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Solar Thermal Installation Manual

1. INSTALLATION AND SERVICING SOLAR THERMAL For users guide see reverse of book When replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Ideal For the very latest copy of literature for specification and maintenance practices visit our website www idealheating com where you can download the relevant information in PDF format February 2012 UIN 207786 A02 GENERAL TABLE 1 GENERAL DATA SOLAR COLLECTOR SPECIFICATION Model TS 8000 TS 8001 49 Al natural or anodized Improved corrosion resistance Absorption 24 os Emission 18 07 22 Ghor T 22 1 DO eres 8 PS C pur Coupan a Transmittance of glass 90 2 EN 1 2975 1 2 SOLAR KEYMARK Sap Data TS8000 On Roof TS8001 In Roof Aperture area 1 922m Aperture Area 2 33m Conversion Factor N 0 769 Conversion Factor N 0 776 Heat Loss coefficient a 3 847W m K Heat loss Coefficient a 3 293W m K Heat Loss coefficient a 0 0103W m K Heat loss Coefficient a 0 011W m K TABLE 2 GENERAL DATA SOLAR PUMP STATION SPECIFICATION TABLE 3 GENERAL DATA SOLAR CONTROLLER SPECIFICATION 1 5m silicon cable measuring range up to 180 C 2 Solar Thermal Installation and Servicing SOLAR THERMAL Destination Country GB IE TS8000 on roof TS8001 in roof Solar Thermal I
2. 47 50 INSTALLATION IDEAL SOLAR CONTROLLER OPERATING THE CONTROLLER SECTION A sol8581 The temperature in the upper part of the A O SOL8582 temperature In the event a sensor or its supply line is interrupted an animated Interruption Symbol is During normal operation the AVkeys are used to browse through the recorded temperature values The T1 T2 T3 sensor is currently being displayed symbols in the system diagram show which measurement value storage tank is only displayed if the T3 sensor has been connected In the event a sensor or its supply line short circuits an animated Short Circuit Symbol is displayed instead of the a a sol8583 displayed instead of the temperature If such a sensor fault occurs the backlight display alternately flashes red yellow and a warning symbol is displayed to indicate the fault SECTION B ev sol8590 The holiday function can be activated with this setting The holiday function is a storage re cool function If the operator does not use the warm water the storage tank may reach its maximum temperature early in the day In this case vaporization may occur within the solar unit and thus subjecting the unit to a higher thermal load Note This function should only be used if you are not at home for an extended period of time Please deactivate this function after returning back home to prevent unnecessary loses of energy If whil
3. When the holiday function is activated the Ideal Solar Controller automatically recognises if an overheat condition will occur and will reduce the cylinder temperature over night by using the solar collectors as a radiator Enter the parameters mode as described in Frame 1 Use the PAN GA buttons to select the symbol press and hold the Ei button for 5 seconds until a tick Lad appears in the holiday symbol Once the unit is set press ay repeatedly until the controller returns to normal operation mode Repeat in reverse order once the property is occupied 6 ANTI FREEZE FUNCTION IMPORTANT THIS PARAMETER MUST NOT BE ADJUSTED AS IT IS PRESET FOR IDEAL SOLAR COLLECTOR PANELS AND HEAT TRANSFER FLUID Note Ideal Solar Collector Panels must only be used with Ideal Solar Heat Transfer Fluid as this incorporates an anti freezing agent NOTE POWER FAILURE None of the settings are lost if there is a power failure Solar Thermal User s 9 TROUBLESHOOTING If for any reason your Ideal Solar EC 1 Controller does not seem to be operating check the fault finding chart below before contacting a Solar Qualified Engineer WARNING DO NOT OPEN THE HOUSING Controller shows no function The controller s display is blank No power supply check fuse and electric mains The solar circuit pump connected to the controller does not run although it s switch on conditions are met sun in the display Pump symbol does
4. Q Y j Z Q Q Y lt Q i Temperature sensor troubleshooting The temperature recording is performed by thermistor sensors These sensors are type PT1000 The resistance value changes depending on the temperature An ohmmeter can be used to check for defective sensors Un clamp the corresponding temperature sensor from the controller and then measure the resistance value The typical resistance values depending on the temperature are listed in the following table Please observe that slight deviations are permitted Resistance Values of the PT1000 Temperature Sensor Resistance 882 922 1039 1078 1117 1155 1194 1232 1271 Temperature C so Resistance 1309 1347 1385 1423 1461 1498 1536 1573 1611 1648 1685 Solar Thermal Installation and Servicing INSTALLATION 54 INSTALLATION 51 COMMISSIONING OF THE SOLAR PUMP STATION WARNING Do not commission the Ideal Solar System in direct sunlight it is recommended that system is commissioned early morning or evening failing this the collectors may be covered with a tarpaulin to prevent excessive temperature The system should not be commissioned when there is a risk of frost The Ideal Solar System is supplied with heat transfer fluid and is pre mixed and ready to use The heat transfer fluid ensures reliable operation high vapour reliability and protects against freezing IMPORTANT ONLY IDEAL HEAT TRANSFER FLUID MUST BE USE
5. casing with mineral wool insulation to rear and sides It is sealed into the casing with EPDM seals and a robust tempered glass cover Mounting kits are available to suit tiles slates both on or inset to roofs In addition flat roof mounting is provided THE IDEAL SOLAR SYSTEM PACKAGE COMPRISES OF 1 Ideal Solar Collector s The TS800 solar collector panel s can be mounted directly onto sloping roofs with a variety of fixings for different roof coverings or onto a support frame for flat roofs The TS8001 is for inset applications only The Ideal Solar kit comprises of one two or three high performance flat solar panel collectors Pressure loss bends valves etc should be recognised when specifying the pump arrangement 2 Ideal Solar Twin Line Pump Station The solar pump station is supplied with integrated pump to provide circulation of the heat transfer fluid the main components of the unit are A circulation pump A flow limiter with fill amp drain valve shut off valve Two ball valves with integral display thermometers and check valves Safety relief valve pressure gauge assembly Non flow valve fitted in both the flow and return circuit to prevent the possibility of gravity circulation in the solar circuit 3 Ideal Solar Controller EC1 The controller allows quick setting of functions and features with LCD display to provide graphical information The controller allows the user to select the temperature
6. 1170 116 1730 Solar Thermal Installation and Servicing 19 INSTALLATION INSTALLATION 20 INSTALLATION 15 OPERATING TIPS SOLAR POWER SYSTEM TS 8000 Connecting the collectors to one another The diagram below is an example of how the collectors can be connected to one another However the actual connection may be different depending on structural conditions A maximum of 6 collectors may be connected in a series If a collector panel is made up of more than 6 collectors the panel must be connected several times in parallel o Supply Return Mass Flow Rate To ensure the performance of the collector a specific flow rate of 30 I m7h is to be selected up to a collector panel size of approx 25m Pipe Diameters Dimensions table with a specific flow rate of 30 I m2h Collector panel size m7 approx 7 5 approx 12 5 approx 25 Pipe diameter stainless steel corrugated pipe DN16 DN20 Pressure loss collctor for anti freeze water mixture 40 60 at a thermal conducting temperature of 50 C Pressure loss curve Ap 0 000128x 0 022931x Mass ow rato koh 0 50 100 160 200 260 50 50 20 450 500 Pressure loss mbar _ o 15 36 63 97 137 184 237 297 36 2 43 5 Solar Thermal Installation and Servicing INSTALLATION 16 OVERVIEW OF MATERIALS IN R
7. and 140mm over the metal edge 33 Finally adjust the lead skirting for sheet metal edging with tile roofs only to the contour of the tile pia 1 Solar Thermal Installation and Servicing 34 Note When installing the side sections of the plain tile metal casing the tiles and metal parts must always be alternately co vered 31 INSTALLATION INSTALLATION 32 INSTALLATION 27 INFORMATION ABOUT THE COLLECTOR TS 8001 Technical Data Weigh 1130 o 1227 2058 2104 105 Solar Thermal Installation and Servicing INSTALLATION 28 IN ROOF MOUNTING TS 8001 Connecting bend PN TT N EE o Attachment bracket Solar Thermal Installation and Servicing 33 INSTALLATION INSTALLATION 34 INSTALLATION 29 OPERATING TIPS SOLAR POWER SYSTEM TS8001 Connecting the collectors to one another The diagram below is an example of how the collectors can be connected to one another However the actual connection may be different depending on structural conditions A maximum of 6 collectors may be connected in a series If a collector panel is made up of more than 6 collectors the panel must be connected several times in parallel Mass Flow Rate To ensure the performance of the collector a specific flow rate of 30 I m h is to be selected up to a collector panel size of approx 25m Pipe Diameters Dimensions table with a specific flow rate of 30 I
8. and the expansion vessel is again connected to the installation Safety Relief Valve Pressure Gauge Assembly The Hydraulic solar pump station in the Ideal solar package is equipped with a 6 bar pressure relief valve which should be connected via 22mm pipe work terminating in a suitable container An empty canister of heat transfer fluid can be used for this purpose Drain Valve It is good practice to install a suitable drain valve at the lowest point in the system to facilitate draining of the solar system if required Z Lb L 2 J L Connecting the Solar Cylinder Refer to solar cylinder manufacturer s instructions for installation observing the correct direction of flow through the cylinder coil Refer to Frame 1 Double Return Kit Tee Connection If additional flow capacity is requried the single line pump station Ideal Part No UIN 207072 can be employed within this kit an additional collector return pump and connector tee is provided During installation the safety relief valve and pressure gauge is transferred from the twin line pump station to the single line station A flow gauge is provided in the single line pump station so the flow rate between the two flow rates can be balanced The single line pump station is also employed when i i l l Twin line installing solar panels in East West configuration pump station Single line pump station Solar Thermal Installation and Servicing INSTALLATIO
