Grundfos pressurização


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Grundfos pressurização

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Grundfos pressurização

  1. 1. About to plan apressure boosting system?Call Grundfos first!www.grundfos.comBeing responsible is our foundationThinking ahead makes it possibleInnovation is the essenceFind all the information you need here!Grundfos WebCAPS and WinCAPS are complete tools for Computer Aided Product Selection. Here youwill find full pump data, step-by-step guides for easy dimensioning, technical specifications for yourproject plans, video clips demonstrating how to service your pumps, and more.You enter WebCAPS via the Grundfos website. The CD-ROM version, WinCAPS, is available from yourlocal Grundfos office.The Grundfos System Guide is a comprehensive binder full of information and recommendationsto help you design the best possible heating, air conditioning, pressure boosting, and wastewatersystems.Grundfos – your systemdesign partnerGrundfos offers a complete range of pump solutionsfor the commercial building sector. But we also offersystem know-how that can help create the best, mostefficient designs for your building project. This is alsotrue for air conditioning systems, fire protection,wastewater handling, pressure boosting, and heating.So whatever system you are planning, call Grundfosbefore you get down to exact designs – as we canensure you have the best available solution. Thisbrochure offers a brief glimpse of the pressure boostersystem expertise Grundfos can offer you.GRUNDFOSCOMMERCIAL BUILDING SERVICESAll the pressure you’ll ever needGrundfos has a full selection of pumps to provide the right pressure inyour water supply system. Ranging from single pumps with capacityup to 2000 m3/h, and turnkey booster set, all controlled by a dedicateduser-friendly pump controller.Every member of the pressure booster product family features Grundfosquality throughout.A good beginning makes a good endingIf you are about to plan a pressure boostingsystem, the very best way to start is to callGrundfos for a talk about what you coulddo. We can tell you exactly what is possible– and point out potential pitfalls. Your planningbecomes easier, and the people inhabiting yourfinished projects will enjoy plumbing that worksexceptionally well.We share the tricks of the tradePressure boosting is about ensuring comfort forevery person in the finished building. We canhelp you make that happen. Being Grundfos,it goes without saying that we offer superiorpump technology for every boosting need.But you should also be aware that we willlet you know all the little tricks of the tradebeforehand.For example, we can help you design a systemthat will provide hot and cold water in equalmeasure – a small point, perhaps, but onethat is genuinely appreciated by millions ofpeople every time they take a shower. That iswhat the Grundfos difference is all about. Thisbrochure includes a few tips of this kind; formore information, contact your local Grundfoscompany.Your project planning partnerAt Grundfos, we do not simply sell pumps. Wemake a wealth of experience available to you.That is why we encourage you to make fulluse of our expertise by involving us during theearliest project stages. Then we can give youthe best help possible – and you derive the fullbenefit of partnering with Grundfos. So for thebest results, call us first.Grundfos pumps and know-how forpressure bpressure boostingoostingsystems965352751205
  2. 2. Calculating what you needThe calculation of flow, pressure and load profile is important toidentify the correct pump system for your installation. Below a fewexamples of how to calculate the right flow and examples of therelated load profile.For more specific calculations to suit your installation, contact us– we will be happy to be of assistance.Calculation of max. flow for system design ExampleUnits 1 pupil 700Total consumption per bed 8 m3/year 5,600 m3/yearConsumption period 200 day/year (5,600/200)Average consumption per day 0.04m328.0 m3Factor for maximum consumption 1.3 (28 x 1.3)Maximum consumption per day 0.065 m336.4 m3Factor for peak flow per hour 2.5 (36.4 x 2.6)/24Dimensioning flow per hour/bed 0.007 m3/h 3.8 m3/h� � � �� ���� �������������Time (h)Flowin %Load profileCalculation of max. flow for system design ExampleUnits 1 residence 65Total consumption per bed 183 m3/year 11,895 m3/yearConsumption period 365 day/year (11,895/365)Average consumption per day 0.5 m332.6 m3Factor for maximum consumption 1.3 (32.6 x 1.3)Maximum consumption per day 0.65 m342.4 m3Factor for peak flow per hour 1.7 (42.4 x 1.7)/24Dimensioning flow per hour/bed 0.046 m3/h 3 m3/h� � � �� ���� �������������Time (h)Flowin %Load profileCalculation of max. flow for system design ExampleUnits 1 bed 600Total consumption per bed 300 m3/year 180,000 m3/yearConsumption period 365 day/year (180,000/365)Average consumption per day 0.8 m3493.2 m3Factor for maximum consumption 1.2 (493.2 x 1.2)Maximum consumption per day 0.96 m3591.8 m3Factor for peak flow per hour 3.0 (591.8 x 3)/24Dimensioning flow per hour/bed 0.12 m3/h 73.9 m3/h� � � �� ���� �������������Time (h)Flowin %Load profileInclude hot water supply in each zoneIf the pressure boosting system is divided into zones,we always recommend that you include a hot-waterproduction unit in each zone. That way, you avoidlarge differences in pressure between the hot andcold water.Where should I place non-return valves?In systems exposed to inlet pressure – i.e. systemsthat are connected directly to the water supply – werecommend that you place the non-return valves af-ter the pumps. This prevents the pressure inside thepump from becoming too low, so you avoid problemswith air being sucked through the shaft seal.If your system is subjected to suction pressure – i.e. ifit is connected to a break tank – you should place thenon-return valves before the pumps.Always use dry-running protection!We always recommend that you add dry-runningprotection to your pressure boosting system. Exactlyhow you do this depends on the type of system. Ifyour booster system is connected directly to thewater supply, you should use a pressure sensor tomonitor that there is sufficient pressure to thepump. If your system uses a break tank, use a levelsensor in the tank instead.The brains behind the boosting:Multi Pump ControlGrundfos has developed the perfect brains for usewith CR-based Hydro booster systems. The MultiPump Control maintains its outstanding user-friendliness right from the initial installation throughto everyday operation.The large display is easy to navigate, regardless ofwhether you are using the installation wizard orcarrying out day-to-day monitoring. The Ethernetconnection option even brings the Hydro MPC inter-face to your own computer so that matter where youare, you will always be in control.HospitalApartment blocksSchoolA few tips when designing pressure boostingMeeting your needsWater supply solutions can be made in several different ways, depending upon individual systemrequirements. Whether demands for flexibility, local legislation, or regional standards set your course,Grundfos can provide a complete system solution to meet your needs.System overviewThe Hydro MPC can control up to six pumpsconnected in parallel, adjusting the speed of eachpump to optimise performance at all times.The Hydro MPC alsogives you access toremote datacommunication,operation statistics,and much more.Direct connection Break tank connection Zone divided Roof top tank Roof top tank withintermediate break tankSeries connected systemwith intermediate break tankSeries connected systemHydroMPCHydro1000HydroMulti-EHydro Sole CR(E)NB(E)NK(E)TP(E) HS BMBTURNKEY UNITS SINGLE PUMPS720m3/h160 m480m3/h100 m115m3/h100 m44m3/h38 m99m3/h120 m270m3/h130 m480m3/h130 m2000m3/h130 m90m3/h260 mDirectconnectionSingle zone  Zone divided  Break tankconnectionSingle zone  Zone divided  Roof tank      Seriesconnection     sPressure sensorLevel sensorNon-return valvesplaced after the pumpsLevel sensorNon-return valvesplaced before the pumps