TUBO II C, TUBO II T Flat roof and façade installation Application
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TECHNICAL DOCUMENTATION TUBO II C, TUBO II T Flat roof and façade installation Application Advantage • Solar heating support and water heating • Very high efficiency and yields in the winter half-year • Process heat • Low weight with 18 kg (T) and 18 kg (C) • Single and multi-family houses • Modular system: needs-based fields through small • On-roof installation (see other document) modules that can be optically connected to a field • Flat roof / façade installation • Low space requirement on the roof • High reliability through proven components • Very good ecological balance due to low embodied carbon • Good integration and shapely design due to very flat design • Consolar grants a 5-year warranty TDMA722EN_TUBOII_flat-roof_2017_11_20_2017_03_14_obps
6.1 Fitting telescopic rails ..........................................14 Content 6.1.1 Selecting mounting holes .....................................14 1 Key to symbols and safety instructions ... 3 6.1.2 Fitting telescopic rails ..........................................14 1.1 Key to symbols .....................................................3 6.2 Collector support clearances ................................14 1.1.1 Warnings ............................................................3 6.3 Fitting the collector supports on a flat roof ............15 1.1.2 Important information ...........................................3 6.3.1 Base anchor .......................................................16 1.2 General safety instructions ....................................3 6.3.2 Ballast troughs ....................................................16 2 Information about the collector and its 6.3.3 Securing with ropes ............................................16 accessories.............................................. 3 7 Façade installation ................................ 17 2.1 Collector ..............................................................3 8 Horizontal installation .......................... 18 2.1.1 Specifications .......................................................4 9 Fitting the profile rails ........................... 19 2.2 Product data for energy consumption .....................5 9.1 Connecting profile rails .......................................19 2.3 Determined use ....................................................5 9.2 Installing the profile rails .....................................19 2.4 Accessories ..........................................................6 9.3 Aligning the profile rails ......................................19 2.5 EU Declaration of Conformity ................................6 9.4 Fitting the anti-slip protectors ...............................19 2.6 Components and technical documentation ..............6 10 Installing the collectors ......................... 20 2.7 Scope of delivery .................................................6 10.1 Collector installation ...........................................20 2.7.1 Collector installation set ........................................7 10.1.1 Fit one-sided collector clamps on the left ..............20 2.7.2 Connection set .....................................................8 10.1.2 Placing the first collector on the profile rails .........20 2.7.3 Collector with interconnection set ...........................8 10.1.3 Inserting a double sided collector clam ................21 3 Regulations ............................................ 9 10.1.4 Fitting the second collector .................................21 3.1 Validity of regulations ...........................................9 10.1.5 Fitting single sided collector clamps on the right 3.2 Standards, regulations, directives ..........................9 hand side .........................................................22 4 Transport................................................. 9 10.2 Prepare the collector temperature sensor ..............22 5 Before installation ................................ 10 11 Hydraulic connection ............................ 23 5.1 General notes ....................................................10 12 Final steps ............................................ 24 5.2 Collector layout ..................................................10 12.1 Flushing, venting and leak testing ........................24 5.3 Collector angle of incidence ................................12 12.2 Checking the installation .....................................24 5.3.1 Determining the range of incidence ......................12 12.3 Install intermediate reflector (accessories) .............24 5.3.2 Determining the angle of incidence and angle of 12.4 Installing the end cap and intermediate panel .......25 inclination on pitched roofs ................................12 12.5 Insulating the connection lines and pipework ........25 5.4 Space required on roof .......................................12 12.6 Removing the collector film ..................................25 5.4.1 Determining the clearance between rows of 13 Cleaning the collectors .......................... 26 collectors ..........................................................12 14 Environmental protection and disposal... 26 5.4.2 Determining the space required ...........................13 15 Maintenance/inspection......................... 26 5.5 Lightning protection ............................................14 5.6 Required tools and materials ...............................14 5.7 Installation sequence ...........................................14 6 Fitting the collector supports.................. 14 2