9. at the same height and fasten Order nut washer attachment bracket washer nut 36 Solar Thermal Installation and Servicing INSTALLATION 32 IN ROOF MOUNTING TS 8001 MOUNTING SYSTEM 45 ELEVATION 5 Cut off any excess length from the bench screw Measurement D max 45mm _ D max 45 mm 6 Attach the first mounting triangle as described in 6a 6c 6a Screw the base bracket to the support bracket A Order screw base bracket support bracket washer nut 6b Screw the base bracket to the attachment bracket on the front B Order screw attachment bracket base bracket washer nut Solar Thermal Installation and Servicing 37 INSTALLATION INSTALLATION INSTALLATION 33 IN ROOF MOUNTING TS 8001 MOUNTING SYSTEM 45 ELEVATION 6c Screw the support bracket to the attachment bracket on the back C Order screw attachment bracket support bracket washer nut Eq 6d Attach the second mounting triangle as described in 6a 6c 38 7 Slit T head bolt into the lower groove of the mounting rail and screw it to the mounting part using a washer and hexagon nut Order mounting rail hammer head bolt mounting part washer nut 8 Attach upper mounting rail as described in Point 7 Warning Upper and lower mounting rails must be mounted perfectly Straight and parallel to one another Solar Thermal Installation and Servicing INSTA
10. fuses of type 250V 4A MT Pump symbol does not rotate max flashes in No fault controller deactivated the pump the storage symbol because maximum storing temperature has been reached Details see Frame 46 Pump symbol does not rotate Steam symbol No fault controller has deactivated the pump flashes on the collector symbol because the collector maximum temperature 130 C has been exceeded Details see Frame 46 Pump symbol does not rotate Backlight display Mode switch is on manual operating position is red OFF blinks in display Pump Off Details see Frame 42 Pump symbol does not rotate Backlight display There is a sensor fault short circuit or flashes red and green alternately One of the T1 interruption check the sensor supply lines and T2 temperatures displays a sensor fault its correct connection on the controller Temperature for Troubleshooting SYS stands for system error That means in spite of the pump running there is a difference in temperature of more than 80 Kelvin measured between collector and storage tank The reason for such a huge temperature difference could be a damaged or faulty connected pump a closed valve or air in the solar circuit As air inside the piping cannot be overcome by a conventional pump circulation of the solar circuit is stopped Check your solar system for these sources of error to avoid damages You can quit the error message afterwards by pressing any key Y LL A E
11. may only be allocated one connecting cable up to 2 5mm Connector sleeves must be used with finely stranded cables p Y LL A E Q Y Z Q Q Y lt Q i PE L N Mains voltage 230 V Output Solar circuit s pum Collector temperature senso optional o 5 Q K i 5 O O fu amp O D sensor below sensor above Cc O O OD E Cc O O ab e pa LLI Storage tank temp Storage tank temp Temperature Sensor Warning Only the original sensors permitted for the controller may be used This is the PT1000 sensor type Temperature sensors and silicon cables are heat resistant up to 180 C The polarity of the sensor contacts is irrelevant All sensor leads are low voltage and must be installed separately from the 230V or 430V lead sensors to prevent any inductive interference at least 100mm apart If external inductive interference is to be expected e g by heavy current cables contact wires transformer stations radios and television sets amateur radio stations microwave devices or similar devices the conducting cables carrying the measuring signal must be shielded The sensor cable can be extended to a length of approximately 100m Use cable of cross section 0 75mm up to 50m in length and 1 5mm up t
12. notice g Ideal Stelrad Group Ideal Installer Solar Technical Helpline 01482 498 307 www idealheating com USERS GUIDE SOLAR THERMAL For installation guide see reverse of book When replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Ideal FOR THE OWNER Please read the following notes carefully in order to gain the maximum benefit from your Ideal Solar System NOTE Risk of burns The collectors and pipes can become very hot during bright sunlight please do not touch IMPORTANT This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction by a person Please ensure children do not play near appliances carrying high voltages Maintenance of the Solar System It is important that you do not open or close any valves or attempt to remedy any malfunctions to the solar system yourself Attempting to do so runs the risk of either death or serious injury if the work is carried out improperly In order to maintain permanent operational readiness reliability and a long service life it is essential that regular inspection and maintenance work is undertaken annually by responsi
13. roof bracket clamping piece extension Order mounting rail hammer head bolt roof bracket washer nut 12 Hang the first collector in the lower mounting rail and adjust 12a 12b Note Distance between collector and end of moutning rails 45mm Measurement A mesurement B Solar Thermal Installation and Servicing INSTALLATION 12 MOUNTING SYSTEM PARALLEL 13 Place the clamping piece on the upper mounting rail and hand tighten for now Order upper mounting rail hammer head bolt washer clamping piece washer nut 14 Attach the second collector measurement A measurement B as shown in Figure 12b Please use the mounting jig 14b 15 Rotate the clamping piece by 90 and screw it tight using a long socket wrench Solar Thermal Installation and Servicing 17 INSTALLATION INSTALLATION 18 INSTALLATION 13 MOUNTING SYSTEM PARALLEL 16 16 With clashing mounting rails insert and position the mounting part in the upper moutning rail 17 Attach additional clamping pieces collectors as described in Points 12 16 18 Attach the mounting part on the upper left and right end of the collector field Order mounting rail hammer head bolt mounting part washer nut 19 Screw the collectors into place Solar Thermal Installation and Servicing INSTALLATION 14 INFORMATION ABOUT THE COLLECTOR TS 8000 Technical Data Gross area Weight ary 1221
14. 4 Replace roof tile cut tile to ensure correct fit if necessary 13 INSTALLATION INSTALLATION 9 14 INSTALLATION MOUNTING SYSTEM PARALLEL 5 Insert the hammer head bolt into the roof bracket and hand tighten for now Order hammer head bolt mounting bracket washer nut 6 Attach lower mounting rails 6a 6b Order mounting rail hammer head bolt roof bracket washer nut im 7 Attach upper mounting rail 7a 7b Order mounting rail hammer head bolt roof bracket washer nut Solar Thermal Installation and Servicing INSTALLATION 10 MOUNTING SYSTEM PARALLEL 7b Solar Thermal Installation and Servicing WARNING Upper and lower mounting rails must be mounted perfectly straight and parallel to one another 8 Set addition mounting points as described in Points 1 4 if additional collectors are to be fitted 9 Push the clamping piece extension halfway into the inner groove of the mounting rails upper and lower and tighten Order mounting rail clamping piece extension washer nut 10 insert the following mounting rails upper and lower and attach them using the clamping piece extension Order mounting rail clamping piece extension washer nut 15 INSTALLATION INSTALLATION INSTALLATION 11 MOUNTING SYSTEM PARALLEL 11a Solar Collector Mounting Rail 16 11 Attache the mounting rails upper and lower using the
15. 4 5 35 25 INSTALLATION INSTALLATION 21 IN ROOF MOUNTING TS 8001 Repeat steps 14 15 17 18 19 and 20 for second collector row accordingly INSTALLATION 14 Install the side pieces on the right and left Upper edge of the sheet metal flush with the upper edge of the collector 15 Secure the side pieces to the roof batten using metal retainers and roofing nails 16 Place the metal wedge in the middle between the collector rows and tighten it on the roof structure using self tapping screws 6 120 Install the side piece connector on the right and left 26 Solar Thermal Installation and Servicing 22 IN ROOF MOUNTING TS 8001 Solar Thermal Installation and Servicing INSTALLATION 17 Attach the lateral cover strip on the right and left 18 Attach the side tin cover strip to the front corner section on the right and left at the collector using sealed plumbing screws 4 5 35 19 Push the middle cover strip between adjacent collectors from the bottom as far as it can go 20 Tighten the middle cover strips using two self drilling sealed plumbing screws and the lateral tin cover strip using one self drilling sealed plumbing screw 3 9 13 2 INSTALLATION INSTALLATION 23 28 IN ROOF MOUNTING TS 8001 INSTALLATION 21 Slide in the middle cover on the left 22 Slide in the middle cover to the centre 23 Slide in the middle cover on the right 24 Tighten the left and right
16. 5 SUPPLY BALL VALVE 1 176722 6 AIR SEPERATOR BRV 1 176723 7 SHORT COPPER PIPE BRV 1 176724 8 THERMOMETER CONNECTION PIECE 1 176725 BLUE RING THERMOMETER 1 176726 RETURN BALL VALVE 1 176727 1 1 2 NUT amp GASKET 1 176728 SAFETY GROUP 1 176729 SOLAR PRESSURE GAUGE 1 176730 WILO PUMP 1 176731 1 1 1 1 1 1 1 LIST OF PARTS DOUBLE LINE SOLAR STATION 1 I l l l l l l l l I SINGLE LINE SOLAR STATION eee e E E E E irony ee me ee aa mt E min iniia a are co an fo ad et ome a xs um e ts p Solar Thermal Installation and Servicing 61 62 NOTES Solar Thermal Installation and Servicing Solar Thermal Installation and Servicing NOTES 63 Technical Training The Ideal Technical Training Centre offers a series of first class training courses for domestic commercial and hen industrial heating installers engineers and system specifiers chmar 01482 498 432 The code of practice for the installation commissioning amp servicing of central heating systems CERTIFIED PRODUCT Manufactured under a BS EN ISO 9001 2000 Quality System accepted by BSI ideal Boilers Ltd P O Box 103 National Ave Kingston upon Hull HUS 4JN Telephone 01482 492 251 Fax 01482 448 858 Registration No London 322 137 Ideal Stelrad Group pursues a policy of continuing improvement in the design and performance of its products The right is therefore reserved to vary specification without
