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Grant Solar Thermal Solutions Technical Manual

1. Figure 100 Grant GSD1 Differential Controller 10 1 General Information Safety Information Power Connection Regulations Please install as per current electrical regulations Your heating control system must be installed and serviced only by appropriately authorized specialists f If this system is not installed properly there is a risk of fatal or severe personal injury Warranty Conditions If the system is not installed commissioned serviced and repaired professionally this will render the manufacturer s warranty null and void Important Text Passages 1 Important information is highlighted with an exclamation mark i This attention symbol indicates dangerous situations Installation For information on connection of the Differential Controller see page 42 3 x 1000 Safety Information Declaration of Conformity This device corresponds to the requirements of the relevant guidelines and standaras if the corresponding regulations and the manufacturer s instructions are complied with Function This controller enables the regulation of various types of system 1 Solar regulation 2 Solid fuel boiler regulation The device is simple to operate and easy to control due to the direct temperature display in the first operating level Note Please follow the safety information and read these instructions carefully before putting the system into operat
2. Figure 14 3 collectors portrait Figure 15 4 collectors portrait 160 160 50 7 50 E na 6215mm i 100 SE i 3 2450mm 100 Figure 16 5 collectors portrait Note Dimensions include cover frame 3 3 In Roof System Installation Position of Mounting Rails 1 5 Solar Collectors Horizontal Side by Side 160 160 160 160 50 50 SH 50 ili 2355mm 7 A 4440mm ir ra 100 ue E i S S mM mM Bg E E C C LO LO LO
3. 1 4 Safety Instructions and Symbols When installing the system take note of the safety instructions in this document The symbols used in the text are explained below Caution This symbol draws attention to a potential hazard Note D I This symbol indicates useful information or a general note 1 5 Safekeeping of the Installation Instructions These Installation amp User Instructions must be handed over to the householder on completion of the installation They should be kept for future reference as necessary 1 6 Installation Installation must be carried out by a competent installer in compliance with all current local planning requirements Building Regulations codes of practice Health and safety legislation and any relevant local bylaws and regulations in force at the time All electrical installation work must be carried out by a qualified electrician All wiring and earth bonding must comply with current IEE wiring regulations In roof and On roof installations only When installed both the In roof and On roof systems can experience uplift due to the wind When installing either System ensure that the collectors are installed no less that THREE tiles from any roof edge 1 7 Equipment and Materials to be provided General e Heat conducting paste for temperature sensors optional On roof Installation e 2 Grant lead flashings or 2 Solardek flashings or 2 vent tiles see
4. Grant Solar Thermal Systems On Roof Flat Roof and In Roof Systems Installation amp User Instructions E clearskies Part No DOC 73 Rev 02 June 2010 EFFICIENT HEATING SOLUTIONS oystem Options On Roof Flat Roof In Roof Portrait side by side Portrait side by side Landscape one above other Landscape side by side Landscape one above other Portrait one above other Grant solar collectors are slender in appearance and are extremely durable with an extruded Aluminium frame and 4mm thick low iron glass Grant Sahara with a Bronze anodized frame this blends with most domestic roof types providing an aesthetically pleasing appearance p d m Grant Aurora with high quality Silver finish anodized frame this contemporary look is a stylish feature to accentuate the property and looks great on dark roof coverings such as slate Contents Installation Instructions 7 Installation of Solar Collectors 36 1 General 4 7 1 Installation sequence of solar collectors 36 1 1 Product description A 7 2 Installation of solar collectors egene cu emis 4 On Roof and Flat Roof of 1 8 Organisation of the installation instructions 4 8 Hydraulic Connections 39 1 4 Safety instructions and symbols S 8 1 Compression connection straight 39 1 5 Safekeeping of installation instructions 4 8 2 Compression connection landscape 1 6 Installation 4 systems only 40 1 7 Equipment and materials to be prov
5. Normal operation regulation according to settings Se MANUAL All pumps operate all relays closed The function is reset to Automatic mode after 30 min Note Please follow the safety information and read these instructions carefully before putting the system into operation Display Normal Mode When in Normal mode select the display required with the rotary knob at the front Y e o ml ce omy Figure 105 Rotary Knob A Designation of Temperature Displayed CQ lime yy F1 Temperature of collector or solid fuel boiler F4 Temperature of storage heater at bottom C1 Day s production in KW C2 Total production in KW From 10 MW display in MW gt Arrow appears on E Y x 1000 B Display the selected temperature or time C Weekday 1 Monday 7 Sunday here Saturday D Pump operation indicator Arrow Pump ON a Pump A1 is ON see connection diagram E Operation indicator OFF ON See Hand gt Pumps ON max duration 30 min F When the total solar production in display C2 exceeds 10 MW the three arrows appear above the text IS x 1000 A B c D 6 gt ui i ek LI l IL b l LY vy prog 5 x x1000 E F Figure 106 Temperature Display P TN 12 2 Starting Up Basic Setting of the Controller After the device has been properly installed switch on the power supply The software number for
6. Solar Thermal Systems installed on the UK mainland Isle of Man and Channel Islands only Provision of in warranty cover elsewhere in the UK is subject to agreement with Grant Engineering UK Ltd
7. 2 at O C Table 7 Sensor Characteristics 20 922 10 961 O 1 000 10 1 039 20 1 078 30 1 118 40 1 155 o0 1 194 60 1202 FO Tog 80 1 309 90 1 347 100 1 385 110 1 422 120 1 460 Figure 101 Sensor F1 F4 PT1000 lf an error occurs the Ay symbol appears in the display and the associated error number appears flashing On pressing the three operating keys simultaneously the parameters are reset to their default factory settings Table 8 Sensor Errors The collector E 1 Collector sensor sensor has short F1 defect circuited or there is an interruption E73 Storage tank The storage tank sensor F4 sensor has short circuited or defect there is an interruption E81 Eeprom A fault has occurred in the Eeprom Please check values Note Functional defects resulting from incorrect operation or settings are excluded from the terms of warranty 11 Differential Controller Electrical Installation 11 1 Electrical Connection 12 13 14 16 A1 O 17 gt N1 Ls 19 N 20 L1 Y OO00000090009 SUC C 50Hz 230V 2 2 A 250V LL 9 8 7 y 4 3 2 1 10 st LL QOOOQOO0OGO Sensor Fi
8. E N E E R e NO C bi S 3 3 l E EI Te 0 EM PEE di L 200mm 800mm 200mm max 700mm 00mm max 500mm 500mm Figure 1 1 collector portrait 3561mm i 1800mm WW VOCS E T X MEE max 1300mm 1300mm max 500mm 500mm Figure 3 3 collectors portrait 5935mm Figure 2 2 collectors portrait 4748mm 1800mm g sl max 1300mm 500mm Figure 4 4 collectors portrait 7 E N 5 E NO O 3 SS 3 l En Fr PEN Rr DM max 1700mm 1700mm 1700mm max 500mm 500mm Figure 5 5 collectors portrait 4205mm 7 C e d B 5 i Un E E E di ile FE max 1100mm 1100mm 1100mm max 500mm 500mm Figure 6 2 collectors landscape uJUuc L L LU be 3 2 Flat roof Installation Position of Roof Anchors and Mounting Rails 118 mm 2374mm Pal m h m im 1i m S E S S D e SS 3 E 3 cy mui E ce i SC pla ci 250mm 700mm 250mm 500mm 700mm 700mm 500mm Figure 7 1 collector portrait Figure 8 2 collectors portrait 3561mm 4748mm ni al z e E S O E N N N N 3 T T U O U H G E pata ME EE e ih SE
9. LO i A 100 i 100 Ru me MMII d Figure 17 1 collector landscape Figure 18 2 collectors landscape 160 los SOT WW gt ov 6525mm Elm 100 A S e v gt A C LO I Y ill 100 TI I mmm Figure 19 3 collectors landscape 160 ues 50 7 W j 8615mm SE E 3 E I S LO bh LO yY Figure 20 4 collectors landscape 160 Dez a 4 10700mm Ae li 100 E E O LO LO Figure 21 5 collectors landscape Note Dimensions include cover frame 4 On Roof System Installation See Section 9 for details of roof penetrations 4 1 Installation Summary The standard installation kit allows solar collectors to be fitted vertically onto horizontal mounting rails Mounting rails are fixed to the roof structure using the appropriate type of roof anchors for the roof covering e g slates flat tiles or profile tiles Figure 22 Installation Summary Vertical Solar Collector Layout 03 A Profile tile RG 03 B Flat tile 03 C Slate NY 01 02 03 04 05 06 07 08 09 10 11 12 13 14 Roof Anchor Options Collector Mounting rail set Roof Anchors A profile tile B flat tile C slate roof Rail profile Anchor block Collector connection kit Collector to Collector connection kit Cylinder anchor
10. Locate the solar collector temperature sensor 19 in the sensor pocket next to the Outlet flow connection of the collector array Push back the thermal insulation on the solar collector connection kits place the compression connections onto the connectors and secure Take the temperature sensor seal 13 out of the solar collector hole next to the outlet flow connection pierce the centre and push it over the temperature sensor Finally guide the temperature sensor fully into the sensor pocket of the solar collector and seal by re inserting the temperature sensor seal Caution Push the solar collector temperature sensor to the end of the hose sleeve so that the correct measuring point is reached Figure 88 Hydraulic Connection Figure 90 Sola Figure 91 Connection of Temperature Sensor 8 Hydraulic Connections 8 2 Compression Connection Landscape Systems Only De 1 Fit the two 15mm compression elbows supplied on to the two adjacent solar connectors using the 15 12mm reducing sets provided in the kit Turn the elbows so that the openings face each other as shown Do not fully tighten at this stage 2 Measure a length of 15mm copper pipe not supplied required to connect the two elbows Cut the 15mm pipe to the required length using a pipe cutter Figure 92 Hydraulic Connection Landscape Installation 3 Remove the elbows from the co
