Home Booster 3.0 & 4.5 bar Installation & Operating Instructions
Contents
1. failure of the Home Booster it is recommended to install a cold water mains water bypass to allow continued water supply albeit at a reduced pressure to the installation The bypass arrangement must be installed strictly in accordance with the Water Byelaws Regulations To prevent stagnation the water in the bypass should be left drained when the bypass is not in use The diagram below is for guidance only WEIGHTS amp DIMENSIONS PM2 600 ae Controller Home Booster 3 0 Weight dry 57 kg Weight wet 237 kg Shipping weight 79 kg Home Booster 4 5 Weight dry 60 kg Weight wet 240 kg Shipping weight 82 kg Overflow Mains Water In ne Slave Tank eral dia Weight dry 30 kg Iischarge Weight wet 210 kg Shipping weight 52 kg 1000 840 Side View Front View 535 All dimensions in mm TYPICAL INSTALLATION shown with Slave Tank option Installation with Slave Tank Optional Installation without Slave Tank Slave Tank Home Booster To Drain Pressure Reducing Vall Grundtos fee Sololitt lt 3 Check Valve T T Boosted cold water supply to pressurised system To Drain Mains Bypass Mains Vater Supply to Drinking Water Taps H i I E l EF Incoming cold water mains supply Connecting Fipe For basement installations the Grundfos Sololiftt C3 can be used to pump overflow water from the Home Booster to drain The above diagram is for guidance only please refer2. is vented then stops and red light b Storage tank empty b Check water level in storage tank illuminates Check incoming mains water supply Check ball valve for debris 3 Pump On light illuminated on a Relay contact in PM2 defective a Check electrical supply in pump motor terminal box PM2 faulty if no voltage between Live PM2 but pump does not run and Neutral terminals b Pump shaft seized b Check that pump shaft is free to rotate 4 Pump stops but starts again a Precharge pressure in vessel a Check vessel precharge pressure and adjust to 90 of cut in pressure setting after a few seconds incorrect 5 Pumps delivers correct a Pressure setting to high a Check switch settings in PM2 controller pressure but does not stop b Flow demand or leak b Close outlet isolating valve the pump should stop If the pump stops there is a system with no demand flow which is keeping the pump running on the flow switch SPARES PARTS Pump CHN 2 40 43602104 Pump CHN 2 60 43602106 PM2 Controller 96848740 8 Litre Pressure Vessel 96526321 Instruction Manual amp Quick Guide Home Booster Product code 97653729 Revision 2 GRUNDFOS PUMPS LTD Leighton Buzzard Head Office Grovebury Road Leighton Buzzard Bedfordshire LU7 4TL Tel 01525 850000 Fax 01525 850011 Domestic Building Services Leighton Buzzard Bedfordshire Tel 01525 775402 Fax 01525 775236 Commercial Building Services Leigh Lancashire Tel 01942 263600 Fax 01942 605
3. shut down The following checks should be carried out at this time 1 Check that there are no leaks on the internal pipe work the pump particularly around the shaft seal and pressure tank 2 Check for any corrosion particularly on the pressure tank 3 Check that the pump shaft is free to rotate 4 Check that water does not appear at the valve on the pressure tanks when the air valve is depressed 5 Check and adjust if necessary the precharge pressure of the pressure vessel 6 Check that the pump operate quietly and smoothly without vibration or excessive noise Any large deviations from the system values should be investigated for a possible fault Should any faults be found check the symptoms with the Fault Finding Chart Should any faults be found check the symptoms with the Fault Finding Chart and if necessary contact Grundfos Pump Ltd for advice or Grundfos Europump for service Once inspection and any maintenance work is completed ensure that the isolating valves are opened fully and that the electricity supply to the booster set is restored Check that the correct system pressure is achieved Page 7 Fault Finding Chart FAULT INDICATION CAUSE CORRECTIVE ACTION 1 No lights on the PM2 a No electrical supply to Home a Check mains isolator is ON controller Booster Check the fuse in the plug or switched fuse isolator Confirm 240V between Live and Neutral 2 Pump runs for a short time a Pump air locked a Check that the pump
4. to the Water Byelaws Regulations for full details Page 5 Electrical General Ensure that the electricity supply has been suitably isolated and cannot be switched on before removing any electrical covers All electrical connections should be carried out by a qualified and authorised electrician in accordance with local site regulations and also in accordance with the latest issue of the I E E regulations It is strongly recommended that an Earth Leakage Circuit Breaker ELCB is fitted to the incoming electrical supply GENERAL INFORMATION The Home Booster is suitable for a single phase supply voltage of 230V 10 with a 10 amp maximum MCB or fuse The full load current is 2 6 amp for the Home Booster 3 0 and 3 70 amps for the Home Booster 4 5 Electrical Connections Do not attempt to start the pump until the tank has been filled with water and the pump vented The electrical installation should be in accordance with the latest issue of the I E E regulations ELECTRICAL SUPPLY CONNECTION The Home Booster is supplied with a mains cable fitted with a plug with a 5A fuse Alternatively the main cable may be permanently wired directly into a fused switch spur with a 5A fuse A channel is provided beneath the unit for the cable to exit from the rear of the Home Booster please see illustration to the right EE wae k ang n a E pia er H S Commissioning t Do not attempt to start the pump until the t
