INSTRUCTION MANUAL INSTALLATION COMMISSIONING & SERVICING

Transcription

1 INSTRUTION MNUL INSTLLTION OMMISSIONING & SERVIING FLOOR STNING RSF GS-FIRE ONENSING REGULR OILER GREENSTR FS 30i & FS 42i Regular FOR SELE OR OPEN VENT ENTRL HETING SYSTEMS THE PPLINE IS FOR USE WITH NTURL GS OR L.P.G. (at II 2H3P TYPE 13, 33, 53 &93) NTURL GS: GREENSTR FS 30i REGULR G NUMER GREENSTR FS 42i REGULR G NUMER LIQUI PETROLEUM GS: GREENSTR FS 30i REGULR G NUMER GREENSTR FS 42i REGULR G NUMER UK/IE

2 ONTT INFORMTION WORESTER, OSH GROUP: MIN REEPTION: MIN FX: TEHNIL: SERVIE: SPRES: LITERTURE: TRINING: SLES: WESITE: worcester-bosch.co.uk WTER TRETMENT: FERNOX fernox.com SENTINEL sentinel-solutions.net FLUE TERMINL GURS: TOWER FLUE OMPONENTS VLE RISE, TONRIGE, TN9 1T TEL: tfc-group.co.uk IMPORTNT HNLING INSTRUTIONS: It is advised that two people are involved in the transfer of the packaged appliance from the van to the point of installation. suitable truck should be used. The boiler is secured to a wooden board with screws. It is advised that no attempt should be made to move the packaged appliance without the use of a suitable truck. efore removing the carton it is advised that the top flaps are opened and the ancillary items removed and set to one side. The carton can now be lifted off the boiler. Remove the plastic bag protecting the boiler surfaces and place safely away from the working area. Remove the boiler (complete with board) from the pallet before removing the securing screws. The boiler is mounted on small wheels and can now be slid off the board and guided into the installation position. are should be taken not to damage any panels. Two people are required to move the appliance from the board into the installation position. GENERL HNLING GUIELINES: Lift only a manageable weight, or ask for help. When lifting, bend the knees, and keep the back straight and feet apart. o not lift and twist at the same time. Lift and carry items close to the body Wear protective clothing and gloves to protect from any sharp edges PLESE RE THESE INSTRUTIONS REFULLY EFORE STRTING INSTLLTION. THESE INSTRUTIONS RE PPLILE TO THE PROUT MOEL(S) STTE ON THE FRONT OVER OF THIS MNUL ONLY N MUST NOT E USE WITH NY OTHER MKE OR MOEL OF PPLINE. THE INSTRUTIONS PPLY IN THE UK & EIRE ONLY N MUST E FOLLOWE EXEPT FOR NY STTUTORY OLIGTION. THIS PPLINE MUST E INSTLLE Y OMPETENT REGISTERE ENGINEER, SUH S RITISH GS OR OTHER ORGI REGISTERE PERSONNEL. FILURE TO INSTLL ORRETLY OUL LE TO PROSEUTION. IF YOU RE IN NY OUT ONTT THE WORESTER TEHNIL SUPPORT HELPLINE. ISTNE LERNING N TRINING OURSES RE VILLE FROM WORESTER, PRT OF THE OSH GROUP. PLESE LEVE THESE INSTRUTIONS, THE USER GUIE N THE OMPLETE ENHMRK LOG OOK (T THE K OF THIS MNUL) OR ERTIFITE ONFIRMING OMPLINE WITH IS 813 (EIRE ONLY) WITH THE USER OR T THE GS METER FTER INSTLLTION OR SERVIING. OMMERIL INSTLLTION: IF INSTLLING GROUP OF PPLINES TOGETHER, ON OMMERIL PREMISES, THT TOTLS MORE THN 70KW, THEN THE PPLINES MUST E INSTLLE IN ORNE WITH THE REQUIREMENTS OF IGE/UP/10 THEREFORE OMMERIL GS QULIFITION WILL E REQUIRE. REVITIONS: Ø iameter NG Natural Gas LPG Liquid Petroleum Gas H entral Heating HW omestic Hot Water TRV Thermostatic Radiator Valve IP Ingress Protection RSF Room sealed flue N/ Not allowed SEUK Seasonal Efficiency for omestic oilers in the United Kingdom SYMOLS USE IN THIS MNUL: omestic hot water Programmer ON H only entral heating Programmer ON HW only Room thermostat Programmer ON H and HW Frost thermostat old water main supply Wait time period Electricity supply Store the appliance in a dry area prior to installation. Programmer/timer OFF Fuel supply ONTT INFORMTION

3 ONTENTS SFETY & REGULTIONS SFETY PREUTIONS 2 INSTLLTION REGULTIONS 2 SFETY & REGULTIONS PPLINE INFORMTION GENERL INFORMTION 3 TEHNIL T 4 LYOUT & OMPONENTS 5 PRE-INSTLLTION LENING PRIMRY SYSTEMS 6 MINS SUPPLIES 7 WTER SYSTEMS & PIPEWORK 8 ONENSTE PIPEWORK 10 OILER LOTION & LERNES 11 MOUNTING FRME ONNETIONS 13 FLUE OUTLET POSITIONS 14 ROOM SELE FLUE OPTIONS 16 PPLINE INFORMTION PRE- INSTLLTION INSTLLTION UNPKING THE OILER 17 MOUNTING FRME FIXING / FLUE OPENING 18 MOUNTING FRME ONNETIONS 19 FLUE LENGTHS/FLUE MESURING & UTTING 20 FLUE INSTLLTION 23 STNR FLUE INSTLLTION 24 FLUE TERMINL PLUME MNGEMENT 25 ONENSTE, GS & WTER ONNETIONS 26 ELETRIL 27 OMMISSIONING PRE-OMMISSIONING HEKS 28 FILLING THE SYSTEM 29 STRTING THE PPLINE 30 WTER TRETMENT 31 FINISHING OMMISSIONING 32 SERVIING & SPRES INSPETION N SERVIE 33 REPLEMENT OF PRTS 37 SETTING THE GS/IR RTIO 42 SHORT PRTS LIST 43 ONVERSION KITS L.P.G. ONVERSION 44 FULT FINING & IGRMS ELETRIL WIRING IGRM 45 ENTRL HETING FUNTION 46 FULT FINING 47 INSTLLTION OMMISSIONING SERVIING & SPRES ONVERSION KITS ENHMRK HEKLIST T RER OF MNUL FULT FINING & IGRMS ONTENTS 1

