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User manual and Installation instructions

1. er Bee S emote Gy SS E2 External Probe I 1 s ln MS cower supply SMS L SS 3 SES C h external Eo ot 2 SS 1 Fig 6 26 The route of the external probe s connec tion wires must follow the route indicated in Fig 6 17 Allow the cables to exit the boiler by using the relevant cable clamps Q Fig 6 18 6 15 Remote electric connection optional Use the clamps indicated in Fig 6 26 to connect the remote To connect the remote control to the boiler refer also to the REMOTE CONTROL book let Do not remove the electric jumper con nected on the ambient thermostat termi nal block between 1 and 3 Fig 6 26 The route of the remote control cable must follow the route indicated in Fig 6 17 Allow the cables to exit the boiler by using the relevant cable clamps Q Fig 6 18 COMMISSIONING 7 COMMISSIONING 7 1 Warnings The commissioning of this boiler and system must only be undertaken by a Gas Safety registered engineer in ac cordance with the requirements of the Gas Safe Installation and Use Regula tions and be approved by Gas Safe Ensure that the Benchmark Log Book is satisfactorily completed during the com missioning process The Log Book is located at the end of this manual This manual should be handed to the User following co
2. RECOMMENDATION ONLY NOTE pump requised optimisation to prevent pump over into feed amp EXPANSION expansion tank 1 i COOLD k AUTOMATIC f AIFEED AIR VENT CH FEED THERMOSTAT als amp EXPANSION Smee Sele 7 TANK STOP i w Pe RK VALVE MOTORIZED APPLIANCE 1 HOT WATER Le VALVE al G 1 CYLINDER SYSTEM 1 a BYPASS Key Y N PUMP 1 T 1 LOCKSHELD g TERMINAL VALVE WAY H ae DRAIN 1 BOLCK VALVE MOTORIZED 1 1 i N VALVE L U a 1 D 1 1 1 oo dle p l CH DHW 2 CHANNEL PROGRAMMER 4 FLOW RETURN x DRAIN Fig 5 9 39 Z O lt a lt p z lt a lt p GENERAL REQUIREMENTS Open vent water system with flow and return connected to top pipes COLD WATER STORAGE EXPANSION TANK AUTOMATIC COOLD 4 4 TANK AIR VENT _FEED n CH FEED amp EXPANSION THERMOSTAT a Ss rss phe MOTORIZED STOP i q VALVE VALVE i Y 1 HOT WATER L 1 CYLINDER SYSTEM 1 1 BYPASS Irma
3. 4 gt K 7 E Y H st J KA lt po AN A XS IX i J N OX f 2 Q PI a D y l 2 j L EESE a A f n TNA Fi lt LYS y l O aa K Soy M f py E SS S IS Ki c Se il f 4 is T fA 7 h L Y P py EE E d ey 21 Fig 4 1 TECHNICAL INFORMATION 4 2 Main diagram 31 32 17 33 E La fs F 14 15 t Lag s N 0 00 7 0 00 0 aad 28 ed 0 ocho o hoodoo DP 16 K As JL t 26 Z S G 22 ep 23 t A l ect 7 y5 6 4 Fig 4 2 4 C h flow pipe 13 Main circuit drain valve 5 Gas inlet valve 14 Flue temperature probe NTC 6 C h return pipe 15 C h flow temp probe NTC 7 Condensate drain pipe 16 C h return temp probe NTC ETP TECHNICAL INFORMATION 17 Condensing heat exchanger 18 Condensing heat exchanger air purger valve 19 Safety thermostat 20 Flame detecting electrode 21 Air manifold 22 Gas valve 23 Gas valve inlet test point 24 Control box containing External tem perature probe terminal block remote terminal block d h w tank terminal block power supply terminal block external contro
4. 57 7 6 Checking the gas supply pressure 57 7 7 Checking the inlet pressure 57 7 8 Lighting the boiler 08 58 7 9 Enabling functioning of the external temperature probe by the remote control 59 7 10 Setting the K coefficient of the external temperature probe 0040 60 7 11 Setting the pump post circulation 62 7 12 Selecting the reignition frequency 64 7 13 Checking the ignition device 66 7 14 Checking the flue system 67 7 15 Checking the condensate drain pipe 67 7 16 Instructing the user 0005 67 7 17 Adjustment of useful c h output for Activ A 200V Activ A 250V On anaa 67 LAB SOWING e eT i ces eenei 69 GAS CONVERSION 005 71 8 1 WaltingS 6 SER eT T 6 tec ETRE aire 71 8 2 Operations and gas setting 71 MAINTENANCE 02000 ee eeee 73 9 1 WalminGSs i E SZ aranne de cer RRR eee aa 73 9 2 Dismantling the external panels 73 9 3 Reassembly the external panels 74 9 4 Emptying the c h system 74 9 5 Cleaning the condensing primary exchanger aNd the DUNNO seian TSR aE ee E 75 9 6 Check the pressure of the heating expansion VOSSE s c ic sedis eda E LEE Gin km R 75 9 7 Checking the flue expulsion pipe 76 9 8 Combustion analysis check 76 9 9 Checking the condensate drai
5. Exhaust temperature Values refer tests with a 1 m flue working at the nominal heat input Fuchsia Fucsia CO2 contents Fuchsia Fucsia Nominal heat input 12 0 ICO2 content with gas G20 range z 8 9 9 8 min max CO2 content with gas G31 range min max oe ae Minimum heat input 5 9 Power consumption COS content with gas G20 range min max 8 2 9 0 Protection degree CO2 content with gas G31 range External fuse rating min max 9 2 10 2 Internal fuse rating INSTALLATION Other specifications 60 100 Twin split pipes 80 80 eight dry lo Root 80 125 ater volume in the boiler up to 1 bar Nominal heat flow rate 12 Exhaust temperature 62 Mass flow rate 0 0053 25 TECHNICAL INFORMATION 4 4 Technical data Activ A 150V Central heating Min Max flow temperature settings C kPa Maximum pressure Nominal gross Minimum pressure Minimun net Pressure loss in 1000 I h Minimun gross Seasonal effiency G20 Seasonal effiency G31 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m G31 46 34 MJ kg TB referred to the gross calorific value at 15 C and 1013 25 mbar G20 37 78 MJ m G31 50
6. Cylinder Z O lt l z L dp _ 10 way z junction box N Wu Z oer et ame LO LS SFO SYS LOS 230V a c AIA lANTANAI IAN IAN IA I 1a Electric supply Switched 3 Amp fused R S G ee o e e e e Room thermostat Spur 1 2 3 4 5 6 7 8 9 10 Frostat MAN N terminal block LI T el Oe RH HTG Heating G T G HW ON HotWaterON HW OFF HotWaterOFF Valve colour key 3 5 BU Blue 22 GRYE Green Yellow GY Grey 8 6 Oran remove room OR prange thermostat link 1 BN Brown Programmer L Fig 6 24 Permanent live Y plan 52 INSTALLATION Cylinder Room thermostat thermostat 4 BU 2 A Bos c 8 GRYE 3 7 WH 5 Electric supply 2 GY 7 Room thermostat 4 6 Frosta OR 8 terminal block 2 lt OHO L ao 1 N E CH 3 s lt 0 N 2 Q MAINS 2 SES Switched 3 Amp fused L spur L N Mid position diverter valve Room thermostat Cylinder zZ Q l
7. Er 09 gt Faulty flue temp probe NTC Er 12 Fauty c h temp probe NTC return Boiler Stand By anti freeze protection activated Boiler waiting for heat request Boiler in winter mode The primary circuit temperature is dis played Boiler on demand for c h power APPLIANCE DESCRIPTION LCD FUNCTION LCD FUNCTION Burner ignition spark Flame present Burner on hH D M P iJ Boiler in anti freeze phase bP flashing temperature flashing H L K I Ly Boiler in antifrost phase AF flashing temperature flashing E H Sil Set c h all other symbols are disabled LU LU L LU 1 Pump activated for the post circulation phase Po flashing tem perature flashing Pa i 1 L l Sanh L mmn Delayed burner ignition for setting the system uu flashing tempera ture flashing sie A Spins Reset baal l IR Boiler in chimney sweep functioning mode The chimney sweep is activated by setting parameter 09 01 and is visualised by the temperature digits and the radiator reset symbols flashing alter natively Thermostat Delayed Boiler test performing Useful output limita D R tion temp difference between probes higher L l than 25 C Boiler test performing Ia gt lt gt Flame detection error An flasching error flashing
8. Maximun condensing Minimun condensing Values subject to tolerance z lt a a e as supply pressures Nom Min Max Nom Min Max 30 Gas rate maximum TECHNICAL INFORMATION Flue gas figures Nominal heat input ICO2 content with gas G20 O2 content with gas G20 CO content with gas G20 Exhaust temperature Values refer tests with a 1 m flue working at the nominal heat input CO2 contents Nominal heat input 25 0 CO2 content with gas G20 range min max 8 9 9 8 CO2 content with gas G31 range min max 9 9 10 8 Power consumption Minimum heat input 6 4 Protection degree External fuse rating Internal fuse rating 60 100 G Twin split pipes 80 80 G Roof 80 125 Nominal heat flow rate 25 Exhaust temperature 75 Mass flow rate ICO2 content with gas G20 range min max 8 2 9 2 CO2 content with gas G31 range Other specifications 9 2 10 2 eight dry ater volume in the boiler up to 1 bar Ta INSTALLATION Z O pam lt a e GENERAL REQUIREMENTS 5 GENERAL REQUIREMENTS Our Company supports the Benchmark initiative The Benchmark Log Book is located at the back o
9. El 60 100 mm Fig 6 13 In the last section the fumes are expelled through a vertical section Extensions and elbows can be added to ex tend the kit s length Maximum equivalent length a b Fig 6 13 of 15 metres can be achieved utilising extensions Each additional elbow reduces the overall acceptable length of the flue system as fol lows 45 60 100 mm reduce length by 0 5 m 90 60 100 mm reduce length by 1 m 45 60 mm reduce length by 0 65 m 90 60 mm reduce length by 0 85 m 6 9 Electric connection Unscrew screws N and remove the front panel O by pulling it and pushing it to wards the top so that it is freed from the top housing Fig 6 14 Age Z O Ke lt a e INSTALLATION S Fig 6 15 Electric power supply connection e Connect the electric power supply ca ble coming from the fused spur isolation switch to the power supply terminal block of the boiler Fig 6 16 keeping the same connections for the live brown wire and the neutral blue wire External 3A fuse or fused plug with same current rating is recommended Do not connect live wires to terminals to which the room thermostat must be connected Fig 6 14 gt Connect the earth cable yellow green to an effective earth plant The earth cable must be the A longest of the electric power supply cables Z O lt a a no e Identify the terminal b
10. 68 Mass flow rate ICO2 content with gas G20 O2 content with gas G20 CO content with gas G20 Exhaust temperature Values refer tests with a 1 m flue working at the nominal heat input CO2 contents Nominal heat input 20 0 CO2 content with gas G20 range l 8 9 9 8 min max CO2 content with gas G31 range min max a8 18 Minimum heat input 5 9 CO2 content with gas G20 range R 8 2 9 2 min max COS content with gas G31 range 9 2 10 2 Other specifications eight dry ater volume in the boiler up to 1 bar 99 INSTALLATION TECHNICAL INFORMATION 4 6 Technical data Activ A 250V Central heating Min Max flow temperature settings C kPa Maximum pressure Nominal gross Minimum pressure Minimun net Pressure loss in 1000 I h Minimun gross Seasonal effiency G20 Seasonal effiency G31 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m G31 46 34 MJ kg TB referred to the gross calorific value at 15 C and 1013 25 mbar G20 37 78 MJ m G31 50 37 MJ kg The value is used in the UK Government s Standard Assessment Procedure SAP for energy rating of dwellings The test data from which it has been calculated have been certified by a notified body
11. The lower part shows how to realize a sys tem that provides independent timed and thermostatic control of heating and hot wa ter In Fig 6 24 the boiler is permanently con nected to the main supply The boiler op eration is controlled by the external control terminal block In Fig 6 25 the boiler is not permanently connected to the supply line The boiler op eration is controlled by switching the mains supply In this case when the boiler is switched off some important features like the antifreeze system the monitoring of the boiler by the operation lights the post circulation of the pump etc are completely deactivated For these reasons it is advisable to use the first diagram Fig 6 24 51 Z O E lt a ee INSTALLATION Cylinder Room thermostat thermostat 4 BU 2 A B C 8 GRYE 3 5 7 WH 5 2 GY 7 Electric supply 4 6 Room thermostat OR 8 Frosta terminal block 1 2 lt pe 919 L o O 1 2 3 Se L 3 4 1 e ae SES 3 8 ae S 5 amp lt 89 7 2 S S MAINS Programmer 230V a c 1 Switched 3 Amp fused L____ spur Mid position BL diverter valve Room thermostat
