allegato_73 - Boiler & Heating Spares
Contents
1. should face Southeast to Southwest at an 3 Is pr a i ia aes angle of 357 Minimum angle 25 maximum angle 60 Flow from Collector 10mmW copper tube Gradient of 30mm mtr back towards the AquaSol unit Return to Collector Return to Collector 15mmW copper tube AIR 0 3amp Switched fused spur ay o lo o o o Ao 070 o Blu OpenTherm Room Unit Cold Water 1 5 Metres above inlet kit must floor level be fitted after the flow limiter See paragraph TAS Water flow limiter July 2006 Page 10 of 24 7 5 Cold water inlet kit and Boiler connections Heated water from AquaSol unit To AquaSol Ferroli cold inlet Hot water supply to property Expansion vessel attached to expansion relief Thermostatic valve body mixing valve Expansion relief a piped through supplied Tundish HTG Flow Gas supply HTG Return Mains cold water supply To AquaSal Flow limiter assembly Expansion Relief Valve Expansion Vessel Alternative connection via copper tube etc 9 Pressure Reducing Valve Exploded view of cold A water inlet kit Mains in Fig a It is not permitted to fit any valve between the expansion vessel and the expansion relief valve or the expansion vessel and the AquaSol unit M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 11 of 24 7 6 To connect the unit The system should only be installed by a2. i After the completion of the service it is advisable to check the temperature of the mixed water using a calibrated gauge this should be done at the boilers recommended flow rate See the boiler technical data page within the boiler installation manual On completion of the annual maintenance please complete the log at the back of this manual 9 2 Draining the System Isolate the 230v power to the unit Turn off the cold water mains feed to the unit Switch off the electrical supply to the combination boiler Open a hot water tap and then open a drain valve which should be installed in the cold water inlet pipe at the lowest point 9 3 Flushing the System To flush the system drain the system as per instructions 9 2 Refill the system as per instructions 8 1 This may be required several times if heavily contaminated M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 20 of 24 10 Differential Temperature Controller Optimum performance of the solar system is assured by the DT3 controller The unit is fully automatic and will start the solar circulating pump when the solar collector is 10 C hotter than the lower part of the AquaSol cylinder N S par x E Y S E gt S Z Indication pump off When the temperature difference falls to 2 C the pump will switch off Upon starting the pump will automatically run on high speed power consumption 80 watts for a period of 400 seconds following
3. of flats the number served should be limited to not more than 6 systems so that any installation can be traced reasonably easily The single common discharge pipe should be at least one pipe size larger than the largest individual discharge pipe to be connected If unvented hot water systems are installed where discharges from safety devices may not be apparent e in dwellings occupied by blind infirm or disabled people consideration should be given to the installation of an electronically operated device to warn when discharge takes place Note The discharge will consist of scalding water and steam Asphalt roofing felt and non metallic rainwater goods may be damaged by such discharges M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 15 of 24 Diagram 1 Typical discharge pipe arrangement metal discharge pipe D1 from safety device temperature relief valve to tundish e g temperature relief valve p 500mm maximum tundish 300mm minimum Discharge below fixed grating 3 9 gives alternative points of discharge metal discharge pipe D2 from tundish with continuous fall See 3 9d i iv Table 1 and worked example fixed grating trapped gulley Maximum resistance allowed Minimum expressed as a Minimum size of length of Resistance size of discharge straight pipe created by pipe D2 i e no bends each elbow from tundish or elbows or bend Up to 9m Up to 18
4. on the side of the unit must be completed by the installer in permanent ink M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 17 of 24 8 Commissioning the System and User information 8 1 Filling the Cylinder Open a hot water tap and then open the cold water inlet valve Allow the cylinder to fill until through flow is obtained at the hot water tap Close the hot water tap The cylinder is now filled N B Flush system before filling 8 2 Filling the Solar Circuit A Remove the expansion relief valve assembly by removing the M8 screw B Attach a clean water supply to the filler nozzle Turn the valve on the filling manifold through 90 and begin to fill the system B vy gU 1 CS y Fill cap C When water begins to flow from the fill level indicator at the bottom of the filling manifold turn the fill valve back through 90 and detach the water source D Replace the expansion relief valve assembly and secure in place with the supplied Screw M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 18 of 24 8 3 Starting the System To start the system switch on the electrical socket the display on the front of the unit will light up The pump will run for 20 seconds at high speed and 20 seconds at low speed If there is sufficient solar gain the pump will continue to run this is indicated by the lighting or pulsing of a small dot on the right of the display N