11. Section 9 e Fixing screws for fixing battens roof anchors Flat roof installation If the supporting frame is secured by weights rather than being screwed down the weights must conform to the following specifications for a wind pressure zone up to 8 m building height and a snow load zone up to 0 75 kN m Table 1 Table 1 Dead Weight Requirements 1 solar collector 290 kg 2 solar collectors 580 kg 3 solar collectors 870 kg 4 solar collectors 1160 kg 5 solar collectors 1450 kg As weights lawn edge stones can be used for example Permissible roof load must not be exceeded under any circumstances and if necessary a structural engineer must be consulted beforehand If the substructure has been penetrated it must be carefully re sealed in accordance with technical standards In roof Installation e Fixing screws for mounting battens 1 8 Tools Required On roof and Flat roof installations e Screwdriver 6mm hexagon socket e Pencil e ape measure or folding rule e 17 19mm open jaw spanners x2 e 13mm open jaw spanner e Screwdrivers standard and cross head e Electric screwdriver drill In roof installation e Pencil e Tape measure or folding rule e 2 open jaw spanners 17 19mm e open jaw spanner 13 14mm e Screwdrivers standard and cross head sizes 2 and 3 e Socket wrench with T handle size 6 e Electric screwdriver with socket bit for sealing screw 8mm hexagon e Hammer e Solar collec
12. bolt Fixing Bracket Interlocking bolt Hydraulic connection Insulation Temperature sensor Mounting hooks O7 A 4 On Roof System Installation 4 2 Profile Tile Roof Anchors fixed to Rafters 1 For profile concrete tiles these roof anchors are attached directly to the roof rafters rafter mounted installation NS Caution Never attach safety harness to the installation system 120mm 2 Expose the installation area above the rafters For roof anchor intervals see Page 8 3 1 On Roof System installation Note As a rule pushing up the roof tiles ES is sufficient Horizontal positioning Ki of roof anchors is dependent on the rafters and the tile valleys Figure 23 Dimensions of Roof Anchor A Horizontal Distance Horizontal alignrnent Vertical alignment Figure 24 Horizontal and Vertical Alignment 3 Place roof anchor 03 A in line with the top edge of the roof tile in the tile valley Fix the base plate of the roof anchor to the rafter with screws 16 4 Fix all further roof anchors in the same way For roof anchor intervals see Page 8 3 1 On Roof System installation Note Hoof anchors must be horizontally and vertically aligned follow roof tile valleys Figure 25 Installation of Roof Anchors A 4 3 Flat Tile Roof Anchors fixed to Rafters ie For flat concrete tiles these roof anchors are attached directly to the roof rafters rafter mounted installatio
13. facing flanges see Figure 64 Slide cover strip up the full length of the joint Finally fold over at both ends of cover strip to secure see Figure 65 Repeat to fit cover strips on the other side gutter and on all joints between the base trays Figure 61 Location of Clips on Side Gutters Figure 64 Installation of Cover Sheets 7 c o0 gt 5 Y c o D Oo cc c p 32 Figure 62 Fitting of Cover Strips Figure 65 Installation of Cover Sheets 6 4 Installation of Collectors 1 Position mounting brackets 04 at the bottom of the base tray using the dimensions given in Figure 68 Carefully mark their position on the base tray with a pencil Important Ensure brackets are correctly positioned with the two holes at the top Remove protective film from underside of brackets and press them into place in the correct position Fix in place with the self drilling screws supplied in the kit using the Torx 25 screwdriver bit provided in the kit Refer to Figure 67 Figure 66 Location of bottom Mounting Brackets eee Figure 67 Fixing of bottom Mounting Brackets Figure 68 Bottom Mounting Bracket Dimensions 6 In Roof System Installation 2 Fit two anchor blocks 05 into the profile at the bottom and top of each collector Lift first collector and position on two mounting brackets oee Figure 69 Adjust position of anchor blocks to align with hole in i7 each mounting brac
14. providing that the Solar Thermal System has been installed and commissioned correctly in accordance with the manufacturer s instructions serviced at twelve month intervals and the system was registered with Grant UK within thirty days of installation Proof of purchase date must be provided upon request Chargeable Repairs A charge will be made if the cause of the breakdown is due to any of the following e Faults caused by the plumbing or heating system external electrics or any external components e The Grant Solar Thermal System has not been commissioned or serviced in accordance with the Installation amp User manual supplied with the system e The system has been installed for over five years Remember before you contact Grant Please register the Solar Thermal oystem with Grant Engineering UK Ltd within thirty days of installation Terms of Manufacturer s Guarantee 1 The Grant Solar Thermal System guarantee starts from the date of purchase 2 All electrical and mechanical components supplied with the Grant solar Thermal System including the system circulating pump are guaranteed for a period of five years The Grant Warranty does not cover any mixed systems i e where the collectors pump station solar fluid or controller s were not supplied by Grant Engineering UK Ltd 10 Ek This guarantee does not cover breakdowns caused by incorrect installation neglect misuse ac
15. small amount of solar fluid into a clean container Keep this fluid to test see 2 Solar fluid below c Check the air charge in the vessel refer to section 14 for correct pressure d Adjust or re pressurise the vessel as necessary to achieve the correct pressure NB This may require putting additional solar fluid into the system Refer to Section 14 for system filling guidance 16 2 Solar fluid Using the small amount of solar fluid removed from the expansion vessel carry out the following tests a Using a Refractometer check antifreeze concentration and level of protection b Using suitable litmus indicator strips check Acidity ph value Replace solar fluid as required if either test indicates the fluid is unsuitable Safety If the replacement of solar fluid is required and the system filing point pump station is located in the roof space there should be a suitable flat surface on which to stand the filling station i e floor loft boarding or similar 16 3 Hot water storage cylinder 1 Check as per manufacturer s recommendations refer to instructions supplied with the cylinder 2 Cylinder sensor ensure it is correctly located and securely fitted 16 4 Restarting system The following procedure should be followed to put the system back into operation 1 System pressure check cold system pressure on pressure gauge is correct for static height of system refer to Section
16. 1 Base tray lower section 1 2 3 4 5 Base tray upper section 1 2 3 4 5 Cover strip 2 3 4 5 6 Bottom apron flashing 1 piece 1 0 0 O O Bottom apron flashing LH O 1 1 1 1 Bottom apron flashing RH O 1 1 1 1 Bottom apron flashing Intermediate O O 1 2 3 Bottom flashing 1 piece 1 O O 0 O Bottom flashing LH O 1 1 1 1 Bottom flashing RH O 1 1 1 1 Bottom flashing Intermediate O O 1 2 3 Top cover flashing 1 piece 1 O O O O Top cover flashing LH O 1 1 1 1 Top cover flashing RH 0 1 1 1 1 Top cover flashing Intermediate 0 O 1 2 3 Closure strip 0 1 2 3 4 Fixing screw 14 28 44 60 76 Clip c w nail 12 12 12 12 12 Foam draught seal wedge 6 6 6 6 6 Foam draught seal block 2 3 4 5 6 Mastic bead roll 1 1 1 1 1 Torx screwdriver bit T25 1 1 1 1 1 Installation and operating instructions 1 1 1 1 1 Maybe supplied as one tray Bottom apron flashing used for tiles only Bottom flashing used for slates only Table 3 Timber Battens to be supplied by the installer minimum lengths mm Bottom batten 30 x 50 1460 2645 3835 5025 6215 Lower middle batten 30 x 90 1460 2645 3835 5025 6215 Upper middle batten 30 x 90 1460 2645 3835 5025 6215 Top batten 30 x 50 1460 2645 3835 5025 6215 3 Dimensions amp Fixing Intervals 3 1 On roof Installation Position of Roof Anchors and Mounting Rails 1187 mm 2374mm i E N
17. 14 table 10 for details Top up or re fill as required 2 Controls After reconnecting the power supply to controls check the following Settings on Solar Controller are correct Refer to Section 12 for details Operation of Solar Controller operate override and check that solar pump starts 3 System flow with the solar pump running check the volume flow rate and reset as necessary refer to Section 14 table 11 for details NB Ensure that correct system volume flow rate is also set in the solar controller 17 De commissioning Procedures If the solar thermal system is to be taken out of use either temporarily or for a longer period the following procedure should be followed 17 1 System Isolate the electrical supply to the solar thermal system Remove fuse from fused isolator and lock off the isolator Where the solar thermal system uses a twin or triple coil cylinder switch off the other heat source s to the cylinder e g gas or oil boiler heat pump etc Manually close any 2 port valves in either the flow or return pipe s from these auxiliary heat sources to the oylinder coil s Allow solar thermal system to cool down If necessary draw off hot water from storage oylinder to reduce solar system temperature Once cool i e lt 50 C drain solar fluid from the system via system drain cock s into a suitable container e g the plastic container s in which t
18. 6 Technical Data Operating pressure Max 6 bar 49 Operating Flow Max 140 C temperature Return Max 120 C Medium Water with max 47 50 glycol Internal dimension DN 20 Screw connections Flat sealing union nut G1 11 2 48 Rp 8 Materials Gaskets EPDM Housing GK Cu Zn 37 Pb connecting parts 2 0340 02 CuZn39Pb3 Figure 109 Pump Station Components 2 0401 Insulation Expanded polypropylene EEP foam Thermal conductivity 0 025 W mK 42 Flow ball valve with thermometer x z integrated gravity brake SiD 43 Return ball valve with thermometer integrated gravity brake 44 Pressure gauge 45 Solar safety valve 6 bar 46 Circulating pump 47 Flush flgate valve a 1 305mm 48 Flow meter 49 Air collector 50 Bleed valve 51 Connection supports G 2 IG closed off with plastic plugs 52 Expansion vessel connector For maintenance purposes e g pump Figure 110 Dimensions replacement the flow and return ball valves must be closed Figure 109 ER item 42 and 43 Air Separator System Air Venting e No roof air venting required e Expanded cross section reduces flow speed e Venting in calming zone e Upstream installation High temperature promotes air separation e Hand aspirator for bleeding air Figure 111 Air Separator Figure 112 Safety valve and expansion vessel connections Function of Gravity Brakes Opening pressure of gravity br
19. 8 Joining Mounting Rails KA 5 Flat Roof System Installation 5 1 Installation Summary The standard installation kit allows solar collectors to be fitted vertically onto horizontal mounting rails Figure 39 Installation Summary Vertical Solar Collector Layout 01 02 03 04 05 06 07 08 09 11 12 13 14 15 Collector Mounting rail set Roof Anchors C to flat roof anchors Hail profile Anchor block Collector connection kit Collector to collector connection kit Oylinder anchor bolt Fixing Bracket Hydraulic connection Insulation Temperature sensor Mounting hooks Cruciform O7 A 5 Flat Hoof System Installation 5 2 Flat Roof System Installation 1 Lay mounting rails on the installation surface with the wide groove uppermost Mounting rail interval 1 0mm Diagonal dimensions between mounting rails must be equal D1sD2 Figure 40 Installation of the First Flat Hoof Mounting Bracket 2 Open out a prefabricated flat roof mounting bracket and place the long L profile on the mounting rail so that the T profile points backwards For interval a see Page 9 3 2 Flat roof installation 3 Fixthe flat roof mounting bracket to the mounting rail using the interlocking bolts serrated washers and nuts provided Note Interlocking bolts must be secured to the mounting rail using a 90 turn 4 Place the next flat roof mounting Figure 41 Fixing Using