4 SFETY & REGULTIONS SFETY PREUTIONS IF YOU SMELL GS: ON'T SMOKE OR STRIKE MTHES. ON'T TURN ELETRIL SWITHES ON OR OFF. O PUT OUT NKE FLMES. O OPEN OORS N WINOWS. O KEEP PEOPLE WY FROM THE RE FFETE. O TURN OFF THE ONTROL VLVE T THE METER. O LL YOUR GS OMPNY. OILER OPERTION: This boiler must only be operated by a responsible adult who has been instructed in, understands and is aware of the boiler s operating conditions and effects. ENHMRK: enchmark Log ook is provided, at the back of this manual, for the installer to complete including their ORGI registration number to confirm that the boiler has been installed, commissioned and serviced according to the manufacturer s instructions. IMPORTNT: The completed enchmark Log ook will be required in the event of any warranty work and may be required by the local uilding ontrol Inspector. HELTH & SFETY: The appliance contains no asbestos and no substances have been used in the construction process that contravene the OSHH Regulations (ontrol of Substances Hazardous to Health Regulations 1988). Where applicable, the E mark indicates compliance with relative EU irectives. OMUSTILE N ORROSIVE MTERILS: o not store or use any combustible materials (paper, thinners, paints etc.) inside or within the vicinity of the appliance. The combustion air must be kept clear of chemically aggressive substances, which can corrode the appliance and invalidate any warranty. INSTLLTION REGULTIONS Failure to install appliances correctly could lead to prosecution. This appliance must be installed by a competent registered engineer, such as ritish Gas or other ORGI registered personnel, in accordance with, and comply to, the current: Gas Safety (Installation & Use) Regulations 1998, IEE Regulations, uilding Regulations, uilding Standards (Scotland) (onsolidation), uilding Regulations (Northern Ireland), local water by-laws, Health & Safety ocument 635 (The Electricity at Work Regulations 1989), IS 813 (Eire) and any other local requirements. The relevant Standards should be followed, including: S7074:1 : ode of practice for domestic heating and hot water supply S6891 : Installation of low pressure gas pipework up to 32mm (R11/4) S EN:12828 : entral heating for domestic premises S5440:1 : Flues and ventilation for gas appliances of rated heating not exceeding 70kW (net) : Flues S5440:2 : Flues and ventilation for gas appliances of rated heating not exceeding 70kW (net) : ir Supply S7593 : Treatment of water in domestic hot water central heating systems S6798 : Installation of gas fired boilers of rated input up to 70kW (net) Where no specific instruction is given, reference should be made to the relevant codes of Practice. FITTING & MOIFITIONS: Fitting the appliance and any controls to the appliance may only be carried out by a competent engineer in accordance with these instructions and the relevant Installation Regulations. Flue systems must not be modified in any way other than as described in the fitting instructions. ny misuse or unauthorised modifications to the appliance, flue or associated components and systems could invalidate the warranty. The manufacturer accepts no liability arising from any such actions, excluding statutory rights. SERVIING: dvise the user to have the system regularly serviced by a competent, qualified engineer (such as ritish Gas or other ORGI registered personnel) using approved spares, to help maintain the economy, safety and reliability of the appliance. IMPORTNT - The service engineer must complete the Service Record in the enchmark Log ook after each service. L.P.G. Installation: n appliance using L.P.G. must not be installed in a room or internal space below ground level unless one side of the building is open to the ground. Timber framed buildings: Where the boiler is to be fitted to a timber framed building the guidelines laid down in S5440: Part 1 and IGE "Gas Installations in Timber Frame uildings should be adhered to. IMPORTNT: rtificially softened water must not be used to fill the central heating system. 2 SFETY PREUTIONS & INSTLLTION REGULTIONS

5 GENERL INFORMTION STNR PKGE: - Floor standing gas fired regular boiler - Mounting frame complete with preplumbing manifold assembly - Literature pack 850mm - ondensate hose and non-return valve SPEIFITIONS: Pre-wired and pre-plumbed. Galvanised steel inner frame. osch Heatronic control system. utomatic ignition. irect burner ignition electrodes. uilt-in frost thermostat. uilt-in fault finding diagnostics. Modulating automatic gas valve. ombustion air fan with speed regulator. H temperature sensor & control. Flue gas temperature limiter. ondensate trap & pump. PPLINE INFORMTION 600mm 400mm 3 GENERL INFORMTION

6 TEHNIL T ESRIPTION UNITS Natural Gas L.P.G FS 30i FS 42i FS 30i FS 42i entral Heating Max. rated heat output net 40/30 kw PPLINE INFORMTION Max. rated heat output net 50/30 kw Max. rated heat output net 80/60 kw Max. rated heat input net kw Min. rated heat output net 40/30 kw Min. rated heat output net 50/30 kw Min. rated heat output net 80/60 kw Min. rated heat input net kw Max. flow temperature Max. permissible operating pressure bar Gas flow rate - Max. 10 minutes from lighting Natural Gas G20 m 3 /h Propane Gas (LPG) kg/h Gas supply pressure Natural Gas G20 mb LPG (Propane) Gas G31 mb Flue Flue Gas Temp. 80/60, rated min. load 67/55 67/55 67/55 67/55 Flue Gas Temp. 40/30, rated min. load 43/32 43/32 43/32 43/32 O 2 level at max. rated heat output % O 2 level at min. rated heat output % NO x - classification class ondensate Max. condensation rate l/h ph value, approx Electrical Electrical power supply voltage...v Frequency Hz Max. power consumption (without pump) W General ata SEUK (and ) % ppliance protection rating IP x4 x4 x4 x4 Permissable ambient temperatures Nominal capacity of appliance Itr Noise output level (at maximum H output) d() Weight (excluding packaging) kg TEHNIL T

