External and internal Filter 3
Contents
1. 1 the pipe is inserted from the outside The emergency overflow 2 pipe length 250 mm is installed above the siphon 3 and is installed by pushing through from the inside JA Important The sealing ring from the HT faa pipe coupling of the emergency overflow 2 must be removed ua p PN f ail qil A y 6 3 Installing the Filter The fixing collar is pushed over the inlet pipe that is mounted on the tanks dome Finally the prepared filter assembly is placed into the tank dome from above then connected with the emergency overflow and inlet pipe using the fixing collar In this case it is a butt joint that requires no collar ain oM 6 4 Assembly of the extraction mechanism Remove the seal from the filter basket and push the metal angle of the lift out mechanism over the rim as shown in the picture Finally place the seal over the rim and pull back the metal angle US Adaptation Copyright RainHarvest Systems LLC Page 5 of 6 7 Commissioning and Service Before commissioning and at every inspection the lifting out mechanism must be positioned at 90 to the inlet so that no large objects such as leaves and twigs can catch on the handle The straining filter is removed for cleaning and the basket must be thoroughly cleaned with water until all the pores are open It is advised to clean every 4 to 5 weeks more often in Autumn due to more leaves and twigs or according to requirem2. 8 16 accora ing to DIN 4226 1 with a width of approximately 30 cm Each layer is to be of no more than 30 cm and must be tamped down lightly with a compact ing machine or hand held tamper Care must be taken during the embedding to ensure the filter is not damaged To ensure that no forces are applied to the filter housing the telescope must be well embedded and compacted For areas traversed by light traffic see section 5 3 2 Finally the cover is set in place and secured so that it is child proof Section 1 1 must be followed The screws holding down the cover are to be made so tight that they can not be removed and the cover opened by a child US Adaptation Copyright RainHarvest Systems LLC Page 4 of 6 6 1 Filter preparation Before the installation in the tank the filter must be prepared as shown in the adjacent depic tion Length of the HT canalisation pipe connections completed on site from the filter to the inlet connection and including the coupling Diamant Carat 2 200 It 800 mm 2 700 It 1220 mm 3 350 It 1050 mm 3 750 It 1350 mm 4 800 It 1350 mm 4 800 It 1510 mm 6 500 It 1650 mm 6 500 It 1700 mm 7 800 It 1900 mm 7 500 It 1350 mm 9 200 It 2200 mm 9 600 It 1510 mm 13 000 It 1700 mm 6 Assembly Installation of the Universal 3 Internal 6 2 Tank preparation The siphon is installed in the lowest seal 3 of the tank dome The inlet pipe 150 mm long is mounted on the side opening
3. Installation and maintenance instructions for the GRAF Universal External and internal Filter 3 Universal Filter 3 for exter nal green areas Order No 340020 Universal Filter 3 external for areas traversed by light traffic Order No 340021 Universal Filter 3 internal Order No 340022 Modular add on pack 2 Order No 342002 The points described in these Contents instructions must be followed 1 General notes Page 2 correctly If not correctly ob 11 Safety ae served any right to claim on 1 2 Labelling Tagging obligation the guarantee may be re 2 Installation requirements Page 2 fused For all additional 2 1 Universal 3 pedestrian weight resistant GRAF articles purchased 2 2 Universal 3 for light traffic there are separate installation 293 Universal 3 integrated instructions enclosed in the 3 Transport and storage Page 3 transportation packing 3 1 Transport 3 2 Storage Any missing instructions 4 Technical data Page 3 must be requested directly 5 Assembly Installation of Page 4 from us external Filter 5 1 Preparation of the excavation A complete check of the tank 5 2 Placing in the excavation and laying for possible damage must be the connections carried out before the instal 5 3 Telescope installation lation in the excavation be 95 4 Filling gins 6 Assembly Installation of the Page 5 Universal 3 Internal The installation must be car 6 1 Filter preparati
4. ents The filter strainer basket must be lightly pressed into place taking care that the seal sits pre cisely after every cleaning At the occasion of each inspection the overflow siphon must be checked and flushed in nec essary Otto GRAF GmbH Carl Zeiss StraBe 2 6 D 79331 Teningen Tel 0049 0 7641 589 0 Fax 0049 0 7641 589 50 www graf info info graf online de Stand 01 08 GRAF Distribution SARL 45 route d Ernolsheim F 67120 Dachstein Gare Tel 0033 388497310 Fax 0033 388493280 www graf info info graf fr Version 01 08 GRAF IBERICA Tecnologia del Pl stico S L Sant Miquel 37 ES 17003 Girona Tel 0034 972913767 Fax 0034 972913766 www graf info info grafiberica com Version 01 08 US Adaptation Copyright RainHarvest Systems LLC Page 6 of 6
5. face area of the excavation should exceed the filter dimensions on all sides by approximately 50 mm The excavation slope is according to DIN 4124 The installations excavation must be level and smooth The depth of the excavation must be measured so that the final installa tion depth of the filter bottom is a maximum 1050 mm As an under surface for setting down a layer of smooth sand with a grain size of 8 16 according to DIN 4226 1 and a layer depth of approximately 10 mm should be used Important The setting down surface for the filter must be absolutely level to ensure an op tional performance 5 2 Placing in the excavation and laying the connections The filter is installed in the prepared excavation and is then connected to the relevant pipes etc Attention it is important to note that all the pipes to be installed have a must have a gra dient of at least 1 in the flow direction without sagging or bending downward An emer gency run off must also be connected so that a congestion or back surge may be avoided Important DIN 1986 must be followed therefore the diameter of the supply pipe the di ameter of the run off pipe 5 3 Telescope installation 5 3 1 Telescope pedestrian resistant The telescope is pressed into the filter housing from above For excavation depths lt 930 mm the telescopic attachment and in some circumstances the filter housing must be shortened It is important to pay attention that the inlet pipe is