5. which it will switch to solar radiation dependent lower speed The pump will be switched off as the AquaSol reaches a temperature of 85 C After this the collector circuit will drain and prevent the AquaSol from overheating 10 1 Fault finding errors In the event of a malfunction flashing error codes will be displayed Codes 71 73 inclusive are low priority Codes 74 77 inclusive are high priority Error codes are automatically reset once the mains supply is isolated M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 21 of 24 10 2 Low priority codes Low priority codes are automatically deleted when the fault has been rectified The system will automatically revert to normal operation after 10 seconds Code 71 Collector sensor malfunction a temperature of the collector is below 40 C or above 250 C b sensor cable is broken or short circuited c sensor defect Go to Tabel 2 Check for faults in the Printed Circuit Board PCB Code 72 Cylinder upper sensor malfunction a temperature of the cylinder is below 0 C or above 100 C b sensor cable is broken or short circuited c sensor defect Go to Tabel 2 Check for faults in the PCB Code 73 Cylinder lower sensor malfunction a temperature of the cylinder is below 0 C or above 100 C b sensor cable is broken or short circuited c sensor defect Go to Tabel 2 Check for faults in the PCB Sensor checklist Resistance v Temperature Tabe
6. Ferroli AquaSol Unvented Solar Hot Water System Installation amp User Manual THIS MANUAL IS TO BE LEFT WITH THE HOUSEHOLDER AFTER INSTALLATION F rroli Ltd Lichfield Road Branston I ndustrial Estate Burton Upon Trent Staffordshire United Kingdom DE14 3HD Tel 08707 282 885 Fax 08707 282 886 E mail technical ferroli co uk ee Contents ll Generalins cOn koenen a a a iia 3 2 ee E E A 4 De Oy stemiedunre MES E E E N 4 A Component Checklist 4 3s Handini Uneen 5 Os Fostionmno and Mounin the Unt sssaaa 5 6 1 Locaune the Uilleim a A bd ls 5 6 2 Moun n amp Requirements aid 6 6 3 Positioning and Mounting the System occccccccnoooonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnncnnnnnnnnnanos 6 Te osaline the Unitat a 7 7 1 Before CONNECT DiS UNIT a AAA AAA 8 7 2 Assembling the Pump and filling manifold ooooonnnnnccnnnnnnonnnnnnnnnnnononinnnnnnnnnnnos 8 7 3 POSS CMD IN TAS UI E eantainaac ants 9 7 4 Ferroli AquaSol Solar Drain back system occccccooonononncnnnnnononononcnnnnnnnnnnnnaninocnnnnnnnos 10 Fd Cold water inlet kit and Boiler connections cccccooooonnnnnnnnnnnnnnnnocnnnnnnnnnnonnnnncncnnnnnnnos 11 LO WO COMNCCE TNS iNi aean ANAS 12 Tel High buildings gt optional drain back tank occcccoononncnncnnnnnnnnnnnnnonnnnnnnnnnnnnnnos 13 7 8 Electric CARA 3 icectccetcot Meese a ates ees ai hci ce een hess 14 7 9 Installing Discharse Pipes aid ios 15 7 10 Advice on u
7. STIC PURPOSES B S 7431 1991 METHOD FOR ASSESSING SOLAR WATER HEATERS ELASTOMETRIC MATERIALS FOR ABSORBERS CONNECTING PIPES amp FITTINGS B S 7206 1990 Incorporating amendment Nol UNVENTED HOT WATER STORAGE UNITS amp PACKAGES Model Water Bye Laws B S 5955 8 PLASTIC PIPEWORK INSTALLATION For Northern Ireland the rules in force apply M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 3 of 24 2 Technical Specifications Manufactured by ZEN nternational ltho dedicated for F rroli Ltd Lichfield Road Branston Industrial Estate Burton Upon Trent Staffordshire United Kingdom DE14 3HD Guarantee period 1 year Specifications Maximum mains supply pressure 10 Bar Minimum mains supply pressure 1 5 Bar Unit operating pressure 3 5 Bar Unit test pressure 13 Bar Expansion vessel charge pressure 3 5 Bar Expansion valve setting 6 0 Bar Pressure and temperature relief valve Opening pressure 7 0 Bar Opening temperature 95 C Cold water connection 15 mm Hot water connection 15 mm Unit Measurements H930 x W510 x D510 mm Storage capacity 75 litres Mass of empty unit 31 kg Mass of filled unit 118 kg Maximum primary working pressure 2 5 Bar Collector Flow connection 10 mm Collector Return connection 15 mm 3 System requirements For correct operation the AquaSol must only be installed in conjunction with e Ferroli combination boilers capable of receiving pre heated water and which incorporate a he