5. 970 Livingston West Lothian Tel 01506 461666 Fax 01506 461555 Spares Tel 01942 263490 Fax 01942 603462 Email ukspares grundfos com Grundfos Europump Ltd Tel 01942 263628 Fax 01942 602830 REF GB HB OM DBS 04 10 It is the continuing policy of Grundfos to develop and improve our products and we reserve the right to CA amend prices and specification without prior notice GRUNDFOS 7A BE gt THINK gt INNOVATE Page 8
6. Home Booster 3 0 amp 4 5 bar Installation amp Operating Instructions Residential and Light Commercial Package cold water pressure booster set Mw GRUNDFOS 7 BE gt THINK gt INNOVATE Page 1 Declaration of Conformity We GRUNDFOS declare under our sole responsibility that the Home Booster packaged booster sets referenced in these installation instructions to which this declaration relates are in conformity with the Council Directives on the approximation of the laws of the EEC Member States relating to Low Voltage Directive 2006 95 EEC EMC Directive 2004 108 EC By Inspection from the individual componemt manufacturers BS EN 60335 1 2002 Household and similar electrical appliances Safety Part 1 General requirements BS EN 60335 2 41 2003 Household and similar electrical appliances Safety Part 2 41 Particular requirements for pumps BS EN 60730 1 amp A2 2008 Automatic electrical controls for household and similar use Part 1General requirements BS EN 1717 2000 Protection against pollution of portable water in water installations and general requirements of devices to prevent pollution by backflow If further details are required please contact one of the Grundfos offices listed on the back page of these instructions 1st January 2010 Grundfos Manufacturing Ferryboat Lane Castleton Sunderland SR5 3JL Mr Lee Carlin General Manager If further details are required please contact one of
7. NERAL INFORMATION 1 The discharge pipework must be at least the same size as the booster set connection size 22mm as a smaller size may result in reduced pressure and flow at the outlets The installation discharge pipework must be properly supported before being connected to the booster set so that the booster set internal pipe work is not stressed The pipework installation from the booster set should be in accordance with local water authority regulations The electrical installation of the booster set should be in accordance with the latest issue of the E E regulations Check that the cold water storage tank has adequate capacity to meet the water consumption demand NO or BR WATER QUALITY Consideration must be given to maintaining the quality of the water stored within the Home Booster tank and indeed any other stored water arrangement in order to ensure that the water remains fit for use The quality of stored water will deteriorate with time bacterial growth is dependant on the ambient air temperature growth rates will be higher when the conditions are warm The tank should drained and flushed if the water remains unused for an extended period As with any stored water arrangement it is recommended that the storage tank s is cleaned and disinfected annually in order to remove accumulated debris which could provide a habitat for bacterial growth The water within the unit should be sampled periodically to check bact
8. WRAS APPROVAL The wetted components of the Home Booster 3 0 and 4 5 models are WRAS approved for use with potable water Page 2 Quick Guide This is a simplified guide to the installation and commissioning of the Grundfos Home Booster Please refer to the individual sections in this document for precise details for each step There is no need to open the pressure manager and change the DIP switch settings as they are factory set INSTALLATION Install the Home Booster on to a flat and level solid foundation Conect the mains water supply Connect the overflow pipe work Connect the discharge pipe work Connect the electrical supply cable COMMISSIONING Spend some time venting the pump carefully if the pump contains air it will not gerate pressure To vent the pump open the discharge valve and a outlet fitting tap at low level Vent the pump for 30 to 60 seconds using the vent screw on the pump TESTING Switch on the electrical supply The pump will start and the pressure will begin to increase as shown by the indicator lights Once the pressure has built up close the isolating valve within the Home Booster The pump will run on for several tens of seconds and then stop Open the isolating valve within the Homer Booster the pressure will begin to fall if the outlet fitting has been left open The pump will then start again and the pressure increase The pump will continue to run while there is a flow demand Close the