20. DHW Separate from DHW Copper oteel Plain Hibbed me Litres Low Medium High Cleaning hatch Thermostat on primary circulation kWh per cent SAP2005 Other Litres per day at S 16 Maintenance Grant Solar Thermal systems require only basic maintenance in order to ensure that they continue to give efficient trouble free operation The following procedures should be carried out annually 16 1 System checks Isolate the electrical power supply to all System controls Check the following 1 Collectors Collector fixings ensure that they are secure retighten if necessary Condition of collectors check glazing is undamaged and clean glass to remove any dirt deposits if necessary Pipe connections check for any evidence of leaks and rectify as necessary Pipe insulation check insulation on exposed pipes and replace if damaged Collector sensor ensure it is correctly located and securely fitted 2 System pipework Leaks visually inspect system for any evidence of leaks and rectify as necessary PRV operation test by briefly rotating plastic cap on valve to operate Pipe insulation check condition of pipe insulation and replace if damaged 3 Expansion vessel pressure Check the charge pressure in the vessel as follows a Close the isolation valve on the expansion vessel connection b Open the small Drain cock on the connector and drain off a
21. EN 500mm 1300mm 1200mm 500mm 500mm 1300mm 1300mm 1200mm 500mm Figure 9 3 collectors portrait Figure 10 4 collectors portrait 5935mm 1 E NO O nl Es 3 3 3 3 3 n Zz cm n sla E x 500mm 1300mm 1300mm 1300mm 1200 500mm 1320mm 54mm Figure 11 5 collectors portrait 1318mm This is a fixed dimension and must be as shown above 3 Dimensions amp Fixing Intervals 3 3 In Roof System Installation Position of Mounting Rails 1 5 Solar Collectors Vertical Side by Side 160 160 160 160 lt gt lt gt lt gt d 50 50 d 1460mm 00 OE M 2645mm A M 100 lt 100 A i im ii C C ST ST as Mm E E E C C LO LO S BH CN CN 100 EE i09 Y 4 CH Y i eo LL UU Figure 12 1 collector portrait Figure 13 2 collectors portrait 160 160 160 laa T 50 50 7 90 y 3835mm A L t ha 5025mm fe e 2450mm E E LO zt CN
22. Interlocking Bolt bracket on the mounting rail and fix using the interlocking bolts Do not tighten the bolts too tightly as final adjustment may be required For Figure 42 Installation of the Second interval b see Page 9 3 2 Flat roof Flat Roof Mounting Bracket installation ciii uu s 5 Unscrew securing cruciform 24 It is fixed to the legs of the flat roof mounting bracket and the mounting rail Place the angled long ends of the securing cruciform between the flat roof mounting bracket and fix with bolts M8x18 washers and nuts Note Always fit the stays of the securing cruciform to the right hand side of the flat roof mounting angles See detail views A and B 6 Tighten the nuts on the interlocking bolts If necessary modify the position of the second flat roof mounting bracket Note Use punching bolt 15 with offset screw tip for fixing to the mounting rail Do not confuse with cylinder Figure 44 Installation of the Second Flat Roof Mounting Bracket bolt 08 i a L oe kA Ge A A CS ae SENE EI Ka ki b a_i de 7 Si he E a m p b E x ky ma C S I m he E We e A a K UR ge Figure 43 Punch bolt cylinder bolt Figure 45 Fixing the Securing Cruciform and Mounting Rail 7 Place an interlocking nut 28 in mounting rail 04 and secure it in the mounting rail by turning it 90 Place a spacer sleeve 22 on the 9 3 Joining Mounting
23. Rails interlocking nut and fix the stays of 1 On some installations it may be the securing cruciform 24 using necessary to join two or more locking washer 21 and punching sections of mounting rail to create bolt 15 a longer length of rail Tighten the punching bolt until a 2 Join the sections of rail using the clear snap is heard Continue to screws and fishplates Supplied in turn and tighten normally the fixing kit provided Refer to the procedure given in section 4 6 Caution ci scad Turning the punching screw fixes the securing cruciform into its final position check distances and correct seating of the interlocking nuts beforehand 5 Flat Roof System Installation 8 Fix all further flat roof mounting Permissible roof load must not be brackets to the mounting rails in exceeded under any circumstances accordance with steps 2 4 and fix and if necessary a structural the legs tightly using cylinder bolts engineer must be consulted M8x18mm beforehand If the substructure has For mounting bracket intervals see been penetrated it must be Page 9 3 2 Flat roof installation carefully re sealed in accordance with technical standards 9 Place the flat roof mounting frame together with the T profiles align according to plan and make the structure robust To prevent damage to the roof covering it may be necessary to use protective mats If the flat roof mounting frame is not bolted to the building struct
24. Remove carry handles from the first solar collector and attach them to the next solar collector 5 Install anchor blocks 05 at the end of the mounting rail 04 and place them so that the fixing brackets 09 can be screwed flush to the ends of the mounting rail Figure 83 Installing the Anchor Blocks for the Fixing Brackets 7 Installation of Solar Collectors 6 10 det E 13 14 On the left outer edge of the solar collector 01 hook in two fixing brackets 09 into the solar collector profile a and push them down on to the mounting rails b Secure the fixing brackets in the anchor blocks using M8x14 cylinder bolts Secure the solar collector using two further fixing brackets on the opposite side e Place anchor blocks in the mounting rails e Hook fixing brackets into the solar collector e Secure using cylinder bolts M8x14 Place the compression fitting 11 on the connector of the first solar collector Hook two further mounting hooks into the lower mounting rail see Figure 82 Positioning the Mounting Hooks Place another solar collector on the mounting rail mounting hooks and remove the carry handles Place anchor blocks for the second solar collector in the mounting rail and align so that the fixing brackets can be fixed finally side by side Install fixing brackets into the solar collector profile and push them down onto the mounting rails Push the second sola
25. akes 20 mbar each The gravity brakes are incorporated into both the flow and return ball valve assemblies They are operated by turning the handle on the ball valve Figure 113 Ball Valve Opened To prevent the circulation of gravity pressure the gravity brake must be in the operating position closed This means that the slots in the handles are in the vertical position Figure 114 Gravity Brakes Opened To fill and completely empty the solar thermal installation the gravity brake is opened by turning the handles to the right The slots in the handles are at an angle of 45 Figure 115 Ball Valve Closed Turning the handles by 90 to the right The slots in the handles are in the horizontal position The ball valves are closed 13 Solar Pump Station Connectors A submersible sleeve with a G 1 2 outer thread can be screwed into the ball valve Figure 109 item 51 to enable a temperature sensor to be added Wall Mounting e Drill 2 anchor point holes 10mm insert anchors e Gcrew the entire solar station with the accompanying plates and screws to the wall through the rear insulation jacket Figure 116 Wall Mounting Fixings Important The solar pump station must only be installed vertically as shown Note These Instructions are to be left with the 54 Solar System Operator Building Owner Solar collectors 42 Flow ball valve with thermometer Lnnnnnnriiinnnnnnda intergrated gravi
26. cident or failure to operate the system in accordance with the Installation and User Instructions provided The Solar Thermal System is registered with Grant Engineering UK Ltd within thirty days of installation Failure to do so does not affect your statutory rights The Grant Solar Thermal System must be installed by a competent installer and in full accordance with the relevant Codes of Practice Hegulations and Legislation in force at the time of installation The Grant Solar Thermal System components must not have been modified or tampered with The installation must be serviced every twelve months as per the Installation amp User Instructions provided Receipts should be kept as proof All claims under this guarantee must be made to Grant Engineering UK Ltd prior to any work being undertaken Proof of purchase and date of installation must be provided on request Invoices for call out repair work by any third party will not be accepted unless previously authorised by Grant Engineering UK Ltd This guarantee is transferable providing the installation is serviced prior to the dwelling s new owners taking up residence Grant Engineering UK Ltd must be informed of the new owner details Grant Engineering UK Ltd will endeavour to provide prompt service in the unlikely event of a problem occurring but cannot be held responsible for any consequence of delay however caused This guarantee applies to Grant
27. e filling station eg floor loft boarding or similar 14 1 Heat Transporting Fluid In order to prevent frost and corrosion damage to the solar collectors and connections the system may only be filed with a high quality heat transporting fluid propylene glycol and water mix If the recommended ready mixed fluid is used this provides adequate frost protection to approx PARO 14 2 Instructing the Operator The installer must instruct the system operator in the function operation and required servicing intervals of the system The system operator must be given the instructions for installation and use for safekeeping Figure 118 Filling Station 14 3 Filling and Flushing the System Filling the System Before filling the system check the Re open the flush fill valve Heat Transfer Fluid Blue non toxic heat transfer fluid Practically odourless based on 1 2 propylene glycol Good corrosion inhibitor Remains stable over long period of time Nitrate phosphate and ammonia free 40 solution of propylene glycol in water Supplied ready mixed in 10 or 20 litres containers Filling and Flushing Valves The stop valves on the flush fill valve assembly are used for filling and flushing the solar thermal installation To enable filling flushing the slot in the flush fill valve spindle must be in the horizontal position See Figure 120 Important The collectors must be cool before fillin