17. ALLATION AND MAINTENANCE CHECKLIST ELECTRICS 1 Controller fitted and sited correctly Controller operated in the correct manner Earth bonding in place 2 3 4 Correct fuse fitted to solar controller spur 5 Cylinder control and reference sensors secure in pockets 6 All electric cables neatly secured FINISHING 1 All packaging removed 2 Indoor and outdoor areas clean Ideal recommend that the above maintenance procedure is followed annually preferably when the boiler and or cylinder is also serviced The antifreeze has a minimum service life of 5 years and so this fluid must be changed at each 5 year interval Before de commissioning draining the solar circuit make sure there is no chance for collector temperature to exceed 100 C that all check and isolating valves are open and that the heat transfer fluid is captured in storage vessels for safe disposal at a recognised safe disposal centre 57 INSTALLATION FAULT FINDING 55 FAULT FINDING NO FLOW SOLAR PRIMARY CIRCUIT LOW PERFORMANCE OF SOLAR SYSTEM POSSIBLE CAUSES ACTION Faulty DTC system settings Check delta Ton and delta To settings flowrate and pump speed control Also check functions ON OFF and DTC on auto Faulty PT1000 sensors Check sensor location and check electrical resistance to temperature see table in Frame 50 Boiler primary circuit providing too Reset central heating timeclock to give solar system more cylinder water t
18. ATION 40 BRACKET AND CONNECTION KIT FOR THE EXPANSION VESSEL A 3 4 flexible pipe connected to the security unit of the solar pumping station not included B Fibre sealing joint inlcuded C Connector with double check valve to disconnect the expansion vessel in a reliable and fast way without any leakage D Expansion vessel with 3 4 threaded connection available on request E Fixing bracket provided with plugs and screws to fix it to the wall Fix the bracket E to the wall with the plugs centre distance 55mm Screw the expansion vessel D to the connector C and put it on the fixing bracket using the special groove then lock with the nut Put the sealing joint B and screw the flexible pipe of the security unit A to the connector Replacement of the Expansion Vessel The connector C holds up the expansion vessel and allows a quick detachment of it avoiding any leakage By unscrewing the nut F it is possible to disconnect one end of the connector that remains screwed to the expansion vessel The other end of the connector stays fixed on the bracket connected to the security unit both ends have a check valve that becomes operative at the time of the disconnection this prevents any leakage both from the expansion vessel and from the flexible pipe To refit the expansion vessel connect the two ends of the connector and to fix them by screwing the nut F In that way the two check valves are disconnected
19. D WITH THE IDEAL SOLAR SYSTEMS Safety Heat Transfer Fluid Use undiluted only Keep out of reach of children Avoid contact with skin and eyes If swallowed seek medical advice immediately and show the label adhered to the container The heat transfer fluid is non corrosive and bio degradable Flushing the Solar System Preparations The Ideal Solar System must be flushed with heat transfer fluid to remove any debris before commissioning Use a suitable filling pump capable of producing 2 bar with filter such as an electric solar pump manual hand pump or an attachment to a power tool WILO cer MopvivS aa 5 aw 1F310 7 a Das Wijom a ar Mjo a YOV S0ME da no cae yo ST266 3 P N 451756 1 connect flushing pipes to the fill and drain valves on the side of the flow limiter by replacing the caps with the hose connectors 2 Open the fill and drain valves 3 Using a screwdriver esnure the adjustment screw below the pump is in the veritcal position 4 Turn the left gauge thermometer dial anti clockwise by 45 to manually open the non return valve 5 Tum the right gauge thermometer dial anti clockwise by 90 to manually close the non return valve The system is now ready to be flushed to remove any debris 6 Once the solar system has been flushed open the right gauge thermometer dial by turning clockwise by 90 ensuring the centre point is at the top vertical position 7 Close the fi
20. LLATION 34 IN ROOF MOUNTING TS 8001 MOUNTING SYSTEM 45 ELEVATION 9a Push the clamping piece extension halfway into the inner groove of the mounting rails upper and lower and tighten Order mounting rail clamping piece extension washer nut 10 Insert the following mounting rails Upper and lower and attach them using the clamping piece extension Order mounting rail clamping piece extension washer nut 11 Attach the mounting rails upper and lower using the base brak kets Order support rail hammer head bolt base bracket washer nut Solar Thermal Installation and Servicing 39 INSTALLATION INSTALLATION 40 OO Qi INSTALLATION IN ROOF MOUNTING TS 8001 MOUNTING SYSTEM 45 ELEVATION 12 Hang the first collector in the lower mounting rail and adjust 12a 12b Note Distance between collector and end of mounting rails 45mm 13 Place the clamping piece on the upper mounting rail and hand tighten for now Order upper mounting rail hammer head bolt clamp washer nut 14 Attach the second collector measurement A measurement B as shown in Figure 12b Please use the mounting jig 14b Solar Thermal Installation and Servicing INSTALLATION 36 IN ROOF MOUNTING TS 8001 MOUNTING SYSTEM 45 ELEVATION 15 Rotate the clamping piece by 90 see figure 13 and screw it tight using a long socket wrench 16 With clashing m
21. N 41 IDEAL SOLAR CONTROLLER SAFETY INSTRUCTIONS Please see that fire safety cable systems and similar systems are not impaired The controller must not be installed and used in damp areas e g bathrooms or in rooms in which flammable gas mixtures by gas bottles paint solvents etc are likely to occur Do not store any of the above or similar items in a room where the solar controller is installed The controller must not be installed on a conductive base 5 All operations must be conducted in accordance with the national electrical regulations and local rules For your own safety please note the following for electrical installation The controller has been built for the use at 230 V 15 AC at a frequency of 50 Hz Using this controller for other voltage values is not allowed Please also note that the admissible 42 IDEAL SOLAR CONTROLLER MOUNTING Installation Site maximum ambient temperature allowed Wall Mounting 1 The internal controller cover protects the controller s electronics and may not be removed for installation purposes Y LL L E Q Y Z Q Q Y lt Q i Drill and plug the wall in the desired position Affix the central screw and place the controller in position The controller can be used as a template to mark both additional mounting holes NOTE Only use the controller as a marking template never as a drilling template 46 nominal currents must no
22. OLAR CIRCUIT The Ideal Solar System features high performance solar panel collectors with highly advanced features The collector has been awarded the Solar Keymark the EUs quality mark for solar collectors The collectors are mounted on a fast to fit frame and a solar pump station is also supplied to provide all the safety features required for a pressurised circuit The Ideal Solar Controller EC1 ensures efficient use of the available solar energy at any given time and features several extra functions K 2 di Vs OLAS la Collector Sensor P K K l 5 5 l amp l 5 l Solar a x Collector Panel x ee Hot Water to Supply Safety Relief Valve Pressure Gauge Assembly Solar Controller EC1 Twin Line Pump Station te mei Se Back Up from Boiler or Immersion Heater Solar Cylinder Expansion Vessel sol8618 1 Drain solar Cylinder Sensor Important solar fluid container should be manufactured from a material capable of withstanding the high temperatures at which solar fluid operates 6 Solar Thermal Installation and Servicing INSTALLATION 1B EAST WEST SOLAR PANEL CIRCUIT Solar panels can be located in an East West orientation In this configuration single line pump station Ideal part No UIN 207072 in addition to the twin line pump station should be employed Control between the panels located in different orientations can be achieved by specifying the solar contr
23. OOF TS8001 Pa Installation batten 30x40x2450 Attachment bracket Self trapping screws 5 60 5 40 Connecting bend Flat gasket Front corner section right left or middle Side piece right left Side tin cover strip NU amp gt a Sealed plumping screw 4 5 35 Middle cover strip Sealed plumping screw 3 9 13 Wooden wedge Self trapping screws 6 120 Side piece connector right left Middle cover right left or middle Rear corner section right left or middle So e gt MR E Aw Self trapping screws 4 25 Metal retainer roofing nail Foam rubber wedge Solar Thermal Installation and Servicing 21 INSTALLATION INSTALLATION INSTALLATION 17 IN ROOF MOUNTING TS 8001 1 Uncover the roof according to the collector surface area Width approx 1 25m per collector 1 5m Height approx 3 0m for single row installation Height approx 5 0 6 0m for double row installation 2b Measurement A 80mm for tile sheet metal edging Measurement A 50mm for shingle and crown tile sheet metal edging 2c Measurement B 200mm or tile width 50mm 22 Solar Thermal Installation and Servicing 18 IN ROOF MOUNTING TS 8001 Solar Thermal Installation and Servicing INSTALLATION 3 Fasten the attachment bracket on the installation batten as shown on the attachment diagram see Frame 28 self tapping screws 5 40 4 Set and align collectors on the roof 5 Fasten the collectors
24. ble for their safety an approved Solar System Specialist THE IDEAL SOLAR EC 1 CONTROLLER The Ideal Solar EC 1 controller basic settings are pre programmed for optimal performance for most common solar installations It is recommended that original parameters are not altered Important Note Ensure that the left hand side sliding switch is set in the middle AUTO position When selecting the correct position ue is displayed in the upper right hand LCD display for 5 seconds Your Ideal Solar EC 1 Controller is now fully automated and will operate correctly nl Switch in central position means automatic mode The backlight display is yellow 1 USER TEMPERATURE DISPLAY OPERATION Pressing the A ay buttons allow you to view the following readings Solar collector temperature T1 Storage tank lower zone temperature 2 USER SETTABLE PARAMETERS SOLAR STORAGE TANK LIMIT TEMPERATURE Press and hold the EI button until the LCD display enters its set parameters mode E ui oi a Bu ni Da NOTE The control will return to normal operation after 60 seconds if no buttons are pressed max symbol and hold the Ei button for 4 seconds until Selecting the flashing max the T2 and temperature in the upper right hand will flash using the GA ENA buttons set the required temperature max Once the temperature has been set press and hold the Ei button for 5 seconds the T2 will onc