12. 9 9 Checking the condensate drain pipe The condensate drain pipe 25 Fig 9 8 does not require any particular mainte nance but just check e That no solid deposits have formed if so remove them e That the condensate drain piping is not clogged Unscrew the plug to clean inside the pipe 76 lt Removal e Unscrew the screws Tand remove the plate S Fig 9 9 Remove the forks Rand remove the con densate trap 25moving it downwards Fig 9 8 I py M lu A A Fig 9 9 9 10 Visual inspection of appliance Visually inspect all water joints seals and connections for any evidence of leakage and retighten grease or replace them as necessary MAINTENANCE 9 11 Checking the gas supply pressure Check appliance for gas tightness Recheck operational pressures as de scribed in section Checking the gas supply pressure to page 57 of this manual 9 12 Waiter inhibitor concentration Where chemical products are used the level of water treatment should be checked on an annual basis and re treated after full or par tial drain down A conductivitymeter can be used to check the correct concentration of inhibitor in the heating water 9 13 Setting the boiler chimney sweep function With the boiler set in chimney sweep mode it is possible to exclude some boiler auto matic functions making check and control operations easier e Enter in programming mode by pressing keys 9 10 11 Fig 9 10 for 10 se
13. PUMP Wi APPLIANCE He TERMINAL 3 wAY LHL t n DRAIN X 1 _BOLCK 1 LOCKSHELD W VALVE S VALVE 1 per ee II THT 1 1 Room 1 MOTORIZED Soa THERMOSTAT SWITCHED VALVE i CH DHW H 2CHANNEL on PROGRAMMER RETURN Fig 5 10 5 10 Electrical supply Warning this appliance must be earthed External wiring to the appliance must be carried out by a competent person and be in accordance with the current I E E Regula tions and any local regulations which apply Reference should be made to the current ETCI rules for electrical installations For Ireland IE refer to 1 S 813 2002 The boiler is supplied for connection to a 230 V 50 Hz supply The supply must be fused at 3A The method of connection to the electricity supply must facilitate complete electrical isolation of the appliance by the use of a fused spur isolation switch Its installation permits a complete switching off in the con DRAIN y pran f ditions of the overvoltage category III Alter natively it can be used a 3A fused three pin plug and unswitched shuttered socket outlet both complying with BS 1363 The point of connection to the electricity supply must be readily accessible and adja cent to the appliance except where the ap pliance is installed in a bathroom this must then be sited outside the bathroom 40 INSTALLATION 6
14. bend Fig 6 8 B Coaxial pipe 60 100 mm This kit allows the boiler exhaust axis to be lifted by 635 mm The length must be no less than 0 5 m whilst the maximum with the aid of exten sions must not exceed 10 m in horizontal and however the terminal must always ex haust horizontally 45 Z O Te lt a e Te lt a e INSTALLATION Additional bends at 45 or 90 Fig 6 8 C Coaxial bends 60 100 mm These bends when used with the pipe re duce the maximum length of the flue pipe by For the bend of 45 loss For the bend of 90 loss 0 5m im Exhaust intake split pipes kit 80 mm Fig 6 9 Fig 6 10 Fig 6 11 This kit allows the flue exhaust to be sepa rated from the air intake The terminals can be inserted in the rele vant chimneys planned for such purpose or discharge fumes or pick up air directly from the wall Note When using the twin pipe configura tion a restrictor 50 mm must be fitted be tween the boiler and the air intake adapter Fig 6 9 Restrictor is supplied within the twin pipe kit box aot adapter O LEARY K Gasket gt Restrictor Fig 6 9 N B The air intake and the flue outlet must not terminate on opposite sides of the building EN 483 AG Type C13 Fig 6 10 The minimum length of the pipes must be less than 0 5 m whilst the maximum sum of routes A B that can be
15. brush and remove the dirt using a suction device The burner does not require any particular maintenance just remove dust using a bris tle brush More specific maintenance will be valuated and carried out by an Authorised Assistance Centre Technician Attention to reassemble repeat the operations carried out in re verse order Be careful not to damage ithe OR gasket of the gas pipe when inserting the pipe in Air box After any service operation on the components of the gas cir cuit check all the connections for gas leaks 9 6 Check the pressure of the heating expansion vessel Drain the heating circuit as described in section Emptying the c h system to page 74 and check that the expansion vessel pressure is not less than 1 bar If the pressure is less see to correct pres surisation 75 U L Zz lt Z W z lt MAINTENANCE MAINTENANCE 9 7 Checking the flue expulsion pipe Have the integrity of the flue outlet pipe air intake pipe checked periodically at least once a year For all the above maintenance operations it is advisable to call an approved Service Engineer 9 8 Combustion analysis check It is recommended that a combustion analy sis check is made Remove the plug as in dicated in Fig 9 7 and carry out combustion analysis check and adjustment if necessary as described in the section Gas valve Ad justment of the Service manual Flue analysis Fig 9 7
16. 6 If it does not comply with the required pres sure check the gas supply line and governor for faults and or correct adjustment Where the boiler is connected to a gas supply which has a zero set governor then it is necessary under the Gas Safe Installation and Use Regulations 26 9 to perform a combustion analysis test for CO CO The limits for the boiler is given in section Technical data Activ A 120V to page 24 section Technical data Activ A 150V to page 26 section Technical data Activ A 200V to page 28 and section Technical data Activ A 250V to page 30 CO contents other flue gas figures and complete the Certif icate of Exemption section of the Bench mark Important after the checks all of the test points must be sealed 7 8 Lighting the boiler Some products incorporate an anti cycling time delay It is normal when first switch ing the boiler on for the boiler to operate on heating for a few seconds then switch 58 off After 3 4 minutes has elapsed the boiler will then re ignite and operate perfectly nor mally If external controls are fitted e g Time clock room thermostat ensure they call for heat e Electrically power the boiler by switching on the double pole isolation switch The LCD will display the symbol Fig 7 7 Fig 7 7 e Press the 9key for 2 seconds until 1L symbol appears on the display Fig 7 8 12 11 Fig 7 8 The LCD display
17. Observe minimum static head requirements f AUTOMATIC AIR RELEASE ROOM AIR VENT NON RETURN VALVE TANK AIR VENT THERMOSTAT EG THERMOSTAT m VALVE Et a 1 4 I 1 Y TET N 1 t TT R 1 1 MOTORISED 1 HOT WATER ih VALVE fa 1 CYLINDER i 1 1 r 3 WAY i EEE SYSTEM VALVE BYPASS pi l FILL POINT S i KA NON RETURN 1 S toa EE TIS VALVE T 4 RETURN I 1 1 LOCKABLE PUMP PRESSURE 1 TERMINAL BALANCING W GAUGE aii L BOLCK VALVE A r Le VH i i VALVE i 1 4 A 1 I CH DHW P DRAIN 2CHANNEL EXPANSION 1 COCK PROGRAMMER 1 r 4 VASSEL A 1 i CH DHW 1 1 J SWITCHED LIVE S I TT _ APPLIANCE Fig 5 7 Pressure gauge A pressure gauge with a set pointer and covering at least 0 to 4 bar 0 to 60 Ib in shall be fitted permanently to the system in a position where it can be seen when filling the system Water Makeup Provision should be made for replacing wa ter loss from the system using a make up bottle mounted in a position higher than the top point of the system connected through anon return valve to the return side of either the heating circuit or the hot water cylinder Alternatively provision for make up can be made using a filling loop Mains water feed central heating There must be no direct c
18. S q 2 Ambient N L S iS ari Fig 6 20 Thermostat iN lt o E1 S axe iL z ROV rating 2 T A ssp N OO 2 S a S L s 5 L L E 3 als g 3 2 l i A 1 E 1 5 Zone valve with micro contact Fig 6 21 Fig 6 23 Use the ambient thermostat s clamps indi cated in Fig 6 16 and Fig 6 17 to connect the zone valve Insert the electric cables of 50 INSTALLATION the zone valve s micro switch contacts in clamps 1 and 3 of the ambient thermo stat s terminal block as in Fig 6 17 Remove the electric jumper between 1 and 3 A The route of the boiler and ambient thermo stat s electric power supply cable or wires must follow the route indicated in Fig 6 17 Allow the cables to exit the boiler by using the relevant cable clamps Q Fig 6 18 Be careful not to connect pow ered cables on clamps 1 and 3 6 12 Connecting a system boiler to a cylinder Two schematic wiring diagrams are given in this section showing two possible ways to connect an external programmer to a mid position diverter valve to provide independ ent timed and thermostatic control of heat ing and hot water Fig 6 24 and Fig 6 25 are divided in two parts The upper shows the single compo nents used on the diagrams with their con nection to the 10 way junction box The bold numbers represent the terminal of the junc tion box where the component must be con nected to
19. Z IRR S S Saers ORO 1S Peo oe 3 CHO TeS H 1 S Fig 6 19 SS s lc 6 11 Connecting the room thermo Fig 6 17 stat or zone valves Use the clamps indicated in Fig 6 16 to Allow the cables to exit the boiler by using connect the ambient thermostat 49 INSTALLATION Remove the electric jumper present be tween 1 and 3 when connecting any type of ambient thermostat Room thermostat with delay resistor 230V rating The electric cables of the ambient thermo stat are inserted between clamps 1 and 3 y N as in Fig 6 20 or Fig 6 21 or Fig 6 22 Q Be careful not to connect pow A ered cables on clamps 1 and Q 3 ORO LS Potential clean contacts N Fig 6 22 of the Ambient OL Ig Thermostat D Q Q OL The thermostat must be insulation class II L 8 ON O or must be correctly connected to earth 3 E T SA Q OC Connecting the zone valves controlled gt 2 T SES ON by the ambient thermostat 2 1
20. are advised to have the following checks car EE USEFUL ADVICE ried out condensing heat exchanger e burner e exhaust fume duct and flue pressurisation of the expansion tank e filling up of the central heating circuit e bleeding of air from the central heating system general check of the appliance s opera tion 3 5 External cleaning Before carrying out any clean Q ing disconnect the appliance from the electrical mains using the fused spur isolation switch fitted adjacent to the appliance To clean the external panels use a cloth soaked in soapy water Do not use solvents abrasive powders or sponges Do not carry out cleaning of the appliance and or its parts with readily flammable sub stances for example petrol alcohols naph tha etc 3 6 Operational faults If the boiler does not function and a code that alternates between the letter Er and the writing reset see LCD general features to page 10 appear on the LCD display it indi cates that the safety lock out has stopped the boiler The display background flashes Fig 3 3 AALY a v T Eee SE y I l L L UK N ZK N Fig 3 3 For the first lighting up and following main tenance procedures for the gas supply it may be necessary to repeat the resetting operation several times so as to remove the air present in the pipe work Safety lock out may occur even in case of a blockage of the condensate