9. ank has been filled with water and the pump primed and vented Pay attention to the direction that any water will take and ensure that the escaping water does not cause damage or enter and subsequently damage the pump motor motor terminal box Before carrying out any of the commissioning procedures on the following pages please ensure that the following connections and checks have been carried out on the booster set The discharge connection is connected to the system pipework The electrical supply cables are correctly connected to the main isolator switch Check that the precharge pressure in the pressure tanks is set to 90 of the cut in pressure Check that the discharge pipework mounted isolating valve is open Check that all isolating valves on the Home Booster set are open Check the booster set pipework connections for leaks To vent the pump undo the vent screw at the bottom of the pump casing and wait until water with no air comes out then re tighten Please see illustration to the right oo a DISCHARGE PRESSURE SETTING The Home Booster discharge cut in pressure is factory set on the PM2 controller The maximum discharge pressure setting should not be set higher than the pressure the pump can achieve otherwise the pump will not stop with a no water demand condition and will result in heating of the liquid in the pump and possible shaft seal damage PM2 CONTROLLER SETTING The DIP switches are factory set For informat
10. ate the warranty 3 Defects arising from incorrect installation water containing debris or harmful chemicals inadequate electrical protection faulty ancillary equipment lightning or other circumstances beyond our control are not covered by the warranty SITE STORAGE It is strongly recommended once the Home Booster has been delivered to site that it is placed immediately into a dust moisture and frost free area which has been secured to prevent unauthorised interference APPLICATIONS The Home Booster has been designed to be compact reliable and simple to install and to provide many years of efficient and reliable service The main applications for the Grundfos Home Booster are Domestic pressure boosting and Light Commercial pressure boosting explosion if there is a danger of ignition by a flame path Grundfos Pumps Ltd do not accept any responsibility for the use of booster sets to pump liquids which could be construed as being hazardous to health either by touch ingestion or inhalation of fumes or gases given off by the liquid Booster sets must not be used in an environment which has been classified as hazardous and could therefore cause an MAXIMUM OPERATING CONDITIONS Liquid temperature range 3 C to 40 C Ambient temperature up to 40 C Relative Humidity up to 95 non condensing Maximum pressures Home Booster 3 0 3 6 bar Home Booster 4 5 5 6 bar Inlet pressure 6 bar Noise level of the Home Booster 65 dB A
11. erial levels generally between two and four times a year is recommended LOCATION The Home Booster must not be installed into roof spaces The small level of vibration associated with any rotating equipment will cause disturbance and considerable water damage could result if a leak occurs Please provide drainage facilities for the unit in case of leakage or loss of water during commissioning and service 1 The Home Booster set should be sited in a dry well ventilated and frost free position where it will not be subjected to extremes of temperature In order to reduce bacteria growth the ambient temperature should ideally be less than 20 C The Home Booster may be located outdoors in a weather frost and rodent proof enclosure with adequate ventilation especially during hot weather 2 All pipe work subject to freezing conditions must be adequately protected 3 Ensure that the Home Booster is positioned to allow access for examination and service 4 Please provide adequate drainage facilities and protection from water damage in the immediate vicinity of the booster set 5 To enable maintenance and service of the unit to be carried out satisfactorily the area should have adequate lighting for this work to be carried out safely 6 The Home Booster should not be installed in an unventilated small space to ensure adequate ventilation for the motor FOUNDATION amp MOUNTING The Home Booster should be mounted on a solid foundation ca
