Dimplex ST0133 - Manuals

Technical manual Page 6 of 72 ST0133 – A 02/09 SOLAR Figure 3 – UK and Ireland irradiation map (horizontal surface) 3.1.2 Orientation The solar irradiance shown in Figure 3 is an average value incident on the horizontal surface. As mentioned above, depending on the orientation and inclination of the...

Technical manual Page 7 of 72 ST0133 – A 02/09 SOLAR Figure 4 – Terminology to describe location and orientation of solar thermal panel Figure 5 – Effect of orientation on incident radiation levels Latitu de Lon gitu de S W N E Zenith Slope Azimuth S U N

Technical manual Page 8 of 72 ST0133 – A 02/09 SOLAR Although the location of the solar thermal system can be described using the longitude and latitude of the installation, in practise the locality is being used to determine the location of the system. The effect of the orientation on the incident ...

Technical manual Page 10 of 72 ST0133 – A 02/09 SOLAR User The user varies from installation to installation but has a big influence on the operation of the solar thermal system. However, the system has all components to ensure the provision of the comfort levels that the user expects. 3.3.2 Functio...

Technical manual Page 11 of 72 ST0133 – A 02/09 SOLAR 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 th...

Technical manual Page 12 of 72 ST0133 – A 02/09 SOLAR ( ) G t t a G t t a a m a m 2 2 1 0 − ⋅ − − ⋅ − = η η [1] Where: η [-] thermal collector efficiency η 0 [-] optical collector efficiency/zero loss coefficient a 1 [W/m²/K] linear heat loss coefficient a 2 [W/m²/K²] squared heat loss coefficient G...

Technical manual Page 14 of 72 ST0133 – A 02/09 SOLAR - collector design - collector pressure drop - flow rate - required system output Figure 11 shows the Dimplex SOLC220 collector with the pipe work attached to the ab-sorber plate indicated. Figure 11 – Absorber pipe work Dimplex SOLC220 collector...

Technical manual Page 15 of 72 ST0133 – A 02/09 SOLAR The flow and return of the collector are connected using a 800mm long insulated corru-gated stainless steel flexible hose (9.1). The interconnections consist of short flexible bellows (10.1). The remaining connections are to be blanked off using ...

Technical manual Page 17 of 72 ST0133 – A 02/09 SOLAR Although only the vertical collector orientation is shown, the same principles can be applied to the horizontal collector installation. The same applies for the positioning of the flow and return, it can be changed from left to right hand side as...

Technical manual Page 18 of 72 ST0133 – A 02/09 SOLAR On roof kits The on roof kits come as basic and extension kit. The basic kit has to be ordered for each first collector of a collector field, the extension kit for each additional collector in the installation. Figure 17 – On roof mounting option...

Technical manual Page 19 of 72 ST0133 – A 02/09 SOLAR Figure 18 – Dimplex SOLC220 integrated roof kit without and with flashing kit fitted Free standing kits The free standing kit is designed for the vertical installation of the solar collector on even ground with a slope of 45° to 60°. For lower sl...

Technical manual Page 20 of 72 ST0133 – A 02/09 SOLAR Figure 19 – Free standing kit row distance calculation details In addition to the row distance the fixation of the free standing kit to the mounting sur-face has to be considered carefully. Due to the shape of the flat plate collector consid-erab...

Technical manual Page 21 of 72 ST0133 – A 02/09 SOLAR col col spt spt tot m n m n m ⋅ − ⋅ = [4] Where: m tot [kg] minimum mass required n spt [-] number of supports in installation m spt [kg] mass for each support (see Figure 20) n col [-] number of collectors in installation m col [kg] mass of coll...

Technical manual Page 24 of 72 ST0133 – A 02/09 SOLAR 4.1.4 Technical data Figure 25 summarises the key technical data of the Dimplex SOLC220 solar thermal collector. Figure 25 – Technical data Dimplex SOLC220 collector 4.2 Dimplex solar control unit SOLCU1/2/3 4.2.1 General description Dimplex sola...