21. at the same time for 10 seconds to exit the pro gramming mode 63 Ke lt a a no COMMISSIONING Programming using the REMOTE con trol e Press button P for more than 3 seconds to enter in INFO mode Fig 7 28 P L O ps w 3 a Fig 7 28 e Press buttons and Dc at the same time to enter transparent programming Fig 7 29 D OG l l Fig 7 29 e Press buttons ge v or E A to display the PM11 program of the pump post circulation Fig 7 30 Fa 7 eS M D 7 Ke PM ff Fig 7 30 64 e To modify the programmed SET act on buttons a or v A and wait for the programmed number to flash Fig 7 31 Each step increased or decreased corre sponds to 1 second se a TT Ln EL m l l P Fig 7 31 gt To exit programming press button P 7 12 Selecting the reignition fre quency When the boiler functions in normal on off heating mode the minimum time between two ignitions is set at three minutes re igni tion frequency This time can be changed by a minimum of zero to a maximum of eight and a half min utes by acting on programming both from the panel controls and the remote control gt Enter the programming mode by press ing keys 9 10 11 Fig 7 32 for 10 sec onds at the same ti
22. displays the boiler temper ature primary circuit and the WNMLsym bol the C symbol slowly flashes Fig 7 9 1 D C JU gt Open the gas cock gt Make sure that the ambient thermostat is in the heat request position Fig 7 9 COMMISSIONING e Check the correct functioning of the boil er e Check the gas pressures and flow rates as shown in section GAS CONVER SION to page 71 of this booklet e Check that the condensate produced dur ing functioning fills the pipe and is regu larly drained in the draining plant pipe e Switch off the boiler by pressing the 9 Fig 7 8 key for 2 seconds until the 7 Z sym bol appears on the LCD display Fig 7 7 The boiler will now go through an ignition sequence and the burner will light If after four ignition attempts about four minutes the boiler does not function and a code that alternates between the letter Er and the writing reset appear on the LCD display it indicates that the safety lock out has stopped the boiler The display back ground flashes Fig 7 10 Nat X es a og i PH UL KK N ZKL N Fig 7 10 Press the reset key on the boiler control panel 9 Fig 7 8 to reset its functioning For the first lighting up and following main tenance procedures for the gas supply it may be necessary to repeat the resetting operation several times so as to remove the air present in the pipework After five consecutive
23. drainage e g plugged drain pipe It is advisable to check the condensate drainage pipe and traps for cleanness Press the reset key on the boiler control panel 9 Fig 3 1 to reset its functioning In this case and in case of per Q sistent lock out call a competent and responsible Service Engi neer Other operational faults signalled on the LCD display If the LCD display displays a code that al ternates between the letter Er and the symbol the boiler has an anomaly that can not be reset The display background flashes Fig 3 4 ye USEFUL ADVICE EE a l Me TLIL Fig 3 4 ALG In order to reset good function ing of the boiler call a compe tent and responsible Service Engineer Noise due to air bubbles are heard dur ing operation You should check that the pressure on the pressure gauge is not below the correct set ting If required top up the system correctly as described in section Refilling procedure to page 12 of this manual Bleed any air pre sent in the radiators if necessary The pressure on the pressure gauge has gone down It is necessary to top up the appliance with water again so as to raise the pressure to an adequate level as described in the sec tion Refilling procedure to page 12 of this manual If topping up with water has to be done very frequently have the system checked for leaks Water comes out of the pressure relief valve Check o
24. exposed to weather conditions v During the operation it is quite normal that the boiler produces a white plume of conden sation vapour from the flue terminal This is due to the high efficiency of the appliance and may be particularly evident with low outdoor temperatures Safe handling of substances Biasi products are manufactured in accordance with ISO 9001 and do not and will not contain any hazardous materials or substances such as asbestos mercury or C F C s The appliance packaging does not contain any substances which may be considered a hazard to health When handling or lifting always use safe techniques e keep your back straight bend your knees don t twist move your feet avoid bending forwards and sideways and sand keep the load as close to your body as possible Where possible transport the boiler using a sack truck or other suitable trolly Always grip the boiler firmly and before lifting feel where the weight is concentrated to estab lish the centre of gravity repositioning yourself as necessary Combustion chamber panels Material mineral fibres Known hazards Some people can suffer reddening and itching of the skin Fibre entry into the eye will cause foreign body irritation which can cause severe irritation to people wearing contact lenses Irritation to respiratory tract Precautions Dust goggles will protect eyes People with a history of skin complaints may be particularly susceptible to irrit
25. flashes Fig 7 40 AALT L SS oY gt a gt nr E A I l U L UK N ZK N Fig 7 40 COMMISSIONING Press the reset key on the boiler control panel 9to reset its functioning 7 14 Checking the flue system The flue system should be visually checked for soundness Check all clamps gaskets and fixing are secure and tight Ensure that the flue terminal is sited cor rectly in accordance with the flue fitting in structions and Fig 5 1 on page 33 of this manual To carry out a combustion check refer to the instructions given in the section Com bustion analysis check to page 76 of this manual Reference figures are given in the Techni cal Data section page 26 of this manual Flue gas figures 7 15 Checking the condensate drain pipe Check the soundness and integrity of the condensate drain pipe Verify the cleanness and correct filling of the condensate traps 7 16 Instructing the user Hand over this combined User amp Installation manual and the Service manual to the end user and explain how to use the unit Take the User step by step through the light ing instructions Show the User how to switch off the appli ance quickly and indicate the position of the electric supply isolator Explain the proper use and adjustment of all system controls this will ensure the great est possible fuel economy Explain the function and use of the function selector Explain and demonstra
26. for this particular product However consideration must be given to clearance requirements for maintenance section Precautions for installation to page 41 and under no circumstances must stored articles be allowed to come into con tact with the boiler or flue pipe 5 7 Condensate drain Ensure that the condensate discharge com plies with the national or local regulations in force The condensate pipe must be fitted in ac cordance with Building Regulations Drain pipe material should be resistant to acid as the condensate is slightly acid with a pH less than 6 5 The boiler includes a trap 250n page 21 that prevents the combustion products en tering the drain The boilers incorporate a condensate trap with a 75 mm seal to comply with BS6798 2000 The schematic diagrams of possible con nections are given in Fig 5 2 and Fig 5 3 The length of the condensate pipe should be kept at minimum any external pipe should not be more than 3m in 32mm pipe and insulated to prevent freezing To avoid condensate being trapped e the drain pipe should be run with a fall of at least 2 5 45 mm m away from the boiler e the number of bends and joints should be kept at minimum e the drain pipe should be adequately fixed to prevent pipe sagging If a part of the drainpipe runs externally this part should be kept as short as possible and protected to reduce the risk of freezing Connection of condensate drainage pipe to in
27. result in the customer in the drain system is correctly filled with experiencing a harmonic noise from the water boiler In these circumstances it may be necessary to reset the burner gas pres Fill the built in condensate trap sures in accordance with section Gas L by removing the flue elbow and Valve of the Service Manual pouring a cupful of water into It should be noted that a Flue Gas Ana the flue outlet Fig 7 4 lyser is required for this procedure 7 7 Checking the inlet pressure gt Remove the boiler body s front panel see section Dismantling the external panels to page 73 e When the boiler is switched off out of or Fig 7 4 der check the supply pressure by using the 23point in Fig 7 6 and compare the value An alternative to the removal of the flue el read with that reported on the Gas supply bow pour the water through the flue sam pressure table in section Technical data pling point Fig 7 5 Activ A 12O0V to page 24 section Techni Sampling points cal data Activ A 15OV to page 26 section Flue exhaust Technical data Activ A 200V to page 28 and section Technical data Activ A 250V to page 30 e Close well the pressure point 23in Fig 7 6 Z O am lt a e Fig 7 5 7 6 Checking the gas supply pressure This boiler has been factory tested to the highest quality control standards and set for the minimum and maximum 57 INSTALLATION COMMISSIONING 23 Fig 7
28. ses 14 3 USEFUL ADVICE 16 3 1 Central eating s s ete 8 6 sce 696 K NT as teens 16 3 2 Frostiprotection 2 2 6 apere sistent beens 16 3 3 Condensate drain 0 0 00 16 3 4 Periodic maintenance 16 3 5 Externalicleaning a vr scree ceded 2 65 17 3 6 Operational faults 0004 17 3 7 Displaying in INFO mode 18 3 8 Remote anomaly code 0 19 3 9 Flue probe soare cc ecndg See eee nek 19 4 TECHNICAL INFORMATION 21 AT OVONIOW cosca resrutt SERNA SENE 21 42 Maindiagiamis a eniai acs seine at K 5 9 T 57 T ae 22 4 3 Technical data ActivA120V 24 4 4 Technical data ActivA150V 26 4 5 Technical data Activ A 200V 28 4 6 Technical data ActivA250V 30 5 GENERAL REQUIREMENTS 32 5 1 Related documents 00 32 52 Location of appliance 0 32 5 3 Fluesystem 0 eee eee eee eee 32 6 4 Gas Supply r ae nasse E TESERO panne 33 5 5 JAI SUDDIY idre et paisa ieee TE KLE ed wilh 34 5 6 Ventilation sci cacaesaeck seers kenten 34 57 Condensate dras cine ca esa eon een aon 34 5 8 Water circulation c h aana anaana 35 59 Watertreatment 1 sisi de 9 R ins titanii 39 5 10 Electrical Supply cina cone rtie eai ek tales 40 6 INSTALLATION x x eee 41 GA WAMINGS acini dae E 6 59 9 99 ciated teta 41 6 2 Prec
