Worcester_AirToAir_Technical
Contents
1. The Greensource air to air heat pump from Worcester Technical and specification information AAIORCESTER Bosch Group i ie SS E E SS E N EES E a E ee eeoa ea i TOO me FOE ee E a E Ear T A O i m ii a as Worcester and you Making a difference Invented for life Working together for many years heating professionals and Worcester have been making a real difference in hundreds of thousands of homes across the UK We are recognised as a market leader in high efficiency condensing boiler technology and are also committed to providing renewable energy solutions As part of the Bosch Group our products are designed and manufactured to provide the high levels of quality and reliability which are synonymous with the Bosch name throughout the world We re a leading British company employing approximately 2 000 people at our headquarters and manufacturing plants in Worcester and at Clay Cross in Derbyshire including a nationwide network of over 300 Service Engineers and over 80 technically trained Field Sales Managers As part of Europe s largest supplier of heating products Worcester Bosch Group has the UK based resources and support capability to offer you the value added solutions we feel you deserve At Worcester we recognise the vital role you our customer has in the specification and installation of A rated energy efficient2. 24 hour ON OFF programmable timer 1 hour OFF timer Awakening function Auto sleep function Reliable and efficient operation The start or stop operation hour and minute can be set at same time When the ONE HOUR OFF TIMER is set the unit will automatically turn off after one hour When the ON timer is set the unit will turn on prior to the set time to allow the room to reach the desired temperature by the programmed time When the OFF timer is set the temperature setting is automatically adjusted to prevent the room from becoming excessively hot or cold while you sleep gt 2 a u h D D er in These modes do not give the best efficiency and savings it is recommended either cooling or heating mode is used for optimum performance The Greensource air to air heat pump The Greensource air to air heat pump outdoor unit inside story indoor unit inside story Key to components Key to components 9 Horizontal adjustment louvre behind vertical louvre 1 Inlet air rear 1 Inlet air at top of unit 10 Outlet air 2 Refrigerant tube and interconnecting cord 2 Open panel for access to filters 11 Remote control 3 Outlet air 3 Air filter 12 Plasmacluster lamp blue 4 Drainage holes 4 Air purifying filter 13 Operation lamp green 5 AUX button 14 Timer lamp orange 6 IR receiver window 15 Full power lamp green 7 Power supply cord at rear of unit 16
3. Consider the best way of connecting the refrigerant pipes between the indoor and outdoor units Going straight through the wall is the best option as it avoids running pipework inside the property Make sure there is sufficient space around the unit and that the air filters can be easily removed for cleaning and replacement Locate the unit and the remote control at least 1 metre from a TV set radio or similar electrical appliance to avoid possible interference with the operation of the control unit Avoid locating the remote control in a room which has electronic simultaneous start or rapid start fluorescent lighting which may affect its operation Wiring of the units must be in line with the latest edition of the IEE Wiring Regulations currently the 17th edition in force since 1st July 2008 also known as BS 7671 2008 Installation clearances Provide as much installation space as possible for efficient operation of the units Min somm Indoor unit clearances mm Minimum distance above 50 Minimum distance to side 50 Minimum distance below 70 Indoor unit casing dimensions Pipework connections Piping length between the outdoor and indoor units should be 1m or more in order to decrease vibration propagated from the outdoor unit The unit comes pre charged with enough refrigerant for a pipe length of
4. The Greensource air to air heat pump is controlled by a remote control unit which has a multi function menu SE oy VAa a IG 1 PM AS ASi A it VA A oo 64 101 PM Ott 1 Transmitter 13 Timer advance button 2 Display LCD 14 Timer reverse button 3 Plasmacluster button 15 Self clean button 4 Display button no function dries unit to prevent mould 5 6 T growth n off button 16 Timer set cancel button Thermostat buttons 1 C up or down on each press 17 10 C button night set back 7 Full power button 18 Swing button horizontal direction for 1 hour boost 19 Clock button 8 Progressive airflow button 20 Fan speed button Coanda effect Auto E 9 Mode button Soft H Low G Auto A High F Heating B Ig Cooling C 21 Swing button vertical direction De humidifier D 22 Indicates battery compartment is below this mark TOHE 10 Timer on button 11 Timer off button 12 One hour off timer button Working temperature Minimum working temperatures The heat pump is designed to operate efficiently in heating mode at temperatures down to 20 C Greensource air to air components list 1 x outdoor unit 1 x indoor unit and wall mounting plate 2 x air filters 1 x remote control including 4 AAA batteries 1 x user guide 1 x installation manual and guarantee card Part No 7 716 150 011 Electrical isolation Note Both the indoor and outdoor units require a means of electrical i
5. Approved Document L 2006 Conservation of Fuel and Power 2 Zero emissions in relation to Building Regulations issues i e zero emissions from heating hot water ventilation and lighting 3 A completely zero carbon home i e zero net emissions of carbon dioxide CO2 from all energy use in the home All points are rounded to one decimal place 21 Frequently asked questions Where can a Greensource air to air heat pump be used Due to its compact size and ease of installation 1 2 day is usually sufficient a Greensource air to air heat pump is suitable for installation for a wide range of domestic and commercial properties The outdoor unit requires very little space if floor standing and its suitability for wall mounting increases the siting options still further What refrigerant is used in Greensource air to air heat pumps Greensource air to air heat pumps use R410A It is an approved refrigerant featuring zero Ozone Depleting Potential It also has a low Global Warming Potential which is more environmentally friendly What is the lower limit operating temperature The lower limit operating temperature of the outdoor Greensource air to air heat pumps is 20 C What are the key maintenance requirements for a Greensource air to air heat pump An air to air heat pump does not require annual servicing but it is advisable to follow a few simple maintenance procedures The outdoor unit should be checked r