Key to symbols and safety instructions 1 Key to symbols and safety Collector storage The collectors and the installation material may cause burns instructions when exposed to solar radiation. >> Protect the collectors and installation material from solar exposure. 1.1 Key to symbols >> Store the collectors in dry conditions; if stored outside, use a rain cover. 1.1.1 Warnings >> Do not stand on the collectors. Warnings in this document are identified by a warning triangle printed against a grey Work on the roof background. Keywords at the start of a warning There is a danger of falling when working on the roof if indicate the type and seriousness of the ensuing measures are not taken to prevent accidents. risk if measures to prevent the risk are not taken. >> If there is not any independent anti-fall safety device, wear personal protective equipment or safety equipment. The following keywords are defined and can be used in this document: >> Observe accident prevention regulations. • NOTICE indicates a situation that could result in dama- Load bearing capacity of the roof ge to property or equipment. >> Only install collectors on roofs with sufficient load bea- • CAUTION indicates a situation that could result in ring capacity. minor to medium injury. >> If in doubt, consult a structural engineer and/or roofer. • WARNING indicates a situation that could result in severe injury or death. Handover to the user • DANGER indicates a situation that will result in severe When handing over the solar system, explain the operating injury or death. conditions to the user. >> Explain the operation—with particular emphasis on all 1.1.2 Important information safety-related actions. This symbol indicates important information >> Explain that conversions and repairs must only be carried where there is no risk to people or property. out by an approved contractor. >> Point out the need for inspections and maintenance for safe and environmentally-compatible operation. >> The installation and operating instructions must be given 1.2 General safety instructions to the user for safekeeping. This involves: These installation instructions are intended for gas fitters --Keeping the instructions in a visible place, protected and plumbers. from heat, water and dust. >> Read the installation instructions (collector, solar pump --Passing them on to subsequent owners/users. station, solar controller, etc.) before installation. >> Observe safety instructions and warnings. 2 Information about the collector >> Observe national and regional regulations, technical rules and guidelines. and its accessories >> Keep a record of any work carried out. The vacuum tube collectors TUBO II C (with CPC-reflector) and T (without CPC-reflector) are referred to as „collectors“ Determined use for short in these instructions. The collectors are designed to produce heat in solar thermal systems. The installation set is exclusively designed for the 2.1 Collector safe installation of collectors. The vacuum tube collector has six twin-wall glass tubes with >> Only operate collectors in fail-safe sealed unvented solar vacuuminsulated interiors. A temperature sensor is installed systems (exclusion of oxygen). on each collector which is accessible after the cover [6] is >> Only operate collectors with suitable solar controllers. removed. >> Do not place objects on top of the collector. 3
Key to symbols and safety instructions TUBO C (with TUBO T (without 2.1.1 Specifications reflector) reflector) Collector angle greater than 24° less than 25° TUBO C TUBO T Tab. 1 Recommended use Certificates (CE marking, Solar Keymark) 1 3 Length 1947 mm 2 Width 624 mm Height 85 mm Collector connection (nominal DN 15 diameter) Absorber capacity (VFl) 0,851 4 Total collector area (gross 1,22 m2 5 area, AGr) 6 Absorber area (net area, AAb) 1,07 m2 0,39 m2 Maximum heat output (Pmax) at 650 W1) 362 W 6720816962-03.1ST 1000 W/m2 Fig. 1 TUBO II C Aperture area (area on which 0,98 m2 2) 0,46 m2 [1] CPC (not in TUBO II T); [2] Pipe register; [3] Vacuum tube; the usable sunlight falls, AAp) [4] Collector connection, flow (hot, red transport protection); [5] Collector connection, return (cold, blue transport protec- Net weight excluding pa- 18 kg tion); [6] Access to the collector temperature sensor ckaging (m) permissible collector operating 1 10 bar pressure (pmax) permissible collector angle 25-90° 0-90° Tab. 2 Technical data 1) Additional 66 W per intermediate reflector 2) Additional 0.1 m2 between two collectors (accessory: intermedi- ate reflector) 2 5 3 1947 4 6720816962-06.1ST Fig. 2 Collector hydraulic system and data plate [1] Data plate on the outside of the collector casing; [2] Pipe register; [3] Flow to the cylinder [4] Collector temperature sensor, pre-mounted; [5] Return from the cylinder 624 85 6 720 818 573-03.1T Fig. 3 Collector dimension 4
Key to symbols and safety instructions mbar >> Only remove the protective film from the collector after commissioning. 400 >> Commission the solar system with 4 weeks of fitting the 350 collectors. 300 Permissible types of roof 250 These instructions describe the installation of collectors on 200 flat roofs and walls. 150 >> Only use the installation set on such roofs. 100 Permissible roof slopes (see Tab. 1, page 4) 50 >> Install the installation set with flat roof frames only on flat 0 roofs or those with a shallow pitch up to 25 °. 0 10 20 30 40 50 60 70 V [l/h] 6720816963-40.1 ST Collector supports and profile rails Fig. 4 Collector pressure drop (measured with heat transfer medium >> When installing collectors on a flat roof: Never use LS at 50 °C) the collector supports to secure other parts of the roof structure. 2.2 Product data for energy consumption >> When installing collectors on a wall: only mount the pro- The following product data satisfy the requirements of file rails on walls with sufficient load-bearing capacity. the EU Regulations No. 811/2013 and No. 812/2013, Permissable loads 813/2013 and 814/ 2013 supplementing Directive 2010/30/EU. >> Only install collectors in locations with lower values than those shown in the following. If required, consult a struc- Product data Symbol Unit TUBO C TUBO T tural engineer. Collector The installation set is suitable for the following maximum Asol m2 0,98 0,46 aperture area loads: Collector • maximum snow load on the floor after DINEN 1991-1- efficiency % 61 64 3: 2.0 kN/m2 col (∆T=40 K) • maximum wind speed to corresponding to DIN EN 1991-1 -4 of up to 129 km/h (corresponding to a Zero-loss 1) 0,663 0,787 backpressure of 0.8 kN/m2) efficiency 0 >> To determine the maximum wind speed, take into account First-order W/ a1 1) 0,782 2,99 the following factors: coefficient (m2K) --Location of the thermal solar system Second-order W/ a2 1) 0,012 0,015 --Geographical height of the terrain coefficient (m2K2) --Topography (terrain/buildings) Incidence --Height of building Angle Mo- IAM 1,00 1,27 The maximum snow load is calculated using regional zones difier (snow load zones) and the ground level elevation. Tab. 3 Performance data 1) Reference: Aperture area >> Find out the local snow load (see relevant local data). With angled roofs: Prevent an accumulation of snow above 2.3 Determined use or on the collector: >> Fit a snow guard above the collector. The installation set is exclusively designed for the safe mounting of collectors. - or - >> Never modify components. >> Regularly clear snow build-up. To prevent additional snow loads, see also: „Height diffe- Collector protection rentials in roofs“ on page 10. >> To protect the collectors against damage through frost and corrosion, operate them with LS solar heat transfer medium. 5