7 LYOUT & OMPONENTS E F The diagram opposite shows the controls in the servicing position and excludes the outer case, inner covers and wiring. 1 ONTROL PNEL 2 MSTER SWITH FOR ON/OFF 3 URNER ON INITOR LIGHT (GREEN) 4 SERVIE UTTON 5 OOST UTTON (SERVIE ONLY) 6 ISPLY 7 RESET UTTON 8 NOT USE 9 NOT USE 10 TEMPERTURE ONTROL 11 MINS ON/OFF INITOR & FULT IGNOSTI LIGHT (LUE) 12 OSH HETRONI III SERIES ONTROL OR 13 UTO-IR VENT 14 FLOW PIPE 15 THERMISTOR 16 HETELL 17 IR/GS JUSTMENT SREW (SELE) 18 ONENSTE PUMP SSEMLY 19 RUNNER WHEEL 20 FLOW ONNETION 21 GS ISOLTION VLVE 22 RETURN ONNETION 23 MOUNTING FRME 24 ONENSTE SIPHON 25 GS VLVE 26 INNER SING 27 HETELL HIGH LIMIT THERMOSTT 28 URNER IGNITION ELETROES 29 LNKING OVERS - FLUE OUTLET 30 SE 'KNOK-OUT' PNEL - FLUE 31 SE SIE PNEL LEFT HN 32 SING SUPPORT STRUT 33 OMUSTION IR MOULTING FN 34 FLUE GS SMPLING POINT 35 T LEL PPLINE INFORMTION mmØ HORIZONTL FLUE OMPONENTS (Kit Part No ) - 90 ELOW - PTOR - ONNETOR - INNER WLL FLUE OLLR E - TELESOPI TERMINL SSEMLY F - OUTER WLL FLUE OLLR FLUE KITS: Vertical 100mmØ Part No Vertical 125mmØ Part No Horizontal 125mmØ Part No LYOUT & OMPONENTS

8 LENING PRIMRY SYSTEMS IMPORTNT: ll the following pre-installation sections must be read and requirements met before starting boiler or flue installation. UTION: ISOLTE THE MINS SUPPLIES EFORE STRTING NY WORK N OSERVE LL RELEVNT SFETY PREUTIONS. IMPORTNT: ebris from the system can damage the boiler and reduce efficiency. Failure to comply with the guidelines for the use of water treatment with the appliance will invalidate the appliance warranty. PRE- INSTLLTION EFORE LENING THE SYSTEM: ENSURE THE SYSTEM N PIPEWORK RE IN GOO WORKING ORER. USE THE EXISTING OILER/IRULTING PUMP WHERE POSSILE OR USE POWER FLUSHING MHINE TO I THE LENSING PROEURE EFORE INSTLLING NEW OILER. LENING THE PRIMRY SYSTEM: Fill the system with cold mains water to the recommended pressure and check for leaks. Open all drain cocks and drain the system. lose drain cocks and add a suitable flushing agent at the correct strength for the system condition in accordance with the manufacturer's instructions. irculate the flushing agent before the boiler is fired up. Run the boiler and system at normal operating temperature in accordance with the manufacturer's instructions. rain and thoroughly flush the system to remove the flushing agent and any debris. 6 LENING PRIMRY SYSTEMS

9 MINS SUPPLIES ELETRIL SUPPLY: Supply: 230V - 50Hz. able: PV insulated 0.75mm 2 (24 x 0.2mm) temperature rated to 90. External 3 fuse to S1362. The appliance must be earthed. It must be possible to isolate the appliance from the electrical supply with at least a 3mm contact separation in both poles supplying the appliance. Wiring between the appliance and the electrical supply must comply with IEE wiring regulations and any local regulations which may apply for fixed wiring to a stationary appliance. External pump must be wired back to the boiler. ny system connected to the boiler must not have a separate electrical supply. PRE- INSTLLTION WTER SUPPLY: onnections to the water supply must not be made without the authority of the local water company. GS SUPPLY: oilers using NG must be connected to a governed meter. LPG boilers must be connected to a regulator. Installation and connection of the gas supply to the boiler must be in accordance with S6891. Under no circumstances should the diameter of the gas supply pipe be less than that of the appliance inlet connection. The meter or regulator and pipework to the boiler must be checked, preferably by the gas supplier to ensure it is in good working order and can meet the gas flow and pressure requirements in addition to the demand from any other appliance being served. MINS SUPPLIES 7

10 WTER SYSTEMS & PIPEWORK PRIMRY SYSTEM PLSTI PIPEWORK: ny plastic pipework must have a polymeric barrier with 600mm (minimum) length of copper pipe connected to the boiler. Plastic pipework used for underfloor heating must be correctly controlled with a thermostatic blending valve limiting the temperature of the circuits to approx. 50. The pipework from the boiler to the blending valve must be in copper. PRIMRY SYSTEM ONNETIONS/VLVES: o not use galvanised pipes or radiators. PRE- INSTLLTION Heating return Stop cock Hose return Temporary hose Non return valve Test cock Water main supply Non return valve Stop cock ll system connections, taps and mixing valves must be capable of sustaining a pressure of 3 bar. Radiator valves should conform to S2767:10. ll other valves should conform to S1010. On new installations TRV s must be used on all radiators except the radiator where the room thermostat is sited, this must be fitted with lockshield valves and left open. ll installations should, at least, have TRV's fitted to radiators within the sleeping accommodation. n automatic bypass valve must be connected between the heating flow and return where TRV's are used on all radiators unless one of the parts is open to flow (refer to Water Systems and Pipework section). drain cock should be fitted at all the lowest points of the heating circuit. ir vents are required at all high points on the system. FILLING PRIMRY SELE SYSTEMS: Filling the primary system must comply with one of the methods shown opposite. The filling point must be at low level and must never be a permanent direct fixing to the mains water supply. Filling loops must be WRS approved. Heating return uto air vent Fill point Non return valve Stop cock Make up vessel 1000mm above the highest point of the system 8 WTER SYSTEMS & PIPEWORK

11 S PLN LYOUT N WTER SYSTEMS & PIPEWORK S & Y PLN OPEN VENT PRIMRY SYSTEM: 150mm max. Y PLN LYOUT N M min. 250mm E F G M min. 250mm H Generally a by-pass is not necessary on a Y plan system as one of the parts is open to flow. The feed and expansion cistern (N) must be positioned to provide a static head (M) of at least 250mm above the highest point in the heating system. The heating vent () and cold feed () pipes must rise continuously from the appliance. The heating vent pipe () must be at least Ø22mm. No valve shall be fitted in the heating vent pipe () or the cold feed and expansion pipe (). PRE- INSTLLTION M min. 250mm M min. 250mm G H 150mm max. E FULLY PUMPE SELE PRIMRY SYSTEM: SELE SYSTEM LYOUT N J K I Hot water flow Heating return ylinder return G Heating flow H pressure relief valve (K) (spring loaded safety valve set to operate at 3 bar) must be fitted to the heating return pipe as close as possible to the boiler. n expansion vessel (I) must be fitted to the heating return pipe close to the boiler and pressurised for the system volume according to the instructions supplied with the vessel. pressure gauge (J) (3 bar min.) must be fitted to the heating return pipe. n automatic air vent must be fitted. Stop valve (L) must be a fixed cylinder type or sealed systems approved connection. L Mains cold water - oiler. - Heating vent (min. Ø22mm). - Primary cold feed (min. Ø15mm). - iverter valve. E - Pump. F - utomatic by-pass. G - Radiator valve (flow). H - Lockshield valve (return). I - Expansion vessel. J - Pressure gauge. K - Relief valve. L - Stop valve. M- Static head. N - Feed & expansion cistern. WTER SYSTEMS & PIPEWORK 9

