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Technical manual
A more detailed description of the function of the individual components follows in
Chapter 4, Dimplex solar products.
4 Dimplex solar products
The following section details the product features and relevant technical data of the
components of the Dimplex solar offering. Where applicable a general description of the
component's function is given.
4.1 Dimplex solar collector SOLC220
4.1.1 General description
The Dimplex solar collector SOLC220 is a solar thermal flat plate collector. A cross sec-
tional drawing of the Dimplex SOLC220 is given in Figure 8 detailing the individual col-
lector components.
(A) Collector cover (glass)
(B) Absorber plate (aluminium)
(C) Powder coated frame (aluminium)
(D) Manifold pipe (copper)
(E) Collector insulation (mineral wool)
Due to its construction, a flat plate collector is subject to conduction, convection and
radiation heat losses. The sum of these heat losses and the design and production qual-
ity are summarised in the thermal collector efficiency which is empirically determined
through independent third party testing and expressed in Equation 1. The heat loss
modes of a flat plate collector are shown in Figure 9.
Figure 8 – Flat plate collector components
(F) Meander pipe (copper)
(G) High selective absorber coating
(H) Back plate (aluminium)
(I)
Secure cover fixation
(J) Continuous mounting channel
SOLAR
Page 11 of 72
ST0133 – A 02/09
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