Key to symbols and safety instructions Other applicable instructions and important information 2.6 Components and technical documentation The installation and maintenance instructions for the solar A thermal solar system is designed to heat domestic hot pump station include vital information regarding the use of water (DHW) and can also provide central heating backup vacuum tube collectors in a solar thermal system. Observe where required. It is made up of various components which particularly the information on the following subjects: also include installation instructions. Further instructions • Never braze pipework near the collectors. may be found with the accessories. • If the system is used for central heating backup or covers more than 60 % of the DHW demand, install an 1 intermediate vessel upstream of the expansion vessel. • Install the expansion vessel (EV) in the return line cor- responding to the technical documentation of the solar pump station. 4 • Flush and fill the system with LS solar heat transfer me- dium under pressure (never use water, as the collectors 3 2 cannot be drained). Consequently, there is no need for an air vent valve above the roof. • Depending on the storage type, the volumetric flow rate for Consolar solar systems should be set to between 15 and 25 l / h per m2 of collector surface area (see the technical documentations of the Consolar storage tanks). • Adjust the following values according to the installation 6720816962-05.1ST and maintenance instructions of the solar pump station: Fig. 5 Components of a solar system --Pre-charge pressure for the expansion vessel [1] Collectors; [2] Solar pump station with expansion vessel, temperature and safety equipment; [3] Solar cylinder; [4] Solar --Operating pressure. controller • The clearance between the solar pump station (expan- sion vessel connection) and the bottom edge of the 2.7 Scope of delivery collector array must be at least 2 m. >> Check that the delivered material is complete and unda- • The minimum pipe length (single length) between the maged. solar pump station (expansion vessel connection) and the collector array must be at least 10 m. 2.4 Accessories The pricelist includes a current and complete overview. 2.5 EU Declaration of Conformity The design and operation of the collectors conform to the European Directives and supplementary national require- ments. Its conformity is demonstrated by the CE marking. The Declaration of Conformity can be requested from the manufacturer (see the back cover for the address). 6
Key to symbols and safety instructions 2.7.1 Collector installation set 1 2 3 4 5 7 6 6720816963.01-1.ST Fig. 6 Installation set for 4 collectors (grey: expansion for 2 collectors) Installation set, standard version1) for Installation set, expansion for No. Component 2 collectors 3 collectors 2 collectors 3 collectors 1 Single-side collector clamp 4 4 - - 2 Screw M8 × x 20 and nut M8 4 4 4 4 3 Double-sided collector clamp 2 4 4 6 4 Horizontal profile rail2) 2 2 2 2 5 Profile rail joiner - - 2 2 6 Collector brace 2 2 2 2 7 Anti-slip protector 4 6 4 6 Tab. 4 Number of components per set 1) Per collector row 2) For 2 collectors: 1254 mm long, for 3 collectors: 1874 mm long 7
Key to symbols and safety instructions 2.7.2 Connection set 7 6 8 5 9 1 10 2 4 3 6720816963-02.1ST Fig. 7 1 on-roof connection set and 2 interconnection sets 2.7.3 Collector with interconnection set No. Connection set for 1 row of collectors Qty 1 Hydraulic plug-in connector 2 2 Elbow with compression fitting 18 mm 2 8 9 3 Clips 4 4 Cap 2 5 Cover (1 x left, 1 x right) 2 10 6 Installation and maintenance instructions 1 7 5 mm Allen key 1 Tab. 5 Connection set 6720816963-35.1ST Fig. 8 Collector and individual parts in the packaging No. Collector with interconnection set Qty 8 Intermediate panel 1 9 Hydraulic plug-in connector 2 10 Clip 2 Tab. 6 Individual parts in the collector packaging 8
Regulations WARNING: Risk of injury through 3 Regulations glass splinters. >> When handling collectors, always wear safety gloves and goggles. 3.1 Validity of regulations The collector transport protection contains im- >> Observe updated regulations or supplements. These portant components (see Fig. 8, page 8). regulations also apply at the time of installation. 3.2 Standards, regulations, directives >> Only remove the transport packaging after the collector Observe all standards and guidelines applicable to the has been installed. installation and operation of the system in your country and >> Dispose of shipping packaging by environmentally res- region. ponsible means. Technical regulations applicable in Germany for the instal- lation of collectors: • Rooftop installation: --DIN 18338, VOB, Part C1): Roof covering and roof sealing work --DIN 18339, VOB, Part C: Plumbing work --DIN 18451, VOB, Part C: Scaffolding work --DIN EN 1991: Actions on structures • Connection of thermal solar systems: --EN 12976: Thermal solar systems and components (preassembled systems) --EN 12977: Thermal solar systems and components 6720816962-43.1ST (custom built systems) Fig. 9 Use two people to carry the collector --DIN 1988: Technical Regulations for Drinking Water NOTICE: Collector damage from im- Installations (TRWI) proper transport. • Electrical connection: >> Do not connect any straps, belts, etc. to the --DIN EN 62305 Part 3 / VDE 0185-305-3: Protection collector connections. against lightning, injury and structural damage 1) VOB: German Construction Contract Procedures, Part C: General >> To make it easier to transport the collectors and the instal- technical specifications in construction contracts (ATV) lation materials, the following assembly aids, which have 4 Transport sufficient loadbearing capacity, can be used: --Lifting belt DANGER: Risk to life by falling from --Roofing ladder or equipment for sweeping chimneys roof! --Lean-to lift >> Never use a ladder to move components to --Scaffolding the roof because the installation material and collectors are heavy and difficult to handle. >> Whilst working on the roof, take all necessary precautions against a possible fall. >> If there are no general anti-fall safety devices available, wear personal protective equip- ment. WARNING: Risk of injury through falling parts! >> During transport, secure the collectors and installation materials to prevent them falling. 9