29. the boiler is closed and that the appliance is not powered A C Fig 8 1 e Carry out gas conversion by correctly re placing the gas restrictor Fig 8 2 referring to the section Technical data Activ A 120V to page 24 section Technical data Activ A 150V to page 26 section Technical data Activ A 200V to page 28 and section Technical data Activ A 25OV to page 30 o gt Gas restrictor Attention to reassemble repeat the operations carried out in re verse order Be careful not to dam age the OR gasket of the gas pipe when inserting the pipe in the air box air gas mixer After any serv ice operation on the components of the gas circuit check all the connections for gas tightness The factory boiler is set for functioning with Natural gas G20 To set the functioning of the boiler with LPG G31 gas carry out the following settings gt Enter in programming mode by pressing keys 9 10 11 Fig 8 3 for 10 seconds at the same time until the letters Pr that al ternate with code 01 are displayed on the LCD display indicating that parameter 01 Fig 8 4 has been activated 74 2 U L Z lt Z W z lt UU L Z lt Z W lt GAS CONVERSION Fig 8 3 Re ne D L MI Ls 1 KN KL N Fig 8 4 e Scroll the various parameters using keys 10or 11until the letters Pr that alternate with code 05 are displayed o
30. 37 MJ kg The value is used in the UK Government s Standard Assessment Procedure SAP for energy rating of dwellings The test data from which it has been calculated have been certified by a notified body Maximun condensing Minimun condensing Values subject to tolerance z lt a a e as supply pressures Nom Min Max Nom Min Max 26 TECHNICAL INFORMATION Gas rate maximum Flue gas figures Nominal heat input Fuchsia Fucsia Fuchsia Fucsia Power consumption Protection degree External fuse rating Internal fuse rating 60 100 G Twin split pipes 80 80 Roof 80 125 Nominal heat flow rate 15 Exhaust temperature 62 Mass flow rate ICO2 content with gas G20 O2 content with gas G20 CO content with gas G20 Exhaust temperature Values refer tests with a 1 m flue working at the nominal heat input CO2 contents Nominal heat input 15 0 CO2 content with gas G20 range l 8 9 9 8 min max CO2 content with gas G31 range min max 9 9 10 8 Minimum heat input 5 9 ICO2 content with gas G20 range R 8 2 9 0 min max COS content with gas G31 range 9 2 10 2 Other specifications eight dry ater volume in the bo
31. H lt a p Te lt a a e COMMISSIONING e Gradually open stopcock at the filling point connection to the c h system until water is heard to flow do not open fully Close the condensing heat exchanger air purger valve 18 Fig 7 2 when water be gins to flow out Open each radiator air vent starting at the lowest point of the system and close it only when clear water free of bubbles flows out Purge the air from the pump by unscrew ing the pump plug release the pump shaft by turning in the direction indicated by the arrow on the information plate Replace the pump plug Continue filling the system until the pres sure gauge registers 2 0 bar Clear any locks and check for soundness Check the operation of the pressure relief valve Fig 7 3 by lifting the lever or turn ing the knob on the valve gently to ease the valve of its seat Checking that water is discharged re lease the lever and ensure that the valve seats correctly and does not leak Where this is not possible a manual check should be carried out Release the cold water to the initial design pressure Pressure relief lever Pressure gauge capillary Pressure gauge Fig 7 3 NOTE THESE COMPONENTS ARE NOT SUPPLIED BY BIASI UK LTD Do not use the pressure relief valve to drain the system be cause dirt or debris could pre vent the valve seating correctly If the valve leaks or sticks closed th
32. INSTALLATION 6 1 Warnings The use of gas appliances is Q subject to statutory control it is essential to observe the current regulations and laws in force see also chapter 5 The appliance must discharge combustion products directly outside or into a suitable ex haust duct designed for this purpose Combustion products must be discharged using origi nal flue kits only since they are integral parts of the boiler The appliance is not suitable for receiving condensate coming from the combustion products evacuation system Before installing the boiler on an existing c h system flush it out thoroughly before fitting the boiler This procedure is to remove the presence of any residues or impurities that could com promise good functioning of the boiler After washing it is necessary to treat the plant The conventional warranty does not cover any problems deriving from failure to com ply with such provisions For Propane the appliance must also con form with the requirements of the distribu tors and comply with current Regulations and laws in force The safety relief valve and the condensate drain must be connected to a suitable drain or discharge in a safe manner The electrical wiring must conform with cur rent Regulations in particular e the boiler must be earthed using the cor rect bonding clamp e a fused spur isolation switch must be in stalled near to the boiler that allows com plete disconnecti
33. REDUCER BEEN FITTED YES NO WHAT TYPE OF SCALE REDUCER HAS BEEN FITTED FOR THE DOMESTIC HOT WATER MODE MEASURE amp RECORD GAS RATE m3 hr ft hr MAXIMUM BURNER OPERATING PRESSURE IF APPLICABLE N A mbar COLD WATER INLET TEMPERATURE C HOT WATER OUTLET TEMPERATURE C WATER FLOW RATE Its min FOR CONDENSING BOILERS ONLY CONFIRM THE FOLLOWING THE CONDENSATE DRAIN HAS BEEN INSTALLED IN ACCORDANCE WITH THE MANUFACTURER S INSTRUCTIONS YES FOR ALL INSTALLATIONS CONFIRM THE FOLLOWING THE HEATING AND HOT WATER SYSTEM COMPLIES WITH PARTS 4 amp 7 OF THE BUILDING REGULATIONS THE APPLIANCE AND ASSOCIATED EQUIPMENT HAS BEEN INSTALLED AND COMMISSIONED IN ACCORDANCE WITH THE MANUFACTURER S INSTRUCTIONS IF REQUIRED BY THE MANUFACTURER HAVE YOU RECORDED A COCO RATIO READING N A YES CO COz RATIO THE OPERATION OF THE APPLIANCE AND SYSTEM CONTROLS HAVE BEEN DEMONSTRATED TO THE CUSTOMER THE MANUFACTURER S LITERATURE HAS BEEN LEFT WITH THE CUSTOMER COMMISSIONING ENG S NAME PRINT Gas Safe Register ID No SIGN DATE SERVICE INTERVAL RECORD It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below Service Provider Before completing the appropriate Service Interval Record below
34. The by pass may be calibrated to assure a minimum flow of 200 300 Its hr through the msin heat exchanger The fitting of an external by pass helps to prevent and limit system noise Air release points These must be fitted a tall high points where air will natural collect and must be sited to facilitate complete filling of the system Safety valve open vent system A safety valve need not be fitted to an open vented system See Safety valve sealed system for sealed systems Pump The pump should be fitted on the flow pipe from the boiler and have isolating valves each side A variable duty pump should be set to give a temperature difference of no greater than 20 C between the flow and return with the boiler controls set at MAX which is approximately 80 C to give a flow rate as shown in Fig 5 5 See Fig 5 4 for pressure loss of the boiler High resistance microbore systems may re quire a higher duty pump Flow rate If it is necessary to alter the flow rate the system can be fitted with a lockable balanc ing valve in the main flow or return pipes 36 shown as valve A in Fig 5 7 The flow rate through the boiler must not be allowed to fall below that given in Fig 5 5 Flow Rate MINIMUM FLOW RATE 300 l h This is equal to 20 C differential at minimum heat input Fig 5 5 Open vented water system The boiler must be supplied from an unre stricted water supply taken from a feed and expansi
35. Wall hung fanflue roomsealed high efficiency gas boiler User manual and Installation instructions ActivA Models G C Appl No Activ A 120V 41 583 14 Activ A 150V 41 583 15 Activ A 200V 41 583 16 Activ A 250V 41 583 17 ergy soe recommended ABIASI WARNING Congratulations on your choice ActivA are condensing high efficiency sealed chamber fan flue gas boilers They are fully electronically controlled and have electronic ignition The materials they are made of and the control systems they are equipped with give you safety a high level of comfort and energy savings to allow you to get the greatest benefit out of independent heating ActivA allow a higher efficiency by reducing the flue gas temperature such that the water vapour formed during the combustion is condensed out This allows a gain of useful heat that otherwise would be lost OP e PE DANGER The indications marked with this symbol must be observed to pre vent accidents of mechanical or generic origin e g injuries or bruises DANGER The indications marked with this symbol must be observed to pre vent accidents of electric origin electrocution DANGER The indications marked with this symbol must be observed to pre vent the risk of fire or explosion DANGER The indications marked with this symbol must be observed to pre vent accidents of heat origin burns ATTENTION The indications marked with this symbol must be observed to prevent
36. ackground of the display is illuminated Fig 2 7 30 TTT lar 1 7 I 1 49 m o Fig 2 7 Adjustment of temperature WITHOUT the external temperature probe option al fitted Adjust the c h water flow as follows e from 25 to 35 with an external tempera ture included between 5 and 15 C e from 35 to 60 with an external tempera ture included between 5 and 5 C e from 60 to 85 with an external tempera ture less than 5 C Your qualified installer can recommend the most indicated adjustments for Your sys tem The control of the set temperature reached can be seen on the LCD display by means of the missing symbol Power request in c h power When the boiler has a power request in the c h mode the 0 symbol is displayed on the display followed by an increase of the c h water flow temperature The TIL symbol flashes Fig 2 8 14 ore U al Adjusting the c h temperature with the external temp probe installed When the external temp probe optional is installed your boiler automatically adjusts the temperature of the c h system water flow in relation to the external temperature In this case the boiler must be set by a qual ified installer see Setting the K coefficient of the external temperature probe to page 60 However if the ambient temperature is not comfortable the flow temperature of the heating plant can be increased or reduced by 15 C by acting on k
37. an 3 seconds to enter in INFO mode Fig 7 36 65 Z O a lt a lt p z Te lt a e COMMISSIONING b l TA E 1200 O a Fig 7 36 Press buttons 4 and Ch at the same time to enter transparent programming Fig 7 37 D OW l l pae te at eile CH SL N pI Fig 7 37 e Press buttons S v or ge A to display the PM10 program for selecting the igni tion frequency Fig 7 38 x a aS Il her T a es ry PM af l En S Qg f TINS PM 10 Fig 7 38 In Fig 7 38 a SET programmed at 90 is dis played corresponding to a re ignition time of about 3 minutes The adjustment field is from 0 to 8 and half 66 minutes Each step increased or decreased corre sponds to 2 seconds e To modify the programmed SET act on buttons a or v J and wait for the number programmed to flash Fig 7 39 se az Gu E l b Fig 7 39 To exit programming press button P 7 13 Checking the ignition device With the burner on high flame close the gas cock After four ignition attempts about four min utes the boiler does not function and a code that alternates between the letter Er and the writing reset appear on the LCD display it indicates that the safety lock out has stopped the boiler The display back ground