8. aight pipe 9m long i e discharge pipes between 9m and 18m equivalent resistance length should be at least 2 sizes larger than the nominal outlet size of the safety device between 18m and 27m at least 3 sizes larger and so on Bends must be taken into account in calculating the flow resistance See Diagram 1 and Table 1 b Have a vertical section of pipe at least 300mm long below the tundish before any elbows or bends in the pipe work C Be installed with a continuous fall d Have discharges visible at both the tundish and the final point of discharge but where this is not possible or practically difficult there should be clear visibility at one or other of these locations Examples of acceptance discharge arrangements are i Ideally below a fixed grating and above the water seal in a trapped gully 11 Downward discharges at low level i e up to 100mm above external surfaces such as car parks hard standing grassed areas etc are discharges a wire cage or similar guard must be positioned to prevent contact whilst maintaining visibility ili Discharges at high level e g into a metal hopper and metal down pipe with the end of the discharge pipe clearly visible tundish visible or not or onto a roof capable of withstanding high temperature discharges of water and 3m from any plastics guttering systems that would collect such discharges tundish visible iv Where a single pipe serves a number of discharges such as in blocks
9. at exchanger in which the domestic hot water is maintained at a minimum temperature of 60 C at all times e Ferroli solar collectors suitable to be used in a drain back system Advised is one Ferroli Compact 23 collector 4 Component Checklist Before beginning the installation of this unit examine the contents and determine that all the components listed below are included 1 Ferroli AquaSol unit comprising 1 Pump 1 Filling circulating manifold with pressure relief valve 1 Cold water inlet kit comprising 1 x 3 5 bar rated pressure reducing valve 1 x combined expansion relief check valve 1 X 12 litre expansion vessel Packed separately 1 Tundish 1 Thermostatic Mixing Valve 1 Water flow limiter valve assembly c w removable flow limiter M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 4 of 24 5 Handling the Unit The unit should be handled with care stored in dry conditions and not stacked more than 3 units high Always store the unit in the indicated upright position Do not rest the packed or unpacked unit on its lower side as this will damage the inlet system Do not handle the unit using any of the pipe work or fittings 6 Positioning and Mounting the Unit 6 1 Locating the Unit When locating the unit consideration should be given to the following Access to the cold water mains inlet pipe work Access to the hot water pipe work Access to a 230v a c electrical 3amp switched fused spur Ac
10. cess to waste water system see paragraph 7 9 Suitability of the wall to support the unit see paragraph 6 2 The following clearances are required for maintenance purposes Top view 50mm 500m gt 600mm Side view Front view M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 5 of 24 6 2 Mounting Requirements The unit has a total filled weight of 118 kg and as such provision must be made for the mounting wall to accommodate this weight via the wall mounting points Use the fixings supplied 6 3 Positioning and Mounting the System Once the position of the unit has been determined the fixing points should be marked on to the wall at a minimum height of 1300mm from floor level and at 325mm centres Holes should be drilled at these points to accept the wall bolts directly or the supplied plugs depending on the wall type Fix the supplied mounting bracket using the wall bolts and ensure the bracket is horizontal level Note if the AquaSol is not mounted on a solid wall adequate precautions should be taken to ensure that the fixings are mounted into the battens of the wall and that these are of sufficient strength to support the unit Hang the unit on the wall bolts and secure with the provided nuts Adjust the support leg to the correct height M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 6 of 24 7 Installing the Unit Installation of this unit should only be carried out by a regi
11. er to prevent it starting up the after heating function if the solar water temperature is above a temperature level of 60 C CYL BLACK COL a z ial to a Z A a ll baaa We Lt ZEN DT3 10 be ala THE EC YL GREY 0_0 2 EE las CYL BLACK EnS d H pump constant high power H L pump high gt max low power level Auto pump speed optimised to system Power Supply Pump Supply Thermostat for boiler control if required VOLT FREE Auxiliary supply for combination boilers with secondary storage Cylinder sensor upper Cylinder sensor lower Collector sensor Optimax HE Combination Boiler of STA F AA EGC 133 1358 7 CED Boiler terminals 1 amp 2 Fig f AquaSol Circuit board WARNING Isolate the electrical mains supply before removing the outer cover M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 14 of 24 7 9 Installing Discharge Pipes The discharge pipe from the tundish must be fitted and sized in accordance with Building Regulations for Discharge Pipes G3 Clause 3 9 Diagram 1 and Table 1 as laid out below Clause 3 9 The discharge pipe from the tundish should terminate in a safe place where there is no risk to persons in the vicinity of the discharge be of metal and a Be at least one pipe size larger than the nominal outlet size of the safety device unless its total equivalent hydraulic resistance exceeds that of a Str