6. energy uk bosch com Opening Times Monday Friday 7 00am 8 00pm Saturday 8 30am 4 00pm T E p L N s DE j5 a 7 Ai r a ie 4 id i The very best training programmes from Worcester Worcester has always placed great emphasis on technical support and training for installers and service engineers Today this need is greater than ever The differences between a combi conventional and system boiler are substantial and the technology of each continues to advance at a rapid pace To ensure the highest levels of competence and expertise in the installation of all Worcester products the company runs intensive training courses for installers commissioning engineers and engineers involved with servicing and fault finding Courses available Our training facilities offer a number of courses suitable for the installer and commissioning engineers and a more in depth course for the servicing and fault finding engineers Training Centres throughout the UK Worcester s network of regional training centres are strategically located across the country and include the A Rated Training Academy at the company s headquarters This facility has recently been extended to include an oil fired appliance workshop and a renewable energies workshop in addition to the extensive gas fired training facilities In addition to these outstanding facilities there are centres at Clay Cross in Derbyshire and Bangor in Nort
7. in conjunction with the installation manual supplied with the unit The electrical connections must be made by a qualified electrician using the latest IEE Wiring Regulations and the installation manual Only refrigerant grade copper pipe suitable for refrigerant R410A should be used BS EN 12735 1 2001 copper and copper alloys Seamless round copper tubes for air conditioning and refrigeration Tubes for piping systems 18 System care An air to air heat pump does not require annual servicing but it is advisable to follow a few simple maintenance procedures The outdoor unit should be checked regularly for leaves and debris especially on the evaporation fins and water tray The outdoor unit should be cleaned using a watering can with a rose attached If the unit needs to be cleaned a car wash and polish can be used The indoor unit should be cleaned in accordance with the installation and user manual For optimum performance the air filters should be removed and vacuumed each week Air filters should be removed and vacuumed each week Heat pump sizing Although the sizing of the heat pump can only be accurately carried out by taking all factors into consideration this section offers some explanation of the principles behind the sizing of heat pump according to the energy requirement of the property The following examples are for demonstration purposes only A heat pump is designed to provide supplementary hea
8. up to 10m If the piping length exceeds 10m 20g of refrigerant per 1m should be added by a qualified refrigeration engineer Only refrigerant grade copper pipe suitable for refrigerant R410A should be used When the outdoor unit is placed at a higher level than the indoor units a trap should be provided near the hose s lead in port The trap is required to help store lubrication oil for the compressor operation when the units are at different heights Indoor unit Outdoor unit Piping length Max piping length A m Max level difference B m L 15 E 7 15 Installing a Greensource air to air heat pump a step by step guide 16 To begin it is important to find a suitable site to mount the Greensource outdoor inverter unit If choosing a floor siting situation the system requires a stable base and should be sheltered from rain water and strong winds not be exposed to muddy water along a road for example or in a position where the unit can be tampered with It is also worth keeping in mind that the unit s location should be far enough away that outgoing air and operating noise won t annoy the homeowner or the neighbours Fig 1 A good tip to ensure a successful installation is to complete a log throughout the commissioning process this will help remind you of all the steps that need to be completed Once happy with the chosen site position the outdoor unit according to
9. 92 x 205 w xh xd mm outdoor unit 780 x 540 x 265 Weight kg indoor unit 9 outdoor unit 39 1 level cooling dB A Outdoor sound pressure level cooling dB A KIRA AA L 20g refrigerant per m mao 00 at cry fanfaut hlneow au Operational features see page 11 for details 28 Dust filter O Anti bacterial air purifying filter o ah E e Digitally controlled rotary E Connection liquid side 1 4 nch gas side se i8 is 10 CoP calculated using EN 14511 Only refrigeration pipe must be used for connection Coanda airflow Auto sleep function Awakening function Auto defrost The Greensource air to air heat pump Principles of operation What is an air to air heat pump An air to air heat pump is an all in one heating and cooling system that s designed to provide year round comfort Outside air even on cold days contains latent heat which can be converted to provide environmentally friendly low cost heating for a wide range of domestic and commercial properties Using a similar principle to the refrigerator but in reverse the Greensource air to air heat pump s outdoor unit draws in and warms the outside air before transferring it into the property where it is circulated by an indoor fan unit It is an extremely efficient process which could produce up to 5 times more heat than the electrical energy it uses and as an added benefit this operating proc