38. atic air purger fitted to the boiler You may also find it necessary to vent air from your radia tor circuit using your radiator key however be aware that excessive venting will cause the pressure in the system to drop Always ensure that the pressure gauge is set at the required pressure 2 3 Ignition e Check that the gas supply cock located in the lower part of the boiler and the valves are open Fig 2 3 position e Turn on the electricity supply to the boil er switching on the fused spur isolation switch The LCD display displays the state within which the boiler is found last mem orised Fig 2 4 L U U J Stand by pa l LU on Winter lt Fig 2 4 C h functioning e Press the key 9for 2 seconds until 1L symbol appears on the display Fig 2 5 12 11 Fig 2 5 The LCD display displays the boiler temper ature primary circuit and 1IL symbol the C symbol slowly flashes Fig 2 6 pa U JU Fig 2 6 2 4 C h circuit temperature The output temperature of c h water can be adjusted by acting on keys 10 reduce and 11 increase Fig 2 5 from a minimum of about 25 C to a maximum of about 85 C E INSTRUCTIONS FOR USE Press one of the two keys once to display the set value Press again to access the modification Signal given by the LCD display e The heating hot water flow set temper ature and the symbol IIL flash The b
39. ation High dust levels are only likely to arise following harsh abrasion In general normal handling and use will not present high risk follow good hygiene practices wash hands before touching eyes consuming food drinking or using the toilet First aid Medical attention must be sought following eye contact or prolonged reddening of the skin Thermostat Temperature gauge Description Sealed phial and capillary containing liquid Known hazards irritating to skin eyes and throat Vapour is harmful Inflammable do not extinguish with water Precautions Do not incinerate Avoid contact with broken leaking phials Do not purposely puncture First aid medical attention must be sought following eyes skin contact wash with clean water Sharp Edges Caution should be taken when handling the boiler to avoid sharp edges on the boiler Boiler installation and commissioning tips v The installation must be carried out by a qualified Gas Safety Registered Engineer who will be responsible for observing the current Regulations and the completion of the Benchmark Gas Boiler System Commissioning Checklist located at the back of this User manual Installing the boiler v Do not forget to remove the transit caps and plugs from the boiler connections these are fitted to every boiler v Keep the boiler clear of dust during installation and in particular do not allow any dust or debris to enter the top of the boiler where the flue conne
40. autions for installation 41 6 3 Installing the bracket 42 6 4 Overall dimenaiong 43 5 JOINS E E EEEE EE E EE 43 6 6 Central heating service connections 43 6 7 Fitting the flue system 45 6 8 Choice of flue rs cacceccccasew crea eee nie 45 6 9 Electric connection 47 Abbreviations used in the manual C h Central heating D h w Domestic hot water D c w Domestic cold wate Appliance category IIZH3P gas G20 20 mbar G31 37 mbar Country of destination United Kingdom GB Ireland IE This appliance conforms with the following EEC directive Gas Directive 2009 142 CE Boiler Efficiency Directive 92 42 CEE Electromagnetic Compatibility Directive 2004 108 CE Low Voltage Directive 2006 95 CE 6 10 Electric connection of pump 49 6 11 Connecting the room thermostat or zone valves 49 6 12 Connecting a system boiler to a cylinder 51 6 13 Installation of the external temperature probe Leie gt eee eae EEE 54 6 14 Electric connection between the boiler and the OXtOM Mall PODS is sei is ae ate a aeons say ais 54 6 15 Remote electric connection optional 54 COMMISSIONING 0 0000ee 55 E WANING Sa evan state nte it ax cain th E hs ide aah 55 7 2 Electrical installation 00 55 7 3 Gas supply installation 0 55 7 4 Initial filling of the system 55 7 5 Condensate pipe and traps
41. conds at the same time until the letters Pr that al ternate with code 01 are displayed on the LCD display indicating that parameter 01 Fig 9 11 has been activated 11 10 Fig 9 10 NAAN ANZ G gt od PH LU L UK K KK N Fig 9 11 Chimney sweep function at minimum output e Press keys 10and 11 Fig 9 10 at the same time until the LCD display displays the letters LP that alternate with the heat ing water temperature value e g 45 indicating the activation of the chimney sweep function at minimum output Fig 9 12 AZ NY NZ T eee UC Ba Fig 9 12 LEN LSS Chimney sweep function at maximum output in heating mode e Press key 11to vary the output in chimney sweep mode when the LCD display dis plays the letters CP that alternate with the heating water temperature value e g 99 the chimney sweep function is at maxi ay U L Z lt Z W z lt MAINTENANCE MAINTENANCE mum eventually range rated output in P heating mode Fig 9 13 eT ALALT l U K winter a j T S Fig 9 15 a D Ei A gt pe iN NN Fig 9 13 Chimney sweep function at maximum output e Press further key 11to vary again the out put in chimney sweep mode when the LCD display displays the letters DP that alternate with the heating water tempera ture value e g 99 the chimney sweep f
42. ction is made It is recommended that you put a dust sheet over the top of the boiler until you are ready to make the flue connection ae G zZ Z lt WARNING v Because every boiler is fired and tested live at the factory a small amount of water re mains within the boiler It is possible for this water to initially cause the pump to seize It is therefore recommended that the pump rotor be manually turned to free its rotation before turning the boiler on v Remember to release the auto air purge before filling the boiler See the instructions to identify the location of this device v This boiler allows to control the flow temperature of the central heating system at very low levels In case of underfloor heating system a temperature limiting device e g a safety thermostat is recommended to stop the boiler in case that the water temperature exceeds the design temperature v You are strongly advised to flush out the system both cold and hot to the British Standard BS 7593 2006 Code of practice in order to remove system and installation debris v Itis also sensible to initially fire and commission the boiler before connecting any external controls such as a room thermostat By following this procedure if you have a subse quent problem following the addition of an external control you can eliminate the boiler from your fault analysis v Ifthe boiler is fitted with a digital programmer when setting the times for automat
43. e installed in any room or internal space although particular atten tion is drawn to the requirements of the cur rent E E Wiring Regulations and in Scot land the electrical provisions of the Building Regulations applicable in Scotland with respect to the installation of the combined appliance in a room containing a bath or shower For Ireland IE reference should be made to the current edition of I S 813 2002 and the current ETCI rules for electrical instal lations Where a room sealed appliance is in stalled in a room containing a bath or shower any electrical switch or appli ance control utilising mains electricity should be so situated that it cannot be touched by a person using the bath or shower The location must permit the provision of an adequate flue and termination For unusual locations special procedures may be necessary and BS 6798 gives de tailed guidance on this aspect A compartment used to enclose the appli ance must be designed specifically for this purpose This appliance is not suitable for external installation 5 3 Flue system The provision for satisfactory flue termina tion must be made as described in BS 5440 part 1 For Ireland IE refer to 1 S 813 2002 The appliance must be installed so that the flue terminal is exposed to external air It must not be installed so that the terminal 4 39 GENERAL REQUIREMENTS discharges into an other room or space as an outhouse o
44. econds to exit the pro gramming mode At this point the plant flow temperature will follow the trend in relation to the K coeffi cient set However if the ambient temperature is not comfortable the flow temperature of the heating plant can be increased or reduced by 15 C by acting on keys 10 reduce and 11 increase Fig 7 17 C h flow temperature C 80 70 60 50 40 1 30 IB 20 20 15 10 5 0 5 10 15 20 25 External temperature C Fig 7 21 The temperature trend when changing the setting made with keys 10and 11for a K 1 5 is shown in Fig 7 21 Sequence for setting the K coefficient with the remote control connected Act on the programming of the REMOTE control to select the setting of the K coef ficient e Electrically feed the boiler by activating the bipolar switch envisioned during in Stallation e Press button P for more than 3 seconds to enter in NEU Fig 7 22 mode z627 P L eN a BIO Se 200 O Bc Fig 7 22 Press button OK amp to display the K REG window Fig 7 23 Fig 7 23 It is possible to change the value using but tons a ff and w Press button P to exit from mode INFO Fig 7 23 7 11 Setting the pump post circula tion The pump in heating function is set for a post circulatio
45. en replace it B e Close all air release valves on the c h system Inspect the boiler and the system for wa ter tightness and remedy any leaks dis covered e Cold flush the system to remove any loose particles and any system debris before starting the boiler for the first time The flushing procedure must be in line with BS7593 2006 Treatment of Water in d h w c h Systems When the installation and second fill ing are completed turn on the c h sys tem and run it until the temperature has reached the boiler operating tempera ture The system must then be immedi ately flushed through This procedure must be repeated twice more During this operation a c h flushing de tergent must be used in the quantities as specified by the appropriate manu facturer whose function it is to dissolve any foreign matter which may be in the system INHIBITION Primary Heating Circuit On the final refilling of the heating system it is important to ensure the system water is treated with a suitable scale and corrosion inhibitor in accordance with the manufactur ers instructions 56 COMMISSIONING 7 5 Condensate pipe and traps gas working pressures connected to a The full length of the condensate pipe 1 m flue and a gas supply pressure of should be check for leaks 20 mbar Before running the boiler ensure that the Any variation in gas supply pressure or built in condensate trap and any other trap flue length may
46. erson For efficient and continuous operation of the boiler you are advised to have at least once a year maintenance and cleaning done by an Approved Service Engineer Isolate the appliance from the electricity supply by turning off the fused spur isola tion switch adjacent to the appliance and turn off the gas cock before carrying out any procedures whatsoever for cleaning maintenance opening or dismantling boiler panels The Engineer should complete the Service Interval Record at the back of the manual 9 2 Dismantling the external panels Front panel Unscrew screws Aand remove the front panel Dby pulling it and pushing it to wards the top so that it is freed from the top housings Fig 9 1 and Fig 9 2 Side panels Loosen screws B F and C H in Fig 9 1 and remove the two side panels Eand Gby pulling towards the outside Fig 9 1 Control panel Turn the controls panel as shown in figure Fig 9 3 to access in an optimal manner the components inside the boiler U L Z lt Z Lu z lt 73 UU L Z lt Z Lu lt MAINTENANCE N L EL RL a _ a Fig 9 3 9 3 Reassembly the external panels Side panels Fit the external panels Eand Gin the reverse order to that described on section Disman tling the external panels to page 73 Front panel Fit the front panel D hooking it on the up per side Push the sprin