12. l 2 Electrical resistance of the sensors To Check For Faults In The Sensor Cable and or PCB a remove the appropriate sensor from the PCB and b temporarily fit a replacement and check the display against for example body heat C measure the resistance of the sensor and compare with Tabel 2 Electrical resistance of the sensors M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 22 of 24 10 3 High priority codes High priority function codes are always shown before low priority codes Removing a high priority code could show a low priority code afterwards if the mains supply is not isolated Code 74 No collector circulation Code 74 results in a shut down of the pump for 10 hours after which the low speed revolutions of the pump are increased incrementally by 4 until after 6 days a maximum of 40 is reached This is the normal operation of the DT3 First check to see if the pump is already operating at 40 revolutions Switch off the mains supply Put the jumper JP1 on H L paragraph 7 8 Switch on the mains supply The controller will now run for 30 minutes If after 30 minutes the controls function correctly and code 74 is not displayed switch off the mains and put the jumper back on to AUTO The DT3 will automatically select the most appropriate low speed revolutions within the following 6 days DnD If after 30 minutes Code 74 appears again check the following H Check the operation of
13. m Up to 27m Up to 9m Up to 18m Up to 27m Up to 9m Up to 18m Up to 27m Tabel 1 Sizing of copper discharge pipe D2 for common temperature relief valve outlet sizes M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 16 of 24 Worked example The example below is for a GY temperature relief valve with a discharge pipe D2 having 4 No elbows and length of 7m from the tundish to the point of discharge From Table 1 Example 1 Maximum resistance allowed for a straight length of 22mm copper discharge pipe D2 from G temperature relief valve is 9 0m Subtract the resistance for 4 No 22mm elbows at 0 8m each 3 2m Therefore the maximum permitted length equates to 5 8m 5 8m is less than the actual length of 7m therefore calculate the next largest size From Table 1 Example 2 Maximum resistance allowed for a straight length of 28mm cooper discharge pipe D2 from G temperature relief valve is 18 0m Subtract the resistance for 4 No 28mm elbows at 1 0m each 4m Therefore the maximum permitted length equates to 14m As the actual length is 7m a 28mm D2 copper pipe will be satisfactory 7 10 Advice on use in Hard Water Areas When installing this unit in hard water areas we recommend fitting a scale reducer This should be fitted on the cold water inlet before the pressure reducing valve 7 11 Completing the I nstaller s label The label giving installer s details located
14. mum height between drain back level and top of the collector is dependent upon the solar pump in the AquaSol storage unit Therefore the maximum height is 4m t is advised to install a separate drain back tank in case this is more than 4m See paragraph 7 7 and ask your supplier The manufacturer is not responsible for damage caused by not following the provided installation instructions or poor installation work M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 12 of 24 7 7 High buildings gt optional drain back tank In high buildings houses where the difference between the AquaSol and the collector will be more than 4m a separate drain back tank must be installed in the collector flow In this way The maximum height difference between collector and AquaSol is expanded to 15m 4m 19m For detailed installation instructions and filling procedure see also the Manual of the drain back tank Min pipe slope 30 mm m Optional drain back tank Boiler Window or other obstacles Installation of an extra drain back tank in the flow of the collector circuit M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 13 of 24 7 8 Electrical Connections The unit has a factory fitted cable This cable should be connected to a 3 Amp switched fused spur The collector sensor must be connected to the terminals marked COL Polarity is not important The AquaSol will give a signal to the Ferroli boil
15. nd check for blockages If these investigations prove negative the part may need to be replaced Contact the manufacturer for replacement parts information or your local stockists c Turn off the mains water supply and remove the cartridge from the pressure reducing valve Clean the strainer and replace the cartridge Turn the mains supply back on ensuring there are no leaks d Remove the solar circuit fill cap and check that the water in the system is at the correct level if not top up the circuit as per paragraph 8 2 e Check expansion vessel air pressure is at 3 5 bar this should be checked with the mains pressure at zero M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 19 of 24 f If the unit is installed in an area where the water is hard or contains appreciable solids flush the system Turn off the mains water supply drain down the hot water circuit by opening a hot water tap Carefully loosen the union to the mixing valve as water may still be held within the pipe work WARNING The draining of the system should only be carried out when the pipe work is cool as the water can become extremely hot during normal operation O D Remove the unions from the mixing valve and clean out the filters as required Check the operation of the check valves to ensure they open amp close freely Re connect the unions amp open the mains water inlet to ensure there are no leaks close the hot water outlet