Technical manual Page 25 of 72 ST0133 – A 02/09 SOLAR A detailed description of the individual operation and function of the control units can be found in the respective installation and operating instructions. 4.2.2 Temperature sensors All Dimplex solar control units come with three PT1000 temperat...

Technical manual Page 27 of 72 ST0133 – A 02/09 SOLAR Figure 29 – Components of Dimplex solar pump unit SOLPU1 and SOLPU2 Pump unit connections (1, 2, 10 and 13) The SOLPU1 pump unit connections can be utilised in three different ways: - 3/4” flat seal at the end of corrugated stainless steel pipe -...

Technical manual Page 30 of 72 ST0133 – A 02/09 SOLAR Insulation cover (12) The insulation cover avoids unnecessary heat loss from the solar loop and gives the pump unit its aesthetically pleasing appearance. 4.3.2 Pump connection The connection of the circulation pump to the control unit has to be ...

Technical manual Page 32 of 72 ST0133 – A 02/09 SOLAR 4.4 Dimplex solar expansion vessels SOLEV 4.4.1 General description Dimplex solar offer an extensive range of expansion vessels from 18 to 80 litres. All expansion vessels are particularly suited for the application in solar thermal systems with ...

Technical manual Page 33 of 72 ST0133 – A 02/09 SOLAR The expansion volume of the system Vep can be calculated using Equation 7. β ⋅ = sys ep V V [7] Where: V ep [l] system expansion volume V sys [l] total system volume β [-] heat transfer medium expansion coefficient (0.00085) The pressure relief v...

Technical manual Page 35 of 72 ST0133 – A 02/09 SOLAR 4.4.3 Technical data Figure 35 – Technical data Dimplex SOLEV expansion vessels 4.5 Dimplex expansion vessel fixing kit SOLVK1 4.5.1 General description The expansion vessel fixing kit SOLVK1 aids with the installation, maintenance and de-commiss...

Technical manual Page 36 of 72 ST0133 – A 02/09 SOLAR It is not recommended to fit vessels larger than 24 litres using the expansion vessel fixing kit as faulty vessels gain considerably in weight and the wall bracket would not support the additional weight. The 500mm corrugated stainless steel hose...

Technical manual Page 37 of 72 ST0133 – A 02/09 SOLAR 4.6.2 Technical data Figure 38 – Technical data Dimplex solar heat transfer medium SOLHT20 4.7 Dimplex solar cylinders SCx 4.7.1 General description Dimplex offer a range of direct electric and indirect heated solar cylinders from 175 litre to 30...

Technical manual Page 39 of 72 ST0133 – A 02/09 SOLAR Figure 40 – Key features Dimplex solar cylinders SCx 4.7.2 Wiring integration Dimplex solar cylinders SCx There are several ways to integrate the Dimplex solar cylinders into an existing or a new central heating system. The principle plumbing and...

Technical manual Page 40 of 72 ST0133 – A 02/09 SOLAR Figure 41 – Auxiliary loop integration 2x motorised two port valve

Technical manual Page 42 of 72 ST0133 – A 02/09 SOLAR The integration of the solar thermal control and pump unit independent from manufac-turer nomenclature is shown in Figure 43. Figure 43 – Solar loop integration 4.7.3 Hydraulic integration Dimplex solar cylinders SCx Should the cylinder range of ...

Technical manual Page 43 of 72 ST0133 – A 02/09 SOLAR 4.7.4 Technical data Figure 44 – Technical data Dimplex solar cylinder SCx A L K M D/ N E F O J B C P I G H

Technical manual Page 44 of 72 ST0133 – A 02/09 SOLAR Figure 45 – Pressure drop Dimplex solar SCx cylinder coils 4.8 Dimplex solar accessories 4.8.1 General description To aid in the installation, commissioning, maintenance and the realisation of more com-plex systems Dimplex offer a range of access...

Technical manual Page 45 of 72 ST0133 – A 02/09 SOLAR 4.8.2 Corrugated flexible pipe SOLFH10/15 The Dimplex solar flexible corrugated stainless steel pipe includes: - high temperature and weather resistant insulation - integrated 2 core sensor cable - wall fixings - connection fittings from the coll...