28. ed Note For slates use the mastic bead supplied in the kit to seal the bottom flashing 15 A and 15 B to the roof Place the bead on the underside of the flashing along the entire length remove backing strip and press down to seal two slates Figure 56a Installation of Lower Base Tray Figure 56b Installation of Upper Base Tray Bottom edge of base tray on 09 fold line of bottom flashing Figure 56c Section Through Bottom Flashing Table 6 Position of Base Tray Portrait 145mm Landscape 165mm For Portrait installations refer to page 24 3 Fit first lower base tray 10 A Position side of tray at distance C from end of bottom flashing with lower edge along the fold line of the bottom flashing see figure 56c Fix to lower middle batten 02 A using a single screw at the centre of the upper edge see Figure 56a Do NOT use one of the sealing screws provided in the installation kit for this fixing Fit first upper base tray 10 B Locate the lower edge of upper base tray into top of lower base tray until the side channels touch Fix to upper middle batten 02 B using one of the self drilling sealing screws provided in the installation kit at the centre of the upper edge see Figure 56b 6 In Roof System Installation 4 Fit second lower base tray As with first lower base tray position it with the lower edge along the fold line of the bottom flashing Ensure gap b
29. etween trays does not exceed 4 mm see Figure 57c Fix to lower middle batten as before using a single screw see Figure 57a Fit second upper base tray locating it into top of lower tray and fixing to upper middle batten using one of the self drilling sealing screws provided in the installation kit at the centre of the upper edge see Figure 57b For installations using more than two collectors repeat the above procedure to fit further lower and upper base trays as necessary Figure 57a Installation of First Base Tray Figure 57b Installation of Second Base Tray Vs D Figure 57c Maximum Gap Between Base Trays Figure 58d Installation of Fourth Tray For Landscape installations refer to page 25 5 Fit first right hand RH half base tray 10 B with upwards facing return fold towards centre Position side of RH half base tray at distance C from end of bottom flashing with lower edge along the fold line of the bottom flashing see figure 56c Fix to middle batten 02 using one of the self drilling sealing screws provided in the installation kit at the centre of the upper edge see Figure 58a Fit first left hand LH half base tray 10 A hooking the downwards facing return fold into the corresponding fold on the fixed RH half base tray Position LH half base tray with lower edge along the fold line of the bottom flashing Fix to middle batten using one of t
30. f either temporarily or permanently a safe method of removal must be employed for working at height e g a tower scaffold or permanent scaffold After removal of the collectors the roof covering should be reinstated and made weatherproof If the collectors are to be left in position for a long period in excess of 30 days with the system decommissioned and drained of solar fluid it is advisable to cover them using Grant reflective solar covers Grant Ref GS222002 pack of two 18 Warranty 18 1 The Grant Solar Thermal System Warranty Dear Customer You are now the proud owner of a Grant Solar Thermal System from Grant Engineering UK Limited that has been designed to give years of reliable trouble free operation Grant Engineering UK Ltd Guarantees the manufacture of the system including all electrical and mechanical components for a period of twelve months from the date of purchase provided that the system is installed in full accordance with the installation instructions provided This will be extended to a period of five years if the system is registered with Grant UK within thirty days of installation and it is serviced at twelve month intervals See Terms and Conditions below Important Please register your Grant Solar Thermal system with Grant UK within thirty days of installation as follows Either a visit www grantuk com and follow the links to the Householder Zone or b go to ww
31. g the system can commence The collectors must be covered to stop solar radiation reaching them until completion of the filling and commissioning procedure Figure 119 Heat Transfer Fluid expansion vessel charge pressure and adjust as required Refer to Table 10 Connect pressure hose to the filling valve connection and open the valve Connect the flushing hose to the flushing valve connection and open the valve Using a slotted head screwdriver close the flush fill valve Refer to Figure 120 Fill the filling station tank with sufficient solar fluid for the system Check that Flow and Return ball valves are set half open Refer to Figure 114 Using filling station fill the solar circuit and then flush for approx 15 minutes When the filling pump is running close the flushing valve and set the system pressure to around 4 5 bar When the pressure is reached close the filling valve and immediately switch off the filling pump Check that the device is leak free If the pressure gauge shows a significant drop in pressure this points to a leakage in the system Filling Connection Flush Fill Valve mr Flushing Connection Figure 120 Flush Fill Valve Closed For Filling owitch on the circulating pump control position manual to the highest pumping level III and allow it to circulate for at least 15 minutes e Set the controller to stand b
32. ght Use serrated washers to secure the nuts Install all further mounting rails in the same way Align the mounting rails horizontally and vertically so that the rails and the roof tiles are parallel Diagonal dimensions between mounting rails must be equal DI D2 Tighten the nuts on the interlocking bolts Installation of solar collectors See pages 33 to 35 4 6 Joining Mounting Rails IL On some installations it may be necessary to join two or more sections of mounting rail to create a longer length of rail Join the sections of rail using the screws and fishplates supplied in the fixing kit provided as follows Fit the fishplate into the rectangular opening at the end of the one section of mounting rail Refer to Figure 36 Align the threaded hole in the fishplate with the hole in the rail 50mm from the rail end fit the cylinder bolt provided and tighten to secure Refer to Figure 37 Fit the exposed end of the fishplate into the rectangular opening of the second mounting rail As before align the threaded hole of the fish plate with the hole in the rail fit the cylinder bolt and tighten to secure the second rail section to the first Refer to Figure 38 Hepeat this process for all other connections between mounting rail sections Now go to Section 7 Figure 35 Aligning the Mounting Rail Figure 36 Installing the Fishplate Figure 37 Fixing the Fishplate Figure 3
33. gure 102 Electrical Connection K Collector Grant GSD1 Controller Pump A Pos e Station A A Electrical unction Bo o o 3 Amp fused supply IDO Limit Oylinder Thermostat for bottom coil SSS sesso OOOOOOOOOQ i O M3 CO 4 O1 O CO O Twin coil Oylinder E S not supplied Figure 104 System Schematic Diagram E E Control 1 2 2 1 Solenoid Solar pump Valve Figure 103 Wiring Diagram 12 Differential Controller User Guide 12 1 Operation Explanation of the Operating Elements In Display Level Normal Mode OFF ON MANUAL switch O Q9 3X9 Access the A W operating level by E og pressing the Plus and Minus keys simultaneously Automatic reset after 2 min without operation In Operating Level Setting Parameters Programming key selection or input Plus key next value or increase value Minus key previous value or decrease value c A v Press the Plus and Minus keys simultaneously to return to the display level A V Program Switch Settings OFF The pump is not activated O ON
34. hand Top Cover Flashing 07 4 must be cut It may also be necessary to remove the upstands fitted to the roof tiles on the sheet side side cover sheet Note To improve the weather tightness of the roof covering optional foam wedges can be bonded to the side flashings before closing the roof area 2 Rooftiles above the solar collector field are usually cut also Overlapping for the top cover sheets must be carried out according to the following values for Figure 74 Fitting Foam Block 14 roof incline 35 at least 120mm gt 35 at least 100mm gt 50 at least 80mm Important Following installation the collectors must be covered to stop solar radiation reaching them until completion of filling and commissioning Figure 75 Position of Foam Sealing Wedges 7 Installation of Solar Collectors Figure 76 Connections for Portrait B 7 1 Installation Sequence of Format Collectors Mounted Side Solar Collectors by Side In accordance with solar collector connection and installation type there are small differences in the installation sequence of solar collectors e fthe installation kit contains straight compression fittings these must be installed during solar collector installation Refer to section 8 1 Figure 77 Connections for Landscape Format Collectors Mounted one Above the Other e If the installation kit contains angled compression fittings these must be installed after
35. he solar fluid is supplied If the system is to be taken out of use permanently or not to be used for some time shut off the incoming cold water supply to the cylinder and drain all the water from the cylinder via the drain of cock in the cold supply to the cylinder If the twin or triple coil cylinder is to be used to provide hot water following decommissioning of the solar thermal system re open any 2 port valves in either the flow and return pipe s from the remaining heat source s Check the settings of all cylinder controls control and overheat thermostats and heat source controls temperature controls and programmers Switch on the heat source s gas or oil boiler heat pump etc to put the cylinder back into operation 17 2 Disposal of Solar fluid The propylene glycol used in the Grant pre mixed solar thermal system fluid is non toxic and does not contain any nitrates phosphates or ammonia Refer to Section 14 3 for details of the Grant solar fluid However DO NOT dispose of the solar fluid into household drainage system controlled water or any other drainage system e g storm drain sewers etc ONLY dispose of used solar fluid 40 propylene glycol water solution in accordance with local regulations i e at a licensed recycling or disposal centre Check with you local authority for details of disposal facilities in your area 17 3 Collectors If the collectors are to be removed from the roo
36. he code number the set values assigned to the fitter level can be modified Standard value 0000 21 Valid Code No The code number currently valid can be modified with this setting Value only visible after entering the currently valid code No 22 System Selection See Appended Diagrams On selecting the system the function of the device is redefined Set the system number according to the connection descriptions System 1 solar or System 2 solid fuel After changing the System Selection parameter all the set values are reset to the default factory values including the code No The fitter level is closed Switching Thresholds Hystereses 30 Switching Threshold for Difference 1 The feeding function for storage tank I via pump A1 is activated when the temperature difference between sensor F1 collector and sensor F4 bottom of tank has exceeded the temperature switching threshold hysteresis P30 P31 The feeding function for storage tank is deactivated when the difference falls below the set switching threshold 31 Hysteresis to Switching Threshold for Difference 1 Special Functions 40 Enable Temperature Collector System 1 Only System 2 No Function The collector pump is activated when the associated collector temperature exceeds the limit value set here by 5K It is stopped when the collector temperature falls below the threshold temperature This function prevents the pumps continu
