Dimplex DIMPLEX SOLAR ST0133 manual

Page 1 of 72 ST0133 – A 02/09 SOLAR Technical Manual Complete guide to Dimplex Sola r[...]

Technica l manual Page 2 of 72 ST0133 – A 02/09 SOLAR 1 Contents 1 CONTENTS 2 2 BEFORE YOU START 4 G ENERAL 4 3 SOLAR THERMAL 4 3.1 I NTRODUCTION 4 3.2 S OLAR RADIATION 4 3.1.1 Avail able solar radi ation 4 3.1.2 Orie ntation 6 3.3 S OLAR THERMAL SYSTEM 8 3.3.1 Compone nts of a solar th ermal system 8 3.3.2 Functi on of a solar thermal syst em 10[...]

Technica l manual Page 3 of 72 ST0133 – A 02/09 SOLAR 4.8 D IMPLEX SOLAR ACCESSORIES 44 4.8.1 General description 44 4.8.2 Corrugated fle xible pipe SOLFH10/15 45 4.8.3 Feed th rough tiles SOLFTT and SOLFTM 46 5 SYSTEM SIZING 47 5.1 R EQUIRED INFORMATION 47 5.2 S IZING GUIDE 47 6 PIPE WORK 49 6.1 T YPE OF PIPE WORK 49 6.2 P IPE WORK SIZING 49 6.3[...]

Technica l manual Page 4 of 72 ST0133 – A 02/09 SOLAR 2 Before you start General Thank you for your inter est in Dimplex So lar produc ts. We tru st this manual wi ll give you all the answers to the questio ns that you migh t have regarding th e products. Al- though every c are was taken to ens ure the cont ent of this manua l is corr ect we do n[...]

Technica l manual Page 5 of 72 ST0133 – A 02/09 SOLAR in Figure 2, na mely dire ct, re flected and diffuse rad iation. The various types of radiation can occur in i solation but in most case s the radiation in cident on a solar therma l collec- tor is a comb ination th ereof. Figure 2 – Forms of incident solar radiation The solar rad iation ava[...]

Technica l manual Page 6 of 72 ST0133 – A 02/09 SOLAR Figure 3 – UK and Ireland irradiat ion 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 abov e, depending on th e orientation and inclination of the solar collector the in cident radia tion [...]

Technica l manual Page 7 of 72 ST0133 – A 02/09 SOLAR Figure 4 – Terminology to des cribe location and orientation of s olar thermal panel Figure 5 – Effect of orientation on incident radiation levels L a t i t u d e L o n g i t u d e S W N E Zenith Slope Azimuth S U N[...]

Technica l manual Page 8 of 72 ST0133 – A 02/09 SOLAR Although the location of the solar th ermal system can be described using the longi tude and latitud e of the insta llation, i n practise the locality i s being used to determine th e location of the system. The effect o f the orien tation on th e incident solar radiation levels can b e seen f[...]

Technica l manual Page 9 of 72 ST0133 – A 02/09 SOLAR Each compone nt in the solar thermal sy stem fulf ils a specific func tion which is described below: Solar the rmal collec tor The solar th ermal co llector receive s the sola r radiation , conver ts it in to therma l energy and passes it on to the h eat transfer fluid. Heat transfer flu id Th[...]

Technica l manual Page 10 of 72 ST0133 – A 02/09 SOLAR User The user varies from insta llation to installa tion but has a big inf luence on the operatio n of the solar thermal sys tem. However, the syste m has all component s to ensure the provision of the comfor t levels that the u ser expects. 3.3.2 Function of a solar thermal system Bearing in[...]

Technica l manual Page 11 of 72 ST0133 – A 02/09 SOLAR A more detailed description of the function of the individual compo nents follow s in Chapter 4, Dimplex solar products. 4 Dimplex solar products The following sec tion details the product featur es and relevant technical da ta of the componen ts of the Dimplex s olar offering. Where applicab[...]