Before installation >> Prevent shading of the collector array through adjacent 5 Before installation buildings, trees, other collector rows, etc. 5.1 General notes WARNING: Risk of burns due to hot parts! If the collector and installation material are ex- posed to solar exposure for prolonged periods of time, they may cause burns! >> Protect yourself with personal protective equipment. 6720816963-04.1ST >> Protect the collector and installation material Fig. 11 Avoid shading from solar exposure. We recommend that you engage the services of Height differentials in roofs a roofing contractor, as they are experienced in Where there are height differentials in the roof, snow loads working on roofs and will be aware of the risk must be prevented from sliding down from a roof slope of of falling. > 15°. The length of the additional load through sliding snow loads results from the height differential (see Fig. 12): >> Obtain information about on-site conditions and local ls = 2 × h regulations. >> Avoid installing collectors within the ls area below height >> Arrange collectors in the optimal position on the roof. For differentials. this, pay particular attention to the following: >> In case of installation below a height differential: --Align the collector array facing as close to south as --Fit a snow guard to the higher roof area. possible (see Fig. 10). --Observe additional loads during the installation. --Align the collector array so that it is in line with win- dows, doors etc. (see Fig. 10). --Avoid potential shading (see Fig. 11. --Prevent height differentials (see Fig. 12). --Hydraulic connection to the pipework (see chapter 11, page 23). --Take the space required on the roof into account (see chapter 5.4, page 12). --Align the collector array on angled roofs parallel to the ridge (no side slopes). W N 6720816963-05.1ST Fig. 12 Collector arrangement with changes in height [1] Additional loads through sliding snow; [2] Standard snow load; [ ] Roof pitch; [h] Height differential; [ls] Length of the additional load 5.2 Collector layout Refer to the technical guide for stores and controller for S 6720816963-03.1ST detailed information on designing the system hydraulics Fig. 10 Collector arrangement and components. >> Plan the routing of the collector sensor lead so that the collector temperature sensor can be used in the collector to which the flow [3] has been connected. 10
Before installation 1 2 3 6720816962-09.1ST 6720816962-12.1ST Fig. 13 Permissible layout and orientation Fig. 17 Maximum of 14 collectors, with connections on the same side [1] Collector temperature sensor always in the collector to on the right or left (2 rows) which the flow has been connected; [2] Return (cold, from the storage tank, blue transport protection); [3] Flow (hot, to the storage tank, red transport protection) 1 6720816962-10.1ST Fig. 14 Maximum of 14 collectors, connection on the same side, right or left (1 row) 6720816962-13.1ST Fig. 18 Maximum of 14 collectors, connection on the same side, right or left (2 rows) 1) Shut-off valve for pressure (separate for each collector row) 6720816962-27.1ST 1 Fig. 15 Maximum of 14 collectors, connection on alternate sides (1 row) 6720816962-28.1ST Fig. 19 Maximum of 14 collectors per row (connected in parallel) 1) Control valve for hydraulic balancing (separate for each 6720816962-11.1ST collector row) and shut-off valve for pressure filling Fig. 16 Maximum of 14 collectors, connection on the same side, right or left (2 rows) 11
Before installation 5.3.2 Determining the angle of incidence and angle of inclination on pitched roofs On roofs with a slight inclination towards the south: 1 Angle of inclination [2] = Angle of incidence [1] - Roof slope [3] On roofs with a slight inclination towards the north: Angle of inclination [2] = Angle of incidence [1] + Roof slope [3] 6720816962-29.1ST Fig. 20 Maximum of 14 collectors per individual field (connected in 1 parallel) 45° [1] Control valve for hydraulic balancing (separate for each 2 45° 30° field) and shut-off valve for pressure filling 30° 15° 15° 5.3 Collector angle of incidence 3 6720816963-07.1ST The collectors’ angle of incidence depends on the relevant application and on the roof pitch. The angle of inclination Fig. 22 Angle of incidence on pitched roofs of the collector support is subject to the application, roof [1] Collector angle of incidence (absolute angle to the horizon- tal plane); [2] Angle of inclination of the collector support; [3] pitch and angle of incidence. Roof slope (maximum 25 °) 5.4 Space required on roof 5.4.1 Determining the clearance between rows of collec- tors The minimum clearance X between the collector rows results from the collector angle of incidence. Angle of Angle of Clearance X Clearance X incidence incidence 6720816963-06.1ST 30° 4,88 m 50° 6,26 m Fig. 21 Collector angle of incidence 35° 5,26 m 55° 6,34 m ) Angle of incidence 40° 5,59 m 60° 6,50 m 5.3.1 Determining the range of incidence 45° 5,88 m The different areas of application of solar thermal systems provide various angles of incidence that ensure an optimum Tab. 8 Clearance between the rows of collectors at minimum solar solar yield depending on season. altitude of 17 ° Application Range of incidence >> Obtain clearance X from the Tab. 8, or use a formula Domestic Hot Water 30-45° from Fig. 23, page 13. DHW + central heating 45-60° >> For arrays comprising several rows, maintain clearance X DHW + swimming pool 30-45° to prevent shading from occurring (see Fig. 23, Sei- DHW + central heating + swim- te 13). 45-60° ming pool Tab. 7 Angle of incidence >> Determining the range of incidence according to appli- cation. 12