10. Residual rate 99 eliminated after 38 minutes 20 30 40 Time elapsed minutes Without Plasmacluster lon operation natural attenuation With Plasmacluster lon operation Surviving airborne bacteria Residual rate 100 4 Deactivates 99 9 Without Plasmacluster lon operation Es With Plasmacluster lon operation Suppression of airborne allergens The effectiveness of positive and negative ions in destroying airborne viruses allergens and mould has been tested and verified by numerous research bodies and institutions around the world Positive and negative Plasmacluster ions collect on the surface of the allergen where they react and become powerful hydroxyl radicals OH These radicals take out the allergen s hydrogen atoms destroying the proteins and preventing water formation Plasmacluster lon technology is also effective in reducing odours around the home as illustrated in the table below Initial value Strength of odour Strength of odour key 0 No odour 3 Easily detectable odour 4 Powerful odour 1 Barely detectable odour 2 Recognisable odour 5 Extremely powerful odour One rank lower is equivalent to a 90 reduction in odour Deodourising performance against embedded cigarette odours For the best air quality we recommend that the Plasmacluster Plasmacluster lon button is lon button pressed and the blue light is visible Indoor unit display Coanda air
11. Self clean lamp green 8 Vertical adjustment louvre 12 13 Installing a Greensource air to air heat pump Siting of the outdoor unit The outdoor unit can be either wall mounted or floor standing If floor standing it should be placed on a flat solid base e g concrete slabs or a suitable stand A minimum clearance of 200mm is required around the unit to ensure that there is adequate airflow ideally 2 million litres per hour for the heat pump to operate at maximum performance The outdoor connecting pipes should be suitably insulated with Class O insulation to prevent freezing The heat pump can produce up to 20 litres of non acidic condensation per day depending on external temperatures and this should be diverted to a mains drain or a soak away In order to prevent freezing the condensate pipe must be insulated with Class O insulation and the drainage pipe must slope towards a drain General siting advice e If floor standing the unit should be on a stable base or stand Rubber matting can be used directly under the heat pump to act as a sound proofing material Provide sufficient space around the unit for effective operation and ease of access for maintenance and cleaning The unit should be sited where it will be sheltered from strong winds and rain Also avoid locations where muddy water might be a problem alongside a road for example or where it could be tampered with Keep the air outlet free
12. The EER is related to the CoP by converting the cooling capacity from watt W to Btu hr The higher the EER the more efficient the heat pump is Plasmacluster lon technology i Plasmacluster lon technology is switched on eee a by pressing the button shown left The Plasmaclister Greensource heat pump s unique active air lon button purification system emulates nature s own air purification process It emits positive and negative Plasmacluster ions positive hydrogen ions and negative oxygen ions are surrounded by multiple water molecules to form a cluster hence the description cluster ions that spread throughout the room to purify the air by attacking harmful airborne substances such as bacteria viruses and allergens including cigarette smoke These ions are the same as those found in nature they are completely safe Active air purification creates positive and negative ions which breakdown air pollutants The following tables show how effective Plasmacluster lon technology can be in suppressing mould viruses and allergens although this can vary depending upon the room layout in which the unit is operating This has been tested and verified by a number of worldwide universities and test institutes 80 Residual Removal rate 40 20 90 120 Minutes Without Plasmacluster lon operation natural attenuation With Plasmacluster lon operation Suppression of airborne mould 80 60
13. ace by gently pulling the bottom of the unit Connect the refrigerant and drain hose pipes Flare the end of the refrigerant pipe in order to connect Lay the drain hose vertically to ensure a smooth drain flow with no traps Tighten the pipes by hand for the first 3 4 turns and then use a wrench or torque spanner Wind coating tape around the refrigerant pipes together with the drain hose and the electrical cable Fig 6 Insulate the refrigerant pipes and drain hose The thermal insulation should cover both the gas and liquid pipes using Class O insulation 6mm or thicker Connect the refrigerant pipes and the electrical cable to the outdoor unit Prepare the end of the electrical cable and remove the control box cover Remove the cable holder and connect the cable ensuring the terminal connections are as specified Take care to dress the cable so that the control box cover the cord holder and cable holder are not loose to avoid overheating fire or electric shock Fix the electrical cable sheath with the cable holder and the screw Place the control box cover back in the reverse order Fig 7 It is a legal requirement for the connection of the refrigerant circuit to be carried out by a suitably qualified refrigeration engineer The relevant Health and Safety procedures must be adhered to during installation 10 Prepare a dedicated power supply circuit The appliance should be installed in accordance with nati
14. appliances in homes across the UK We will continue to invest in our products people facilities and added value services such as training to give you the support you require in providing a total solution for your customers comfort Richard Soper Managing Director Worcester Bosch Group headquarters Contents The Greensource air to air heat pump Technical data The inside story Guide to the installation of a Greensource air to air heat pump Installation requirements FAQs Installation accessories After sales Worcester training Worcester Bosch Group Page 4 11 6 12713 14 17 18 19 22 23 25 2627 The Greensource air to air heat pump Advanced renewable energy technology from Worcester that s helping to point the way to a greener and more sustainable future As part of the Bosch group Worcester is committed to environmental protection Product development is prioritised in the interests of the safety of people the economical use of resources and environmental sustainability In just a few short years the nature and technology of Britain s domestic heating and hot water systems industry have changed dramatically Faced with the harsh reality of all the facts such change has been not only inevitable but crucial Recent statistics revealed that approximately 25 of the UK s carbon dioxide emissions were produced by home energy consumption 75 of this is for the provision of heating and h