Technica l 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 c ollector effi ciency η 0 [-] optical collector effic iency/zero loss coefficient a 1 [W/m²/K] linear he at loss coeffi cient a 2 [W/m²/K²] squared heat loss co efficient G [W/m²] global inciden[...]

Technica l manual Page 13 of 72 ST0133 – A 02/09 SOLAR Figure 10 – Thermal efficiency curve Dimplex SOLC220 flat plate collector Figure 10 shows tha t the higher the temp erature difference be tween the collector mod- ule and the ambient is , the lower is the effici en cy of the prod uct. Due to the require d operating co nditions o f various a[...]

Technica l manual Page 14 of 72 ST0133 – A 02/09 SOLAR - collector d esign - collector pressure drop - flow rate - required system ou tput Figure 11 show s the Dimplex SOLC220 collector wi th the pipe work attached to t he ab- sorber plate indicated . Figure 11 – Absorber pipe work Dimplex SOLC220 collector From Figure 1 1 it can be s een that [...]

Technica l manual Page 15 of 72 ST0133 – A 02/09 SOLAR The flow and retur n of the collec tor are connected using a 800 mm long insulated corru - gated stainles s steel flexib le hose (9.1) . The intercon nections co nsist of shor t flexible bellows (10.1) . The remaini ng connections ar e to be blanked off using the blanking pieces (9.2) . The c[...]

Technica l manual Page 16 of 72 ST0133 – A 02/09 SOLAR An overall v iew of possibl e collecto r connec tions is g iven in Figure 1 4 detailing a lso the pressure drop at nominal low-flow and high -flow flow rates. Figure 14 – Collector connection o ptions, flow rates and pre ssure drop 2 3 4 5 6 7 No. of co llector s 1 8 9 10 Flow rate [l/min ][...]

Technica l manual Page 17 of 72 ST0133 – A 02/09 SOLAR Although on ly the ver tical coll ector orie ntation is shown, the same pri nciples can b e applied to the hori zontal collec tor installati on. The same applies fo r the positioning of the flow and return, it can be chang ed from left to right hand side a s long as t he senso r (indicated by[...]

Technica l manual Page 18 of 72 ST0133 – A 02/09 SOLAR On roof kits The on roof kits come as basic and extensio n kit. The basic kit has to be ordered for each first coll ector of a colle ctor field, th e extensio n kit for each additional co llector in the installa tion. Figure 17 – On roof mounting options As detailed in Fig ure 16 the on ro [...]

Technica l 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 v ert ical inst allation of the sol ar collector on even ground with a s lope of 45° to 60°. For lower sloping an gles sh orted support struts [...]

Technica l manual Page 20 of 72 ST0133 – A 02/09 SOLAR Figure 19 – Free standing kit ro w distance calculation details In addition to the row dista nce the fixation of the free standing kit to the mounting su r- face has to be considered careful ly. Due to the shape of the fla t plate coll ector consid- erable wind forces can a ct on the free s[...]

Technica l 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] mini mum mass required n spt [-] number of support s in installation m spt [kg] mass for each support (see Figure 20) n col [-] numb er of collectors in in stallation m col [kg] mass of collector (SO LC220 = 34.5 kg) Figure 20 [...]

Technica l manual Page 22 of 72 ST0133 – A 02/09 SOLAR 4.1.4 Space requirem ent Depending o n the mount ing method t he foot prin t required by the solar coll ector inst al- lation varies. The dime nsion fo r the on roof and free stand ing mounting kits do not in - clude the space requir ed to fit the conn ection pipes as th ese vary depending on[...]

Technica l manual Page 23 of 72 ST0133 – A 02/09 SOLAR Figure 24 – Space requirement Dimplex SOLC220 free standing installation[...]

Technica l manual Page 24 of 72 ST0133 – A 02/09 SOLAR 4.1.4 Technical data Figure 25 summarises the key t echnical d ata of the Dimpl ex SOLC220 solar th ermal collector. Figure 25 – Technical data Dimplex SOLC220 collector 4.2 Dimplex solar con trol unit SOLCU1/2/3 4.2.1 General descri ption Dimplex solar offer a range of solar control uni ts[...]