12 ONENSTE PIPEWORK PRE- INSTLLTION - ondensing oiler 22mmØ plastic pipe ondensing oiler 22mmØ Invert 22mmØ condensate drainage pipe, max external length 3 metres 500mm min. Visible air break at plug hole 100mm 75 mm min. Sink with integral overflow 75mm sink waste trap Insulation or increase pipe size Insulation or increase pipe size Open end of condensate drainage pipe directly into gully below grating but above water level Soil & vent stack minimum 450mm and up to 3 storeys ondensate drainage pipe can be run above or below ground IMPORTNT: Ensure there are no blockages in the pipe run are should be taken when siting a soak-away to avoid obstructing existing services ondensate waste must not be terminated into a septic tank or cesspit ONENSTE PIPEWORK: The condensate pipe must be a minimum of 22mm Ø plastic pipe. The condensate pipework must fall at least 50 mm per metre towards the outlet and should take the shortest practicable route. The pipework must follow one of the options shown opposite or discharge directly into a vent stack min. 450mm above pipe invert or into a gully below ground but above the water level. Wherever possible the condensate discharge pipe work should be routed and terminated internally. Should this not be possible, and the only available route is external, the following conditions should be observed: External pipe work - Pipe work length should be kept to a minimum and the route as vertical as possible. - Where pipe work is subjected to extreme cold or wind chill, a weather proof insulation should be used. lternatively the condensate pipework could be increased to a minimum diameter of 32mm without the requirement to insulate.he pipe run iameter 100mm min. plastic tube ottom of tube sealed Limestone chippings Hole depth 400mm min. by 300 Ø 22 mm Ø plastic condensate drainage pipe running through the external wall 25mm rainage holes External rain water pipe into foul water ondensate soakaway The condensate drainage pipe may be run above or below the ground to the soakaway. The example shown opposite runs above ground level. The soakaway must use a 100mm diameter plastic tube with two rows of three 12 mm holes on 25 mm centres and 50 mm from the bottom of the tube. The holes must face away from the house. The tube must be surrounded by at least 100 mm of limestone chippings to a depth of 400mm. ondensing oiler Insulation or increase pipe size 43 mm 90 M & F bend External air break ir gap 68 mm Ø PV-u strap on fitting Fitting an external air break Use the situation opposite when a rain water down pipe is used to dispose of condensate and the down pipe goes directly into an existing sewer that carries both rainwater and foul water. n air break must be installed in the 32/43 mm pipework, between the boiler condensate outlet and the drainpipe, outside the property, to avoid flooding during adverse weather conditions. 10 ONENSTE PIPEWORK

13 1450mm 1: INSTLLTION LERNES 1200mm 5mm 600mm 800mm 600mm 410mm 3: UNVENTE OMPRTMENT LERNES 600mm 5mm 865mm 1200mm 5mm 600mm 25mm 2: SERVIE / VENTE UPOR LERNES 15mm 410mm 5mm OILER LOTION & LERNES This boiler is only suitable for installing internally within a property at a suitable location onto a fixed rigid non-combustible surface at least the same size as the boiler and capable of supporting the boiler weight. The boiler is not suitable for external installation unless a suitable enclosure is provided. OMMERIL INSTLLTION: If installing more than one appliance in a modular or cascade arrangement in a commercial premises, that total more than 70kW, then additional ventilation is needed to comply with the angerous Substances and Explosive tmospheres Regulations (SER). ompartments: Follow the requirements of S6798 and S5440 Part 2 and note: Minimum clearances must be maintained. n access door is required to install, service and maintain the boiler and any ancillary equipment. If fitting the boiler into an airing cupboard use a non-combustible perforated material (maximum hole sizes of 13mm) to separate the boiler from the airing space. PRE- INSTLLTION 900mm 100mm** 200mm* 50mm 100mm** 1: INSTLLTION LERNES: iagram 1 shows the minimum space required to install the boiler only. 2: SERVIE / VENTE UPOR LERNES: iagram 2 opposite shows the minimum space required to service the boiler only. 25mm to a removable door 3: UNVENTE OMPRTMENT LERNES: iagram 3 shows the minimum space required to install and service the boiler inside an unvented compartment. * Space required for unvented areas with a removable door or panel. **This space can be reduced to 50mm for one side only as long as both the side clearances add up to the total of both the side measurements shown or more. OILER LOTION & LERNES 11

14 4: IRING UPOR LERNES OILER LOTION & LERNES 625mm 600mm 4: IRING UPOR LERNES: 100mm iagram '4' opposite shows the minimum space required to install and service the boiler within an airing cupboard. PRE- INSTLLTION 5: VENTING OMPRTMENTS 1050mm 25mm 100mm 25mm 200mm 100mm 5: VENTING OMPRTMENTS: If the clearances are less than those stated for options '3' & '4' (above) then ventilation must be provided as described in S minimum of 2 air vents () of equal size must be fitted, one at low level and another at high level onto the same wall using the same air for circulation. Minimum free area required for venting: For air directly from outside: FS 30i 155cm 2 FS 42i 217cm 2 For air from internal space/room: FS 30i 310cm 2 FS 30i 433cm 2 600mm 600mm 6: THROOMS: 2250mm mm 2250mm IMPORTNT: ny switch or appliance control using mains electricity must not be within reach of a person using the bath or shower. Electrical switches, fused spurs and socket outlets must not be situated in the bathroom. This boiler is IP X4 rated and can be installed in zone 2, however where possible positions outside zone 2 should be sought. dditional R (Residual urrent evice) protection may be required. Refer to the latest IEE wiring regulations. 600mm 750mm 2250mm mm mm radius OILER LOTION & LERNES

15 MOUNTING FRME ONNETIONS ONNETIONS: Water: 28mm compression fittings Gas: 22mm compression fitting. RUNNING PIPES EHIN THE OILER: The frame should sit against the wall (not the skirting board) with enough room for the pipework. o not cross a pipe over another. The area around a rear flue outlet must be avoided. PRE- INSTLLTION 28mm 22mm MOUNTING FRME ONNETIONS 13