25. called out to check the source of the fault The purposes of the pump station safety relief valve and what action to take if steam or fluid is seen coming from the end of this pipe i e a solar competent heating engineer should be called out to check the source of the fault UNDER NO CIRCUMSTANCES SHOULD THE CAPTURE CONTAINER BE REMOVED 26 The installation user manual which should be left with the end user How to manage the boiler cylinder thermostat and time clock so as to maximise the solar gain Please see next section Maximising the output from the Ideal Solar System If the solar system has been connected to a twin coil cylinder both the boiler heating circuit and solar heating circuit can heat the solar cylinder The lower section of the cylinder is available for the solar circuit the upper section of the cylinder is available to the boiler circuit The solar heating circuit operates most effectively when it has the largest volume of water to heat Therefore especially during the summer months Ideal strongly recommends that the boiler control circuit is left off during the solar day when the sun is likely to heat the cylinder so as to provide the solar circuit with as much temperature increase as possible The cylinder is well insulated and so will retain its heat for a long time unless the water is run off at the points of use The building occupant s lifestyle will determine the optimum settings for the boiler cont
26. ded either by snow or wind forces As a rule collector arrays must be installed such that any possible collection of snow is prevented from reaching the collectors by snow barriers or through special forms of installation The distance to roof ridges edges must be at least 1 m Note Installing a collector array signifies an intervention into an existing roof Roof coverings e g tiles shingle and slate especially in the case of converted and inhabited loft spaces or roofs with less than the minimum slope with regards to the covering require additional measures by the customer e g sarking membranes as security against water penetration caused by wind pressure and driving snow Lightning protection Equipotential bonding of the building In accordance with the lightning protection standard OVE ONORM EN 62305 Part 1 4 the collector array cannot be connected to the building s lightning protection A safety distance of at least 1 m must be maintained from any possible adjacent conducting object For installations on metal substructures at the installation site generally qualified electricians must be consulted To carry out a building potential equalisation the metal tubes of the solar circuit and all collector cases or fastenings must be connected to the main potential equalisation bus by a qualified electrician in accordance with OVE ONORM E 8001 1 or the country specific standards Connections Depending on the design the collectors m
27. e again begin to flash Press ESA repeatedly until the controller returns to normal operation mode WARNING It is recommended that the solar store temperature set point is not set below 60 C as this temperature facilitates the eradication of Legionella bacteria Risk of scalding from the solar storage tank if set above 60 C lt is recommended that a thermostatic mixer is set to 60 C or below and is fitted local to the solar cylinder 2 Solar Thermal User s 3 TEMPERATURE DISPLAY UNIT Enter the parameters mode as described in Frame 1 C Use the arrow buttons PGA Q4 select the Se symbol Press and hold the si to change the unit Once the unit is set press ay repeatedly until the controller returns to normal operation mode 4 VACUUM COLLECTOR FUNCTION A IMPORTANT It is recommended that this parameter not be adjusted from as it is preset for Ideal Solar Collector Panel The vacuum collector function is only applicable for systems using Evacuated tube collector type systems This is not applicable to the ideal solar system 5 HOLIDAY FUNCTION This functions should only be applied if the property is vacant for long periods of time The Holiday Function is a storage re cool function If the user does not use hot water from the solar cylinder over a number of days the storage cylinder may reach its maximum temperature In this case vaporisation may occur within the Ideal Solar Collector panel which is normal
28. e instructions is a prerequisite for the justification of claims 10 Solar Thermal Installation and Servicing INSTALLATION 6 SUGGESTION FOR ATTACHMENT POINTS eB 84 84 35 max 60 97 Fr Y1 35 Citi Solar Thermal Installation and Servicing Collector Vertical Atachment Do em CH 361cm De mm ou Additional mounting structures must be provided in areas with high snow and wind loads Observe DIN 1055 or country specific regulations e Atachment points 11 ASSEMBLY INSTALLATION INSTALLATION 7 OVERVIEW OF MATERIALS ON ROOF Roof bracket Roof bracket console Self tapping screws 6 60 ep Cup square bolt 8 25 M8 hex self securing nut Clamping piece Clamping piece extension Mounting part top Mounting part extension O 3 M8 washer M8 30 hammer head bolt M8 hex nut Support rail Mounting jig Flat gasket 12 Solar Thermal Installation and Servicing INSTALLATION 8 MOUNTING SYSTEM PARALLEL General Note Points 8 11 16 and 17 of these instructions only apply when mounting more than two collectors 1 Measure distance between mounting bracket Distance should be between 125 155cm Remove appropriate roof tiles to fit roof bracket console 2 A 125 155cm Distance between brackets 3 Fasten roof bracket console to rafters with provided self tapping screws 6 x 60 Solar Thermal Installation and Servicing
29. e meantime THE STEAM INDICATOR FLASHES ON THE COLLECTOR SYMBOL TO ILLUSTRATE THAT THERE IS STEAM IN THE COLLECTOR AND THE PUMP HAS SWITCHED OFF sol8586_1 Solar Thermal Installation and Servicing INSTALLATION 50 IDEAL SOLAR CONTROLLER NOTES ON TROUBLESHOOTING WARNING BEFORE OPENING THE FRONT COVER THE POWER MUST BE DISCONNECTED FROM THE DEVICE The controller was designed to be continually used for several years Nevertheless faults may occur Most of the time the fault s cause is not sought in the controller rather in the peripheral system elements The following description of a few common faults should help the installer and the operator to isolate the fault and activate the system as quickly as possible to avoid unnecessary costs Naturally not all possible faults can be listed However you will find the most common causes of faults that cover the majority of the fault conditions related to the controller Controller shows no function Secondary Condition Possible Cause The controller s display is blank No power supply check fuse and electric mains The solar circuit pump connected on the controller does not run although its switch on conditions are met sun in the display Secondary Condition Possible Cause Pump symbol rotates in the display Pump s connecting line is not connected interrupted or fuse in the controller is burnt out replacement fuses provided in the housing see Frame 43 Only use
30. e the holiday function is activated a temperature 10K below the maximum storing temperature is reached this is recognized by the controller In order to be able to charge the storage tank the next day for a longer time and thus subjecting the unit to a lower thermal load the storage tank e g during the night attempts to cool down to 35 C For this purpose if the storage tank is 8K warmer than the collector the pump is activated If the temperature difference between the pump and the collector is only 4K the pump is deactivated again To activate the holiday function Press and hold the set button for 2 seconds Symbol boxes will appear Use the Aand wouttons to scroll until the holiday symbol appears Press and hold the set button until a tick is shown next to the holiday symbol The holiday function is now set Press the SET button again to deactivate the holiday function Press the Y button to reach the next setting continued Solar Thermal Installation and Servicing INSTALLATION 48 IDEAL SOLAR CONTROLLER OPERATING THE CONTROLLER continued SECTION C The Ideal solar system is supplied with a ready mixed heat transfer fluid containing glycol and water as its anti freeze agent Note The anti freeze function is only helpful with systems that have solar circuits without anti freezing agents This is not applicable to the Ideal Solar ah J System sol8591 SECTION D Changing the temperature display s u
31. eak f th ian taking off the cover Back plate to a A T js fluid taking into consideration the very high working temperature we recommend to fasten a pipe to the end of the drain fasten the unit to the wall or to the cylinder Fastening holes on the back fixing plate special openings on the insulation box allow the fastening without disassembling the unit a Back plate to fasten the unit to the wall or to the cylinder Z 0 Z L gt J L ae of Ball valve the flow rate closed Ball valve open Blocking the filling drain levers Unscrew the fixing screw lake Out the lever and place it again tuming it of 180 Flow rate shown in this case Circulation a L min 2 Starting the installtion working Open the ball valve and close the side filling and draining valves Remove the hose unions and screw again the plugs to avoid any casual opening of the side valves it is better to stop the levers in the close position as shown here aside 3 Regulate the flow rate using the regulation rod until the right flow rate is shown N B The flow rate is shwon taking as reference the lower edge of the sliding cursor See picture 1 Filling the installation Remove the plugs from the side valves and connect the hose unions Close the ball valve and open the side filling valve and draining valve 44 Solar Thermal Installation and Servicing INSTALL
32. em please inform yourself about the applicable local standards and regulations The use of a carrying strap is recommended for transporting the collector The collector must not be lifted at the connections or on the threading Avoid impacts and mechanical influences on the collector in particular on the solar glass the rear panel and pipe connections Statics tiled roofs The collectors may only be mounted on sufficiently load bearing roof surfaces and substructures It is imperative that the static load bearing capacity of the roof or substructure is checked in terms of local and regional conditions prior to installation of the collectors by the customer if necessary through the involvement of a structural engineer Particular attention should be paid to the quality of the timber substructure in terms of the stability of the screw connections necessary for fastening the collectors The checking of the entire collector structure by the customer as per DIN 1055 part 4 and 5 or as per the applicable country specific regulations is particularly important in areas with heavy snowfall note 1 m powder snow 60 kg 1 m wet snow 200 kg or in areas exposed to high wind speeds The assessment should also take into account any particular circumstances at the place of installation foehn wind air jets or eddy formation etc which can lead to increased loads When selecting the installation site it should be ensured that the maximum load is not excee