15. at Pumps Air to Air Covering Installation Commissioning and System Design Duration 1 day 27 ca amp ee The Council for Registered Gas Installers Useful numbers Sales Tel 01905 752640 Fax 01905 456445 Renewables Phone Team Tel 01905 752780 Email renewable energy uk bosch com Spares Parts Tel 01905 752576 Fax 01905 754620 Technical Pre amp Post Sales Tel 08705 266241 Fax 01905 752741 www worceste INDUSTRIAL ASSOCIATE Member Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd This leaflet is accurate at the date of printing but may be superseded and should be are changed in the interest of continued improvement The statutory rights of the consumer are not affected Part No 8 716 115 438 A 09 08 A ra T Mal Ta Service Tel 08457 256206 Fax 01905 757536 Livingston Scotland Fax 01506 441687 Training Tel 01905 752526 Fax 01905 752535 Literature Line Tel 01905 752556 or download instantly from our website r bosch co uk In partnership with oi energy saving trust The mark of quality for domestic heating HEATING amp HOTWATER INDUSTRY COUNCIL disregarded if specification and or appearances BBT1846 Ca AANIORCESTER Bosch Group Worcester Bosch Group Cotswold Way Warndon Worcester WR4 9SW Tel 01905 754624 Fax 01905 754619
16. customers to the Worcester Contact Centre Tel 08457 256 206 Fax 01905 757 536 Opening Times Monday Friday 7 00am 10 00pm Saturday 8 00am 5 00pm Sunday 9 00am 12 noon All the technical advice you need Spares Genuine replacement parts for all Worcester products are readily available from stock on a next day delivery basis For more information please call your local stockist You can find a spares stockist on our website Customer Technical Support The Worcester Technical Helpline is a dedicated phone line committed to providing a comprehensive service to complement the brand name and quality of our products Our experienced team of technical experts provides the answers to queries of a technical nature across the entire Worcester range Worcester also has a pre sales department which provides assistance in selecting a product system to suit a particular application along with full guidance on installation As well as this we will also assist in finding a recommended installer For more information please contact the Technical Helpline or alternatively visit our website where literature can be downloaded www worcester bosch co uk Worcester System Design Service Worcester is pleased to offer a full design service to specify the air to water heat pump system according to individual requirements Technical Tel 08705 266 241 Fax 01905 752 741 Renewables Helpline Tel 01905 752780 Email renewable
17. e for maximum performance The Greensource air to air heat pump is A rated for performance and has an energy efficiency rating EER of 3 5 Indoor Maximum temperature frequency and Even temperature high output control Set temperature With inverter technology Without inverter technology Inverter technology gives greater comfort and efficiency In order to obtain the best CoP performance and efficiency we recommend you use either heating or cooling mode Coefficient of Performance The performance and efficiency of an air source heat pump system is commonly measured by the Coefficient of Performance CoP The CoP is a simple calculation which works out how much energy the heat pump is able to extract from the energy source compared to the amount of electrical energy used by the heat pump Heat output of system useful heat CoP 7 Electrical input from compressor and fan motors E g 6kW heat pum CoP of 5 seo 1 2kW of electrical input QO O O O Oo ae Loto G 3 oO L 7 2 Outdoor temperature C Compressor output EE 00 75 EE 50 CoPs at different temperatures Heating output kW 7 2 7 Outdoor temperature C Compressor output EE i00 75 EE 50 Emitted heating output Energy Efficiency Rating EER The EER is the efficiency rating of the unit within a particular range of external and internal temperatures
18. edge of our Greensource air to air heat pump prior to installing It is a legal requirement for the connection of the refrigerant circuit to be carried out by a suitably qualified refrigeration engineer Please see page 26 for more information on training courses Greensource air to air _heat pump internal unit Greensource air to air heat pump external unit INDOOR UNIT CIRCULATES WARM AIR OUTDOOR UNIT Heat is distributed evenly through the property The Greensource air to air heat pump at a glance Greensource air to air heat pump outdoor unit Greensource air to air heat pump outdoor unit Dimensions w x h x d mm 780 x 540 x 265 Weight ke we Airflow m3 min Sound level cooling dB A System refrigerant R410A kg Digitally controlled rotary Digitally controlled hermetically sealed compressor 220 240 Single phase voltage V Maximum operating current Amps Kit part number 7 716 150 011 Output data applies at 7 C outdoors wet bulb 20 C indoor temperature Greensource air to air heat pump indoor unit Greensource air to air heat pump indoor unit Dimensions w x h x d mm 860 x 292 x 205 Weight ke a 0 9 6 0 Min max emitted heat output kW Min max emitted cooling effect kW 0 9 4 0 Airflow m3 min cooling 6 9 10 6 low fan speed cooling Outdoor rating Maximum operating current Amps Single phase voltage V Greensource air to air heat pump Features Energy e
19. egularly for leaves and debris especially on the evaporation fins and water tray The outdoor unit should be cleaned using a watering can with a rose attached If the unit needs to be cleaned a car wash and polish can be used For optimum performance the air filters in the indoor unit should be removed and vacuumed each week How should the unit be sited to ensure the airflow and access it needs What s important is to ensure there is sufficient space for airflow into the unit and enough clearance at the front of the heat pump to stop cold air re circulation You ll also need to ensure that there is adequate space for access for service and maintenance You should try to ensure that the unit is sheltered from high winds and rain as this will improve the unit s efficiency level by lowering the fan power requirement The minimum clearances required are shown on page 14 22 What size of cable should be used to connect the air to air heat pump to the mains electricity supply Consideration should be given to the size of the unit the length of the cable run and the type of cable being used Only have installation work carried out by qualified technicians who will be able to calculate the correct cable size for each installation Wiring of the units must be in line with the latest edition of the IEE Wiring Regulations currently the 17th edition in force since 1st July 2008 also known as BS 7671 2008 Can the external air to air hea