16 The flue must be fitted and terminated in accordance with the recommendations of S5440 : Part 1. The flue must not cause an obstruction. ischarge and any noise from the flue outlet must not cause a nuisance. Flue gases have a tendency to plume and in certain weather conditions a white plume of condensation will be discharged from the flue outlet. Where this could be a nuisance, for example, near security lighting, an alternate position should be found. PRE- INSTLLTION The air inlet/outlet duct and the terminal of the boiler must not be closer than 25mm to any combustible material. etailed recommendations on protection of combustible materials are given in S 5440: Part 1 protective terminal guard must be fitted if the terminal is 2m or less above a surface to which people have access. The guard must be spaced equally (minimum 50 mm) around the flue and fixed to the wall with plated screws. See ontact Information (inside front cover). NOTE: ll measurements are the minimum clearances required. Terminals must be positioned so to avoid combustion products entering the building. 500mm clearance to any vertical structure on a roof, 600mm to another flue or 1500mm to an open flue. 500mm 300mm VELU 200mm 200mm below eaves and 75mm below gutters, pipes and drains RIN 25mm 600mm minimum clearance from a skylight to a vertical flue 500mm 600mm 500mm 600mm 600mm distance to a boundary, unless it will cause a nuisance. S 5440: Part 1 recommends that care is taken when siting terminals in relation to boundaries oundary educt one metre off the total flue length for every 45 bend used educt two metres off the total flue length for every 90 bend used The flue turret has a built-in angle of 3 to ensure that the condensate flows back to the boiler for safe disposal via the condensate waste pipe. ll horizontal flue sections must rise by 3 or at least 52mm for each metre away from the boiler to ensure condensate flows back into the boiler. 1000mm 52mm fall 1000mm 104mm fall 500mm Vertical flue clearance 500mm to non-combustible building material, and 1,500mm clearance to combustible building material 14 FLUE OUTLET POSITIONS

17 FLUE OUTLET POSITIONS NOTES: Plume management kits are available for 100mm horizontally terminated flues. Please refer to the installation instructions supplied with the plume management kits. 300mm If plume redirection is utilised, the clearance from any opening must be increased in the direction of the plume to 1500mm. Opening in building VELUX WINOW ORMER WINOW 1500mm between a vertical flue terminal and a window or dormer window 1500mm 400mm Min mm irection of flue discharge Plume deflector PRE- INSTLLTION 2000mm below a Velux window, 600mm above or to either side of the Velux window 400mm from a pitched roof or in regions with heavy snow fall 500mm The flue cannot be lower than 1000mm from the top of a light well due to the build up of combustion products RINPIPE 1200mm 300mm 5mm 300mm 1200mm between terminals facing each other 300mm to an internal or external corner 1500mm 300mm Window 300mm 300mm above, below and either side of an opening door, air vent or opening window NOTE: ll measurements are the minimum clearances required. Terminals must be positioned so to avoid combustion products entering the building learance no less than 200mm from the lowest point of the balcony or overhang 300mm NOTE: Installations in carports are not recommended 1,200mm from an opening on the same wall (ie: door or window leading into a dwelling) in a carport with both sides open, to prevent the build up of combustion products. Flue clearances must be at least 300mm from the ground. Terminal guards must be fitted if the flue is less than 2 metres from the ground or if a person could come into contact with the flue terminal. 15 FLUE OUTLET POSITIONS a

18 ROOM SELE FLUE OPTIONS PRE- INSTLLTION L= Ø100mm mm L= Ø125mm mm L= Ø100mm mm L= Ø125mm mm Ø100mm x4 Ø125mm x12 L= Ø100mm 2000mm L= Ø125mm 11000mm L L L= Ø125mm 9000mm Ø125mm x8 L= Ø125mm 7000mm Ø125mm x6 L L Min. 120mm Min. 120mm The diagrams (opposite) show the components used and the maximum flue length for each configuration of 100mm and 125mm flues. Only straight flue sections can be reduced in length by cutting. The 100mm horizontal flue terminal can be fitted from inside or outside the building. IMPORTNT: ll horizontal sections must rise away from the boiler by 52mm per metre (3 ) to allow the condensate to drain back to the boiler. - Horizontal terminal - Straight flue extension - Flue bend 90 - Flue bend 45 E - Vertical Terminal E Ø100mm x2 Ø125mm x10 L L= Ø100mm 4400mm L L= Ø125mm 13000mm alculating the flue length: Measure the total flue length (L) required, noting that the maximum straight flue length including the terminal is: Horizontal Ø60/100mm: 4000mm Horizontal Ø80/125mm: 13000mm Vertical Ø60/100mm: 6400mm Vertical Ø80/125mm: 15000mm L=Ø100mm 2000mm L=Ø125mm 11000mm Ø100mm x2 Ø125mm x10 L E Ø100mm x4 Ø125mm x12 Min. 120mm Then reduce the total straight flue length for each extra flue bend (excluding the flue elbow) by: 2000mm for mm for 45 Flue Extension lengths: Horizontal & Vertical Ø60/100mm: 950mm Horizontal & Vertical Ø80/125mm: 950mm L= Ø125mm 9000mm L=Ø100mm 2400mm L=Ø125mm 11000mm L Flue Terminal lengths: Horizontal Ø60/100mm: 530mm Horizontal Ø80/125mm: 1200mm Vertical Ø60/100mm: 1140mm Vertical Ø80/125mm: 1365mm Ø125mm x8 L E Min. 120mm Ø100mm x2 Ø125mm x10 16 ROOM SELE FLUE OPTIONS

19 IMPORTNT: ll the previous Pre-Installation sections must be read and requirements met before starting boiler or flue installation. UNPKING THE OILER Take care not to damage the boiler panels or the floor and note that the boiler may contain some water due to factory testing. 1 2 Unpacking: 1 Undo the ties securing the carton to the pallet If a sharp implement is used, care must be taken not to pierce the carton or cause injury. 2 efore removing the carton it is advised that the top flaps are opened and items,, and are removed and set to one side. 3 The carton can now be lifted off the boiler. Remove the plastic bag protecting the boiler surfaces and place safely away from the working area. Remove 2 screws at the rear of the board securing the board to the pallet. Slide the boiler and board off the pallet. The boiler is mounted on small wheels and it is recommended that two people are used to move the boiler from the board, taking care not to damage the panels or the floor. t all times the correct method for handling heavy objects should be strictly observed. INSTLLTION 3 GENERL HNLING GUIELINES: Lift only a manageable weight, or ask for help. When lifting, bend the knees, and keep the back straight and feet apart. o not lift and twist at the same time. Lift and carry items close to the body Wear protective clothing and gloves to protect from any sharp edges - Mounting frame - Installation pack - Literature pack - ondensate waste pipe & non-return valve 17 UNPKING THE OILER