Technica l manual Page 25 of 72 ST0133 – A 02/09 SOLAR A detailed description of the in dividual operation and function of the cont rol units can be found in the respective installa tion and operating instructions. 4.2.2 Temperature sensor s All Dimplex solar cont rol units come wit h three PT1000 temperat ure sensors which can be extended as req[...]

Technica l manual Page 26 of 72 ST0133 – A 02/09 SOLAR 4.2.3 Technical data The main f eatures of the Dimplex so lar control un its SOLCU1/2 /3 are summar ised in Figure 28. Figure 28 – Technical data overall view Dimplex solar control unit s SOLCU1/2/3 4.3 Dimplex solar pu mp unit SOLPU1/2 4.3.1 General descri ption The Dimplex s olar pump uni[...]

Technica l manual Page 27 of 72 ST0133 – A 02/09 SOLAR Figure 29 – Components of Dimpl ex solar pump unit SOLPU1 and SOLPU2 Pump unit connections (1, 2, 10 an d 13) The SO LPU1 pum p unit connecti ons can be utilised in thre e different ways: - 3/4” flat sea l at the end of corrugated stainless steel pipe - 3/4”F x 22mm straight connection [...]

Technica l manual Page 28 of 72 ST0133 – A 02/09 SOLAR flexible hose SOLFH1 0/15 is DN1 6 and on ly provide s ¾” conne ctions. Sh ould this pr od- uct be applied to the SOLPU2 a 1” to ¾” reducer has to be provided wi th sufficient sea l- ing surface for the flat seal to sit agains t. The 1”F x 22mm or 1”F x 28mm straight con- nection [...]

Technica l manual Page 29 of 72 ST0133 – A 02/09 SOLAR The centre valve of the flush and fill point is being u sed to adjust the flow rate if re- quired. Figure 30 - Pump characteri stics and pump unit pre ssure drop SOLPU1 and SOL PU2 Expansion vessel fixing kit (8) The expansion vess el fixing kit is not part of th e sc ope o f de liv er y of t[...]

Technica l manual Page 30 of 72 ST0133 – A 02/09 SOLAR Insulation cov er (12) The insulation cover avoids unnecessary he at loss from the solar loop and gives t he pump unit its aesthe tically pleasing appearance. 4.3.2 Pump connection The connectio n of the circulation p ump to the co ntrol unit has to be consider ed in its application for: - op[...]

Technica l manual Page 31 of 72 ST0133 – A 02/09 SOLAR Should the abo ve conditions not be given, the mo torised two port valve has to be in- stal led in se ries to the twin thermost at. 4.3.3 Technical data Figure 32 – Technical data Dimple x solar pump unit SOLPU1 and SOLPU2[...]

Technica l manual Page 32 of 72 ST0133 – A 02/09 SOLAR 4.4 Dimplex solar expansion vessels SOLEV 4.4.1 General descri ption Dimplex solar offer an extensive range of expansion vesse ls from 18 to 80 lit res. All expansion v essels are part icularly su ited for the a pplicat ion in solar thermal sy stems with a high temperature resistant membra ne[...]

Technica l manual Page 33 of 72 ST0133 – A 02/09 SOLAR The expansion volum e of the system V ep can be calcula ted using Equation 7. β ⋅ = sys ep V V [7] Where: V ep [l ] system expan sion volume V sys [l] tota l system v olume β [-] heat transfer m edium expans ion coeffic ient (0.00085) The pressure relief valv e pressure p rv can as first [...]

Technica l manual Page 34 of 72 ST0133 – A 02/09 SOLAR EV pc EV pc mp V V V p p − ⋅ = [10] Where: p mp [bar] me mbrane pressure p pc [bar] cold fill pressur e V EV [l] expansion vess el volume V pc [l] pre-charge volume The expansion vesse l membrane pressur e p mp has to be adjusted before the sy stem is being filled and pressurised. Once th[...]