16. ormal operation If solar radiation is available to heat up the AquaSol the pump will be switched on in high power mode during 400 sec to purge air from the collector circuit After this starting up period the pump flow will be adjusted depending on solar radiation and temperature in order to optimize the solar gain of the system 8 4 System Failure In an emergency situation this unit will shut down automatically due to the safety cut out system this can be identified by the unit display panel no longer being lit Hot water may also be discharged through the tundish Should this situation arise allow the unit to remain in this mode for a period of 2 hours and then switch off unplug the unit and contact the installer 9 Maintaining the System 9 1 Annual Maintenance It is recommended that the following checks be carried out at least once a year by a competent operative a Twist the cap of the Expansion Relief Valve and check that water is discharged and is visible running through the tundish and at the discharge drain Ensure that the valve re seats itself and that no further water is discharged 2 Lift the lever or twist the cap depending on model of the Pressure Temperature relief valve and ensure that water is discharged and is visible running through the tundish and at the drain Ensure that the valve re seats itself and that no further water is discharged If any part fails these tests shut down drain the unit a
17. press written permission of Ferroli ltd M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 2 of 24 1 General instructions This device must only be used for the purpose for which it is specially designed This unit is designed to heat water to a temperature below boiling point and must be connected to a heating system and or a water supply system for domestic use compatible with its performance characteristics and its heating capacity Any other use is considered improper AQUASOL INSTALLATION MUST ONLY BE PERFORMED BY QUALIFIED PERSONNEL IN ACCORDANCE WITH ALL THE INSTRUCTIONS GIVEN IN THIS TECHNICAL MANUAL THE PROVISIONS OF CURRENT LAW THE RECOMENDATION OF BS STANDARDS ANY LOCAL REGULATIONS AND THE RULES OF COMPETENT WORKMANSHIP Incorrect installation can cause damage or physical injury for which the manufacturer declines any responsibility This appliance must be installed strictly in accordance with the following instructions and regulations The Local Building Regulations The Building Regulations Part L The Building Regulations for Discharge Pipes The Buildings Standards Scotland Consolidated Regulations British Standards Codes of Practice B S 5449 FORCED CIRCULATION HOT WATER SYSTEMS B S 7671 IEE WIRING REGULATIONS B S 4814 SPECIFICATION FOR EXPANSION VESSELS B S 7593 TREATMENT OF WATER IN DOMESTIC HOT WATER CENTRAL HEATING SYSTEMS B S 5546 INSTALLATION OF HOT WATER SUPPLIES FOR DOME
18. se in Hard Water reaS ooooonnccnnnnccconnnnocnnnnnnnnnnnnnnnnnnnncnnonnnnnnnanannnnnnnns 17 AL Completing the Installer label cal aa 17 8 Commissioning the System and User information cccccccccccccccsssseeeeecceceeeeasesseeeeeees 18 8 1 Pilie tc End dida 18 52 Pilling the Solar CHIC etter owtasn tected ec thes sence lites eis 18 8 3 Starin theta lia iia 19 8 4 System Rallador encore TT 19 9 Maintaining the SM A A ates tebedaveaatiuxarien 19 9 1 Anual Maintenance soursie Na 19 92 Dramm MSM AA 20 9 3 ELSA MES oia wen ae 20 10 Ditterential Temperature Controller sia a 21 101 Fau imanes error nia salad lalo dlaa ca ici s 21 OS IOWA pProriy Codes iso ios cidbs 22 POS Elie le prrOLity COES ari E A E 23 11 SEVICE LOS dio eniiaied 24 All rights reserved Specifications and information contained in this manual are furnished for informational use only and are subject to change at any time without notice and should not be construed as a commitment by Ferroli Ferroli assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual including the products and functions described in it Copyright O 2006 No part of this manual including the products and functions described in it may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means except documentation kept by the purchaser for backup purposes without the ex