20 F ll dimensions in mm MOUNTING FRME FIXING & FLUE OPENING UTION: Ensure there are no pipes, electric cables, damp proof course or other hazards before drilling. SFETY: ll relevant safety precautions must be undertaken. Protective clothing, footwear, gloves and safety goggles must be worn as appropriate. MOUNTING FRME/PIPEWORK POSITIONS: - Mounting frame. - Manifold connections. 38mm - Mounting frame fixing point. - Wall. INSTLLTION X Y Z E E - Gas and water pipework (not supplied). F - oiler. FIXING THE MOUNTING FRME: Position the mounting frame () on the floor against the wall with manifold connections () facing away from the wall () ensuring there is enough space for the pipework (E). llow the minimum space from each side of the frame () for the boiler overhang (F) and minimum service clearance, as shown. Ensure the mounting frame is level and mark fixing points (). Secure mounting frame () to the floor using appropriate fixings (not supplied). lear any debris from the site. FLUE OPENING: Follow the diagram opposite to mark the centre of the flue (1, & 2) for rear opening, (2 & 3) for side opening or (1 & 4) for top opening. Y Measurements shown include the minimum service clearances. NOTE: ll horizontal flue sections must rise away from the boiler by 52mm per meter to ensure that condensate flows back into the boiler for safe discharge via the condensate waste pipe. X Z over the mounting frame manifold assembly () to protect the manifold connections. Make an opening (X or Z) through the wall using a core drill or similar at a size relative to the wall thickness as shown below: Wall Flue opening Flue opening thickness 60/100mmØ 80/125mmØ mm 127mmØ 152mmØ mm 127mmØ 152mmØ mm 127mmØ 162mmØ mm 140mmØ 162mmØ Where the flue terminal can only be fitted from inside the building, increase the opening to 150mmØ to allow the optional weather collar to fit through the opening for 60/100 flue. lear away any debris. 18 MOUNTING FRME FIXING & FLUE OPENING

21 MOUNTING FRME ONNETIONS UTION: ISOLTE THE MINS GS SUPPLY EFORE STRTING NY WORK N OSERVE LL RELEVNT SFETY PREUTIONS. GS N WTER ONNETIONS: Ensure all pipework is clean and each pipe is in the correct position as shown opposite. Push in each pipe in turn and tighten the fitting to secure. - H flow (28mm) - Gas inlet (22mm) - H return (28mm) - Mounting frame. 123mm 247mm INSTLLTION 28mm 22mm 19 MOUNTING FRME ONNETIONS

22 FLUE LENGTHS 1 L HORIZONTL FLUE: (60/100mm diameter) For vertical flues and 80/125mmØ horizontal flues, please refer to separate Flue Kit instructions. EFFETIVE MXIMUM STRIGHT FLUE LENGTHS for Ø60/100mm Telescopic flue: ppliance description Greenstar FS 30i Regular Greenstar FS 42i Regular L max. 4000mm 4000mm Ø60/100mm HORIZONTL TELESOPI FLUE LENGTHS: The maximum effective straight flue lengths (L) are stated opposite for the relevant appliance and must not be exceeded. 1 Measure the total straight length (L) along the flue route, then add the following to length (L) to check the maximum flue length is not exceeded: 2000mm for each extra 90 bend. 1000mm for each extra 45 bend. INSTLLTION FLUE MESURING & UTTING ll dimensions in mm. 1 Example with one extension tube: o not exceed the maximum straight length for a horizontal Ø60/100mm flue or a Ø60mm plume management system (if used) as stated in this Instruction Manual or Flue Manual. 10 UT LENGTH WITH ONE EXTENSION = L - 410mm L utting the flue to an exact measurement is not required as the telescopic flue terminal allows for adjustment. E 1 Measure the flue length (L) from the boiler inner case () along the flue route to the outside wall (). Note, the terminal end projects beyond the outside wall by the distance shown opposite. - oiler inner case. - Flue connector. - Flue extension tube socket. - Outside wall. E - luminium tape over terminal screwed joint. 20 FLUE LENGTHS FLUE MESURING & UTTING

23 1 FLUE MESURING & UTTING Flue bends: 950mm 1145mm 1 onnecting flue bends increases the effective pipe length and an allowance must be made for the different connectors. The example opposite shows dimensions for two 90 bends connected to a standard flue extension. djusting the standard terminal length: 2 310mm 530mm 2 Extend tube () by withdrawing from tube () to achieve the flue length required, mm. Secure with screw provided and seal joint with the aluminium tape supplied. Reducing the standard terminal length: 3 Remove securing screws () to detach the terminal assembly from the connector. 3 4 E Slide terminal section () from the terminal assembly and discard. To use terminal () without cutting remove the location lug () on the inner flue tube (E) and remove any burrs. To reduce the terminal length further: 4 Mark the length required for the terminal () as shown (min. 130mm) and cut square, taking care not to damage the tubes. Remove any burrs and chamfer the outer edge of the tubes to assist ease of connection and prevent seal damage. NOTE: The aluminium tape is not required when reducing the terminal. Reducing extended flue tube length: Only cut flue extension & not flue terminal 5 Mark flue extension (F) to the required distance measuring from the socket end and cut square taking care not to damage the tubes. Remove any burrs and chamfer the outer edge of the tubes to assist ease of connection and prevent seal damage. INSTLLTION 130mm MIN 5 Required distance F 21 FLUE MESURING & UTTING

24 FLUE MESURING & UTTING Y X Y FLUE OUTLETS (X or Y): 1 Remove seal () from flue adaptor (). 2 ut square to mark, as shown, deburr and clean. 3 Replace seal (). X 2 1 INSTLLTION 3 Y FLUE MESURING & UTTING

25 3 FLUE INSTLLTION E 1 Grip the outer sides of the front panel (F) pull and lift away from retaining lugs. F H J 2 2 Remove retaining screw () to swing control panel assembly () outwards to its full extent. 3 Remove screws () from inside of casing. Lift front of top panel () to release. Pull forwards to disengage rear retainer (E), then lift panel () away from boiler. 4 Release four screws (H) to remove the inner case cover (J). 4 1 INSTLLTION 1 E ONVERT FROM RER FLUE OUTLET: The boiler is supplied ready to fit a rear flue outlet. To flue from the sides or top of the boiler, follow the procedure below: 2 F 1 Remove the required side or top 'knock-out' panel () from the outer casing (). 2 Remove the flue outlet blanking plate comprising: cover () and gasket (E) from the inner casing () by removing the three screws (F). 3 Refit the outlet blanking plate over the rear flue outlet. 23 FLUE INSTLLTION