Technica l manual Page 35 of 72 ST0133 – A 02/09 SOLAR 4.4.3 Technical data Figure 35 – Technical data Dimple x SOLEV expansion vessels 4.5 Dimplex expansion vessel fixing kit SOLVK1 4.5.1 General descri ption The expansion vessel fixing k it SOLVK1 aids with the installatio n, maintenan ce and de- commissioning of the solar therma l system. Th[...]

Technica l manual Page 36 of 72 ST0133 – A 02/09 SOLAR It is not reco mmended to fit vesse ls larger than 24 litre s using the ex pansion vess el fixing kit as f aulty ves sels gain co nsiderably in w eight and th e wall bracket wo uld not support the additiona l weight. The 500mm corru gated stainl ess steel hose all o ws the expansion vess el t[...]

Technica l manual Page 37 of 72 ST0133 – A 02/09 SOLAR 4.6.2 Technical data Figure 38 – Technical data Dimple x solar heat transfer medium SOLHT20 4.7 Dimplex sol ar cylinders SCx 4.7.1 General descri ption Dimplex offer a range of direct electric and in direct heated sola r cylinders from 175 litre to 305 litre ove rall volume. An overall view[...]

Technica l manual Page 38 of 72 ST0133 – A 02/09 SOLAR Figure 39 – Overall view Dimpl e x solar SCx unvent ed stainless steel cylinders SCx175/215/255/305sd SCx175/215/255/305si 18 01 02 03 04 05 07 08 09 10 11 12 13 14 15 16 17 18 01 02 03 04 05 07 12 13 14 15 16 17 06[...]

Technica l 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 Dimp lex sola r cylinders into an existing or a new central heat ing system. The princip le plumbing and wiring sch ematics are shown for two sys[...]

Technica l manual Page 40 of 72 ST0133 – A 02/09 SOLAR Figure 41 – Auxiliary loop integration 2x motoris ed two port valve[...]

Technica l manual Page 41 of 72 ST0133 – A 02/09 SOLAR Figure 42 - Auxiliary loop integration 1x motoris ed two port valve and mid- position valve[...]

Technica l manual Page 42 of 72 ST0133 – A 02/09 SOLAR The integrat ion of the solar ther mal contro l and pump unit indep endent from manuf ac- 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 175 to 305 litre s no t be suffici ent,[...]

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

Technica l manual Page 44 of 72 ST0133 – A 02/09 SOLAR Figure 45 – Pressure dr op Dimplex solar SCx c ylinder coils 4.8 Dimplex solar accessories 4.8.1 General descri ption To aid in th e installa tion, co mmissioning , maint enance and the r ealisation of more co m- plex systems Dimplex offer a range of ac cessories as summaris ed in Figure 46[...]

Technica l manual Page 45 of 72 ST0133 – A 02/09 SOLAR 4.8.2 Corrugated flexible pipe S OLFH10/15 The Dimplex so lar flexible corrugated stainless steel pipe incl udes: - high tempera ture and weat her resist ant insul ation - integrated 2 co re sensor cable - wall fixings - conn ection fittings fro m the collector to the pump unit and from the p[...]

Technica l manual Page 46 of 72 ST0133 – A 02/09 SOLAR 4.8.3 Feed through tiles S OLFTT and SOLFTM The Dimplex solar fee d thro ugh tiles are suit able for corrugated an d plain tiles, slate roof coverings and sheet m etal coverings de pending on the type c hosen: - SOLFTT: corrugated and pla in tile, slate roof covering - SOLFTM: sheet metal roo[...]

Technica l manual Page 47 of 72 ST0133 – A 02/09 SOLAR 5 System sizing 5.1 Required inform ation The sizing of solar therma l systems depe nds on a number of factors whic h require the use of solar simulation software to allow re liabl e solar frac tion pred ictions. T he infor ma- tion required t o reliably specify a domestic solar therma l hot [...]

Technica l manual Page 48 of 72 ST0133 – A 02/09 SOLAR Figure 50 – Dimplex solar initial sizing guid e[...]