33. ircuit is electrically cross bonded in accordance with BS 7676 WARRANTY The Ideal Solar system is supplied with a Comprehensive Warranty cover of 10 years for the solar collector s and 2 years for the pump station and controller For one off installers products are sold with materials only warranty For Developers Materials only warrantly If labour required to be arranged and priced with the installer Ideal Solar Technical Support Line 01482 498307 HEAT TRANSFER FLUID Solar panel collectors and system components should be used only with the recommended heat transfer fluid as supplied in the kit Recommended fluid is supplied as 10 Lt Container Part No UIN 206536 20 Lt Container Part No UIN 206537 25 Lt Container Part No UIN 206538 The heat transfer fluid uses a proven concentration of anti freeze and water to give protection against freezing and provide optimum performance from the solar panel collectors and system components Additional fluid can be obtained via Ideal Solar stockists The fluid is pre mixed to 60 concentration and is suitable for flat plate and vacuum tube collectors GENERAL INSULATION Exposed pipe work should be insulated according to the high temperatures that the collectors are able to generate This should be high temperature Armalfex or similar grade Suitable insulation is available from Armacell UK Ltd Mars Street Oldham Lancashire OLY 6LY 1A INDIRECT PRESSURISED S
34. itates the eradication of Legionella bacteria Risk of scalding from the solar storage tank if set above 60 C lt is recommended that a thermostatic mixing valve TMV is set to 60 C or below and is fitted local to the solar cylinder SECTION G 92 The controller constantly compares the temperature on the collector T1 and in the lower part of the storage tank T2 If while charging the storage tank a sufficient temperature difference 8K is recognized this is indicated by the sun in the display If no safety control or functions prohibit the pump operation an animated pump operation now begins to move in the display If the temperature difference drops below 4K the pump operation is deactivated and the sun disappears sol8584 If in the lower part of the storage tank T2 the set maximum storing temperature is reached factory setting 60 C the charging stops Pumps are stationary A new charging procedure is first possible at a temperature of 4K under the maximum storing temperature The max indicator flashes in the storage tank symbol to illustrate that although the sun is displayed the pump is stationary If the solar circuit stops e g due to a full tank at a high irradiance the solar fluid in sol8585_1 the collector can assume a temperature higher than 130 C and vaporize To protect the pump the pump operation is blocked until the temperature drops below 127 C storage tank cools down in th
35. lling and drain valve on the flow limiter and pressurise the solar system until 1 5 2 0 bar system pressure is reached 8 Open the left gauge thermometer dial by turning clockwise by 45 ensuring the centre point is at the top vertical position Ensure that all valves are in the open position on the solar system Check all joints for any leaks par a lt To Solar Container DID 0 hi WI Peri Ae A VIA N j L J oe mi E o Expansion Vessel PETI j AAA y 4 a Solar Thermal Installation and Servicing INSTALLATION 52 COMMISSIONING THE SYSTEM 1 Set the Solar controller to the ON position on the slider switch refer to Frame 45 the solar pump station will now circulate the heat transfer fluid around the system Circulate until all the air is removed from the system 2 Once all the air has been removed from the system turn the solar controller to the OFF position refer to Frame 45 and using the fill and drain valve slowly drain the heat transfer fluid until the system pressure reduces to 1 bar NOTE DO NOT USE THE SAFETY ASSEMBLY PRESSURE RELIEF VALVE FOR THIS PURPOSE 2 WILO ce R MODY IN ws DD a Ww 020 43 E loo MM y iH 0 98 82 8726 6 3 P 4617561 Solar Thermal Installation and Servicing Turn the solar controller to the ON position on the slider switch refer t
36. m h Collector panel size m7 approx 7 5 approx 12 5 approx 25 Pipe diameter stainless steel corrugated pipe DN16 DN20 Pressure loss collctor for anti freeze water mixture 40 60 at a thermal conducting temperature of 50 C Pressure loss curve Ap 0 0001579x 0 0274717x Mass tow raeg 0 50 100 160 200 260 200 250 200 450 500 Do fis Solar Thermal Installation and Servicing INSTALLATION 30 OVERVIEW OF MATERIALS FLAT ROOF KIT TS8000 a GI Bench screw M12 350 Rubber seal M12 washer NT Clamping piece Clamping piece extension Mounting part top PR Ca M8 washer M8 30 hex bolt M8 30 hammer head bolt Attachment bracket Base bracket Support bracket Mounting jig Flat gasket Solar Thermal Installation and Servicing Q M12 hex nut Mounting part extension M8 hex nut Support rail 35 INSTALLATION INSTALLATION INSTALLATION W IN ROOF MOUNTING TS 8001 MOUNTING SYSTEM 45 ELEVATION General Note Points 9 10 11 16 and 17 of these instructions only apply when mounting more than two collectors 1 Measurement C 148cm A B see previous side 2 Drill holes in foundation wood 8mm concrete as required ns q CO inc ao a p So 3 Attach the rubber seal screw it in and then fasten minimum screw depth 2 100mm Order rubber seal washer nut 4 Align the attachment brackets
37. m in the morning Check Heat Transfer Fluid The heat transfer fluid must be checked every two years with regard to its antifreeze and pH value Check antifreeze using antifreeze tester and replace or refill if necessary Target value is ca 25 C and 30 C depending on climatic conditions Check pH value with a pH indicator rod target value approx pH 7 5 If the limit pH value is less than lt pH 7 replace the heat transfer fluid Maintenance of the Collector The collector or the collector array must be inspected visually once a year for any damage leaks and contamination Additional recommendations on operation and maintenance can be found in the supplier s general documentation and instructions on commissioning and maintenance Solar Thermal Installation and Servicing 43 INSTALLATION INSTALLATION 39 PUMPING STATION 2 WAY SOLAR 3 The vent air is a device that divides continually the air that can be in circulation together with the fluid The ay At rr EPA SANS Mesurements 277x425x150 air goes to the upper part of the vent air and it can be side opening on the back part of eliminated through the special drain while the installation A the insulation box for the security is working unscrew of 360 the knurled metal ring lock OT unit A special window allows to This operation ahs to be done at intervals read to adjust the flow without cai DANGER OF BURNS T d l
38. middle cover to the side tin cover strip and the collector on the required position using a self drilling sealed plumbing screw 4 5 35 Solar Thermal Installation and Servicing 24 IN ROOF MOUNTING TS 8001 Solar Thermal Installation and Servicing INSTALLATION 25 Place the metal wedge in the middle above the collector and tigh ten it on the roof structure self tapping screws 5 120 Hang the left rear corner section 27b in the collector 26 Tighten the left rear corner section outside of the reinforcing seam on the wooden wedge self tapping screws 4 25 27 Hang the middle rear section in the collector and connect the rear left corner section Tighten the sheet metal outside of the rein forcing seam using a self tapping screw 4 25 29 INSTALLATION INSTALLATION INSTALLATION 25 IN ROOF MOUNTING TS 8001 28 Hang the right rear section in the collector and connect it to the middle rear section 29 Tighten the rear section on the left and right side to the cover strip and the collector using a sealed plumbing screw 4 5 35 30 Laterally secure the right and left rear corner section to the roof batten using metal retainers and roofing nails r Po a 30 Solar Thermal Installation and Servicing 26 IN ROOF MOUNTING TS 8001 INSTALLATION 32 Cover the collector field If necessary the tile must be cut to the appropriate size using an angle grinder The top projecting end of the tile must be 80
39. n to switch off the pump The word off flashes in the display as a reminder The backlight display is red sol8579 WARNING If the system is ready for operation system is filled solar circuit is not blocked the controller can be set to automatic mode after commissioning 48 Solar Thermal Installation and Servicing INSTALLATION 46 IDEAL SOLAR CONTROLLER DISPLAY OVERVIEW gt DO Mp a 2 5 ENTE et Id max ey i max Soe a Ser OTH sol8580 Symbols for temperature sensors Display for temperature values and error symbols e g short circuit open circuit or SYS system error see Section A Holiday function see section B Antifreeze function not applicable see section C Change over C F see section D Pipe collector function not applicable see section E Setting of storage tank max temperature see section F Symbols for solar circuit pump and circulation eee Se Ss SP SS Symbol for storage tank max temperature is reached see section G Error icon e g short circuit open circuit see section A or SYS system error see page 33 Symbol for steam in collector see section G Y LL A E Q Y Z Q Q Y lt Q i N Symbol for enough heat provided see section G Solar Thermal Installation and Servicing Y LL E J Q Y Z Q 0 Y lt Q i
40. nd the cylinder sensor reduces to 2 C With current recommendations to store water at 60 C it is becoming more of a consideration to protect persons of reduced physical sensory or mental capabilities from scalding A suitable method to achieve this would be to fit a Thermostatic Mixing Valve TMV to the hot water outlet from the cylinder If the TMV is not fitted with a line strainer they must be fitted on the hot and cold supply lines IMPORTANT Plastic Pipework is not suitable for the temperatures possible in Solar circuits All connections and joints must be resistant to glycol and be resistant to temperatures of up to 200 C OPTIONAL EXTRA KITS Flat Roof Frame Kit 1 and 2 collectors e Roof Fixing Kit slates e Heat Transfer Fluid 10 25 amp 25 It containers e Additional on roof and in roof flat panel collectors e Vacuum tube collectors Single line pump station e First fix kit on roof e First fix kit in roof e Solar controller EC2 controls East West solar collector orientation e Roof Inset Kit 1 2 3 and additional collectors for tile roofs e Roof Inset Kit 1 2 3 and additional collectors for slate roofs UNVENTED DHW CYLINDERS When connecting the Ideal Solar System to an un vented hot water storage cylinder it is recommended that the electrical supply to the solar control system is taken via the thermal cut out device on the cylinder CYLINDERS For your Ideal Solar System a dual c