37. he last roof tile in the row and position the bottom fixing batten 01 supplied by installer between 180 and 230mm up from the existing roof batten below such that the fold in the bottom flashing x sits exactly on the top edge of the 5 d 18 di tiles see Figure 52 and 53 Secure the bottom batten to the rafters with screws supplied by installer Note The specified thickness for the battens is 30mm H the existing roof battens are thicker then it will be necessary to either pack out the battens or use thicker ones so the top of each batten is flush with the existing roof battens Note The screws for fixing the horizontal fixing battens must be provided by the installer V a Figure 50 Remove Roof Covering Do not use sealing screws 16 supplied in the installation kit ow Figure 51 Screw Comparison Figure 52 Bottom Fixing Batten 3 Align the upper middle batten 02 B the lower middle batten portrait only 02 A and top 03 to the bottom horizontal batten 01 Hefer to table for the intervals between the battens Secure the Table 4 Fixing Batten Spacing battens to the rafters with screws A 2025 1125 supplied by installer nd d B 260 260 C 1110 N A Figure 53 Top Upper middle Lower middle and Bottom Horizontal Fixing Battens 6 In Roof System Installation 6 3 Installation of In Roof Kit 1 Fit the bottom flashings Note The lead aprons on the bot
38. he self drilling sealing screws provided in the installation kit at the centre of the upper edge see Figure 58b Fit second RH half base tray As with the first tray position it with the lower edge along the fold line of the bottom flashing Ensure gap between trays does not exceed 4mm see Figure 57c Fix to middle batten using one of the self drilling sealing screws provided in the installation kit at the centre of the upper edge see Figure 59a Fit second LH half base tray hooking over fold on RH half base tray with lower edge along fold line of bottom flashing Fix with a single screw as before see Figure 59b For installations using more than two collectors repeat the above procedure to fit further RH and LH half base trays as necessary For either Portrait or Landscape installation continue as follows 7 Fit side gutter 09 Position side gutters against side of base tray with bottom edge along fold line of bottom flashing Ensure that outer edges of each side gutter is located INSIDE the return edge on the bottom flashing 8 Secure side gutters in place using the clips provided Hook the clips over the outer edge of the side gutters and fix to battens using the nails provided Figure 60 Installation of Side Gutter Figure 63 Securing Side Gutter Clips 9 Fit cover strip on the joint between the base tray and side gutter Fit the end of the strip onto the two outward
39. ided 9 9 Roof Penetrations 41 1 8 Tools required 5 1 9 Standards and guidelines 6 9 1 Roof Gei ui 2 Package Contents 7 10 Differential Controller 43 2 1 Standard installation kits and roof fixings Tad EENS REGER E Roof mounted system only ti 10 2 Technical data 43 a 10 3 Operation 44 3 Dimensions amp Fixing Intervals 8 104 Sensors AA 3 1 On Roof system 8 3 2 Flat Roof system 9 11 Electrical Installation 45 3 3 In Roof systems 10 11 1 Electrical connection 45 4 On Roof System Installation 12 12 User Guide 46 4 1 Installation summary 13 12 1 Operation 46 4 2 Profile tile 14 12 2 Starting up 47 4 3 Flat tile 15 12 3 Explanatory information ay i n us m uu Di 13 Solar Pump Station 51 gt f le an A mounting rails 13 1 Solar pump station 51 Oy sean mle Tale 13 2 Installation and operation 02 5 dn heet System Installation We 14 Commissioning the System 56 i M Pula d ZS a6 14 1 Heat transporting fluid 56 S f di m SECH Ges SEN 26 14 2 Instructing the operator 56 EES 14 3 Filling and flushing the system 57 6 spire Installation pi 15 Commissioning 59 l A SUS SARRR Commissioning check list 59 6 2 Substructure 26 6 3 Installation of In Roof kit 28 16 Maintenance 61 6 4 Installation of collectors 33 17 D TET 62 6 5 Fitting top cover flashing 35 Sig 6 6 Closing the roof 99 18 Warranty 63 1 General The following information is a step by step guide to the installation and operation of the Grant Solar Thermal system 1 1 Produc
40. igure 96 SolarDek Hashing 9 Roof Penetrations 2 Push the thermal insulation for the solar collector connection kits 06 up to the solar collector For Ventilation Tiles Pass the insulated pipes through the opening in the ventilation tile for connection inside the roof space For Lead Flashings Cut the insulation and fit over the copper pipe on the flashing Pass the flexible connection pipe through the copper pipe flashing for connection inside the roof space For SolarDek Flashings Cut the insulation to fit on to the silicone seal Cut the silicone seal to give the required diameter hole for Figure 97 Detail View of Solar Collector Field Connection the pipe Pass the pipe through the On Roof Systems silicone seal for connection inside the roof space 3 If the substructure is punctured the roof covering must be re sealed afterwards Guide the connection pipes into the correct position through the waterproof membrane The seal can be restored by attaching overlapping strips of waterproof membrane for example Overlap must be a minimum of 100mm For In Roof Systems Only 4 The flow and return connection pipes can be located beneath the top flashing where they can pass through the waterproof membrane Figure 98 Detail View of Solar Collector Field Connection On Roof Systems Figure 99 An Example of Passing Through the Waterproof Membrane 10 Differential Controller
41. ing to run when no relevant heat production is required 41 Maximum Collector Temperature System 1 Only System 2 No Function The collector pumps are deactivated when the related collector temperatures exceed the safety limits set here gt System protection The pumps are reactivated when the temperature falls below the temperature maximum collector temperature 10K 12 Differential Controller User Guide 43 Maximum Storage Tank Temperature The maximum storage tank A temperature is monitored by F4 In this case the tank covering must be taken into account The pump is deactivated when the temperature falls below the temperature maximum storage tank temperature OK Pump Kick Function Temperature Test Function System 1 Only System 2 gt No Function 60 Kick Duration sec Collector pump runtime following pump kick 61 Kick Pause min If the collector pump has not run for the duration set here the pump is activated for the kick duration period P60 62 Measuring Time for 0 5K Increase min The course of the collector temperature is controlled during this period following a pump kick If an increase of 0 5K is detected the pump is started for a further minute Production Estimate System 1 Only System 2 No Function The controller can perform an estimated production calculation To do this enter the average volume flow through the respective collector when the chargi
42. ion Supply voltage complying with DIN IEC 60 038 Power consumption Switching capacity of the relays Maximum current on terminal L1 Type of protection complying with DIN EN 60529 Protection class complying with DIN EN 60730 Power reserve of the timer Permitted ambient temperature during operation Permitted ambient temperature for storage Sensor resistances F1 F3 and F4 10 2 Technical Data 230 V AC 1096 Max 4 VA 250 V 2 2 A 6 3A IP 40 Il Totally insulated 10 hours O to 50 C 30 to 60 C Multiplier PT1000 1kQ 0 296 at 0 C Eu 10 Differential Controller 10 3 Operation System 1 Solar Differential Regulation 230V Switching capacity of relays 2 2 A 250V Mains power 20 Supply to device and pump A1 19 N conductor for device 17 N conductor for collector pump A1 16 Supply connected to collector pump L1 A1 Sensors 1 7 Collector sensor F1 4 5 Sensor bottom of storage tank F4 Switching conditions for A1 P set value Refer to pages 46 amp 47 Heat production difference to storage tank and min temp ON F1 F4 P30 P31 and F1 gt P40 5K OFF again F1 FA P30 or F1 lt P40 Maximum storage tank temperature OFF E Pree ON again F4 lt P50 5K Maximum collector temperature ORF F1 gt P41 ON again F1 lt P41 10K 10 4 Sensors F1 F4 e Silicone cable 1m length e PT1000 sensor with 1kQ 0
43. kets Repeat for a second collector and so on for further collectors 3 Install the top mounting brackets after collectors have been fitted onto bottom mounting brackets Remove the protective film from the underside of two mounting Te brackets Lift top end of one Figure 69 Installation of the Collectors on to Bracket collector and position the two mounting brackets with the holes at the top against the top edge of the collector Lower the collector and press the bracket into place on the base tray Fix in place with the self drilling screws supplied in the kit using a Torx 25 screwdriver Refer to Figure 71 4 Adjust position of the two anchor blocks in top collector profile to align with the hole in the two mounting brackets Fit the two cylinder bolts through the top mounting brackets into the anchor blocks and tighten Repeat for bottom mounting brackets 5 Repeat procedure for second collector and so on as required 6 5 Fitting Top Cover Flashing Note Flow and return system pipework and connections between collectors should be completed and tested before fitting closure strip s and top cover flashings to collectors Figure 70 Installation of the Top Brackets 1 First fit closure strip to cover the gap between two oollectors Locate one of the two long flanges on the underside of the closure strip against the side of one of the two adjacent collectors Push on the other flange until the cl
44. llectors Fit the insulation onto the copper pipe fit the pipe between the elbows and refit them to the collector connectors 4 Tighten the compression elbows Caution Apply opposite force when tightening the compression connections otherwise the pipes on the solar collector can be damaged 5 After successfully checking the seal of the solar collectors fit the thermal insulation on the pipe and elbows 6 Continue in the same way to install additional solar collectors 9 Roof Penetrations 9 1 Roof Penetration For On Roof Systems Only IE There are several options for making weathertight roof penetrations including Ventilation Tiles Increase the opening in the ventilation tile to allow the Insulated pipes to pass through or remove the grill inserts if possible Locate the ventilation tiles adjacent to the collector connections Lead Flashings Remove the tiles adjacent to the collector connections Drill a 25mm hole in the tile using a diamond tipped bit Locate the flashing below the drilled tiles with the copper pipe passing through the drilled hole SolarDek Flashings These have a coated lead base with a silicone centre section that is cut off to suit the diameter of the pipe These can replace the tiles adjacent to the collector connections Figure 93 Solar Collector Field Attachment for On Roof Systems Figure 94 Ventilation Tile Figure 95 Lead Flashing F