Technica l manual Page 49 of 72 ST0133 – A 02/09 SOLAR For an initial a ssessme nt the followi ng sizing guide (F igure 50) can be used to discus s the feasi bility of solar. It is however recommended, following the comple tion of the siz- ing guide to complete the On Site Questio nnaire as shown in Figure 49 and Appendix 11.1 to valida te the in[...]

Technica l manual Page 50 of 72 ST0133 – A 02/09 SOLAR Figure 51 – Suitable pipe diamet ers for various collector fi eld sizes 6.3 Pipe work pressure dr op To be able to determine the suitab ility of the circu lation pump it is important to be able to calculate the pressure drop of the pipe work. Figure 52 summarises the approximate pressure dr[...]

Technica l manual Page 51 of 72 ST0133 – A 02/09 SOLAR 6.5 Pipe work fixation When fixing th e pipe work to the bui lding structur e a number of points shou ld be con- sidered before choosing the fixation method: - temperature of liquid carried in pipe s - sound transfer from pipe work into building structure - therma l expansion a nd contract io[...]

Technica l manual Page 52 of 72 ST0133 – A 02/09 SOLAR 7 Commissioning The commis sioning of a Dimp lex solar ther mal sys tem is a simple proced ure as outl ined in Figure 55. Figure 55 – Dimplex commissioning procedure Part 1[...]

Technica l 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 o f the Dimp lex solar ther mal syste m is fully auto matic and does not require any user interven tion to ensure it s efficient, safe and reliable operati on. However, the solar control[...]

Technica l manual Page 54 of 72 ST0133 – A 02/09 SOLAR - holiday and frost pr otection func tion - variable speed control of circulating pump Figure 56 – Display information a nd menu structure SOL C U1[...]

Technica l manual Page 55 of 72 ST0133 – A 02/09 SOLAR 8.2 Pump unit As for the whole syst em no manual interventio n is required on t he pump unit w hen the system is oper ating normally. However , the pump unit offers some useful information detailing th e operational sta tus of the solar syst em (see Figure 5 7): A: current flow rate: to be se[...]

Technica l manual Page 56 of 72 ST0133 – A 02/09 SOLAR Check conten t discharge vessel Should any heat tra nsfer medium be deposi ted in the discharge vesse l which was not there from the beginning, th e ca use is to be establ ished. Check roof feed-through for leaks The points at which the pipe work penetr ates the primary and secondary protecti[...]

Technica l manual Page 57 of 72 ST0133 – A 02/09 SOLAR Figure 58 – Over all view Dimplex solar maint enance procedure[...]

Technica l 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 th e individua l component s available. 10.1 Dimplex solar ki ts The Dimplex solar kits are packaged in such a way that all the required [...]

Technica l manual Page 59 of 72 ST0133 – A 02/09 SOLAR Figure 60 – Dimplex solar compo nents overall vie w[...]

Technica l manual Page 60 of 72 ST0133 – A 02/09 SOLAR 11 Dimplex literature structure Dimplex solar offers a range of literature to pr ovide relevant information at all stages of the product lif e cycle from planning an d desi gn, in stallat ion and mainten ance to op era- tion and troubleshooting. Figure 61 summa ri ses the available document s[...]

Technica l manual Page 61 of 72 ST0133 – A 02/09 SOLAR 12 Appendix 12.1 On site ques tionnaire[...]

Technica l manual Page 62 of 72 ST0133 – A 02/09 SOLAR 12.2 On site inspection[...]

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Technica l manual Page 65 of 72 ST0133 – A 02/09 SOLAR 12.3 Dimplex solar sy stem direct – overall view[...]

Technica l manual Page 66 of 72 ST0133 – A 02/09 SOLAR 12.4 Dimpl ex solar system i ndirect – overall vie w[...]

Technica l manual Page 67 of 72 ST0133 – A 02/09 SOLAR 12.5 Example Dimple x sola r simulation report[...]

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Technica l manual Page 72 of 72 ST0133 – A 02/09 SOLAR 13 Notes and sketches[...]