47. eys 10 reduce and 11 increase Fig 2 5 Se ii or l i G 4 Fig 2 8 2 5 Extinguishing Press the key for 2 seconds 9 Fig 2 9 until the Z symbol appears on the display Fig 2 10 12 11 Fig 2 9 INSTRUCTIONS FOR USE Fig 2 10 If a long period of inactivity is envisioned e Switch off the electricity supply to the boil er by means of the fused spur isolation switch x Shut off the gas supply cock fitted under the boiler and the valves for the water cir cuits Fig 2 11 Fig 2 11 e If necessary empty the hydraulic circuits see section Emptying the c h system to page 74 15 USEFUL ADVICE 3 USEFUL ADVICE 3 1 Central Heating For reasonably economical service install a room thermostat Never shut off the radia tor in the area where the room thermostat is installed If a radiator or a convector does not heat up check that no air is present in it and that its valve is open If the ambient temperature is too high do not alter the radiator valves Reduce the central heating temperature in stead by means of the room thermostat or by acting on the 10and 11heating adjust ment keys Fig 3 1 12 11 10 Fig 3 1 3 2 Frost protection The anti freeze system and any additional protections protect the boiler from possible damage due to frost This system does not guarantee protection of the entire hydrau
48. f this manual and should be completed by the Installing Commissioning Engineer and handed over to the User for future reference by other visiting Engineers Also included is the Service Interval Record card that should be completed by the Service Engineer following the annual service maintenance of the boiler and system For Ireland IE it is necessary to com plete a Declaration of Conformity to indicate compliance to I S 813 2002 This appliance must be installed by a competent person in accordance with the Gas Safe installation amp Use Regula tions 5 1 Related documents The installation of this appliance must be in accordance with the relevant requirements of the current Gas Safe Installation amp Use Regulations the Local Building Regula tions the current I E E Wiring Regulations the Regulations and by laws of the local wa ter undertaking and in Scotland in accord ance with the Building Standards Scotland Regulation Health and safety document n 635 Electricity at work regs It should also be in accordance with the Brit ish Standard Codes of Practice In Ireland IE The installation must be carried out by a Competent Person and in stalled in accordance with the current edi tion of I S 813 2002 Domestic Gas Installa tions the current Building Regulations and reference should be made to the current ETCI rules for electrical installations 5 2 Location of appliance The appliance may b
49. g towards the internal side of the boiler and simultaneously push the front case panel Duntil it is completely hold in place Fig 9 4 step 1 2 Repeat the same operation on the op posite side of the front panel D Fig 9 4 step 3 4 Ensure that the front panel edge is close fitting to the side panels Lock in place the panel Dwith the appro priate screws A Fig 9 1 74 Fig 9 4 9 4 Emptying the c h system e Close the c h isolating valves e Loosen the central heating drain cock Main circuit drain pipe Fig 9 5 MAINTENANCE 9 5 Cleaning the condensing primary exchanger and the burner Removing the fan burner unit 29in Fig 9 6 O UVO Fig 9 6 Remove the body s front panel and turn the controls panel see Dismantling the external panels to page 73 Unscrew the connectors Land Kand re move the pipe J Unhook the silencer pipe Insert a flat screwdriver in the connector recess Mand lever towards the bottom disconnect the connector at the same time Oby pulling towards the front O Fig 9 6 Disconnect the fan connector Qby press ing the plastic hook Ppositioned at the bottom part of the connector Fig 9 6 e Unscrew screws Nand remove the fan burner unit 29 Fig 9 6 e Remove the burner body by pulling to wards the outside If the condensate primary exchanger ele ments are dirty notable only after removing the burner body brush them using a bristle
50. ic opera tion remember that for every ON time there must be an OFF time to follow and that on every occasion you enter a time you must also indicate which days that you want the boiler to follow the timed settings v Some products incorporate an anti cycling time delay It is normal when first switching the boiler on for the boiler to operate on heating for a few seconds then switch off After 3 4minutes has elapsed the boiler will then re ignite and operate perfectly normally The ignition delay cycle does not prevent normal operation of the boiler to provide d h w v lf you are in any doubts as to the installation or operation of the boiler please read the instruction manuals thoroughly and then if necessary contact Biasi UK for advice and as sistance Please remember that if you are in any doubt about the installation of this product you can contact our Technical Helpline on tel 01922 714 600 6 TABLE OF CONTENTS 1 APPLIANCE DESCRIPTION 8 1 1 OVGNWIOW cc52c0acacieaeeeeaeh ee eeeaes 8 1 2 Isolation valves 0 00000 e eee 8 1 3 Controlsipanel sisisis cc aie enlaces sae RTE 9 1 4 LCD general features 10 2 INSTRUCTIONS FOR USE 12 21 WANMINOS iets 26 nag 5 T RN TTT a eek 12 2 2 Refilling procedure 000 12 233 IQMIOM i ia E telat koe haves RE Koo a 13 2 4 C h circuit temperature 000 13 2 5 Extinguishing 2 25 ATR 97 K sees
51. iler up to 1 bar o7 INSTALLATION TECHNICAL INFORMATION 4 5 Technical data Activ A 200V Central heating Min Max flow temperature settings C kPa Maximum pressure Nominal gross Minimum pressure Minimun net Pressure loss in 1000 I h Minimun gross Seasonal effiency G20 Seasonal effiency G31 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m G31 46 34 MJ kg referred to the gross calorific value at 15 C and 1013 25 mbar G20 37 78 MJ m G31 50 37 MJ kg The value is used in the UK Government s Standard Assessment Procedure SAP for energy rating of dwellings The test data from which it has been calculated have been certified by a notified body Maximun condensing Minimun condensing Values subject to tolerance z lt a a e as supply pressures Nom Min Max Nom Min Max 28 TECHNICAL INFORMATION Gas rate maximum Flue gas figures Nominal heat input Fuchsia Fucsia Fuchsia Fucsia Power consumption Protection degree External fuse rating Internal fuse rating 60 100 G Twin split pipes 80 80 Roof 80 125 Nominal heat flow rate 20 Exhaust temperature
52. ime until the value of parameter 18 18 Activ A 12OV or 19 Activ A 150V or 20 Activ A 200V or 21 Activ A 250V is displayed on the LCD display Fig 7 49 MIZ 17 S U UL NX KL Y Z O pam lt a no Fig 7 49 e Press keys 9and 10 Fig 7 47 at the same time to exit without changing the value re turn to the parameters list Fig 7 48 Scroll the various parameters using keys 70 10or 11until the letters Pr that alternate with code 02 are displayed on the LCD display indicating that parameter 02 has been activated e Repeat all the above setting sequences in order to visualize the parameters and their values e Press keys 9 10 11 Fig 7 47 at the same time for 10 seconds to exit the pro gramming mode GAS CONVERSION 8 GAS CONVERSION 8 1 Warnings The commissioning of this boiler and sys tem musi only be undertaken by a Gas Safety Registered Engineer qualified to work on Liquefied Petroleum Gas LPG in accordance with the requirements of the Gas Safe Installation and Use Regulations Components used to adapt it to the type of gas available must be genuine parts only Factory setting Natural gas 8 2 A x Remove the body s front panel and turn the control panel as shown in section MAINTENANCE to page 73 e Unscrew the connector Aand Band re move the pipe C Fig 8 1 Operations and gas setting Check that the gas cock mount ed on the gas piping to
53. ing record Important at the end of the setting op eration it is important to fill update the table Fig 7 46 This to allow a correct setting of this boiler in case of replacement of the main control p c b PARAMETER DIGIT VALUES Boiler type to be updated with the Pr 01 complete range Not used PrO2 aada Read Not used Proa sevo Not used Pr 04 Gas type Pr 05 Not used Pr 06 tts PARAMETER C h flow max temperature C Factory param eters reset Chimney sweep function C h reignition frequency C h pump post circulation Max useful output in c h mode C h pump working type Ignition power K value external probe diagram Not used VALUES Not used NTC on the c h return Not used Not used Not used Not used Not used Not used Not used Not used C h minimum setpoint Fig 7 46 gt Enter the programming mode by press ing keys 9 10 11 Fig 7 47 for 10 sec onds at the same time until the letters Pr that alternate with code 01 are displayed on the LCD display indicating that pa rameter 01 Fig 7 48 has been activated 69 Z O a lt a lt p COMMISSIONING g AMERS ALAN FOZ CE a H 1 gt Lif KK N ZKL N Fig 7 48 e Press keys Yand 11 Fig 7 47 at the same t
54. ister ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE NOTES 81 NOTES 82 l inin H 4 17962 2018 0 4810 84A5 UK Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Tel 01922 714 600 www biasi co uk
55. lic system If the external temperature can reach val ues lower than 0 C it is recommended that the entire system is activated adjusting the room thermostat at a low temperature The anti freeze function is also activated with the boiler in stand by Fig 3 2 Fig 3 2 Therefore when the boiler is not lit and used in cold weather with consequent risk of freezing do not switch off the boiler at the fused spur isolation switch or close the gas inlet cock If the boiler is deactivated have a qualified technician empty the boiler the c h sys tem 3 3 Condensate drain The condensate drain must not be modi fied or blocked Blockage of the condensate drain caused by debris or freezing can cause automatic shutdown of the boiler If freezing is suspected and the pipe run is ac cessible an attempt may be made to free the obstruction by pouring hot water over the exposed pipe an cleaning any blockage from the end of the pipe If this fails to remedy the problem the assist ance of a Gas Safe registered installer or in IE acompetent person should be sought 3 4 Periodic maintenance For efficient and continuous operation of the boiler it is advisable to arrange mainte nance and cleaning by an Authorised Serv ice Centre Engineer at least once a year During the service the most important components of the boiler will be inspected and cleaned This service can be part of a maintenance contract In particular you
56. lock cover lid P Fig 6 15 and open it The appliance s electric power supply cable or wire must have a section no less than 0 75 mm it must be kept away from hot or sharp parts and however conform to the technical regulations in force 48 INSTALLATION A the relevant cable clamps Q Fig 6 18 R S o__ IS 9 S B SES emote G A SES c External Probe N i EI S Electric power supply OHO SES gt SS C h external pum eE Fig 6 16 6 10 Electric connection of pump Use the clamps indicated in Fig 6 19 to fe The route of the boiler and ambient thermo connect the c h external pump E stat s electric power supply cable or wires must follow the route indicated in Fig 6 17 C h external lt pump L