Before installation l>b sin tan + cos L 6720816963-33.1ST 6720816963-18.1ST Fig. 25 Clearances to be maintained to the building edge (a); the Fig. 23 Prevent shading, flat roof installation lesser value may be used ) Angle of incidence β) Minimum solar altitude X) Clearance between collector rows 5.4.2 Determining the space required C DANGER: Risk of death from coll- ectors that cannot withstand high winds! B >> Maintain the minimum clearance to the edge A 6720816963.28-1.ST of the roof and roof structures. Fig. 26 Collector array dimensions The clearances to be maintained (see Fig. 24 und Fig. 25) Number of Number of to the edge of the roof (a) and to roof structures (b) can be Dim. A Dim. A collectors collectors found in DIN EN 1991-1-4 and Code of Practice 61 of the 1 0,73 m 8 5,13 m BDH (Federal Association of the German Heating Industry). 2 1,36 m 9 5,76 m d1 ื 3xh d1 < 3 x h a = 0,15 x d1 a = 0,45 x h b = 0,5 x l12 + l22 3 1,99 m 10 6,39 m a ื1m a ื 0,04 x d1 b = hA a ื1m 4 2,62 m 11 7,02 m 5 3,25 m 12 7,65 m l2 l1 hA 6 3,87 m 13 8,28 m b 7 4,50 m 14 8,91 m Tab. 9 Space requirement Angle of inclination Dim. B Dim. C d2 d1 30° 0,73 m 1,16 m d1 < d2 6720816963-23.1ST 35° 1,36 m 1,30 m Fig. 24 Clearances to be maintained to the roof edge (a) and roof structures (b); in the case of (b), the smallest value should be 40° 1,99 m 1,44 m used 45° 2,62 m 1,56 m 50° 3,25 m 1,67 m 55° 3,87 m 1,77 m 60° 4,50 m 1,83 m Tab. 10 Dim. B and C 13
Before installation in the upper rail. 5.5 Lightning protection >> Check regional regulations as to whether a lightning 30° 1 protection system is required. 35° Lightning protection is frequently required for buildings higher than 20 m, for example. 40° >> Have a qualified electrician install the lightning protec- 45° tion. 50° >> If a lightning protection system is installed, check whether the thermal solar system is included in this system. 55° 60° 5.6 Required tools and materials 6720647803-09.1T Fig. 27 Fitting telescopic rails • 27 and 30 mm open-ended spanner for connecting the pipework 6.1.2 Fitting telescopic rails • Material for pipe insulation >> Push telescopic rails together. [1.] • Screwdriver with Torx bit T15 >> Secure telescopic rails with M8 × 20 screw in the selected holes. [2.] 5.7 Installation sequence To fasten the collectors to the roof with the collectors sup- 1. 2. ports, install in the following order: 1. Determine the collector angle of incidence. 2. Determine the space requirement for the collector array. 3. Fit telescopic rails. 4. Fit collector supports. 5. Install the profile rails. 6. Install the collectors and prepare the collector tempera- ture sensor. 7. Connect the pipework to the collectors. 6720647803-12.1T 8. Install the intermediate panel. Fig. 28 Installing the telescoping rail 6 Fitting the collector supports 6.2 Collector support clearances DANGER: Risk to life by falling from roof! >> Whilst working on the roof, take all necessary precautions against a possible fall. >> If there are no general anti-fall safety devices available, wear personal protective equip- ment. 6.1 Fitting telescopic rails >> From the determined angle of incidence (see chapter 5.3, page 12), determine the angle of inclination of the 980 6720816963.12-1.ST collector support. Fig. 29 Basic version for 2 collectors, details in mm 6.1.1 Selecting mounting holes >> Select holes in accordance with the determined angle of inclination (see chapter 5.3, page 12) of the collector. >> Select hole [1] in the lower rail and a corresponding hole 14
Before installation 6.3 Fitting the collector supports on a flat roof The following details refer to a single collector. The infor- mation is based on DIN EN 1991, Part 4 „Load assump- tions for structural components“ and Code of Practice 61 of the BDH (Federal Association of the German Heating Industry) The installation may take 3 different forms: • Base anchor (on-site fixing) • Ballast troughs (with concrete slabs, gravel and similar) 980 6720816963.11-1.ST • Securing with ropes plus ballast troughs Fig. 30 Standard version for 3 collectors, dimensions in mm NOTICE: Damage to the roof from incorrect form of stabilisation! >> Consider the roof statics when selecting the form of stabilisation. NOTICE: Damage to the roof and the collectors through inadequate fixing on pitched roofs! >> On pitched roofs, provide adequate fixings for the collector supports on site. NOTICE: Roof leaks through punctu- 980 268 980 ring the roof membrane! 6720816963.10-1.ST >> To protect the roof membrane, put down Fig. 31 Standard version for 2 collectors and expansion for 2 collec- conventional protective mats. tors, dimensions in mm >> Put down profiles, collector supports and additional installation materials only on pro- tective mats. When using ballast troughs with gravel, a ballast weight of up to 80 kg per ballast trough is feasible. 980 589 980 6720816963.09-1.ST Fig. 32 Standard version for 2 collectors and expansion for 3 collec- tors, dimensions in mm 980 899 980 6720816963.37-1.ST Fig. 33 Standard version for 3 collectors and expansion for 3 collec- tors, dimensions in mm 15
Before installation Ballast without additional Base anchor Ballast secured with ropes [kg] securing [kg] Speed pressu- Wind speed Number and type Weight3) in ballast trough with Weight3) in ballast trough with Rope tensi- re q1) of screws2) an angle of incidence of a an angle of incidence of a on force 30° 45° 60° 30° 45° 60° 0,50 kN/m2 102 km/h 2x M8/8.8 130 150 161 82 90 101 2 kN 0,60 kN/m2 111 km/h 2x M8/8.8 162 188 200 110 119 129 2 kN 0,70 kN/m2 120 km/h 2x M8/8.8 180 228 243 139 149 160 2 kN 0,80 kN/m2 129 km/h 2x M8/8.8 231 266 282 168 178 187 3 kN Tab. 11 Values for stabilizing a collector, weight in kg 1) The velocity pressure is determined by the regional wind zone, territorial category and building height (see technical guide or consult a structural engineer) 2) Per collector brace 3) Weight without intermediate reflector (with intermediate reflector: Weight plus 18 %) 6.3.1 Base anchor The following describes by way of example how to secure >> Between two collector supports, hook 4 ballast troughs the installation onto the double T-beams. [2] onto the bottom profile [1] and into each other [3]. >> Ensure that the substructure is set up (on site) so that the >> Place ballast (concrete slabs, gravel or similar) into the collectors can withstand the snow loads and wind forces ballast troughs (weight: see Tab. 11, page 16). affecting them. >> Ensure that the solar system is stabilized by its attach- ment, and that the roof is not damaged. NOTICE: Damage to the thermal solar system through structural modifica- tions on the collector supports. >> Never drill through the collector support profi- les or make structural changes. >> Position the collector supports in accordance with the determined spacing (see chapter 6.2, page 14). >> Transfer the hole dimensions from the lower profile [2] to 6720816963.13-1.ST the double T-beams and pre-drill the necessary holes. Fig. 35 Collector supports with ballast troughs >> Secure the profile to the double T-beams [3] using screws 6.3.3 Securing with ropes (see Tab. 11, page 16), nuts and washers [1]. Secure with ropes corresponding to Tab. 11, page 16. >> Use a wire rope [1] on site to fasten each collector sup- port at the back to the screw from the lower profile. >> Insert ballast troughs (see chapter 6.3.2, page 16). >> Anchor the wire ropes at a suitable point on the roof. 6 112 6720816963-34.1ST Fig. 34 Collector supports on double T-beams, dimension in mm 6.3.2 Ballast troughs >> Position the collector supports in accordance with the 6720816963.14-1.ST determined spacing (see chapter 6.2, page 14). Fig. 36 Collector supports secured with ropes 16