20. ess can be reversed in the warmer months to provide cooling air Outdoor unit Typical temperatures in heating mode Outdoor unit Typical temperatures in cooling mode The Greensource air to air heat pump also incorporates Plasmacluster lon technology a unique active air purification feature which neutralises airborne bacteria viruses and allergens and is particularly beneficial to asthma and hay fever sufferers This technology is also effective against odours such as tobacco smoke Due to the compact size of the outdoor unit it requires only a suitable outside wall or solid base e g a paved area a Greensource air to air heat pump is an attractive option as a supplementary heating source for a wide range of applications These include smaller properties such as apartments conservatories holiday homes offices factory units and workshops etc In some circumstances an air to air heat pump can also be used as the primary heating source A Greensource air to air heat pump comprises two main components an outdoor inverter unit and an indoor unit and is controlled using a multi function remote control High efficiency in all temperature ranges The outdoor unit uses the latest inverter technology which modulates the compressor speed according to demand to provide higher efficiency and lower running costs combined with lower noise levels and a longer lifespan It incorporates an electronic expansion valv
21. fficient CoP of up to 5 Features Can be used to provide cooling air in the summer Active lon technology air purification ideal for allergy sufferers A Rated for efficiency High efficiency in all temperature ranges Could heat an area up to 100m Auto defrost function Compact design requiring only a suitable outside wall Proven inverter technology that saves you money Suitable for a wide variety of property types including Optimum start feature for added comfort apartments conservatories and small industrial units Uses non ozone depleting refrigerant R410A Quiet operation 2 year parts and labour warranty for peace of mind Easy to install and maintain Twin rotary compressor reduces noise and vibration Evaporation has larger enhanced surface area than normal AC units Modulating fan saves up to 30 40 compared with fixed speed fan Inverter controlled unit Electronic expansion valve Digitally controlled compressor saves up to 15 compared to fixed speed unit Coefficient of Performance the basis of heat pump efficiency see page 8 Terms and conditions apply Note It is a legal requirement for the connection of the refrigerant circuit to be carried out by a suitably qualified refrigeration engineer Indoor unit amp remote control unit Technical data Greensource air to air heat pump Capacity heating kW 6 Inverter capacity range kW 900 6 000 Dimensions indoor unit 860 x 2
22. flow system for heating and cooling The heat flows down out along the wall towards the floor and gives a warm and agreeable floor Maximum floor heating Warm air distribution in heating mode to prevent draughts Progressive air flow spreads the chilled air upwards which gives more balanced and pleasant cooling without draughts Without progressive air flow Cool air distribution in cooling mode The Greensource indoor unit can be set to provide progressive airflow in both heating Coanda airflow and cooling modes by pressing the button system button shown left When in the heating mode the airflow can be directed down the wall and across the floor from where it rises to provide more evenly distributed heat In cooling mode the air can be directed upwards and across the ceiling from where it falls evenly without causing a draught The Greensource air to air heat pump also has a special 10 C maintenance heating function which is particularly useful for keeping a property protected from extremely cold weather when it is left empty for long periods e g holiday homes or when low heating costs are required e g for garages and workshops This function is activated with a single press on the remote control An optimum start facility is available which automatically activates the heat pump prior to the set start time to ensure that the desired temperature is reached by the programmed time Control unit and symbols
23. gt ii Worcester training courses Worcester training courses Greenstar CDi and Highflow CDi gas fired condensing combi boilers Models covered Greenstar 27 30 37 42CDi Greenstar Highflow 440 550CDi Greenstar i Junior and Si gas fired condensing combi boilers Models covered Greenstar 24 28i Junior Greenstar 25 30Si Duration 1 day Greenstar system and regular gas fired condensing boilers Greenstar 12 15 18 24Ri Greenstar 30 40CDi Conventional Greenstar FS 30 42CDi Regular Greenstar 30CDi System Greenstar 12 24i System Duration 1 day Greenstar Camray high efficiency condensing oil fired boilers Models covered Models covered Greenstar Camray kitchen Greenstar Camray kitchen System Greenstar Camray Utility Greenstar Camray Utility System Greenstar Camray External Duration 1 day Greenstar Danesmoor amp Heatslave high efficiency condensing oil fired boilers Models covered Greenstar Danesmoor Greenstar Utility Greenstar Heatslave Greenstar Heatslave External Duration 1 day OFTEC Training OFTEC 101 Domestic Light Commercial Pressure Jet Commissioning and Servicing Duration 3 day course 2 days training plus 1 days assessment OFTEC 105e Covering Domestic Light Commercial Pressure Jet Boiler Installation Duration 1 day assessment OFTEC 101 amp 105e Covering Domestic Light Commercial Pressure Jet Installation Commissioning and Servicing Duration 3 day course 2 days train
24. hern Ireland Further A Rated Academies are open at West Thurrock in Essex and Bradford in West Yorkshire as well as additional training opportunities available throughout the UK Please phone 01905 752526 for more information about a course near you Each course is run by specialist trainers and is superbly equipped to deliver a combination of classroom theory and practical hands on experience that s second to none 26 College linked Learning A number of the UK s leading proactive technical colleges are equipped with Worcester products and offer excellent practical tuition on a more local level Distance Learning Web Based Learning Worcester has produced a selection of Distance Learning CD ROMs DVDs which are packed with information Call 01905 752556 for your copies or visit www worcester bosch co uk for information on Web Based Learning Mobile training Our 7 5 tonne mobile oil training vehicle with working boilers is now available throughout the country for hands on oil training and OFTEC courses Courses on Air to Water and Air to Air are now available please check with your local Technical Sales Manager and the Worcester website www worcester bosch co uk Phone 01905 752526 to book your place t oie Get on course for a more profitable Kiure now Call now for mo e jl fort 01905 752526 F N M ae gt tt le ae seri re de vr D I EN Ife m y t s z