6. not obstructed in any way by the telescope when installed Before pushing in the telescope the profiled sealing ring is Beh eae rc placed in the housings recess The telescope eee and the sealing ring must be thoroughly coated with the lubricating soap included in the delivery use no lubrication that is mineral oil based Attention If the lubricating soap becomes dry and the telescope becomes difficult to move then there is the danger that the sealing ring will be forced out of its recess Before filling the sealing ring must be checked once again that it is seated correctly in position The telescope must be sufficiently embedded and supported that no forces are transferred to the housing Clamping profile 5 3 2 Telescope suitable for light traffic The telescope is installed as in Point 5 3 1 To ensure the function in areas traversed by light traffic the telescope must be embedded around the collar with lean mixed concrete The concrete encasement must be uninterrupted 20 cm wide and approximately 30 cm deep Attention It is important to use the cast steel cover Transport vehicle weight of heavy goods vehicles and machinery is not permitted The telescope must be sufficiently embedded and supported that no forces are transferred to the housing 5 4 Filling Important Before and during the filling the horizontal position of the filter must be checked The lengthwise embedding of the filter is with smooth sand with a grain size of
7. on ried out by a professional 6 2 Tank preparation firm 6 3 Installing the Filter 6 4 Assembly of the extraction mechanism T Commissioning and Service Page 6 US Adaptation Copyright RainHarvest Systems LLC Page 1 of 6 1 General notes 1 1 Safety When working on the installation the appropriate accident prevention regulations in Ger many BGV C22 must be followed For safety reasons especially when entering the tank it is important that a second person is present Furthermore when carrying out assembly and installation work inspection maintenance and repairs all work regulations and norms must be followed You will find the advice in the ap propriate sections of these instructions The installation of the system and or single equipment parts must be carried out by a profes sional worker The complete system must always be out of operation and guarded against unauthorized use when carrying out work on the plant or parts of the system The tank cover must always remain closed except when working in the tank otherwise there exists a very high danger of accidents The seating and condition of the cover must be checked on a regular basis The GRAF Company offers an extensive range of accessories that are all compatible with one another and may be used to construct a complete system The use of other manufactur ers accessories can impair the function of the system and liability for any resulting damages will no l
8. onger be covered under the guarantee 1 2 Labelling Tagging obligation All pipe work and outlets of the water systems are to be labelled with the words Not drink ing water either in words or graphically German norm DIN 1988 Part 2 paragraph 3 3 2 so that after years of use an accidental connection to the drinking water system is pre vented Even when correctly labelled it may possibly be mistaken for example by children For this reason all the outlets of the systems process water must be fitted with child safe valves 2 Installation requirements 2 1 Universal Filter 3 pedestrian weight resistant The Filter with the green telescopic attachment and cover may only be installed in green areas that are not traversed by traffic The amount of short term load of the polyethylene cover is max 150 kg the long term area load max 50 kg The maximum installation depth to the filter bottom is 1050 mm Roof areas provided with a pipe connection of DN 100 350 m and for DN 150 500 m2 2 2 Universal Filter 3 external for light traffic Through the use of the telescopic attachment anthracite and the cast iron cover Class B according to DIN EN 124 the filter may be installed in areas traversed by light traffic Un der no circumstances are the tanks to be installed in areas traversed by heavy goods ve hicles or machinery see point 5 3 2 The earth covering above the inlet supply pipe must be at least 450 mm the maxim
9. um installation depth to the filter bottom is 1050 mm Roof areas provided with a pipe connection of DN 100 350 m and for DN 150 500 m2 2 3 Universal Filter 3 integrated The Filter is suitable for installation in a pilot shaft or in a cistern The difference in height between the supply pipe and outlet is 250 mm The Filter may not be installed directly in the earth The filter is suitable for roof areas up to 300 m2 US Adaptation Copyright RainHarvest Systems LLC Page 2 of 6 3 Transport and storage 3 1 Transport During the transport the filter must be well secured against slipping or falling If the Filter is to be secured for transportation with webbing straps it is to be ensured that the filter remains undamaged Stress and excess loading caused by impact are to be avoided Under no circumstances is the filter to be rolled or slid over the ground surface 3 2 Storage Any necessary temporary storage of the filter must be on an appropriate level surface without sharp objects During the storage it is important to avoid damage caused by the surrounding environment or foreign objects 4 Technical data e AEA EEE r ret TR cto Lif 40 485 US Adaptation Copyright RainHarvest Systems LLC Page 3 of 6 5 Assembly and installation of external Filter 5 1 Preparation of the excavation So that sufficient working room is available and the filter can be evenly embedded the sur
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