 2000 W
Conversion factor h
0
0.781
Heat loss value a
0
0.500 BTU/(hr•ft²•°F) 2.838 W/(m²•K²)
Heat loss value a
1
0.0027 BTU/(hr•ft²•°F) 0.0154 W/(m²•K²)
3.3 Technical Data & Specifications