45. n Caution Never attach safety harness to the installation system Expose the area above the rafters For roof anchor intervals see page 8 3 1 On Roof System Note As a rule pushing up the roof tiles is sufficient Horizontal positioning of roof anchors is dependent on the rafters and the tile valleys Horizontal Distano Figure 26 Dimensions of Roof Anchor B Horizontal alignment Vertical alignment vn st Figure 27 Horizontal and Vertical Alignment 3 Place roof anchor 03 B in line with the top edge of the roof tile Fix the roof anchor to the rafter with screws 16 Fix all further roof anchors in the same way For roof anchor intervals see Page 8 3 1 On Roof System installation Note Roof anchors must be horizontally and vertically aligned follow roof tile valleys Figure 28 Fixing Mounting Battens and Roof Anchors 4 On Roof System Installation 4 4 Slate Tile Roof Anchors fixed to Rafters 1 On slate roofs additional mounting battens are fixed to the roof substructure Roof anchors C are fixed through the slate tiles to the mounting batten batten mounted installation Caution Never attach safety harness to the installation system 2 Expose the area required for installation length of mounting batten For roof anchor intervals see Page 8 3 1 On Roof System installation Figure 29 Horizontal and Vertical Alignment Note As a rule pu
46. n 05 Pump kick function switch on time 07 00 06 Pump kick function switch off time 00 00 24 00 22 00 20 Enter code No 0000 9999 21 Code No 0000 9999 0000 30 Switching threshold for difference 1 1K 30K 9 31 Hysteresis to switching threshold for 1 1K 10K 3 40 Enable temperature collector s 20 C 90 C 41 Maximum collector temperature 80 C 180 C 110 C 50 Maximum storage tank temperature 10 C 130 C 60 Kick duration 0 2s 59s O OFF e Volume flow fix for collector 1 litre min 0 100 0 0 OFF 78 Mixing ratio O 70 vol 96 40 96 Explanation of the Set Values Functions In order to modify the standard settings refer to the chapter Electrical connections select the relevant system according to the hydraulic systems illustrated and define these settings first of all The chapter Explanation of Set Values Functions describes the various set values according to their dependence on the selected realized system 1 2 If the controller e g for System 1 is used only refer to the function descriptions related to this system User Set Values 01 Set Time Set the current time Indicators pump kick function and reheating function 02 Weekday Set the current weekday 1 7 1 Monday Display only Resetting the Production Indicators 03 Day s Production Indicator System 1 Only System 2 No Function Heset the value to 0000 by pressi
47. ng the Prog key for at least 2 seconds The value is reset to 0000 at 24h 04 Total Production Indicator System 1 Only System 2 No Function This value is updated at 24 00 gt To determine the current total value accurately the day s production value must be added to the indicated total production value Reset the value to 0000 by pressing the Prog key rZ for at least 2 seconds Pump Kick Function Temperature Test Function System 1 Only System 2 No Function The pump kick function can be executed during the time period of the day in which solar production is expected PO5 PO6 This function should ensure that the actual collector temperature can be measured by the collector sensor even when the collector pumps are not operating The function is deactivated when PO5 P06 or P60 0 Each time the kick pause P61 has ended the corresponding collector pump is activated for the period of the kick duration P60 neat transport to the sensor If a temperature increase of 0 5K is detected on the respective collector sensor during the measuring period P62 the collector pump is activated for one minute Finally the switch on conditions for the collector pump are checked 05 Pump Kick Function Switch On Time Refer to Pump kick function section 05 Pump Kick Function Switch Off Time Refer to Pump kick function section Fitter Set Values 20 Enter Code No After entering t
48. ng Protection The controller effectively prevents the pumps blocking following longer periods out of operation The integrated protection function activates all the pumps which have not operated within the last 24 hours each day for approx 5 seconds between 12 00 and 12 01 13 1 Solar Pump Station Introduction A two line solar pump station which include flow and return isolation valves All other fittings for safe operation of the System are housed within this unit Figure 107 Solar Pump Station Components System bleeding Flowmeter Special solar pump Compact heat insulation Shut off valve with gravity braking 6 bar safety valve Pressure gauge Connector expansion vessel Filling and flushing connector GRANT Features amp Benefits Figure 108 Components Flow meter volume flow rate setting Solar pump tailored to solar installation low volume flow rate high pressure difference Compact insulation Efficient and attractive prevents heat loss otop valves with gravity breaking 6 bar safety valve low vapour build up Long service life of component Connection to expansion tank Quick installation Flush filling connections For high pressure filling unit Solar Pump Station c ech 13 Solar Pump Station 13 2 Installation and Operating kt Ek 45 Instructions for OEM Solar i ge Pump Station 222154 Solar GRUNDFOS i 43 Station 1 RS 15 6 SOLAR 15 60 130 50 4
49. ng pages Press the Prog key A gt Select the set value The LED beside the Prog key lights up This means that the set value can now be modified with the Plus Minus keys Change the set value using the Plus Minus keys Press the Prog key gt The modified value is saved Setting mode can be ended at 1 any time by pressing the Plus and Minus keys simultaneously Changes which have been entered but not stored by pressing the Prog key have no effect A Se Exit from the L prog operating level by pressing the Plus and Minus keys simultaneously Set Values Protected by Code No from No 20 It is only possible to change the set values from No 20 after entering the code number These set values may only be modified by an authorized fitter A If these values are set incorrectly they may cause malfunctions or damage to the system e Select set value 20 code No input e Press the Prog key and enter the 1 to 4 digit code number Confirm each digit by pressing the Prog key e Select the set value to be modified e Press the Prog key and change the set value e Conclude the input by pressing the Prog key If an attempt is made to enter an impermissible value the system automatically returns to set value 20 enter code number 12 Differential Controller Table 9 Set Values List 01 Set time 10 00 02 oet weekday 1 Monday 03 Day s production 04 Total productio
50. ng pump is in operation P75 Hefer to page 58 for volume flow rate The volume flow is totalled during the runtime of the collector pump The controller can calculate the solar heat production from the volume flow and the temperature difference F1 to F4 For the calculation the heat transport medium used in the system glycol type P79 and the mixture ratio with water P78 must be set The day s production and total production are displayed in kWh in the case of values in excess of 10 MW the display of the total production changes to MWh The change is indicated in the display by means of three arrows The total production is updated on the same day The day s production is reset to zero at midnight Both values can be reset to zero at user level by means of the Prog key 75 Volume Flow Fix for Collector 1 Litre min Enter the average volume flow through the collector while the collector pump is in operation The accuracy of this value directly influences the accuracy of the production calculation 78 Mixture Ratio System 1 Only System 2 No Function Hefer to the documents supplied for information on the mixture ratio of the heat transport medium filing of the solar energy system or ask the installation technician 79 Glycol Type System 1 Only System 2 No Function Solar electricity system documents installation technician O Propylene glycol 1 Ethylene glycol Pump Blocki
51. osure strip clips into place between the collectors 2 Ensure that the closure strip is contact with the collector sides over its entire length Slide the closure strip up or down as necessary to align it with the top and bottom with the ends of the collectors Fold the closure strip ends over the top and bottom of the collectors to secure the closure strip in place Figure 71 Fixing of the Top Brackets 3 Hepeat this process to fit further closure strips as required 4 Fit right hand top flashing first Locate slot in lower edge of flashing onto top edge of collector Ensure right hand end of flashing is fitted INSIDE the return edge on the right hand side gutter 5 Fit left hand top flashing onto top edge of collector overlapping the right hand flashing in the centre Ensure left hand end is fitted INSIDE the return on the left hand side gutter Fix the right hand Figure 72 Fitting right Top Cover Flashing 07 B to Collector flashing to the batten beneath using the self drilling screws provided in the kit See Figure 73 6 Atthe centre lift the end of the left hand top cover flashing and remove the protective film from the Butyl tape on the right hand flashing Press down the end of the left hand flashing to seal Fix the left hand flashing to the batten beneath using the self drilling screws provided in the kit 6 6 Closing the Roof 1 If necessary the right roof tile row Figure 73 Fixing left
52. pump Minimum ambient temperature for pump Circulation rate setting Litres per minute Noise at full circulation acceptable Direction of circulation through collector heat exchanger matched to sensor positions Yes No Yes No Yes No Yes No Yes No Yes No Yes No Flat Selective 2 32m Absorber Yes No C Yes No Grant UK 209 C 10 Bar 10 Bar Bar 2 Bar 0 5 Bar Yearly Pumpstation 3 Amps Yes No Yes No SEE DPE 2 5 Bar Litres Yes No Not required 25 C 25 C Water Glycol 30 C 0 C Yes No Yes No 15 Commissioning Commissioning Check List oolar pre heat store type Solar primary heat exchanger type Solar primary heat exchanger area Volume of dedicated solar pre heat Location of DHW isolation valve Method of anti scalding in DHW distribution Pump control thermostatic mixer valve Location of digital temperature gauge fitted to monitor risk of DHW overheating Limescale risk to heat exchanger Limescale control in heat exchanger Expected annual delivered solar energy to taps Expected annual solar fraction of DHW Method of performance calculation Daily DHW load assumption Date of site visits for bacterial water quality and access risk assessments Commissioned by On behalf of Date system commissioned and handed over oignature of commissioning engineer oignature of user to confirm receipt and understanding optional Combined with