41. nit of measurement Press and hold the set button for 2 seconds Use the Aand Ybutton to scroll to the temperature unit function Press and hold the set button to change Press the Y button to reach the next setting sol8588 SECTION E The vacuum collector function is only applicable for systems using Evacuated tube collector type systems This is not applicable with the ideal solar system T1 sol8589 Y LL A E Q Y a Z Q 0 Y lt Q i continued Solar Thermal Installation and Servicing 51 Y LL E J Q Y Z Q Y lt Q i INSTALLATION 49 IDEAL SOLAR CONTROLLER OPERATING THE CONTROLLER continued SECTION F Press the SET button for 2 seconds to open the settings menu At first the current valid maximum storing temperature value is displayed To illustrate which value is referred to the max indicator in the storage tank symbol and the T2 sensor flash To alter the maximum storage temperature Press and hold the set button for two seconds using the A and Y buttons select the sol8587 maximum storage temperature indicator value and T2 Flash Using the A and buttons adjust the value When the desired value is showing press and hold the set button for two seconds to save the value Press the Y button to reach the next setting WARNING It is recommended that the solar store temperature set point is not set below 60 C as this temperature facil
42. not rotate No fault controller deactivated the pump because max flashes in the storage symbol maximum storing temperature has been reached Pump symbol does not rotate No fault controller has deactivated the pump because the Steam symbol flashes on the collector symbol collector maximum temperature 130 C has been exceeded Pump symbol rotates in the display Pump s connecting line is not connected interrupted or fuse in the controller is burnt out replacement fuses provided in the housing Only use fuses of type 250V 4A MT Pump symbol does not rotate There is a sensor fault short circuit or interruption check the Backlight display flashes red and green alternately sensor supply lines and its connect connection on the one of the T1 T2 temperature displays a sensor fault controller Display showing a flashing SYS SYS stands for system error That means in spite of the pump running there is a difference in temperature of more than 80 Kelvin measured between collector and storage tank The reason for such a huge temperature difference could be a damaged or faulty connected pump a closed valve or air in the solar circuit As air inside the piping can t be overcome by a conventional pump circulation of the solar circuit is stopped Check your solar system for these sources of error to avoid damages You can quit the error message afterwards by pressing any key Contact a Solar qualified engineer If the t
43. nstallation and Servicing GENERAL CONTENTS Commissioning Notes cccsseseessseeeeeeeeeeeseeees 54 55 Cylinders A eoe a e E usa sa aos caia 4 Faull EmdNng o e a mea E E as 58 Handing OVer ss a a E E A anaes 56 mstallation n ae E Ra NA 12 Installation amp Maintenance Checklist 57 Installation of On Roof Collector 12 Installation of In Roof Collector 21 Installation of Flat Roof Kit 36 PASUOf ANUS ras ro nana poa cca 60 Planning Permission Ss seen iene 5 RUM piStatio ni cs aus a eee e e 44 45 Sate Handling a aer ess creed sce soa e maio aa nan sans 5 Solar Controller iscas sessao rare nene caem ana nadas 46 53 Water Circuit Diagrams cccccesseseesseeseeeseeenenseeees 6 7 GENERAL INTRODUCTION Ideal Solar is a range of solar water heating equipment for use with twin coil storage cylinders only The solar collectors come as flat plate type or evacuated tube and are suitable for use in new and refurbishment installations A range of packs are available providing all equipment except cylinders pipework and insulation for a range of properties The pack includes solar collector s mounting brackets controller pump station expansion vessel and system fluid The solar collector is copper tube ultrasonically welded to selectively coated absorber plates This is housed in a sealed
44. o 100m in length Solar Thermal Installation and Servicing 47 INSTALLATION 44 IDEAL SOLAR CONTROLLER OPENING AND CLOSING THE CONTROLLER 1 The front cover is secured by two holding bars on the top 3 Now the front cover can be folded down and the push edge of the controller and a screw on the housing buttons can be threaded through Close the controller by angularly setting the front cover on 4 A fastening screw is used to securely close the housing the controllers housing The holding bars must be on the corresponding hinge notches 45 IDEAL SOLAR CONTROLLER COMMISSIONING 1 After the controller s front cover has been closed the power supply can be turned on refer to page 5 Electricity Supply 2 To test if the solar circuit s pump has been installed correctly independent of the controller s functions it is helpful to briefly turn it on and off by hand For this purpose there is a mode switch on the left side of the housing Note Every change of the switching position is followed by a 3 sec lasting display of the 3 s018578 current control mode on Automatic off Y LL L a Q Y Z Q Q Y lt Q i nl Switch in central position means automatic mode The backlight display is yellow Turn the switch to the upper position to start the pump The word on flashes in the display as a reminder The backlight display is red Turn the switch to the lower positio
45. o Frame 45 Set the flow rate see table below using the speed setting on the circulation pump and adjustment screw above the flow measurement display for fine adjustment Return the solar controller switch to Auto refer to Frame 45 Fit the front thermal insulation shell cover engaging the upper shell first The system is now commissioned and available for normal operation Circulation Pump Adjustment Screw Fill and Drain Valve Flow Measure Display 55 INSTALLATION INSTALLATION INSTALLATION 53 HANDING OVER There is no day to day intervention required of the Ideal Solar System The system is completely automated and requires no maintenance on the part of the end user However most customers like to be informed about the solar system and how to maximise it s performance so that they use as little fossil fuel for hot water production as possible Therefore the customer should be shown How to access the temperatures for the solar cylinder and solar collector panel Some explanation of maximum and minimum readings is recommended How to check system operation during solar radiation the functioning of the flow meter on the pump station and the symbol on the LCD display of the solar controller If an un vented cylinder is fitted The position of the manual reset thermostat and action to take if this thermostat needs to be reset i e a solar competent heating engineer should be
46. o heat much heat WATER TOO HOT AT POINTS OF USE Check out boiler primary circuit for faults FAULTY DTC POSSIBLE CAUSES ACTION No LCD display No power supply check fuse and 230 V LCD says Short circuit T1 T2 Check relevant sensor for short circuit LCD says Interruption T1 T2 Check relevant sensor for circuit break 0 Z A LL r q LL 0 Z A Z LL r q LL 0 Z A LL r q LL O Z A Z LL r q LL 0 a LL r q LL Solar Thermal Installation and Servicing Solar Thermal Installation and Servicing 59 LIST OF PARTS The following are parts commonly required due to damage or expendability Their failure or absence is likely to affect safety or performance of this appliance When ordering spares please quote 1 Description 2 Quantity 3 Product number When replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Ideal FLOW METER 2 12 2 LINE INSULATING BOX IDEAL BADGE EXPANSION VESSEL BRACKET amp CONNECTOR FLEXIBLE KIT 1 LINE INSULATING BOX COPPER TEE PIECE KIT Solar Thermal Installation and Servicing 176732 176733 176734 176736 176737 176738 176739 1 SENSOR 1 174865 2 THERMOMETER HANDLE 1 176719 3 THERMOMETER PIT NUT Not shown 1 176720 4 RED RING THERMOMETER 1 176721
47. of the housing depending on the installation HERE IS ONLY POSSIBLE WHEN THE CONTROLLER S FRONT COVER IS OPEN DISCONNECT THE MAINS ALL APPLICABLE INSTRUCTIONS FOR WORKING ON THE MAINS MUST BE OBSERVED THE MAINS MAY FIRST BE 3 Each cable inlet requires 2 vertical incisions in the wall of SWITCHED ON WHEN THE CONTROLLER HOUSING IS the plastic tray A cable knife or an electrician s side cutting CLOSED IN ADDITION THE INSTALLER MUST ENSURE pliers can be used as a Cutting tool NOT TO INFRINGE THE IP DEGREE OF PROTECTION 4 Flexible wiring must be secured in the controller with the WHEN INSTALLING THE CONTROLLER attached strain relief clamps 2 The cable entry in the housing tray must first be cut out to insert the cable from the underside of the controller The mains pump and sensor connections must be connected 5 If the controller must be wired through the back panel of the according to the terminal plan below If an Earth conductor is housing tray the punch out holes can be used for the cable intended or required for the pump the Earth conductor must be entry For this an external strain relief is provided connected The corresponding Earth conductor wire terminals are provided Ensure that the ground contact is also connected to the controller s mains supply side Actuating the terminal clamp Cut out cable entry 2 L sasad NJ sol8573 Each clamp
48. oil hot water storage cylinder must be used Installation can be for both open vented and sealed systems If a sealed system is used then part G3 of the Building Regulations must be observed When sizing the Dual Coil Hot Water Cylinder a minimum dedicated solar volume must be either 25 litres per sq metre of panel or 80 of the daily hot water used For reasonable efficiency 35 litres per sq metre of panel should be used For best practice a figure of 50 litres per square metre of panel should be used These details are contained within the Domestic Heating Compliance Guide Solar Thermal Installation and Servicing GENERAL STANDARDS AND SAFETY INSTRUCTIONS OVERVIEW OF EU STANDARDS Solar Systems in General EN ISO 9488 Thermal solar systems and components terminology ISO DIS 9488 1995 EN 12975 1 Thermal solar systems and components Collectors Part 1 General requirements EN 12975 2 Thermal solar systems and components Collectors Part 2 Test Methods ENV 1991 2 3 Eurocode 1 Basis of design and actions on structures Part 2 3 Actions on structures Snow Loads EN 12976 1 Thermal solar systems and components Factory made systems Part 1 General requirements EN 12976 2 Thermal solar systems and components Factory made systems Part 2 Testing Methods ENV 12977 1 Thermal solar systems and components Custom built systems Part 1 General requirements ENV 12977 2 Thermal solar system