19. stem and all pipe work is flushed to BS7593 thus removing all contaminants prior connecting to the AquaSol e Ensure that the discharge pipe tundish and drain valve are positioned away from any electrical components 7 2 Assembling the Pump and filling manifold Figure 1 Assemble the pump and filling manifold as shown in Figure 1 Do not attach the expansion relief module at this time as it is required to be detached for the system filling process Correct pump orientation M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 8 of 24 7 3 Assembling the unit Figure 2 Connect the tundish assembly as follows Connect 1 to the expansion relief valve on the filling manifold 2 Connect 5 to the pressure relief outlet on the AquaSol 6 hand tighten only Connect the pump assembly 3 to the collector return 4 Note that the 15mm copper pipe fits inside the 22mm stainless steel pipe Hand tighten only Ensure the pump assembly and main tundish tail are fully located then fully tighten the compression joints M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 9 of 24 Maximum 4mtr head AquaSol cylinder with integral drain back k ee Optimax HE Combination Boiler Domestic Hot Water outlets F D Thermostatic Blending Valve M 1261 06 X AquaSol Ferroli Installation Manual doc a E re gt le A e collector lo For maximum exposure the collector
20. stered installer That is an installer who has attended a course or received instruction during their apprenticeship on the installation of Unvented Hot Water Systems All registered installers should carry an identification card as issued by the Institute of Unvented Hot Water Systems the Construction Industry Training Board or the Institute of Plumbers Collector TGP valve Ferroli Optimax HE AquaSol eee Drain back _ _ Boiler level e Hot water Mains In cer Drain valve N Inlet kit CF Collector Flow Water flow limiter CR Collector Return Tundish CW Cold Water Todan HW Hot water gecral Schematic layout of water connections for AquaSol and boiler M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 7 of 24 7 1 Before connecting this unit e For the installation of a complete Solar system planning permission may be required especially if the building is located in a conservation area or is a listed building These solar thermal systems are classed as a permitted development It is however advised to check with the local planning department prior to installation e Ensure that incoming mains pressure is adequate minimum 1 5 Bar but less than 10 Bar This information may be obtained from the local water authority or by conducting a mains pressure amp flow test e Excessive use of flux can damage this unit especially the check valves Avoid over use and ensure that the sy
21. suitably qualified and registered installer Only compression fittings should be used to connect the unit Hot water Connect the hot water outlet HW to cold water inlet on the combination boiler Connect the hot water outlet of the combination boiler to the supplied blending valve which should be set to the recommended temperature of 48 C or as required NOTE care must be taken to prevent scalding from too higher temperature Connect the safety discharge pipe from the tundish to drain as stated in paragraph 7 9 Solar circuit Connect the solar return SR with 15mm copper tube the pipe work running from the circulating pump outlet to the bottom of the solar collector Connect the collector flow CF with 10mm copper tube the pipe work running from top of the collector to the top CF connection on the AquaSol NOTE Both connections to the Ferroli solar collector are at the bottom of the unit and flow and return can not be mixed up The flow connection is 10mm the Return connection is 15mm Always keep in mind the drain back level of the Solar storage system Always install the collector in a level plain the flow amp return must be mounted with an angle of 30mm m or greater The flexible connections of the collector must be installed with the same angle gt 30mm m The collector itself must be mounted level on the roof Install the collector as close to the AquaSol storage unit as possible to prevent extra heat loss The maxi
22. the lower cylinder sensor Tabel 2 b Check the height difference between the pump and the highest point of the collector maximum 4 0m c Check the primary circuit for blockages d Check the connections and operation of the pump Code 75 Collector temperature too high pump switched off by DT3 Collector temperature exceeded 130 C during the period the pump was operating After 10 hours the DT3 will allow the pump to run again Check the operation of the lower cylinder sensor Tabel 2 Check the height difference between the pump and the highest point of the collector maximum 4 0m e Check the primary circuit for blockages f Check the connections and operation of the pump Qo200 8 Code 76 Pump does not switch off within 24 hours a Check the operation of both collector and lower cylinder sensors Tabel 2 b Check the connections and operation of the pump Code 77 Pump does not switch on within 30 days a Check the operation of both collector and lower cylinder sensors Tabel 2 b Check that the collector sensor is in contact with the absorber plate M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 23 of 24 11 Service Log Serviced by Sign amp Print Name M 1261 06 X AquaSol Ferroli Installation Manual doc July 2006 Page 24 of 24
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