12. ion the settings for the Home Booster 3 0 and 4 5 are given below Switch positions 1 to 4 determine the cut in pressure setting The DIP switches 1 to 4 add additional pressure to the basic cut in pressure of 1 5 bar Switch positions 5 to 8 should not be changed from the Off position If the discharge pressure setting is changed the pressure vessel pre charge pressure must also be adjusted accordingly The pre charge pressure must be set to 90 of the cut in pressure setting Home Booster 3 0 Home Booster 4 5 Cut in pressure 2 5 bar maximum 3 0 bar Cut in pressure 3 5 bar maximum 5 0 bar Vessel precharge pressure 2 25 bar Vessel precharge pressure 3 15 bar OFF ON OFF ON 1 5 BAR 1E 0 5 1 5 BAR 10E 0 5 2E 1 0 2E 1 0 3 C 1 0 START 3B 1 0 START 4 LE 1 0 4E 1 0 5 LE STOP START 1 BAR 5 LE STOP START 1 BAR 6 LE AUTO RESET 6 LE AUTO RESET 7 LE ANTI CYCLING 7 LE ANTI CYCLING 8 LE MAX RUN 30 MIN 8 LE MAX RUN 30 MIN Page 6 VESSEL PRE CHARGE PRESSURE When adjusting the vessel precharge pressure the vessel connection must effectively be open to atmosphere Failure to set the precharge pressure correctly will cause incorrect operation of the Home Booster The pressure vessel precharge must be set to 90 of the cut in pressure setting Example if the cuit in pressure is set to 2 5 bar then the pre charge pressure must be set to 2 5 x 0 9 2 25 bar The vessel precharge pressure should be adjusted before the pump
13. is filled with water If the system has already been filled and the pump run then 1 Switch off the pump 2 Release the water pressure by opening a cold water tap supplied by the Home Booster 3 The precharge pressure can now be checked using a car tyre pressure gauge The Schraeder air valve is located in the top righthand corner of the pump back plate 4 The tap should be left open while checking and adjusting the precharge pressure For small pressure adjustments a foot pump can be used If large amounts of gas are required then dry nitrogen should be used in order to prevent corrosion within the vessel Operation The 200 litre integral water storage tank within Home Booster supplies water to the pump though an isolating valve and strainer A vent screw is provided for venting the pump on the inlet casting The pump is controlled by the Grundfos PM2 controller When power is applied the PM2 will sense the discharge pressure if the pressure is below the set pressure the pump will start The pressure will build up in the system the pump will continue to run until there is a no flow condition The pressure in the system can build up to the closed valve pressure of the pump The PM2 has built in pump protection against dry running The pump will be stopped after 30 seconds and the red alarm indicator illuminated if the pump is running and the pressure remains below the cut in pressure with no flow through the pump The pump will remai
14. n stopped until the reset button is pushed FROST PROTECTION The Home Booster must be protected from freezing conditions If the booster set is being stored during periods of frost the tank pump and pipework should be drained to avoid damage Remove all drain and vent plugs and allow the pump to drain Do not replace the plugs until the booster set is to be used again The pump must be vented primed before it is started again Maintenance The GRUNDFOS Home Booster has been designed for the minimum of maintenance However it should be inspected on a regular basis It is therefore recommended that a GRUNDFOS maintenance contract is taken out to cover maintenance of the set For further details please contact Grundfos Europump Ltd for on 01942 263628 However it is the customer s responsibility to inspect the Home Booster in addition to any maintenance contract to ensure the safety and correct operation of the set during the interim period between service visits Before removing the terminal box cover from the electric motor or before any removal dismantling of the pump motor unit takes place ensure that the electricity supply to the Home Booster has been suitably isolated and cannot be switched on Care should be exercised when carrying out maintenance work as there may be sharp edges exposed which can cut skin INSPECTION The Home Booster should be inspected at regular intervals this must be carried out when the Home Booster has been
15. on the basis that half of this volume is used in the morning and evening The ability of the cold water mains supply should also be taken into account when considiering the size of the cold water storage tank Page 4 SLAVE TANK Where the installation requires additional cold water storage a slave tank can be connected to the Home Booster to provide an additional 180 litres of storage The slave tank should be mounted on the same level as the Home Booster A 2 BSP female connection is provided on the rear of the Home Booster and slave tank for inter connection of the tanks When the slave tank is used the mains water supply should be connected to the slave tank to ensure a good exchange of the water within the tanks Where floor space is limited the slave tank can be located above the home booster on a platform adequate clearance must be left above the Home Booster for access to the cover screws In this arrangement the mains fills the upper slave tank and the slave tank then fills the Home Booster by a 15mm pipe from the 2 BSP connection to the mains water connection on the Home Booster In this arrangement the capacity of the slave tank is not available immediately as it must fill the Home Booster tank first This arrangement can be of benefit where the mains water supply is poor at refilling the storage tank Ensure that the support base is able to support the combined weight of the Home Booster and slave tank BYPASS In the event of a