57. ls pump terminal block 25 Condensate trap 26 Fan 27 Air box air gas mixer 28 Ignition electrode 29 Burner 30 Flue outlet pipe 31 Air intake pipe 32 Flue exhaust sampling point 33 Air sampling point Z O E lt a ee lt TECHNICAL INFORMATION 4 3 Technical data Activ A 120V Central heating Min Max flow temperature settings C kPa Maximum pressure Nominal gross Minimum pressure Minimun net Pressure loss in 1000 I h Minimun gross Seasonal effiency G20 Seasonal effiency G31 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m G31 46 34 MJ kg referred to the gross calorific value at 15 C and 1013 25 mbar G20 37 78 MJ m G31 50 37 MJ kg The value is used in the UK Government s Standard Assessment Procedure SAP for energy rating of dwellings The test data from which it has been calculated have been certified by a notified body Maximun condensing Minimun condensing Values subject to tolerance z lt a a e as supply pressures Nom Min Max Nom Min Max 24 TECHNICAL INFORMATION Gas rate maximum Flue gas figures Nominal heat input CO2 content with gas G20 O2 content with gas G20 ICO content with gas G20
58. lues Fig 7 41 gt Enter the programming mode by press ing keys 9 10 11 Fig 7 42 for 10 sec onds at the same time until the letters Pr that alternate with code 01 are displayed on the LCD display indicating that pa rameter 01 Fig 7 43 has been activated Fig 7 42 68 NAAN ANZ ri D II MI U 1 Fig 7 43 AAR 14 e Scroll the various parameters using keys 10or 11until the letters Pr that alternate with code 12 are displayed on the LCD display indicating that parameter 12 Fig 7 44 has been activated AYAY IS D blo k U A th UK N ZKK N Fig 7 44 e Press keys Yand 11 Fig 7 42 at the same time until the value of parameter 12 99 Activ A 120V Activ A 150V Activ A 200V Activ A 250V is displayed on the LCD display Fig 7 45 COMMISSIONING MIZ 17 D C S S UK N ZKL N Fig 7 45 It is possible to modify parameter using keys 10or 11 Fig 7 42 Refer to Fig 7 41 and determine the correct Value apper taining to the output required for the cen tral heating requirement By pressing key 9 Fig 7 42 confirmation of the inserted value is obtained Press keys Yand 10 Fig 7 42 at the same time to exit without changing the value re turn to the parameters list Fig 7 44 Press keys 9 10 11 Fig 7 42 at the same time for 10 seconds to exit the pro gramming mode 7 18 Sett
59. ly be forefitting the boiler so as to remove muddy deposits It is advisable to equip the system with a sediment filter or use a water treatment product in the circulating water The latter option in particular not only cleans out the system but also has an anti corrosive effect by promoting formation of a protective skin on metal surfaces and neu tralising gases present in the water We recommend the use of a suitable uni versal inhibitory to protect the c h system from corrosion 6 3 Installing the bracket Precautions Before mounting the bracket check that the dimensions for fitting the exhaust fume duct are complied with refer to the leaflet includ ed with the flue kit packed separately Utilise the paper template supplied with the boiler to determine the fixing position for the bracket and boiler Securely mount the bracket to the wall using appropriate fixings suitable for the type of wall construction and capable of supporting the total wet load Refer to the weight given in the technical data tables specific for each model ee INSTALLATION 6 4 Overall dimensions The boiler respects the following dimensions 65 299 36 bottom 560 290 A Flue outlet air intake pipe co axial 100 60 B Flue outlet pipe 80 mm twin kit C Air intake pipe 80 mm twin kit D Condensate drain pipe E Electric connections area F Condensate drain connectio
60. malfunctioning and or damage to materials of the appliance or other objects ATTENTION The indications marked with this symbol is important informa tion that must be carefully read Q Remember that LO v The manual must be read thoroughly so that you will be able to use the boiler in a safe and sensible way must be carefully kept It may be necessary for reference in the fu ture v The lighting up must be carried out by competent and responsible engineer v The manufacturer e disclaim all liability for any translations of the present manual from which incorrect inter pretation may occur cannot be held responsible for non observance of instructions contained in this manual or for the consequences of any procedure not specifically described v Guarantee conditions e The guarantee registration form must be returned within 30 of purchase failure to com ply will invalidate the guarantee Using the boiler v Before lighting the boiler you are advised to have a Gas Safety Registered Engineer check that the installation of the gas supply e is gas tight x is of the correct gauge for the flow to the boiler e is fitted with all the safety and control devices required by the current Regulations v Ensure that e check with the Installer that he has connected and terminated the pressure relief valve in a manner which allows safe discharge The manufacturers are not responsible for damage caused by opening of the pressure relief val
61. me until the letters Pr that alternate with code 01 are displayed on the LCD display indicating that pa rameter 01 Fig 7 33 has been activated COMMISSIONING Fig 7 32 AZAT d gt 2 L U 4 a gt mf Lif Fig 7 33 CIENTLY e Scroll the various parameters using keys 10or 11until the letters Pr that alternate with code 10 are displayed on the LCD display indicating that parameter 10 Fig 7 34 has been activated TZAL a E CI k U E L N 1 T UL NX KL Y Fig 7 34 e Press keys Yand 11 Fig 7 32 at the same time until the value of parameter 10 30 180 seconds is displayed on the LCD display Fig 7 35 MIZ XL 7 art l LS UK N ZK N Fig 7 35 It is possible to modify parameter 10 by 00 0s to99 600s using keys 10or 11 each increase or reduction by a unit on the display corresponds to 6 seconds e By pressing key 9 Fig 7 32 confirmation of the inserted value is obtained Press keys Yand 10 Fig 7 32 at the same time to exit without changing the value re turn to the parameters list Fig 7 34 Press keys 9 10 11 Fig 7 32 at the same time for 10 seconds to exit the pro gramming mode Programming using the REMOTE con trol Act on the programming of the REMOTE control to select a minimum time between two ignitions when the boiler functions in normal on off heating mode e Press button P for more th
62. mpletion of the installation and commissioning process Failure to comply with these requirements may in validate the manufacturers guarantee For Ireland IE it is necessary to com plete a Declaration of Conformity to indicate compliance to I S 813 2002 7 2 Electrical installation Preliminary electrical system checks to en sure electrical safety shall be carried out by a competent person i e polarity earth con tinuity resistance to earth and short circuit If a fault has occurred on the appliance the fault finding procedure should be followed as specified in the service manual 7 3 Gas supply installation e Inspect the entire installation including the gas meter test for tightness and purge all as described in BS 6891 For Ireland IE refer to 1 S 813 2002 x Open the gas cock 5 Fig 7 1 on the ap pliance and check the gas connector on the appliance for leaks a Fig 7 1 7 4 Initial filling of the system When fitting the boiler into a sealed system it will be neces sary to fit an expansion vessel pressure gauge and pressure relief valve external to the boil er These items are available from most plumbing suppliers e Open the c h flow and return valves gt Remove the front and side panels of the case section Dismantling the external panels to page 73 and the sealed cham ber lid gt Unscrew the condensing heat exchanger air purger valve 18 Fig 7 2 Z O
63. n area G C h flow H Gas l C h return 6 5 Joints The boiler uses the following fittings Pipe sizes 0 01 22 25 plastic Functions Gas c h return c h flow Condensate drain sizes in mm o d Condensate drain to be realised with min pipe 30 mm 6 6 Central heating service con nections gt Mount the bracket of the prepiping kit to the wall See also section Installing the bracket pag 42 e The boiler is supplied with 22 mm copper tails for both upwards Fig 6 3 and Fig 6 4 and downwards Fig 6 5 and Fig 6 6 flow and return pipe routing suitable for compression or soldering connections The paper template supplied with the boiler gives a real size view of the copper tails that helps to identify them Use extreme care if soldering A the joints near to the appliance If boiler is located in tight space it is recommended to remove the pipes from the boiler 43 z Te lt a e INSTALLATION INSTALLATION e Connect the central heating system pipes to the central heating flow and return pipes on the boiler e The upwards pipes may be used for con necting to a vent pipe open system or fitting to an automatic air vent sealed sys tem The remaining pipe must be solder sealed UPWARDS FLOW 44 DOWNWARDS FLOW Fig 6 6 e Mount the boiler on its bracket e Fix the c h valves and gas cock M 3 to the boiler
64. n of about one minute at the end of each heat request This time can be changed by a minimum of zero to a maximum of four minutes by act ing on programming both from the panel controls and the remote control gt Enter in programming mode by pressing keys 9 10 11 Fig 7 24 for 10 seconds at COMMISSIONING the same time until the letters Pr that al 1 1 ternate with code 01 are displayed on the P AAP NA AZ S LCD display indicating that parameter J 01 Fig 7 25 has been activated UK N ZKK N Fig 7 26 9 e Press keys Yand 11 Fig 7 24 at the Fig 7 24 same time until the value of parameter 11 10 60 seconds Fig 7 27 is displayed a1 A 1 on the LCD display XE XL wr wie LU Z S tf 3 LAAN KL N S J f f Fig 7 27 a L C 7 c L N C L N e It is possible to modify parameter 11 la Fig 7 25 by 00 0s to99 600s using keys 10or 11 each increase or reduction by a unit on e Scroll the various parameters using key the display corresponds to 6 seconds s10or 11until the letters Pr that alternate e By pressing key 9 Fig 7 24 confirmation with code 11 are displayed on the LCD of the inserted value is obtained display indicating that parameter 11 Fig e Press keys 9and 10 Fig 7 24 at the same 7 26 has been activated time to exit without changing the value re turn to the parameters list Fig 7 26 e Press keys 9 10 11 Fig 7 24
65. n pipe 76 9 10 Visual inspection of appliance 76 9 11 Checking the gas supply pressure 77 9 12 Water inhibitor concentration 77 9 13 Setting the boiler chimney sweep function 77 The manufacturer in the continuous process to improve his products reserves the right to modify the data expressed in the present documentation at any time and without prior notice The present documentation is an informative support and it can not be considered as a contract to wards third parties a ae APPLIANCE DESCRIPTION 1 APPLIANCE DESCRIPTION 1 1 Overview 1 2 Isolation valves The model and serial number of the boiler are printed on bottom right side Fig 1 2 3 4 5 6 7 8 Gas supply label C h flow pipe Gas inlet valve C h return pipe Condensate drain pipe Main circuit drain pipe 1 Controls panel model and serial number of the boiler House for possible time switch c h label control Fig 1 1 APPLIANCE DESCRIPTION 1 3 Controls panel 12 Fig 1 3 9 Reset Stand by Winter key 10 C h temperature reduce key 11 C h temperature increase key 12 LCD display RESET that takes all parameters A back to the factory value occurs only by setting parameter 08 04 Reset is displayed by switch on of all symbols present on the display 1 4 APPLIANCE DESCRIPTION LCD general features For the boiler tech