26 1 STNR FLUE INSTLLTION INSTLLTION 4 F 2 TOP TOP TOP 3 110mm K NOTE: To ease assembly of the flue components, lightly grease seals lightly with the solvent-free grease supplied. heck all the seals are seated properly in the grooves provided and are in good condition. ll flue joints must be sealed to prevent leakage of condensate and flue products. Installing the standard flue: 1 Set the flue terminal () to the distance required, secure with screw and seal joint with the aluminium tape supplied. 2 Slide the inner wall seal () onto the terminal () as shown. If fitting from inside the building; slide the outer wall seal (K) onto terminal (). 3 Position terminal () through the flue opening in the wall to the outside and then pull back to create a seal. The flue terminal () MUST be fitted with the label marked 'TOP' uppermost to allow the correct fit and use of the plume management system. If fitting from the outside of the building; position terminal () through the flue opening of the building by the distance shown, slide the outer wall seal (K) onto terminal () to fit against the outer wall. 4 Roll the boiler into position on the floor mounting frame. Position connector () with the label marked TOP uppermost to align with the three holes in the boiler inner casing (E). Secure using three hexagonal bolts (F). 5 Push-fit adaptor (G) into elbow (H) until secured by the clip. 6 Slide adaptor (G) into the inner flue tube of terminal () and push elbow (H) into flue outlet (J) until secured by the retaining clips ensuring a good seal is made. E lip 5 G H 6 H G E J 24 STNR FLUE INSTLLTION

27 FLUE TERMINL PLUME MNGEMENT 2 The flue discharge can be redirected allowing some plume management control, alternatively, a complete plume management system can be fitted to the flue terminal. Redirecting the flue discharge: 1 Important: should you wish to use the plume deflector please use the additional grease enclosed to ensure that an adequate seal is retained. 1 Remove screws () and terminal end (). 2 Spread the extra grease supplied into the groove that runs around the terminal outlet () to ensure a good seal is retained. 3 Rotate the detached end section () to plume deflecting position, as shown and refit using screws (). 4 Loosen screws () and rotate the terminal end ( & ) to redirect the plume. 3 O NOT rotate the complete flue terminal assembly. Tighten screws () to secure in the required position. NOTE: The flue terminal outlet has built-in stops to limit rotation for the horizontal flue to allow condensate to run back into the boiler for safe disposal. o not to force beyond the limit stops. INSTLLTION ± FLUE TERMINL PLUME MNGEMENT

28 ONENSTE, GS & WTER ONNETIONS ONENSTE ONNETION: INSTLLTION G H Max. 4500mm Min. 200mm H J K The condensate pump (G) fills up and periodically discharges through the flexible condensate pipe (H) between 200mm to 4500mm from floor level. fter this point the condensate flows, due to gravity, down the 21.5mm plastic pipe to the outlet. Fit the bayonet connector on end of the condensate waste pipe to the condensate pump, push down and rotate clockwise until the connector is locked. Route and secure condensate waste pipe (H) with clips supplied to prevent kinking or restriction. ut off any excess pipe (H). Fit the condensate waste pipe (H) to adaptor (K) and secure with clip (J). onnect adaptor (K) to 21.5mm plastic pipe and terminate into an internal waste trap. (See Pre-Installation section for condensate pipework running from the adaptor (K) to the discharge outlet). Never terminate or discharge into any open source, including; sink, bath, shower, bidet, toilet etc. Note: ny external condensate pipework should be protected with weather resistant insulation to help prevent freezing. The flexible pipe supplied can only be used inside the property. UTION: ISOLTE THE MINS SUPPLIES EFORE STRTING NY WORK N OSERVE LL RELEVNT SFETY PREUTIONS. G M L F H GS N WTER ONNETIONS: Remove the transit bungs (L) from the gas and water connections (, & ) on the boiler and mounting frame. Note: Surplus water may be present due to factory testing. Ensure the area is clear of debris and manoeuvre the boiler rear wheels onto the outer rails of the mounting frame (F). Take care when moving the boiler to position the front wheels onto the rails and align the gas/water connections and the flue. Secure boiler to mounting frame (F) with screw (M) Place the 2 larger valve sealing washers (shown shaded) onto valves &. Place the smaller valve sealing washer onto valve. Ensure all pipework is clean. Tighten the compression fittings to secure: - H flow (28mm). - Gas inlet (22mm). - H return (28mm). 26 ONENSTE, GS & WTER ONNETIONS

29 1 2 ELETRIL Earth ST10 E L N Switched live Live Neutral LR LS N S TIMER ROOMSTT TNKSTT blue ST10 230V MINS SUPPLY N N green/yellow E brown L 7 L WTER VLVE(S) FROSTSTT ST25 boiler demand 9 External pump ST25 ST6 8 LZ SYSTEM WIRING WIRING SYSTEM ENTRE ENTRE ST6 NZ ST8 FR FS ST NP LP 5 External stat * 6 ST8 ondensate pump * High level sensor o not remove link (unless used for external stat) F ST19 UTION: ISOLTE THE MINS ELETRIITY SUPPLY EFORE STRTING NY WORK N OSERVE LL RELEVNT SFETY PREUTIONS Note: Mains supply to the boiler and system wiring centre must be through a common fused double pole isolator situated next to the boiler. The isolator must have a contact separation of 3mm minimum between all poles. ny system connected to the boiler must not have a separate electrical supply. External fuse 3 mps. When stripping wires ensure copper strands do not fall into the control box. ccess to electrical connections: Remove boiler casing to access control panel. 1 Remove screw () and swing the control panel into the service position. 2 Remove the three screws () in the control panel and remove the connections cover. 3 Unclip cable clamp (). 4 ut off the tapered cable entry to suit the cable diameter. 5 Unscrew cable retaining screw (). Run the cable through the cable clamp () ensuring there is ample cable to reach the connectors. 6 Tighten the cable retaining screw to secure the cable and replace clamp into the control panel. 7 Mains power 230 Volt connection ST10: Seperate wires from cable end and strip to 6mm onnect LIVE wire to terminal L onnect NEUTRL wire to terminal N onnect ERTH wire to connector NOTE: Make the ERTH wire longer so that if the cable is snagged, the ERTH wire is the last to be pulled out. 8 System wiring centre connection ST10: Remove link onnect LIVE wire to terminal Ls onnect NEUTRL wire to terminal Ns onnect SWITHE LIVE to terminal LR 9 External pump must be wired back to the boiler: onnect pump LIVE to terminal Lz onnect pump NEUTRL to terminal Nz 10 Refit all panels NOTES: External diverter valve(s) and all other 230V parts are not supplied with the boiler. Refer to manufacturers instructions when connecting external parts to the wiring centre. Worcester, osch Group cannot be held responsible for wiring errors. INSTLLTION a ( ) ELETRIL

