ΘΗΛΕΝ BL-ER-350L

CYLINDERS

The cylinder role in a system is important. It is used to store hot water produced by solar panels or other energy sources (boiler, electrical resistance) that is converted to heat.

All cylinders “BL-S”, “BL-SW”, “BL-DW”, and “BL-ER” bear the CE marking that certifies and guarantees their safe use.

The construction of the cylinders is composed of pure deoxidised copper foil

bonded robotic technology.

For internal insulation ecological polyurethane insulation thermal conductivity k = 0,023 w / mk, density p = 40kg / m³ are used, and resistance to fire class: B3, which ensures heat retention even at very low temperatures.

The cylinder casing is made of stainless steel or pre-painted galvanised steel to protect the insulation and longevity of the internal tank of hot water.

Monophonic electrical resistance (elements) 3kw is used on the cylinders. In case of insufficient sunshine it is possible to use more than one electrical resistance (elements).

It is possible to place coil on the cylinders for the circulation of thermal fluid from the boiler of the central heating or solar system. Where necessary a second coil is used on the same cylinder.

During the construction of the cylinder, hydraulic pressure control is made on the 10 atmospheres (bar).

All types of cylinders “BL-S”, “BL-SW”, “BL-DW”, and “BL-ER” bear a warranty.

Cylinder Technical Characteristics

  • Ability to save 350L water
  • Construction of pure deoxidized copper foil (Cu-DHP) thickness 2,0[±0,1]mm
  • Cylinder cup thickness 2,0[±0,1]mm of pure deoxidized copper (Cu-DHP)
  • Stainless steel housing or pre-coated galvanized steel
  • Internal ecological polyurethane insulation thermal conductivity λ=0,023W/mK , density p = 40kg/m3, and resistance to fire class: B3
  • Electrical resistance (element) 3kW
  • Coil connection to central heating
  • Coil connection to central heating

350L Engine Room Boilers

Type / Dimension E1(mm) E2(mm) D1(mm) D2(mm) Cylinder Thickness (mm) Cylinder Cup Thickness (mm)
BL-ER-350L 1750 2050 480 580 2.0[±0.1] 2.0[+0.1]
Type / Pipe 1(Ø) 2(Ø) 3(Ø) 4(Ø) 5(Ø) 6(Ø) 7(Ø) 8(Ø) 9(Ø)
BL-ER-350L 22 22 22 or 15 22 or 15 22 or 15 22 22 or 15 22 or 15 22

Type/ Pipe 10(Ø) 11(Ø) 12(Ø) Heating Element Fuse/ MCB
BL-ER-350L 22 22 22 3kW 240V/AC 20A

Description

Piping Description
1 OUT Draining
2 IN Cold water
3 OUT from Solar Coil
4 OUT from Heating Coil
5 IN Return
6 Thermostat Pocket
7 IN to heating Coil
8 IN to Solar Coil
9 OUT Hot Water
10 Pocket
11 Pocket
12 Pocket

Technical Specification

PART DESCRIPTION TECHNICAL SPECIFICATIONS
Casing Pre-coated Galvanized steel / stainless steel QCD-FIN-F14/V-5
Cylinder Copper CU-DHP (CW024A) / EN1652
Cylinder Cup Copper CU-DHP (CW024A) / EN1652
Insulation Polyurethane (λ=0 023W/mK | ρ=40kg/m³ | reaction to fire: class B3) DIN 52612
Heating Element BS699 / BS1566 / BS3198 /BS6141
Element Protection Cup Galvanized sheet metal QCD-FIN-F14/V-5
Weldments MIG L-CUP7 DIN EN CP202
Piping MATERIAL TECHNICAL SPECIFICATIONS CONNECTION TECHNICAL SPECIFICATIONS
1 Copper CU-DHP (CW024A) / EN1652/EN1057
2 Copper CU-DHP (CW024A) / EN1652/EN1057 Check Valve & Expansion Tank 25Bar (-10÷90C)97/23/EC
3 Copper CU-DHP (CW024A) / EN1652/EN1057
4 Copper CU-DHP (CW024A) / EN1652/EN1057
5 Copper CU-DHP (CW024A) / EN1652/EN1057
6 Copper CU-DHP (CW024A) / EN1652/EN1057
7 Copper CU-DHP (CW024A) / EN1652/EN1057
8 Copper CU-DHP (CW024A) / EN1652/EN1057
9 Copper CU-DHP (CW024A) / EN1652/EN1057 Vacuum Valve 97/23/EC
10 Copper CU-DHP (CW024A) / EN1652/EN1057
11 Copper CU-DHP (CW024A) / EN1652/EN1057 Safety Valve 5 Bar E-30-20061-07 97/23/EC
12 Copper CU-DHP (CW024A) / EN1652/EN1057

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