53. r collector up to the first solar collector until the ends of the fixing brackets touch using cylinder bolts M8x14 Note Take care with compression fitting Guide the second solar collector s connector into the compression fitting Continue in the same way to install additional solar collectors Important Following installation the collectors must be covered to stop solar radiation reaching them until completion of filling and commissioning 01 K w Figure 84 Hook Fixing Brackets in the oolar Collector Profile Figure 85 Align Anchor Block for Additional Fixing Brackets 45mm i A af Figure 86 Hook Fixing Brackets in the Solar Collector Profile 14 01 Figure 87 Align Second Solar Collector 8 Hydraulic Connections 8 1 Compression Connection Straight JE Tighten the nuts on the compression connection 11 Caution Apply opposite force when tigntening the compression connection otherwise the pipes on the solar collector can be damaged After successfully checking the seal of the solar collectors place thermal insulation 12 around the hydraulic connection and remove the protective film from the adhesive strip to secure it in place Continue in the same way to install additional solar collectors Inlet connection A and outlet connection B for the solar collector field is left to the installer to choose Caution
54. rculating pump and the restrictor in the flush fill panel The flow indicator displays the volume flow set The display range is between To d h lastic tube on to the 1 and 13 litres per minute Neh eid Ma oiu the air vent outlet and catch the fluid Note that is released in a suitable container For larger installations please contact Grant Technical Department for Ventilation may be carried out only assistance by trained specialists Unchecked ventilation leads to pressure loss and disruption in the system Caution Danger of scalding The temperature of both the escaping air and the heat transfer fluid can exceed 100 C Figure 123 Releasing Trapped Air Head off the volume flow values on the top edge of the rotameter Figure 122 Flow Indicator e 15 Commissioning Commissioning Check List User Instructions explained and handed over Decommission schedule for collector and cylinder left on site Installation and maintenance instructions left on site opecialist maintenance schedule including frequency maintenance and list of parts to be replaced during normal maintenance left on site oystem drawing indicating hydraulic valve and electrical connections otore commissioning certificate completed and signed Conformity declarations for EU directives All documentation to be kept visibly near store protected from heat water and dust Name of location where documentation is left Glazing forma
55. shing up the roof slates is sufficient Horizontal positioning of roof anchors is dependent on the rafters and the tile valleys Horizontal Distance al alignment Horizont A M ene Vertical alignment Figure 30 Horizontal and Vertical Alignment Note 3 Mounting battens 18 are fixed with If roof is fully sarked timber boards screws to the rafters at a distance of then mounting anchors should be 185mm from the roof batten below screwed through sarking into the Note rafters below The distance of 185mm is dependent on the roof anchor and 16 16 type of roofing and must be modified if necessary 4 Place the roof anchor 17 on to the slate tile and mounting battens and fix with screws 16 5 Fix all further roof anchors in the same way For roof anchor intervals see Page 8 3 1 On Roof System installation Note Figure 31 Fixing Mounting Battens Figure 32 Fixing Mounting Battens Roof anchors must be horizontally and Roof Anchors and Roof Anchors through Sarking and vertically aligned 4 5 Alignment and Fixing of Mounting Rails JE Close the roof covering at the top and bottom Fix top mounting rail 04 to the roof anchor 03 Position the heads of interlocking bolts 10 parallel to the mounting rail O4 and place them on the mounting rail push the interlocking bolts to the top in the roof anchor 03 and secure with a 90 turn Tighten the nuts of the interlocking bolts hand ti
56. solar collector installation Refer to section 8 2 Figure 78 Connections for Two Landscape Format Collectors Mounted Side by Side The choice of Outlet flow connection A and inlet return connection B for the collector array is up to the installer to suit the installation Caution Locate the temperature sensor of the solar controller in the sensor we pocket next to the outlet flow Figure 79 Connections for Two Portrait E A connection of the collector array Format Collectors Mounted one Above per the Other Pte p A 19 D t Figure 80 Connections A for Three Landscape Format Collectors Mounted Side by Side Now go to Section 7 7 2 Installation of Solar Collectors On Roof and Flat Roof 1 Note Do not carry the solar collectors by their connections Use carry handles To install carry handles fit anchor blocks 05 to the solar collector profile and fix the carry handles using two oylinder bolts M8x14 08 2 Fit two mounting hooks 14 per solar collector in the lower mounting rail Fit the mounting hooks into the mounting rail so that they will be 100mm away from the edge of the solar collectors Figure 81 Fixing the Carry Handles Distance c For portrait collector format approx 800mm 3 Place the first solar collector on the mounting rail mounting hook and align Distance to left hand mounting rail edge 39mm 4
57. t Side gutter Left hand oide gutter Right hand Base tray left half Base tray right half Hydraulic connection Insulation Temperature sensor Cover strip not shown for slates not shown for slates The standard Grant in roof kit for slate roofs may not be suitable for some reclaimed slate uneven or rough slate roofs In this case please contact Grant UK for advice and assistance regarding suitability 16 A 16 5 17 A 17 B 18 19 20 21 22 23 Bottom apron Left hand flashing for tiles Bottom apron Right hand flashing for tiles Top cover Left hand flashing Top cover Right hand flashing Fixing screw not shown Clip with nail not shown Foam draught seal wedge Foam draught seal block Closure strip Collector to collector connection kit landscape collectors only E 6 In Roof System Installation 6 2 Substructure Caution Adequate rear ventilation of the integrated roof installation must be provided using suitable means e g cross battens A waterproof membrane waterproof membrane is absolutely essential Caution Do not attach safety harness to the integrated roof installation system 1 Remove tiles in the installation area Intervals must be above those given on Page 10 11 For ease of installation an additional continuous row of roof tiles is required Horizontal Distance Horizontal alignment 4 2 DI CH O 2 Remove t
58. t Description The Grant Solar Thermal system uses flat plate solar collectors that can be fitted in either a portrait or landscape configuration and offers three different mounting methods On roof In roof and Flat roof The On roof and In roof mounting kits are designed for use on roof slopes of between 20 and 65 and must be installed in accordance with these instructions The Flat roof mounting kit can be used on any flat surface capable of carrying the weight of the collectors and any dead weighting used In Roof Systems only A waterproof membrane must be used on all roofs On older roofs the sarking felt is acceptable but if this is not present then a breathable waterproof membrane must be fitted and it should end at the eaves roof guttering Short term damp can occur beneath the roof covering tiles or slates on roof slopes of less than 20 or greater than 65 or where there are long rafters or Joined roofs as a result of extreme weather conditions e g driving rain snow covering or ice formation This can be avoided by using additional wedge section sealing strips However adequate ventilation of the roof must still be provided Installation kits for On roof installations are supplied with roof anchors to suit the type of roof covering concerned i e profile tiles flat tiles or slates This must be specified when the kit is ordered Before commencing ins
59. t of solar collector Absorber type Net absorber or aperture area Copy of EN 12975 conformity certificate left on site What is max design temperature Will system prevent collector overheating Manufacturer s name Unique serial no Maximum stagnation temperature of collector Maximum design pressure of collector Maximum design pressure of pre heat store exchanger Primary pressure limit of weakest component oystem pressure setting adjusted when cold Minimum allowable primary system pressure level before user action required Procedure for user to follow if primary pressure level is below limit Location of primary system pressure gauge Frequenoy of regular test of pressure safety device Location of pressure safety device Location of electrical fused isolating switch Fuse rating Electrical controls and temperature sensors operating correctly Non solar DHW heating fitted with a thermostat responding to the solar pre heat store Differential pump control setting Hysteresis setting about differential switching points Expansion vessel pre charge Expansion vessel capacity Expansion capacity suitable to be inherently secure Written warning left on site if there s potentially no automatic resumption of normal operation after stagnation Lowest ambient temperature of primary system without freeze damage The heat transfer fluid provides freeze protection to Type of transfer fluid Maximum Ambient temp for
60. tallation check that the roof anchors supplied are correct for the roof type If the height of profile tiles is particularly high a special adjustable height roof anchor is available Contact Grant for details If necessary the installation can be modified to suit the site conditions However any changes must be approved by Grant and must meet Building Regulations codes of practice and any relevant local bylaws and regulations in force at the time Failure to comply with this will invalidate the product warranty 1 2 Package Contents oolar collectors fixing components and other system accessories must be handled with care during storage and transport If the packaging is damaged during transit this must be immediately reported to the supplier delivery driver Before starting installation check the kit supplied contains all the required components Hefer to Section 2 1 All packing materials must be disposed of appropriately after installation 1 3 Format of installation instructions These instructions describe the installation of collectors in both the portrait and landscape format using all three mounting types On roof Flat roof and In roof This is covered in Sections 4 5 and 6 respectively The actual fitting of the collectors and the connection to the hydraulic solar circuit is identical for all the above mentioned mounting options and is covered in Sections 7 and 8 respectively