16. outlet fitting the pump will stop after a short time If the pump does not stop then there is a flow demand which is causing the pump to continue operating If the pump continues to run even though the outlet fitting is closed then close the isolating valve within the Homer Booster the pump should stop again Investigate the cause of the flow demand for example filling toilet cistens etc Page 3 Installation Do not attempt to start the pump until the storage tank has been filled with water and the pump primed and vented All electrical connections should be carried out by a qualified and authorised electrician in accordance with the latest issue of the I E E regulations The Home Booster must be earthed It is strongly recommended that an Earth Leakage Circuit Breaker ELCB is fitted on the incoming electrical supply Do not remove pump motor terminal box motor fan or PM2 covers unless electrical cables or any other electrical protective covering without first ensuring that the electrical supply is suitably isolated and cannot be switched on Do not attempt to supply electricity to the Home Booster and run the pump without ensuring that all electrical fittings cables and enclosures are intact and suitably electrically isolated from human touch during operation Do not attempt to supply electricity to the Home Booster without first ensuring that the motor fan covers are correctly fitted and held securely inplace gt gt gt GE
17. pable of supporting the weight of the unit The supporting surface must be flat and level to avoid distortion of the tank The recommended support arrangement is a concrete plinth or floor Grundfos does not recommend installation of the Home Booster onto a wooden substrate Due to possible noise and vibration transmission into the structure of the building The ideal location is in a ground floor utility room or a garage with concete flooring STORAGE TANK The Home Booster has an integral cold water storage tank having a type AB Air Gap and must be installed in accordance with the Water Byelaws Regulations borne in mind that the quality of stored water will deteriorate with time particularly if the ambient air temperature is high Therefore if the unit is to be left for an extended period of time it is recommended to completely drain the storage tank before it is left The quality of the water within the storage tank is potable and is therefore suitable for drinking However it should be Check that the tank cold water storage tank has adequate capacity to meet the demand of the users within the building As a general rule allow 125 litres storage per person Alternatively the storage can be based on the number of bedrooms in which case multiply 125 litres by the number of bedrooms plus one A person will use approximately 150 litres per day for standard fittings and use Where space is restricted the amount of storage can be reduced
18. the Grundfos offices listed on the back page of these instructions General Data DELIVERY AND HANDLING The Home Booster set is supplied from the factory mounted on a wooden pallet suitable for handling by forklift equipment A N The weight and size of the Home Booster may require the use of proprietary lifting equipment in order to be handled safely During installation ensure the recommended procedures for lifting pallet mounted equipment are observed INSPECTION On delivery the Home Booster should be unpacked and inspected any damage must be reported to the supplier within seven days in writing It is important that these installation and operating instructions are studied carefully before any installation takes place The installation and operation should also be in accordance with local regulations and accepted codes of practice WARRANTY 1 The Grundfos warranty covers all defects within the Home Booster originating from faulty workmanship and or materials for a period of two years from the date of installation or thirty months from the date of despatch from the factory whichever is the shorter The warranty covers the replacement of any faulty parts and our labour cost to replace the faulty parts It does not cover the cost of removing returning and refitting the booster set or any secondary losses arising from the failure 2 Under no circumstances should faulty equipment be dismantled Failure to comply with this instruction could invalid
Download Pdf Manuals
Related Search