25. ics for 2004 which show that 73 of domestic CO2 emissions are produced by the provision of heating and hot water oe Average UK household CO emissions breakdown lights amp Source DEFRA appliances 22 Worcester Greensource air to air heat pumps comply with the requirements for the Government s Code for Sustainable Homes a major initiative which is designed to reduce domestic CO emissions The purpose of the Code is e to act as new single national standard for key elements of design and construction of sustainable homes e an opportunity to build future housing stock that meets Britain s needs and protects the environment e to act as a means of ensuring continuous improvement greater innovation and exemplary achievement in sustainable home building e to provide a standard which builds on the successful EcoHomes System devised by the BRE Building Research Establishment The benefits of the Code For the environment the benefits include e reduced carbon dioxide emissions a major cause of climate change e better adaptation to climate change through measures such as improved water efficiency and management household recycling and the use of less polluting materials 20 For new home builders the benefits include e satisfying the growing demand for new homes which are both more sustainable and more economical to run e demonstrating the degree of this sustainability through the star rating e estab
26. ing plus 1 days assessment comprising 2 theory and 1 practical OFTEC 600a Covering Oil Tank Installation and Associated Controls Duration 1 day assessment course OFTEC 101 105e 600e Domestic Light Commercial Pressure Jet Boiler Installation Commissioning Servicing and Oil Tank Installation and Associated Controls Duration 4 days 2 days training and 2 days assessment Mobile OFTEC All above covered throughout the country on the mobile training vehicle as well as in all our centres Certificate in Energy Efficiency for Domestic Heating Course Key elements of energy efficient heating and hot water systems and products compliance with the latest Building Regulations how condensing boilers work and how they differ to non condensing products Duration 1 day Unvented Cylinder Course All G3 Regulations for the Installation Servicing and Commissioning of Unvented Cylinders The course includes recognised accreditation by Logic Certification Duration 1 day Greenskies Solar System Installation Commissioning and Servicing The course includes recognised accreditation by Logic Certification for eligibility of low carbon buildings programme funding eee Duration 2 days Greenstore Ground Source Heat Pumps Covering Installation Commissioning and System Design Duration 2 days Greensource Heat Pumps Air to Water Covering Installation Commissioning and System Design Duration 2 days Greensource He
27. lishing a competitive edge over lower rated new homes e finding innovative solutions to exceeding the Code s minimum requirements For social housing providers the benefits include e lower running costs through greater energy and water efficiency e enhanced comfort and increased tenant satisfaction so fewer complaints e continuing to meet or exceed the standards for funding For tenants and homeowners the benefits include e reducing their own environmental footprint e enjoying lower running costs through greater energy and water efficiency than homes not built to Code standards e benefits such as more natural light and other features and standards which enhance feelings of well being which result in a more pleasant healthier living environment How the Code works The Code measures a home s sustainability against these 9 design categories rating the whole home as a complete package e energy and CO3 e water e materials e surface water run off e waste e pollution e health and well being e management e ecology e The Code s rating system uses stars to indicate a home s overall sustainability performance across the 9 design categories e A home can achieve a rating of from 1 to 6 stars e The table below shows the 9 design categories and the 1 being the lowest entry level rating but above the level degree of flexibility offered by each Flexibility of the Code of the building regulation
28. m 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 EN 255 replaced by BS EN 14511 BS EN 378 Refrigerating systems and heat pumps Safety and environmental requirements 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 and any other relevant regulations in force at this time The manufacturer s notes must not be taken in any way as overriding statutory regulations Government grants From time to time the Government provides grants for the installation of renewable technology products To find out more visit www dti gov uk For details of grants available under the Government s Low Carbon Buildings Programme visit www lowcarbonbuildings org uk 19 The Code for Sustainable Homes Why we need a Code for Sustainable Homes Carbon emissions from domestic properties have to be reduced a fact highlighted by statist
29. of any obstacles or this could affect the performance and increase noise levels e Avoid placing the unit where hot airflow or noise could be nuisance to the property owner or neighbours e The condensate water pipe must always be installed and suitably insulated 14 Installation clearances Provide as much installation space as possible for efficient air movement The following diagram shows the minimum requirements TIL LLLLL LL A Min ete patra 9 left hand side SN Min 200mm in front 100mm from base Minimum distance at rear E 50 E Minimum distance to the right 200 Minimum distance to the left 100 Minimum distance in front installation 200 Minimum distance in front servicing j 600 Minimum distance above base 100 l Outdoor unit casing dimensions Measurements in mm Siting of the indoor unit The most important factor when selecting the position for the indoor unit is to optimise the heat dispersion It is important to keep the air outlet clear of any obstacle which might prevent air flowing smoothly in the entire room General siting advice e Avoid placing the unit on a wall next to a bedroom e Avoid placing the unit in any room where the airflow or vibration could be a nuisance