61. tom apron flashings 16 A amp 16 B for use with tiles are supplied folded back Carefully fold out the lead aprons before installation Do not modify the flashings or lead aprons Leave the protective film in place on the butyl tape at this stage Table 5 Overall Width Dimensions 1 1460 2355 2 2645 4440 3 3895 6525 4 5025 8615 5 6215 10700 Figure 55 Installation of Additional Bottom Flashings 2 Position the bottom flashings on the bottom batten with the left flashing overlapping the right in the centre Adjust width of the bottom flashing to suit see Table 5 Adjust the position of the bottom flashing as required to centre it in the opening in the roof tiles slates or to avoid the need to cut tiles on one or both sides Figure 54 Installation of Bottom Flashing Note butyl tape has strong adhesive properties and mistakes cannot be rectified after application Mark position of both ends of bottom flashing on batten Remove left hand flashing and fix right hand flashing to batten using suitable small screws not supplied Remove the protective film from the butyl tape on the right hand flashing Ensure left hand flashing is correctly located re position on batten pressing firmly on overlap to seal Fix left hand flashing to batten using suitable screws not supplied For bottom flashing width r efer to Table 5 Hepeat procedure for any further bottom flashing sections as requir
62. tor carrying handles e Torx 25 screwdriver Commissioning e Filing station e Pressure gauge e Screwdriver flat bladed 1 General 1 9 Standards and Approvals Grant flat plate solar collectors conform to the requirements of BS EN 12975 Thermal solar systems and components Solar collectors and have the Solar Keymark approval 2 Package Contents 2 1 Standard Installation Kits For On roof and Flat roof Installations in portrait format Table 1 Installation Kit Contents Mountingral extensionktony 12 2 plusextensionkt 4 X 4 plus extension kit 2 plus extension kit 4 plus extension kit Mounting hook 2 4 6 10 Oylinder bolt 4 8 12 16 20 Fixing bracket 4 8 ie Us 20 Anchor block 4 8 12 16 20 Collector flow return pipe c w insulation 2 2 2 2 2 Collector to collector connector c w insulation O 1 4 Installation and operating instructions 1 1 1 Roof anchor _Flat roof angle frame ee 3 3 44 4 5 Securing cruciform kit gt Roof anchor to suit type of roof covering see pages 14 to 17 Slate Flat tile Profile tile For In roof Installations in portrait format Table 2 Installation Kit Contents Mounting bracket A 8 12 Z 46 20 Anchor block 4 8 75 ic 26 Collector flow return pipe c w insulation 2 2 2 2 2 Collector to collector connector c w insulation O 1 2 3 Oylinder bolt 4 8 12 16 20 Side gutter LH 1 1 1 1 1 Side gutter RH 1 1 1 1
63. tten 30 x 90mm i 17 A SS SR 10 B Base tray upper section tt pde 11 Hydraulic connection 04 Mounting bracket 17 B 12 Insulation 05 Anchor block E J 13 Temperature sensor 18 06 Collector connection kit aa tv ZZZ SCH 14 Cover strip 19 7 tor t t ano a ceo S EH 15 A Bottom flashing Left hand 20 kit portrait collectors only for slates Battens to be supplied by installer Dimensions Nro PIED PRECES 21 given are for guidance batten thickness must 15 B Bottom flashing Right hand 25 match existing tile battens Timber must be for slates treated e g Tanalised or similar 14 Bottom apron Left hand flashing for tiles Bottom apron Right hand flashing for tiles Top cover Left hand flashing Top cover Right hand flashing Fixing screw not shown Clip with nail not shown Foam draught seal wedge Foam draught seal block Closure strip Figure 49 Installation Summary Landscape Collector Installation 01 Bottom batten 30 x 50mm 02 Middle batten 30 x 90mm 03 Top batten 30 x 50mm 04 Mounting bracket 05 Anchor block 06 Collector connection kit Battens to be supplied by installer Dimensions given are for guidance batten thickness must match existing tile battens Timber must be treated e g Tanalised or similar 08 09 A 09 B 10 A 10 B B 12 13 14 15 A Bottom flashing Left hand 15 B Bottom flashing Right hand Oylinder anchor bol
64. ty break 43 Return ball valve with thermometer intergrated gravity break 44 Pressure gauge 45 Solar safety valve 6 bar 46 Circulating pump 47 Flush fill gate valve 4fa Filing valve 47b Flushing valve 48 Flow meter 49 Air collector 50 Bleed valve pese gt en 52 Expansion vessel connector E 44 53 Filling station tank Solar pump EN tation 54 Filing hose ee i wt Y 55 Flushing hose 42 43 e 56 Filling station frame m M 57 Filling pump U U WW For maintenance purposes e g pump replacement the flow and return ball valve must be closed item 42 and 43 Twin coil cylinder L 47 X e 53 A e 49 WI h D N lt I 57 za Filing station Figure 117 Filling Diagram 14 Commissioning the System Following installation of the solar collectors and hydraulic connection of the collectors and piping the system can be filled When doing so the thermal conditions and the particular features of the installation must be taken into account For this reason the system may only be filled commissioned and maintained by a suitably authorised technician To prevent damage to the system the heat transporting fluid used to initially fill the system must be consistently used thereafter LAT z A A SA a HSA E x A AE E A Safety If the system filling point pump station is located in the roof space there should be a suitable flat surface on which to stand th
65. ure it must be secured according to technical requirements Caution The flat roof mounting frame must Figure 46 Fixing Additional Flat Roof be adequately weighted down or Mounting Brackets bolted If the supporting frame is RE SEET rather Ge Table 3 Dead Weight Requirements being screwed down the weights specifications for a wind pressure 1 solar collector 290 kg zone up to 8 m building height and 2 solar collectors 580 kg a snow load zone up to 0 75 kN m according to the table 3 solar collectors 8 0 kg 4 solar collectors 1 160 kg 5 solar collectors 1 450 kg protective mats 22 Figure 47 Robustness Weighting ET Now go to Section 7 6 In Roof System Installation 6 In Roof System Installation 6 1 Installation Summary The In Roof installation kit allows the solar collectors to be fitted into the roof covering tiles or slates either horizontally or vertically S 06 The standard Grant in roof kit for slate roofs may not be suitable for some reclaimed slate uneven or rough slate roofs In this case please contact Grant UK for advice and assistance regarding suitability Figure 48 Installation Summary Vertical Collector Installation 09 A 10 A WA 01 Bottom batten 30 x 50mm 08 Oylinder anchor bolt 16 A O2 A Lower middle batten O9 A Side gutter Left hand 30 x 50mmy 09 B Side gutter Right hand 16 B 02 B Upper middle batten 10 A Base tray lower section Middle ba
66. w grantuk com solarthermalregistration aspx where you can register your Solar Thermal system for a further four years warranty giving five years from the date of purchase This does not affect your statutory rights Breakdown during the Manufacturer s Warranty If your Grant Solar Thermal System should fail within the first five years of the date of purchase you must contact Grant Engineering UK Limited who will arrange for the repair under the terms of their Warranty providing that the system has been correctly installed and commissioned serviced if older than twelve months and the fault is not due to misuse or the failure of any system components not supplied by Grant UK e g pipework hot water cylinder etc or the incorrect setting of the system controls This extended five year warranty only applies if the system is registered with Grant UK within thirty days of installation In the first Instance Contact your installer to ensure that the fault does not lie with any part of the installation or any other components not supplied as part of the Grant Solar Thermal System or any incorrect setting of the system controls If a Fault is Found Ask your installer to contact Grant Engineering UK Limited Service Department on 01380 736920 who will arrange for a qualified service engineer to attend to the fault Free of Charge Repairs During the first five years no charge for parts or labour will be made
67. y pump OFF and then bleed the system using the hand ventilator on the air jet until the heat transfer fluid begins to escape e Set the operating pressure as in Table 10 by carefully opening the flushing valve and releasing the fluid into the catchment tank of the filling pump e Switch on the circulating pump controller set to manual e Set the flow rate on the flow indicator as in Table 11 by selecting the appropriate pump speed I Il or III and by using the flush fill valve e Remove the hoses from the filling connections and screw the caps on the filling and flushing valves Release the flushing valve first and then the filling valve e Note Now switch the controller to automatic operation Figure 121 Flush Fill Valve Open For Normal Operation 14 Commissioning the System Table 10 Initial Expansion Vessel Pressure and Operating Pressure gt 15m Separate dimensioning of safety device required Table 11 Pipe diameters and flow rates Type of Connection Upto 5 Ze 2x4 3X3 4x3 in series parallel parallel parallel parallel Minimum volume flow 2 3 l min 4 5 l min 4 5 min 6 8 l min 6 8 l min Setting the Flow Rate Releasing Trapped Air The setting of the volume flow for the The residual air from the heat transfer heat transfer fluid is made via the fluid is collected in the air separator and setting for the revolution levels I Il III manually released via the air vent of the ci
68. your device appears briefly in the display Finally the standard display indicators appear The controller is now in operation and uses standard values To define the correct display the time and weekday can now be entered Time Weekday Press the Plus A v Minus keys prog simultaneously gt Operating level with set value display 01 left Press the Prog key gt LED beside Prog lights up AW Setting mode can be ended at any time by pressing the Plus and Minus keys simultaneously Changes which have been entered but not stored by pressing the Prog key have no effect Set the time with the Plus Minus keys Press the Prog key gt Save the new time Press the Plus key gt Set value display 02 left Press the Prog key gt LED beside Prog lights up Set the weekday 1 7 with the Plus Minus keys Press the Prog key gt Save the weekday ER GL Press the Plus A v Minus keys L prog simultaneously gt Normal mode with standard display The standard display can be selected changed using the rotary knob 12 3 Explanatory Information Modify Set Values Access the operating A V level by pressing the I prog A Plus and Minus keys simultaneously Display Left No of the set value Right set value Use the Plus Minus keys to select the number of the set value required Display left AW A list of all the set values is provided on the followi

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