Façade installation 7 Façade installation Installation on a façade is only permissible if the following apply: • Snow load: max. 5.0 kN/m2 1664 mm ±1 • Wind speed: max. 129 km/h DANGER: Risk to life by falling from roof! >> Whilst working on the roof, take all necessary precautions against a possible fall. >> If there are no general anti-fall safety devices available, wear personal protective equip- 6720816963-08.1ST ment. DANGER: Risk to life through falling 1 1137-1557 mm collectors in case of unsuitable façade! 3 >> Install profile rails supports only on a solid 8 7 6 5 4 2 façade that is impervious to wind. Fig. 37 Installing the profile rails using double ended screws set >> Prior to installation, check the load-bearing [1] horizontal profile rails; [2] vertical profile rails capacity of the wall where the collectors are to be installed and its foundations. If required, Accessories consult a structural engineer. [3] screw M8 × 20 (2 screws for 1 retaining block); [4] re- taining block; [5] nut M12; [6] washer; [7] sealing washer if Spacing of double ended screws: see chapter 6.2, required; [8] double ended screws M12 page 14. On-site attachment Conncect and align profile rails: see chapter 9, page 19. >> Note the indicated forces per collector! Slots for double ended screws: see Fig. 42, page 19 >> Secure the profile rails on site. The mounting of the profile rails horizontally can be done with the double ended screws set or engineered on site. FGd = 0,54 kN Securing with the double ended screw set >> For the double ended screws M12 [8], use suitable 1664 mm ±1 anchors (on site). >> Fasten each vertical profile rail [1] with 2 double ended FWo = 2,60 kN screws M12 [8] side by side onto the façade. >> Fasten the vertical profile rail [1] at the top and at the bottom to the retaining block with 2 screws M8 × 20 [3]. 6720816963-39.1ST Fig. 38 Mounting the profile rails to the façade on site Continue with chapter „9.3 Aligning the profile rails“ on page 19. 17
Horizontal installation 8 Horizontal installation 1 2 DANGER: Risk to life by falling from > 10 mm roof! >> Whilst working on the roof, take all necessary precautions against a possible fall. >> If there are no general anti-fall safety devices >100 mm available, wear personal protective equip- ment. 6720816963-29.1ST NOTICE: Roof leaks through punctu- ring the roof membrane! 1664 mm ±1 >> To protect the roof membrane, put down Fig. 39 Example: On-site installation on double-T beams conventional protective mats. >> Use suitable anchors for the double ended screws and the >> Only put down installation materials on pro- roof type. tective mats. 3 >> Have a roofer make sure that the roof is sealed. 1 NOTICE: Damage to the roof from ±1 incorrect form of stabilisation! 2 mm >> Consider the roof statics when selecting the 64 4 16 form of stabilisation. 5 6 The collector type TUBO II T is suitable for horizontal instal- 7 >100 mm 57 lation. The substructure can be installed on site, that is, on -15 8 37 double-T beams, or with the double ended screw installati- 11 on set. 6720816963-38.1ST >> Make sure that each collector is weighted with at least Fig. 40 Installing the profile rails using double ended screws 49 kg. [1] Horizontal profile rail; [2] Vertical profile rail >> Make sure that the anti-slip protector [2] can be installed on the profile rails [1]. If required, adjust the height. Accessories [3] Screw M8 × 20 (2 screws for 1 retaining block); [4] Re- Note the positions of the anti-slip protectors see Fig. 44, taining block; [5] M12 nut; [6] Washer; [7] Sealing washer if page 19! required; [8] M12 double ended screw Connect and the line the profile rails: see chapter 9, Continue with chapter „9.3 Aligning the profile rails“ on page 19. page 19. Distances of double ended screws: see chapter 6.2, page 14. 18
Fitting the profile rails 9 Fitting the profile rails 9.3 Aligning the profile rails It is important for the subsequent collector 9.1 Connecting profile rails installation that the profile rails are accurately aligned. If there are more than 3 collectors, you need to connect the profile rails. >> Level the profile rails horizontally and with the stated >> Push the profile rails as far as they will go into the plug-in clearance. Use a spirit level. connector. >> Align sides of the upper and lower profile rails with each >> To lock, tighten both fitted threaded pins in the plug-in other. connector using a 5 mm Allen key. >> Check that they are at right angles. Measure the diago- nals or place a roof batten, for example, at the ends of the profile rails. >> Tighten screws M8. 6720816962-19.1ST Fig. 41 Connecting profile rails 6720816963.16-1.ST Fig. 43 Align the profile rails and collector supports 9.2 Installing the profile rails Only use the slots marked with the arrows to install the 9.4 Fitting the anti-slip protectors profile rails. Only use the slots marked with the arrows to fit the anti-slip >> Secure the profile rails with screws M8 × 20 to the coll- protectors. ector supports. Do not yet tighten the screws so that the >> Push the collector clamp into the profile rail and let it click profile rails can be aligned. into the slot. 6720816963.15-1.ST Fig. 42 Installing profile rails for 2 or 3 collectors click! Fig. 44 Fitting the anti-slip protectors 6720816963-19.1ST 19