30. onal wiring regulations Provide an earth leakage circuit breaker and fit a disconnection switch having a contact separation of at least 3mm in all poles to the electricity power line Fig 8 11 Complete the installation by doing a test run Open the panel to view the control section then start the operation with the remote control and press AUX for five seconds or more You should hear a beep sound and the operation lamp will start to flash indicating that the system is in the cooling test run mode To test the heating mode simply select heating mode on the remote control At Worcester we provide thorough training and a detailed commissioning check list which ensures that everything is checked during the commissioning process All Worcester trained installers give every customer a detailed handover explaining how the air source heat pump works This ensures the customer is happy with their air source heat pump and understands fully how to operate it 17 Installation requirements System design requirements The siting of the indoor unit should be mounted in a way that allows for free air movement doors and walls restrict air movement if used for larger applications Outdoor unit Typical temperatures in heating mode Outdoor unit Typical temperatures in cooling mode Connecting the outdoor and indoor units The refrigerant circuit must be connected by a suitably qualified refrigeration engineer
31. ot water In April 2005 the Building Regulations effectively decreed that high efficiency low emissions condensing boilers were a significant first step in the massive challenges presented by global warming and climate change Since then words and expressions such as renewable energy sustainable technology and carbon footprint have become part of everyday conversation and have been fuelled by extreme weather and stark television images of melting polar ice sheets Hence the many reasons why Worcester Bosch Group has taken the lead in sourcing and developing heating and hot water solutions which reduce the impact on the environment not only for today but well into the future Principles of operation An air to air heat pump is an all in one heating and cooling system that is designed to provide year round comfort A Worcester Greensource air to air heat pump offers additional advantages such as relatively simple and cost effective installation suitability for a wide variety of property types and sizes and at a time when fuel costs are rising the chance to help your customers reduce their heating bills The appliance is dispatched complete with comprehensive installation maintenance and user instructions Please note that this leaflet is a guide to installation only For full details please refer to the installation and commissioning instructions We recommend that you attend our training academy to gain the product knowl
32. rature Auto fan speed and 3 step HIGH LOW SOFT manual fan speed are available When power failure occurs and after power recovery unit will automatically restart in same setting which was active before power failure During AUTO mode operation the mode will automatically switch between HEAT and COOL mode to maintain a comfortable room temperature Cooling operation is available during winter season down to 10 C outside temperature Plasmacluster lon Anti bacterial air purifying filter Plasmacluster ion generator inside indoor unit releases positive and negative Plasmacluster ions into room and reduces some airborne mould and viruses Replaceable filter Anti mould detachable and washable air filter Easily removed and cleaned by vacuuming i 5 a D 3 3 Coanda airflow system 4 way auto air swing Auto swing louvre Provides much wider airflows to deliver Plasmacluster ions and cold or warm air to every corner of room Provides warm air travelling down the wall to the floor during heating operation and cold air travelling up the ceiling during cooling operation to avoid direct airflow Automatic vertical and horizontal airflow is available in order to make room uniformly cool or warm Automatic vertical airflow is available in order to make the room uniformly cool or warm 2 fe or o o O lt D O M i a eoe Microcomputer control LCD wireless remote control
33. s and 6 reflecting exemplary standards in sustainability terms Categories Flexibility e There are minimum standards for some categories and Energy CO2 Minimum standards at each level of the Code these must be achieved to gain a 1 star sustainability rating Water Materials Minimum standards at Code entry level Surface water run off Waste Energy efficiency and water efficiency vital to the sustainability of any home also have minimum standards i Polluti No mini that must be achieved at every Code level oien o minimum standards Health and well being Management Apart from these minimum requirements the Code is completely flexible allowing developers to choose which aa and how many standards they implement to achieve a higher sustainability rating e To achieve a particular Code level and the associated sustainability rating a home must integrate minimum standards and attain additional points for other design features The table below shows the minimum standards and number of points required to achieve each Code level Achieving a sustainable rating minimum standards Energy Water Code Level Standard Points awarded Standard Points awarded Other points required better than Part L1 20061 Ltrs per person per day 1 10 1 2 120 1 5 33 3 2 18 39 120 15 43 0 3 wk 20 9 8 105 4 5 46 7 A kkk 44 9 4 105 4 5 54 1 5 eA 100 16 4 80 ix 60 1 6 1K Zero Carbon home 17 6 80 7 5 64 9 1 Building Regulations