49. oller EC2 Ideal Part No UIN 207754 which has the capability to control panels located in East West configuration Controller installation and operating instructions are provided with the Solar controller EC2 kit a O Solar Zz Collector Sensor Collector Sensor T a bac a AS Panel 5 5 aA 17775777 5 Safety Relief Valve Pressure Gauge Assembly Solar Controller EC2 Hot Water to Supply Twin Line Pump Back Up Station from Boiler or Immersion Heater Solar Cylinder Expansion Vessel sol8618 1 Drain Solar Cylinder Sensor Important solar fluid container should be manufactured from a material capable of withstanding the high temperatures at which solar fluid operates Solar Thermal Installation and Servicing INSTALLATION INSTALLATION 2 SOLAR PACK CONTENTS Before starting any work check the solar pack contents Please note dependent upon specific solar pack ordered contents may vary ON ROOF SOLAR PACK IN ROOF SOLAR PACK 1 On roof solar collector s 1 In roof solar collector s 2 Twin line pump station with expansion vessel installation 2 Twin line pump station with expansion vessel installation hardware hardware 3 Solar controller EC1 3 Solar controller EC1 4 Solar expansion vessel 4 Solar expansion vessel 5 Solar fluid 5 Solar fluid 6 First fix connection pack containing angle through roof 6 First fix connection pack containing angle through
50. on point 26 C 50 proportion of antifreeze 50 water freezing point 32 C solidification point 44 C It may not be possible to completely empty collectors once they have been filled For this reason collectors exposed to frost should only be filled with a water antifreeze mixture also for pressure and function tests Alternatively the pressure test can also be carried out using compressed air and leak detection spray Installing the Temperature Sensor The temperature sensor should be installed in the sensor sleeve nearest to the collector array flow To ensure optimal contact between the sensor and the surrounding environment the gap between the sensor sleeve and the sensor element should be filled with a suitable conducting compound All materials used for installing temperature sensors sensor element conducting compound cables sealing and insulating materials must be suitably temperature resistant up to 250 C Operating Pressure The maximum operating pressure is 10 bar Bleeding The system must be bled when commissioning the system after filling the collectors 4 weeks after commissioning when necessary e g if there are malfunctions Warning Risk of scalding due to steam and hot heat transfer fluid Only operate the bleeding valve if the temperature of the heat transfer fluid is lt 60 C When bleeding the system the collectors must not be hot Cover the collectors and if possible bleed the syste
51. ounting rails insert and position the mounting part in the upper mounting rail 17 Attach additional clamping pieces collectors as described in Points 12 16 Solar Thermal Installation and Servicing 41 INSTALLATION INSTALLATION 37 42 INSTALLATION IN ROOF MOUNTING TS 8001 MOUNTING SYSTEM 45 ELEVATION 18 Attach the mounting part on the upper left and right end of the collector field Order mounting rail hammer head bolt mounting part washer nut 19 Screw the collectors into place with the proper torque Ideal Solar Installation and Servicing INSTALLATION 38 OPERATING TIPS TS8000 amp TS8001 Flushing and Filling For safety reasons you should only fill the collectors when there is no direct irradiation from the sun or cover thecollectors Especially in regions exposed to frost for flat plate collectors you should use a mixture of FS antifreeze with water 40 antifreeze The solar thermal system should be filled and commissioned within one week of installation because heat build up in the collector array can damage the flat gaskets in empty systems If this is not possible the flat gaskets should be replaced before commissioning to prevent leakage Attention Antifreeze that is not pre mixed must be mixed with water prior to filling Recommended antifreeze for flat plate collectors TYFOCOR L 40 proportion of antifreeze 60 water freezing point 22 C solidificati
52. prior to starting work on the solar installation Solar Thermal Installation and Servicing INSTALLATION REQUIREMENTS The installation of the Ideal solar system must be carried out in accordance with the relevant requirements for safety current Wiring Regulations local Building Regulations Building Standards Scotland Consolidation Regulations and Bylaws of the local water company and Health and Safety document No 63S Electricity at Work Regulations 1989 It should be in accordance with the relevant recommendations of the following British Standards and Regulations BS 5918 1989 The Health and Safety at Work Act 1974 The Management of Health and Safety at Work Regulations 1999 The Construction Health Safety and Welfare Regulations 1996 The Construction Design and Management Regulations 1994 The Lifting Operations and Lifting Equipment Regulations 1998 The manufacturer s notes must not be taken in any way as overriding statutory regulations ELECTRICITY SUPPLY All wiring must be performed in accordance with BS7671 Requirements for Electrical Installations IEE Wiring Regulations 16 Edition A 3 amp fused three pin plug and un switched shuttered socket outlet both complying with BS 1363 or preferably a double pole isolator with a contact separation of 3mm in all poles supplying the controller should be used The controller must be earthed Earth Bonding Ensure that the primary flow and return c
53. required at the hot water cylinder The controller then automatically determines when to run the pump to bring the energy from the solar collector panel s to the cylinder The control uses a simple temperature difference to define when the pump runs This ensures that the pump is running only when the benefit from the solar collectors is available OPERATION The solar collector panel is mounted on a surface which is selected for its exposure to sunlight and connected via pipe work to the lower coil of a twin coil solar cylinder The solar controller monitors the temperature of the solar collectors and the cylinder via its sensors The energy in the sun s rays is absorbed by the solar collector s selective coated plate s which is then transferred to the heat transfer fluid contained within the collector system pipe work When the solar collector sensor temperature is elevated 4 C above the cylinder sensor temperature the controller activates the circulating pump 4 The pipe work is filled with a ready mixed heat transfer fluid containing glycol and water which is circulated by a pump to the solar coil in the hot water cylinder The heat is deposited in the storage cylinder and the heat transfer fluid returns to the collector to absorb more free solar energy The circulation pump will continue to operate until the cylinder sensor is satisfied factory set 60 C or the differential temperature between the solar collector sensor a
54. rols The aim is to leave a reasonable volume of water in the boiler section of the cylinder at a temperature which is warm enough to still provide an adequate temperature at the points of use and cool enough to obtain as much of the available solar energy as possible Many occupants find that they can often run on solar only during the summer months However the occupants should be warned about the risk of the formation of legionella if the solar cylinder is not elevated to at least 55 C and preferably 60 C everyday This facilitates the eradication of the Legionella bacteria If the customers find that they have enough water available for washing etc during the morning and early afternoon period one ideal setting for example is to switch the boiler section of the cylinder on everyday for an hour between 8 and 9 pm This setting will make sure the cylinder passes through the 55 to 60 C once a day and also provide the solar circuit with the maximum workload during the solar day and facilitate stored water for early morning use Ultimately the customer should find their own optimum boiler timings for DHW according to their needs Solar Thermal Installation and Servicing INSTALLATION 54 MAINTENANCE SCHEDULE TO BS 5918 1989 Code of practice for SOLAR HEATING SYSTEMS FOR DOMESTIC HOT WATER British Standards Institution Indirect While a properly designed and installed solar heating system should be expected to give a se
55. roof flexi hoses panel angle couplings and solar controller flexi hoses panel angle couplings and solar controller flow sensor flow sensor 7 Basic on roof collector mounting set see frame seven 7 Basic on roof collector mounting set see frame seven for detail for detail 8 collector support rails see frame seven for details 8 Wooden wedges for collectors flashing see Frame 16 for detail 9 In roof flashing set see Frame 16 for detail PARTS NOT INCLUDED IN THE SOLAR PACK You will have to provide all pipework fittings and insulation The following specifications are required for items provided by the installer Pipework This should be 15 mm or 22mm copper or flexible stainless on both flow and return depending on number of solar collectors and pipework see Frame 4 Plastic pipework is not suitable for the temperature extremes possible in solar circuits Pipe clips must withstand the temperatures of up to 200 C We recomend annular twin pipes PART No s 206519 DN16x15m long amp 206520 DN20x15m long A first fix kit is provided with each solar pack This comprises flexible through roof hoses insulated one metre in length collector panel angle couplings with fibre seals and a separate solar controller flow sensor Fittings Brass olive compression fittings must be used Unleaded solder is not designed for solar circuits Alternatively high performance crimped fittings or similar performance fittings can be
56. rouble shooting does not solve the problem then contact your local Solar qualified Engineer Ideal Stelrad Group pursues a policy of continuing improvement in the design and performance Ideal S olar Con sumer H elp lin e of its products The right is therefore reserved to vary specification without notice Tel 01482 498307 E Ideal Boilers Ltd P O Box 103 National Ave Kingston Upon Hull HU5 4JN www idealheating com Tel 01482 492251 Fax 01482 448858 Registration No London 322 137