Technical manual Page 46 of 72 ST0133 – A 02/09 SOLAR 4.8.3 Feed through tiles SOLFTT and SOLFTM The Dimplex solar feed through tiles are suitable for corrugated and plain tiles, slate roof coverings and sheet metal coverings depending on the type chosen: - SOLFTT: corrugated and plain tile, slate r...

Technical manual Page 47 of 72 ST0133 – A 02/09 SOLAR 5 System sizing 5.1 Required information The sizing of solar thermal systems depends on a number of factors which require the use of solar simulation software to allow reliable solar fraction predictions. The informa-tion required to reliably spe...

Technical manual Page 48 of 72 ST0133 – A 02/09 SOLAR Figure 50 – Dimplex solar initial sizing guide

Technical manual Page 49 of 72 ST0133 – A 02/09 SOLAR For an initial assessment the following sizing guide (Figure 50) can be used to discuss the feasibility of solar. It is however recommended, following the completion of the siz-ing guide to complete the On Site Questionnaire as shown in Figure 49...

Technical manual Page 50 of 72 ST0133 – A 02/09 SOLAR Figure 51 – Suitable pipe diameters for various collector field sizes 6.3 Pipe work pressure drop To be able to determine the suitability of the circulation pump it is important to be able to calculate the pressure drop of the pipe work. Figure 5...

Technical manual Page 51 of 72 ST0133 – A 02/09 SOLAR 6.5 Pipe work fixation When fixing the pipe work to the building structure a number of points should be con-sidered before choosing the fixation method: - temperature of liquid carried in pipes - sound transfer from pipe work into building struct...

Technical manual Page 52 of 72 ST0133 – A 02/09 SOLAR 7 Commissioning The commissioning of a Dimplex solar thermal system is a simple procedure as outlined in Figure 55. Figure 55 – Dimplex commissioning procedure Part 1

Technical manual Page 53 of 72 ST0133 – A 02/09 SOLAR Figure 55 – Dimplex commissioning procedure Part 2 8 Operation 8.1 Control unit In general the operation of the Dimplex solar thermal system is fully automatic and does not require any user intervention to ensure its efficient, safe and reliable ...

Technical manual Page 54 of 72 ST0133 – A 02/09 SOLAR - holiday and frost protection function - variable speed control of circulating pump Figure 56 – Display information and menu structure SOLCU1

Technical manual Page 55 of 72 ST0133 – A 02/09 SOLAR 8.2 Pump unit As for the whole system no manual intervention is required on the pump unit when the system is operating normally. However, the pump unit offers some useful information detailing the operational status of the solar system (see Figur...

Technical manual Page 57 of 72 ST0133 – A 02/09 SOLAR Figure 58 – Overall view Dimplex solar maintenance procedure

Technical manual Page 58 of 72 ST0133 – A 02/09 SOLAR 10 Product and kit listings The Dimplex solar product range is offered as kit or as individual components. The fol-lowing listings detail all the kits and the individual components available. 10.1 Dimplex solar kits The Dimplex solar kits are pac...

Technical manual Page 59 of 72 ST0133 – A 02/09 SOLAR Figure 60 – Dimplex solar components overall view

Technical manual Page 60 of 72 ST0133 – A 02/09 SOLAR 11 Dimplex literature structure Dimplex solar offers a range of literature to provide relevant information at all stages of the product life cycle from planning and design, installation and maintenance to opera-tion and troubleshooting. Figure 61...

Technical manual Page 61 of 72 ST0133 – A 02/09 SOLAR 12 Appendix 12.1 On site questionnaire

Technical manual Page 62 of 72 ST0133 – A 02/09 SOLAR 12.2 On site inspection

Technical manual Page 65 of 72 ST0133 – A 02/09 SOLAR 12.3 Dimplex solar system direct – overall view

Technical manual Page 66 of 72 ST0133 – A 02/09 SOLAR 12.4 Dimplex solar system indirect – overall view

Technical manual Page 67 of 72 ST0133 – A 02/09 SOLAR 12.5 Example Dimplex solar simulation report

Technical manual Page 72 of 72 ST0133 – A 02/09 SOLAR 13 Notes and sketches