34. solation It is recommended that the outdoor and indoor units are supplied with an earth leakage breaker in order to protect against electric shock in case of a leak Use the current activated high sensitivity high speed type breaker with a rated sensitivity current of below 30mA and an operating time of below 0 1 second Wiring of the units must be in line with the latest edition of the IEE Wiring Regulations also known as BS 7671 2008 Operating functions INVERTER POWER we 8 33 E FIA 7 IN z AUTO RESTART Py Heat Cool Inverter controlled operation Full power mode Turbo operation Lower room temperature setting from 18 C Computerised dry mode operation Auto operation mode Auto amp 3 step fan speed settings Auto restart function Auto changeover Winter cool function Quick cooling and heating operation decreases fluctuation in temperature and reduces power consumption Heat pump works at maximum power to rapidly cool or heat room Heat pump fan works at extra high fan speed with a setting temperature of 15 C in COOL amp DRY and 32 C in HEAT mode to rapidly cool or heat room In cooling operation room temperature can be set from 18 C Indoor fan motor and compressor are controlled by the microcomputer to maintain room humidity without dropping room temperature In the AUTO mode the temperature setting and mode are automatically selected according to room tempe
35. t pump unit be hidden behind bushes trees and fences Yes but you have to be aware that wherever you position the unit it has to have adequate airflow available to it and that the discharge air can t be re circulated back to the inlet If you don t take enough care in this respect it will result in lowering the air temperature and can significantly reduce the efficiency of the unit Our recommended clearances should be noted on page 14 Can an air to air heat pump be used to cool the home as well as providing heat A Greensource air to air heat pump can cool a property as well as heating it It also has the added advantage of acting as an air purifier and dehumidifier What warranty is available Greensource air to air heat pumps come with a 2 year manufacturer s guarantee provided that the guarantee is registered within 30 days of installation For more information please call 0845 725 6206 Is there a training course available Yes Worcester offers a range of training courses including a 1 day Greensource air to air training course Please call 01905 752526 for more information Note Only one indoor unit and one outdoor unit can be used together as a single split system Installation accessories A number of accessories are generally available for use in the installation of Greensource air to air heat pumps These include wall brackets condensing unit drip trays and condensing unit guards The following companies ha
36. the installation instructions The Greensource air source heat pump can be mounted onto a wall or directly onto the floor Allow a 200mm clearance around the appliance to provide as much installation space as possible for efficient air movement Fig 2 Next install the external wall bracket Place the mounting plate horizontally on the wall allowing 50mm clearance on both sides and mark the location for the wall plugs and the tube hole Then drill the 6 5mm diameter and 32mm depth holes and fit the wall plugs Figs 3 and 4 Secure the internal mounting plate in seven places and check it is firm Drill a 7Omm diameter hole to hold the electrical cables and refrigerant pipework with a 5mm downward slant to the outside Set the sleeve and the caps Connect the electrical cable to the indoor unit Open the panel by about 70 and remove and retain the screw from the indoor unit Connect the electrical cable ensuring the markings on the indoor unit s terminal board match those of the outdoor unit Be careful not to confuse the terminal connections as wrong cabling may damage the internal control circuit Fix the cable with the cord holder and replace the retained screw Fig 5 Mount the indoor unit to the wall Pass the auxiliary pipe and the drain hose through the piping hole and hook the unit onto the mounting plate Push the unit and apply the bottom hooking points to the mounting plate s support Check it is fixed in pl
37. ting and if it is the correct size for the area to be heated it should provide around 100 of the peak load of the room on the coldest day One unit will typically heat an area of 80 140m2 if correctly positioned As a general rule it is more efficient to have the heat pump working as hard as possible as every kW of heating produced by the heat pump is more economical and environmentally friendly than a kW produced by gas oil or electricity There are significant climatic differences across the UK For more information on the suitability of heat pumps for a particular property or application visit www worcester bosch co uk Typical examples of required heating loads w m2 Small offices apartments amp conservatories Offices large Note Heating is based on 1 C ambient and 1 2 air change per hour for average construction Figures can be halved for modern and well insulated buildings Typical examples of required cooling loads w m2 Interior zones more than 7m from windows Perimeter zones 25 glazing Perimeter zones 60 glazing Computer print rooms Refrigerants The Worcester Greensource air to air heat pump system uses R410A a non ozone depleting pre charged refrigerant Spare parts Only genuine Worcester Bosch Group spare parts can be used with these products Filters 2 Part No 8 716 115 433 Standards The installation of the Worcester Greensource air to air heat pump syste
38. ve nationwide coverage and are able to supply all the necessary refrigerant fittings and accessories necessary for the installation of our Greensource air to air heat pump It is a legal requirement for the connection of the refrigerant circuit to be carried out by a suitably qualified refrigeration engineer Heronhill Air Conditioning Ltd Tel 01823 665 660 www heronhill co uk Wolseley Climate Centre Tel 01282 834 498 www wolseley co uk Dean and Wood Tel 0113 201 2851 www dean wood co uk United Refrigeration Tel 01455 630 770 www uriukltd com HRP Tel 01359 270 888 www hrponline co uk Wall bracket and condensing unit drip tray Outdoor unit guard 23 Notes 24 A complete after sales service As part of the worldwide Bosch Group Worcester strives to maintain the highest possible standards of after sales care In addition to the no nonsense parts and labour warranty applicable to all Worcester products you and your customers have the assurance that every Worcester product is manufactured to both the appropriate British and European standards Worcester Contact Centre Should you require support our fully trained Contact Centre staff based at our head office in Worcester are ready to take your calls Whatever your query our contact centre operators along with our nationwide team of engineers are ready to help you If you do not offer annual service and maintenance contracts please refer your
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