30 PRE-OMMISSION HEKS UTION: ISOLTE THE MINS SUPPLIES EFORE STRTING NY WORK N OSERVE LL RELEVNT SFETY PREUTIONS. J H 4 1 heck that the service and water pipes are connected to the correct valve on the manifold; - H flow (28mm) - Gas inlet (22mm) - H return (28mm) 2 heck all system and boiler drain points are closed. 3 heck the gas type specified on the identification plate matches that of the gas supply. INSTLLTION 5 6 Turn on the main gas supply and purge the gas supply to the boiler ensuring that the room is well ventilated. Test the gas supply for soundness as described in S heck the flue is correctly fitted and the connections are secure. OMMISSIONING 3 5 heck the condensate pipework is correctly fitted and connected. 6 Refit inner case cover (J) and secure with four screws (H). IMPORTNT: If the boiler is not to be commissioned immediately then: 1 2 after successfully completing all of the checks and any rectification work, shut off the gas supply and electrically isolate the boiler. omplete the installation part of the Guarantee Registration ard. 28mm 22mm 28mm 28 PRE-OMMISSION HEKS

31 FILLING THE SYSTEM 1 Open all system and radiator valves. Turn on the water main stop cock. 2 Open vented systems only; Turn on the water to the system header tank and allow the system to fill. 3 Pressure gauge located externally on the system; Fill the system to 1 bar pressure via a WRS approved filling link. 4 Vent all radiators, retighten when completed. heck the system and rectify any leaks. OMMISSIONING 29 FILLING THE SYSTEM

32 F L - MSTER SWITH FOR ON/OFF - MINS ON/OFF INITOR + FULT IGNOSTI LIGHT (LUE) - TEMPERTURE ONTROL - URNER ON INITOR LIGHT (GREEN) E - FULT RESET UTTON F - SERVIE UTTON H - NOT USE K - ISPLY L - OOST UTTON (SERVIE ONLY) M- NOT USE K E H M STRTING THE PPLINE IMPORTNT: Never run the appliance when the appliance or system is empty or unpressurised. Switching the appliance on/off: 1 Turn on mains power supply. Turn on any external controls. Set the thermostatic radiator controls to maximum. Set the clock/programmer to continuously ON and the room thermostat to maximum temperature. 2 Press button () and the power on indicator () illuminates blue. 3 Turn the temperature control () to maximum. The burner on indicator () illuminates green when the burner has lit. NOTE: The boiler runs for 15 minutes at minimum heating output to fill the condensate trap. This occurs every time the mains supply has been interrupted. 4 If the boiler fails to light, the blue power indicator () and reset button (E) will flash alternately. To reset the boiler, press and hold the reset button (E) for 2 seconds. UTION: O NOT PRESS THE POWER INITOR () TO RESET THE OILER. OMMISSIONING E THE OMUSTION FOR THE PPLINE IS FTORY SET. NO JUSTMENT IS REQUIRE IF THE GS INLET PRESSURE IS ORRET. HEKING THE GS INLET PRESSURE: The inlet pressure to the appliance must be checked using the following procedure: SETTING THE OILER TO MXIMUM: Press boost button for ten seconds and set temperature to maximum. The boost button will illuminate continually. MESURING THE INLET PRESSURE: Slacken the screw in the inlet pressure test point and connect a manometer. Measure the pressure with the boiler running at maximum. heck the gas supply working pressure at the gas valve inlet point: N.G mbar (18 mbar nominal) L.P.G mbar (37 mbar nominal) The gas rate should be measured at the gas meter after 10 minutes operation at maximum. See Technical ata section at the front of this manual. (LPG) Where a gas meter is NOT available the O/O2 must be checked to the units shown in Setting air/gas ratio Ensure inlet pressure is satisfactory with all other gas appliances working. Replace controls cover. NOTE: This boiler is designed with a differential of 20 across the heating system. IMPORTNT: o not continue commissioning until the correct gas inlet pressure is achieved. If pressure is satisfactory press the boost button again and the boiler will return to normal operation. If left in service mode the control will return to normal operation after 15 minutes. Reseal the screw in the gas inlet pressure test point. 30 STRTING THE PPLINE

33 WTER TRETMENT IMPORTNT: ebris from the system can damage the boiler and reduce efficiency. Failure to comply with the guidelines for the use of water treatment with the appliance will invalidate the appliance warranty. FLUSHING (entral Heating): Switch off the boiler. Open vented systems only: turn off the water to the system header tank. Open all radiator valves/drain cocks and drain the system while the appliance is hot. lose drain cocks. dd a suitable flushing agent and refill the system at the correct strength for the system condition in accordance with the manufacturer's instructions. Run the boiler/system at normal operating temperature for the time stated by the flushing agent manufacturer. rain and thoroughly flush the system to remove the flushing agent and debris. INHIITOR (entral Heating): heck drain cocks are closed and all radiator valves are open. dd a suitable* inhibitor, (or combined inhibitor/anti-freeze if the system is exposed to freezing conditions) to the heating system in accordance with the manufacturers instructions. The inhibitor or combined inhibitor/antifreeze must not cause damage to the materials within the boiler (aluminium, stainless steel, copper and brass) and any other materials/components within the system. Open vented systems only: turn on the water to the system header tank and allow the system to fill. Sealed systems only: fill the system to between 1 and 2 bar via a WRS approved filling loop. Vent the boiler and all radiators; retighten vents when complete. Record the date when the inhibitor was added to the system on the guarantee card. NOTE: The concentration level of inhibitor in the system should be checked every 12 months or sooner if system content is lost. The addition of sealing agents to the system water is not recommended as this can cause problems with deposits left in the heat exchanger. OMMISSIONING * compatible with aluminium. The ph value of the system water must be less than 8 or the appliance guarantee will be invalidated. 31 WTER TRETMENT