Installing the collectors >> Push the collector clamp into the profile rail and let it click 10 Installing the collectors into the slot. click DANGER: Risk to life by falling from roof! >> The installation on the roof must be performed by at least 2 people. WARNING: Risk of injury through glass splinters. >> When handling collectors, always wear safety gloves and goggles. WARNING: Risk of injury through falling collectors! >> Secure the collectors against falling during click 6720816963.20-1.ST handling and installation. Fig. 45 Fitting the collector clamp >> After completing installation, check that the installation set and collectors are securely 10.1.2 Placing the first collector on the profile rails positioned. WARNING: Risk of injury through NOTICE: Lack of seal from damaged falling collectors. O-rings! >> Ensure that the collector profile engages in the >> Do not use mineral oil-containing lubricants antislip protectors. (such as thread sealing compound). The collector connections are sufficiently lubricated >> Remove the top and bottom packaging cover. at the plant. >> Remove the interconnection set. 10.1 Collector installation The plastic parts on the collector tensioners do not have any support function. They are simply intended to make installation easier. >> Observe the information in chapter 5.2, page 10 concerning the collector layout. 10.1.1 Fit one-sided collector clamps on the left Fit the single sided collector clamp on the 6720816962-45.1ST opposite side only after the final collector has Fig. 46 Remove the packaging cover been installed. 20
Installing the collectors >> Place the collector onto the profile rails and allow it to >> Remove the transport packaging on the rear. slide into the anti-slip protectors. 6720816963-32.1ST Fig. 49 Remove the transport packaging 10.1.3 Inserting a double sided collector clam 6720816963.17-1.ST >> Place the collector clamp on the profile rail and push up Fig. 47 Let the collector slide into the anti-slip protectors to the collector. NOTICE: Glass breakage from twisted clamp. To prevent the clamp from twisting: >> Hold/brace the clamp when screwing in. >> Carefully push the collector to the left against the collector clamp and level horizontally. [1.] >> Counterhold the clamp! [2.] >> Tighten the screw of the collector clamp with a 5 mm Allen key. [3.] The clamp must engage in the recesses of the collector profile. When the screw is tightened, the plastic guide breaks at the predetermined cut-off points. 6720816963.22-1.ST 3. Fig. 50 Place the collector clamp 10.1.4 Fitting the second collector 1. If supply connection is on the left side of the collector field, the collector temperature sensor must be prepared before the second collector is installed (see Fig. 55, page 23). 1. 2. 6720816963.21-1.ST Fig. 48 Fasten the first collector 6720816962-49.1ST Fig. 51 If the flow is from the left, first prepare the temperature sensor (see Fig. 55, page 23) >> Place the second collector onto the profile rails and allow 21
Installing the collectors it to slide into the anti-slip protectors. 10.1.5 Fitting single sided collector clamps on the right >> Remove the interconnection set from the transport protec- hand side tion. >> Push the collector clamp into the profile rail and let it click >> Remove caps from the collector connections. into the slot. [1.] >> Insert the hydraulic plug-in connector into the collector. >> Counterhold the clamp. [2.] [1.] >> Tighten the screw of the collector clamp with a 5 mm >> Push the second collector as far as it goes to the first Allen key. [3.] collector. [2.] The clamp must engage in the recesses of the collector >> Push the clips over both plug-in connectors. [3.] profile. When the screw is tightened, the plastic guide breaks at the pre-determined cut-off points. 3. 1. 3. 2. 1. 3. 1. 2. 6720816963-25.1ST Fig. 54 Fitting the collector clamp 6720816962-23.1ST 10.2 Prepare the collector temperature sensor Fig. 52 Connect the first and second collector to each other A temperature sensor is installed in each collector and is >> Tighten the screw of the double-sided collector clamp with accessible on the right side of the collector. a 5 mm Allen key. >> In regard to using the right collector temperature sensor, The clamp must engage in the recesses of the collector note the instructions in chapter 5.2, page 10. profile. NOTICE: System failure through faulty sensor lead! >> Protect the sensor lead against possible dama- ge, e.g. from rodents. >> Removing the cover. >> Carefully pull the sensor cable out a maximum of 1 m up to the red mark. 6720816962-24.1ST Fig. 53 Fastening the double sided collector clamp CAUTION: Risk of injury and leaks through escaping solar heat transfer medium as a result of unsecured plu- gin connectors. >> Secure hydraulic collector connection with clips. >> Fit all other collectors in the same way. 22
Hydraulic connection 11 Hydraulic connection NOTICE: Collector damage through leaks! Connecting rigid pipework to the collector may 1m lead to leaks due to thermal expansion. >> Install the piping allowing for adjustment (on-site). Connecting the pipework NOTICE: Collector damage through 1 twisted pipes! >> When tightening the screw fittings, hold the 6720816962-36.1ST angle with a 24 mm open-ended spanner. Fig. 55 Carefully pull out the collector temperature sensor >> Remove transport protection (red, blue) from the collector 1) Feed, left side: Pull out the collector sensor cable up to the red mark, and guide it through the opening (only install connections. the second collector after this is done) >> Push the plug-in connectors and pipe bend into the coll- ector connections. [1.] >> Secure pipe bend with a clip. [2.] >> Push pipe into the 18 mm compression fitting and tighten the union. [3.] 2. 1. 3. 6720816963.24-1.ST Fig. 56 Connect pipe work (in this case, same-side connection) [1] Flow to storage tank (hot, red transport protection); [2] Re- turn from the storage tank (cold, blue transport protection) 23