57. rvice life comparable to that of other types of heating systems some maintenance may be necessary to maintain the efficiency of the installation During a maintenance inspection the following items should be checked COLLECTOR AND ROOF 1 Collectors fitted to manufactures instructions Glazing clean and free from cracks 2 Roof tiles replaced and secure o For flat roof installation the supporting frame is secure or weighted Automatic air vent is open with cap in place Automatic air vent isolation valve is closed Sensor secure in pocket Water proofing checked Insulation in place and firmly attached SA Se e Glazing seals are weather tight and sound SOLAR SYSTEM 1 All joints checked for leaks 2 Glycol in system and correctly pressurised 3 All ancillary components and pipe work adequately supported All covers are in place Manual air vents cleared and closed Drain valves closed and free from leaks Check valve bleed screw closed i eS O Pump orientation correct and operating without undue noise or vibration 9 Pump isolation valves fully open 10 Pump and flow meter setting correct 11 Filling loop closed and disconnected 12 Pressure relief valve cleared and free from leaks 13 No isolation valve between collectors and safety valve 14 All non return valves solenoids and motorised valves are working correctly 15 No evidence of serious corrosion Solar Thermal Installation and Servicing INST
58. s and components Factory made systems Part 2 Testing Methods ISO 9459 1 1993 Solar heating Domestic Water heating systems Part 1 Performance rating procedure using indoor test methods ISO TR 10217 Solar energy Water heating systems Guide to material selection with regard to internal corrosion Collectors and Collector Assembly ENV 1991 2 4 Eurocode 1 Basics of design and actions on structures Part 2 4 Actions on structures Wind actions Lightning Protection ENV 61024 1 Protection of structures against lightning Part 1 General principles IEC 1024 1 1990 modified Building Regulation dating from 1991 England and Wales Requirement G3 L1 and Regulation 7 BS 7671 Requirements for electrical installations IEE Wiring Regulations 16 edition SAFE HANDLING OF SUBSTANCES Heat Transfer Fluid Use undiluted only Keep out of reach of children Avoid contact with skin and eyes If swallowed seek medical advice immediately and show the label adhered to the container Disposal Any packaging contaminated or not along with Ideal Solar fluid must be disposed of at an appropriate waste site whilst observing local regulations PLANNING PERMISSION Planning permission for the Ideal Solar System is generally only required if you are in a conservation area or you are installing a solar system on a listed building However it is prudent to seek the opinion of the local authority on planning matters
59. s no more than a 10 loss in efficiency from the optimum south facing at an inclination of 35 For an East West roof either an East West application can be installed with a collector on each pitch or additional collector s can be fitted on either the East West roof For example a 3 collector array on an East facing roof would be ideal for 4 to 5 occupants where there is a 20 loss in performance as compared to the ideal South facing 30 pitch There should be no significant over shading of buildings trees or other obstructions Even obstructions to the north of the collector can block a significant proportion of the diffuse solar radiation Significant overshading can be compensated by over sizing the solar system 4 INSTALLATION OF THE COLLECTOR AND EXTERNAL COMPONENTS The flow and return pipework can be passed through the roof either with a proprietary Number of Single Pipe Length roof penetration tile or a Code 4 lead custom Solar Collectors Up to 6m Up to 15m up to 20m up to 25m made roof penetration tile Ventilation tiles can sometimes be adapted for this purpose los 15mm DN12 22 mm 22 mm Alternatively a silicon dektite can be used DN 15 DN 20 Optional lead pipe flashing tile kits which can be to 9 22 mm 22 mm 28 mm 28 mm adapted to suit most roof tiles are available Any DN15 DN20 DN25 DN25 exposed elements of the roof penetration must be carefully sealed with exterior grade low modul
60. t be exceeded If there is a grounded conductor planned or laid down for pump or reversing valve it MUST also be connected There are corresponding supply terminals Please make sure that the earthing contact is led to the controller also on the power supply side Wires that are not permanently connected with the building have to be equipped with a strain relief clamp outside the controller The controller is only for the prescribed applications No liability is taken over for other utilization All operations on an open controller are only to be conducted cleared from the power supply All safety regulations for working on the power supply are valid Connecting and or all operations that require opening the controller e g changing the fuse are only to be conducted by a Solar competent heating engineer The controller is protected against overload and short circuit The controller is designed for assembly on vertical walls Installation of the controller is only permitted in an area that provides appropriate protection see technical data The ambient temperature at the installation site may never fall short of or exceed the RURAAIR 116 5mm 129 5mm Solar Thermal Installation and Servicing INSTALLATION 43 IDEAL SOLAR CONTROLLER CONNECTIONS 1 The cable can be fed through the underside of the controller WARNING THE CONNECTION WORK DESCRIBED or back panel
61. to the attachment bracket self tapping screws 5 40 6 Secure the collectors to the upper attachment bracket 1 bracket in the centre of each collector glass self tapping screws 5 40 If necessary install upper installation batten self tapping screws 5 60 23 INSTALLATION INSTALLATION 19 24 IN ROOF MOUNTING TS 8001 INSTALLATION 7 Hydraulically connect the collectors using short connecting bends 8 Connect the roof integrated connection set 8a 8b Alternative Create a CU connection using a soldered connection Install the sensor with the sensor tube extension at the forward flow 9 If installing a second row install the installtion batton for the second row of collectors using the provided 5 x 60 self tapping screws The distance between the upper and lower rows should be 200mm Solar Thermal Installation and Servicing 20 IN ROOF MOUNTING TS 8001 Solar Thermal Installation and Servicing INSTALLATION Warning The collector array must be checked for leaks before installing the metal casing 10 Slide the front corner section to the left into the required nut of the glass lower bar Note Before installing the underside of the metal casing remove the collectors lower protection piece 11 Slide the front section into the middle 12 Slide the front corner section to the right 13 Secure the front section on the required positions stampings using sealed plumbing screws
62. us silicone IMPORTANT All connections and joints must be resistant to temperature of up to 200 C and resistant to glycol During installation and servicing means for covering the solar collectors will be required to avoid burns In direct sunlight the solar collectors can reach temperatures of 200 C Note It is recommended that you select the pipework in accordance with this table If the system provides additional pressure loss bends valves etc you should consider selecting pipe with larger diameter The final part of the roof installation is the insertion of the silicon PT1000 Collector Sensor into its mounting pocket in the Flow Connector and feeding of the cable through or under the flow roof penetration and through the felt or timber sarking so that the sensor cable is visible in the loft space Wiring run lengths and cross sectional areas for low voltage collector sensor wire Lengths up to 50m 0 75mm7 Lengths up to 100m 1 5mm Solar Thermal Installation and Servicing INSTALLATION ASSEMBLY INSTALLATION 5 ASSEMBLY INSTRUCTIONS General and Transport Instructions The mounting system is suitable for tiled roofs only Installation must only be carried out by qualified personnel The entire information in these instructions is intended exclusively for such qualified personnel Only the supplied material should be used for the installation Prior to starting installation and operation of the solar collector syst
63. used Teflon or similar type tape is not to be used although a proprietary liquid type suitable for solar conditions may be used Any drain valves etc must be capable of handling the temperatures indicated above Any fittings and pipework must be capable of withstanding 1 5 times the safety valve pressure Insulation This should be High Temperature Armaflex or similar grade insulation or above Class O Armaflex is not UV resistant or designed for the temperatures realised in the solar primary circuit Polythene insulation will melt on a solar primary circuit All external items such as cable clips to hold the collector sensor must be UV resistant Flexible stainless steel hose is available in pre insulated form using suitable high temperature UV resistant insulation and a suitable two core cable for the solar collector sensor This hose is specifically designed for solar applications Solar Thermal Installation and Servicing INSTALLATION 3 COLLECTOR SIZING AND LOCATION Typically approximately 1 square meter of solar collector should be supplied for each house occupant Each Ideal Solar Collector panel has an external area of 2 02m TS8000 and 2 51 m TS8001 Therefore the Ideal 2 collector array is ideal for a 3 to 4 person household and the Ideal 3 collector array for a 5 to 6 person household The collector array should be located between 30 East and 40 West of South and at an inclination between 20 to 45 within these bands there i
64. ust be connected with one another and or the connection pipes using screw fittings 1 internal external thread with flat face sealing Ensure correct placement of the flat gaskets If flexible pipes are not used as connectors precautions must be taken to protect the connection pipes against temperature fluctuations caused by heat expansion e g expansion bends and flexible piping see Connecting the collectors to one another Operational recommendations Larger collector arrays must be assembled with expansion bends or flexible members inserted in the links IMPORTANT check the pump design When tightening the union nuts always balance counter the torque with a pipe wrench or another spanner to prevent damage to the absorber Collector inclination General notes The collector is suitable for angles between 20 minimum and 65 maximum The collector must be installed so that rear ventilation for preventing the diffusion of moisture in the collector is guaranteed The collector connections and the ventilation Openings must be protected against the penetration of water as well as contamination such as dust etc Cleaning Clean the water courses of the sheet metal edging at least once per year or more often if required Legal guarantee Legal guarantee claims can only be made if the supplier s own antifreeze has been used and maintenance has been carried out correctly Installation by qualified personnel with absolute adherence to th

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