Final steps Install the caps WARNING: Risk of injury from unse- 12 Final steps cured caps! >> Make sure that each cap is secured with a 12.1 Flushing, venting and leak testing clip. >> Flush the system with Tyfocor LS. >> Remove transport protection (red, blue) from the collector >> Check all connections for leaks. connections. >> High system pressure increases reliability. 2.5-4 bar are >> Push caps with O-rings onto the collector connection. [1.] recommended: This results in about 2-3 bar on the roof >> To secure the connection, push clips over the caps and and thus an evaporation temperature of over 120 °C (at collector connections. [2.] 2 bar). (Form CON-SOLARSTATION: 2.5 bar). Make sure that the clips are properly seated. Commission the solar thermal system in accordance with the details in the solar pump station installation and maintenance instructions. 2. 12.2 Checking the installation Checks Profile rails connected to collector supports and 1. screws tightened? 1. 2. Anti-slip protectors fitted? 3. Collector clamps fitted and screws tightened? Are the pipe bends secured with clips, and has 4. the correct seat of the clips been checked? 6720816963-27.1ST Are the free collector connections sealed with Fig. 57 Install the caps (in this case, same-side connection) 5. caps and secured with clips? 6. Correct collector temperature sensor selected? Tightness test carried out and all connections 7. checked for leaks (see solar pump station instructions)? Tab. 12 Checks 12.3 Install intermediate reflector (accessories) Scope of delivery: 1 × Intermediate reflector, 2 × Clip >> To make the protective film of the intermediate reflector easier to remove after installation, the protective film can be removed slightly at one place. >> Place the intermediate reflector between the collectors. 24
Final steps T15 click 1. 2. 3. 6720816963-26.1ST Fig. 58 Inserting the intermediate reflector 6720816963.31-1.ST >> Carefully press in the intermediate reflector from top to Fig. 60 Installing the intermediate panel and end cap bottom. (1.-6.) >> Use a clip to secure the intermediate reflector at the top 12.5 Insulating the connection lines and pipework and bottom. (7.) >> Thermally insulate the pipework in the entire solar circuit 7. click in accordance with regulations. >> Thermally insulate the external pipework using material 1. 2. which is resistant to UV rays, weather influences and high 3. temperatures (150 °C). 4. >> Insulate internal pipework with high temperature-resistant 5. (150 °C) material. 6. >> Protect the insulation against damage from birds if 7. required. click 6720816963-36.1ST 12.6 Removing the collector film Fig. 59 Installing the intermediate reflector between the collectors In order for the film to be removed residue-free, do not leave the film on the collector for more than 4 weeks after installation. 12.4 Installing the end cap and intermediate panel If the system cannot be commissioned after 4 Only install the intermediate panel and end cap after the weeks: hydrostatic test has been performed. >> Cover the collectors at the installation site. >> Insert the intermediate panel from below into the collector profile. [1.] >> Remove the film after commissioning the solar system. >> Press it forward until it audibly locks into place. [2.] >> Fix the end cap with a Torx T15. [3.] 6720816963.30-1.ST Fig. 61 Removing the collector film 25
Cleaning the collectors 13 Cleaning the collectors Disposing of collectors At the end of their service life, collectors may be returned to the manufacturer. Materials will be recycled using the most DANGER: Risk to life through falling! environmentally responsible processes. >> Whilst working on the roof, take all necessary precautions against a possible fall. >> If there are no general anti-fall safety devices 15 Maintenance/inspection available, wear personal protective equip- DANGER: Risk to life through falling! ment. >> Whilst working on the roof, take all necessary At a roof inclination of 15 ° and steeper, the collector is precautions against a possible fall. generally self-cleaning. >> If there are no general anti-fall safety devices >> In the case of more stubborn contamination, clean the available, wear personal protective equip- collector with water. Do not use a high-pressure cleaner! ment. >> Make sure that the drain holes in the collector profile are The installation and maintenance instructions of open and that water can drain out. the solar pump station include details regar- ding the maintenance of the entire system. Also observe these details. Use the table as a copy template so that you will have documentation available even after the third service. >> After approximately 500 hours of operation, check (inspect) the collector array for the first time. Then check them every 1-2 years. Immediately remedy all faults 6720816962.48-1.ST (maintenance). Fig. 62 The drain holes in the collector profile must be open >> Fill out the report and tick off the tasks performed. 14 Environmental protection and disposal User: System location.: Environmental protection is one of our principal policies. Quality of products, efficiency and environmental protec- tion are equally important objectives for us. Statutory and other regulations concerning environmental protection are strictly applied. To protect the environment, we use the best possible technology and materials, subject to economic considerations. Removing collectors DANGER: Risk to life through falling! >> Whilst working on the roof, take all necessary precautions against a possible fall. >> If there are no general anti-fall safety devices available, wear personal protective equip- ment. >> Drain the pipework. >> Undo the collector clamps on the side and in between collectors. >> Remove the plug-in connectors and connection pipes. >> Use lifting gear to transport the collectors (see chapter 4, page 9). 26
Cleaning the collectors Maintenance and inspection tasks Page Maintenance/inspection Date: Visual inspection of collectors carried out (safe 1. seating, visual impression)? 2. Correct collector temperature sensor selected. 22 Visual inspection of the installation system 3. carried out? Visual inspection for leaks carried out at the 4. joints between the installation and the roof? Visual inspection of pipework insulation 5. 24 carried out? Visually inspect the glass tubes. Cleaning in 6. 26 the case of severe contamination. Visually inspect the drain holes in the collector 7. 26 profile. Clean if water cannot drain. Remarks: The collector array has been serviced as specified by these instructions. Date, stamp, Date, stamp, Date, stamp, signature signature signature Tab. 13 Maintenance and inspection tasks Replacing the collector temperature sensor Since a temperature sensor is in each collector, you can use the temperature sensor of the adjacent collector while servicing (see chapter 10.2, page 22) 27
Consolar Solare Energiesysteme GmbH Kasseler Straße 1a, 60486 Frankfurt Gewerbestraße 7, 79539 Lörrach Fon +49 (0)7621 42228-500 Fax +49 (0)7621-42228-31 info@consolar.de • www.consolar.com Subject to alterations and errors.
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