66. n the LCD display indicating that parameter 05 Fig 8 5 has been activated EACAN D AII P rc gt UJ a A Fig 8 5 72 lt e Press keys Yand 11 Fig 8 3 at the same time until the value of parameter 05 00 G20 is displayed on the LCD dis play Fig 8 6 MIZ XL 7 iF LUI LU UK N ZK N Fig 8 6 e By pressing key 11three times it is pos sible to change the value of parameter 05 from 00 G20 to 05 G31 which is ok for LPG gas gt By pressing key 9 Fig 8 3 confirmation of the inserted value is obtained e Press keys Yand 10 Fig 8 3 at the same time to exit without changing the value re turn to the parameters list Fig 8 5 e Press keys 9 10 11 Fig 8 3 at the same time for 10 seconds to exit the program ming mode e Calibrate the gas valve according to the instructions given in the Service manual section Gas valve Adjustment gt Reposition the controls panel and remount the front panel of the body gt Apply the label indicating the gas nature and pressure value for which the appli ance is regulated The self adhesive label is contained in the transformation kit MAINTENANCE 9 MAINTENANCE 9 1 Warnings The procedures detailed in this chapter must be carried out only Gas Safety Reg istered Engineer Thus you are advised to contact an Authorised Service Agent For Ireland IE the servicing work must be carried out by a competent P
67. n the pressure gauge that the pres sure in the central heating circuit is not close to 3 bars In this case temperature rise in the circuit can cause the pressure relief valve to open So that this does not happen and to decrease the pressure to a normal value it is advisable to vent some of the water in the appliance through the bleed valves present in the radiators Water should occasionally leak from the boiler Shut off the valves and call an Authorised Service Centre Engineer In this case or in case of prob lems other than those men tioned here switch off the boil er as described in section Extinguishing to page 14 and call a competent and responsi ble Service Engineer 3 7 Displaying in INFO mode The INFO mode allows the display of some information on the boiler functioning status In case of malfunctioning of the boiler it may be useful to communicate such information to the Authorised Service Centre Engineer so that the causes can be understood In order to access the INFO mode press keys 9and 11 Fig 3 5 at the same time un til the letter di appears on the display that alternates with a code Fig 3 6 18 USEFUL ADVICE 12 11 10 Fig 3 5 Fig 3 6 To scroll the values press 10 reduce and 11 increase keys In order to exit the INFO mode hold keys 9Yand 11 Fig 3 5 pressed at the same time 3 8 Remote anomaly c
68. nical informations refer to the section TECHNICAL INFORMATION to page 21 Pa RESET Fig 1 4 KEY RESET The symbol indicates that the boiler can be directly reactivat ed by the user by pressing the reset button f The symbol indicates that the fault requires intervention on behalf of specialised technical assistance we 0 1 xN All symbols represented with lines that surround them indi cate that the symbol is flashing SIGNAL DISPLAYED BY THE LCD LCD FUNCTION Er 01 RESET Lack of burner ignition on safety lockout Er 02 RESET Safety thermostat intervention lockout Er 03 RESET General lockout Er 10 RESET Flue probe intervention lockout Er 14 RESET Faulty pump or primary temperature above 105 C 2104 LCD FUNCTION Er 15 RESET None or too low water flow Faulty pump temp difference between probes higher than 35 C Er 16 RESET Possible exchange of NTC probes Flow or Return or pump wrongly mounted up side down Er 17 RESET Faulty c h temp probe NTC Flow or Return Er 18 RESET Faulty primary circuit no water or absence of flow Er 04 5 Faulty primary circuit no water or absence of flow Er 05 5 Faulty fan control system Er 06 7 Faulty c h temp probe NTC flow Er 08 5 Faulty external temp probe NTC
69. number 44 INSTRUCTIONS FOR USE 2 INSTRUCTIONS FOR USE 2 1 Warnings Biasi UK Ltd support the Benchmark initiative The Benchmark Log Book is located at the back of this manual and should be completed by the Installing Commissioning Engineer and handed over to the User for future reference by other visiting Engineers Also included is the Service Interval Record card that should be completed by the Service Engineer following the annual service maintenance of the boiler and system All Gas Safe Registered Installers carry a Gas Safe ID card and have a registra tion number Both should be recorded in your Benchmark Log Book You can check your Installer is registered by call ing Gas Safe direct on 0800 408 5500 or go on line at www GasSafeRegister co uk In order to guarantee safety and correct op eration it is essential that all the tests are carried out by a competent and responsi ble service engineer before lighting up the boiler The tests are described in the installation instructions in section 7 commissioning Ensure that the c h circuit is regularly filled with water even if the boiler is only used for d h w supply checking that the pressure in dicated on pressure gauge is not lower than that shown in Fig 2 2 If the pressure reading on the pressure gauge is below that shown in Fig 2 2 then the system will require topping up A filling loop is normally provided by the Installer for this p
70. ode If the boiler is connected to remote option al a code that indicates a boiler anomaly is displayed in the centre of the display The anomaly in progress is indicated by a numeric code followed by the letter E The table summarises the possible codes displayed on the remote Lack of burner ignition 01E Safety thermostat lockout 02E General lockout 03E Faulty primary circuit 04E no water or absence ol flow Faulty fan control system OBE Faulty c h temp probe NTC 06E Faulty external temp probe NTC ace Faulty flue temp probe NTC 09E Flue probe intervention 10E lockout Flame detection error 11E No circulation of faulty pump or intervention primary 14E temperature limit None or too low water flow Faulty pump temp difference 15E between probes higher than 35 C Possible exchange of NTC probes Flow or Return 16E or pump wrongly mounted upside down Faulty c h temp probe NTC 17E Flow or Return Faulty primary circuit no 18E water or absence of flow 3 9 Flue probe The flue probe 14indicated in Fig 3 7 is a safety device This intervenes when the flue temperature exceeds 110 C placing the boiler in safety block switching it off To reset normal boiler functioning just press the 9 Fig 3 5 key 9 USEFUL ADVICE 90 s TECHNICAL INFORMATION TECHNICAL INFORMATION Overview 4 4 1 NOILVTIVLSNI
71. on b 7 10 Setting the K coefficient of the external temperature probe The boiler is set with a K coefficient equal to zero for boiler functioning without the probe connected If the boiler is NOT EQUIPPED with the re mote control optional refer to Fig 7 15 C h flow temperature C K 6 Ked K 3 K 2 K 1 5 80 70 60 50 40 30 20 20 15 10 5 O 5 40 15 20 25 External temperature C Fig 7 15 If the boiler is EQUIPED with the remote control optional refer to Fig 7 16 In this case K setting must be done from the remote control C h flow temperature C K 6 K 4 K 3 K 2 80 K 1 5 70 60 L JY A_ O Kel 50 40 K 0 5 30 20 20 15 10 5 0 5 140 145 20 25 External temperature C Fig 7 16 The K coefficients is a parameter that in creases or reduces the boiler flow tempera ture when the outside temperature chang es 60 COMMISSIONING When installing the external probe it is nec e Scroll the various parameters using keys essary to set this parameter based on the 10or 11until the letters Pr that alternate efficiency of the heating plant in order to op with code 15 are displayed on the LCD timise the flow temperature Fig 7 16 display indicating that parameter 15 Fig E g In order to have a flow temperature at 7 19 has been activa
72. on cistern situated at a maximum height of 27 metres 90 ft above the boiler The cold feed must be 15 mm minimum size The vent must rise continuously and be un restricted It is important that the relative positions of the pump cold feed and open vent are as shown in Fig 5 10 Domestic hot water cylinder SINGLE FEED INDIRECT CYLINDERS ARE NOT SUITABLE The domestic hot water cylinder must be of the double feed fully indirect coil type Sealed water systems The installation must comply with the ap propriate requirements of the current issue of BS4814 BS5449 BS6759 BS6798 and BS7074 Part 1 and 2 See Fig 5 7 for a suggested layout Safety valve sealed system A safety valve must be fitted to a sealed system It shall be preset non adjustable with a lift pressure of 3 bar incorporating seating of a GENERAL REQUIREMENTS resilient material a test device and a con nection for drain The drain from the safety valve must be routed outside the building must not dis charge above an entrance or window or any type of public access area be clear of any electrical fittings and positioned so that any discharge can be seen Expansion vessel A diaphragm type expansion vessel con forming to the current issue of BS4814 see also BS7074 Part 1 and 2 must be con nected at a point close to the inlet side of the circulating pump see the diagrammatic layout Fig 5 7 unless laid down differently by the manufacture
73. on in overvoltage Ill cat egory conditions Refer to section Electric connection to page 47 in this chapter for the electrical connections In no circumstances will the manufac turer be held responsible if the warnings and instructions contained in this manu al have not been complied with 6 2 s The boiler must be fixed to a strong wall gt The dimensions for the exhaust fume duct detailed in section Choice of flue to page 45 and the correct procedures for installing the duct depicted in the instruc tion leaflet included with the flue kit must be complied with during installation e To allow maintenance procedures it is necessary to leave the minimum gaps in dicated in Fig 6 1 Precautions for installation The following prescriptions must be respected for installa tion Aes Z O a lt a e Te lt a e INSTALLATION 250 All measures are in mm Fig 6 1 e When installing the boiler in a cupboard cover or alcove allow at least 5 mm per manent clearance from the front face of the boiler Also ensure sufficient clearance to allow free access for servicing and the lowering of the front control panel If the boiler is installed outside cover the appliance to protect it against the ele ments and add some special anti freeze neutralised to the c h system Before installing the boiler on an exist ing c h system flush it out thorough
74. onnection to the mains water supply even through a non re turn valve without the approval of the Local Water Authority Filling A method for initially filling the system and replacing water lost during servicing must be provided and it must comply with loca water authority regulations The correct method is shown in Fig 5 8 The temporary connection must be removed immediately after filling Control valve Double check valve Control valve Temporary connection Supply pipe cold water inlet C h return pipe T Fig 5 8 38 GENERAL REQUIREMENTS The installer should ensure that no leaks ex ist either inside the boiler or on the system as frequent filling of the system could cause premature scaling of the heat exchanger 5 9 Waiter treatment C h circuit Where a new boiler is fitted to a new system with either plastic or copper pipes it is im portant the system is fully flushed on com pletion to ensure flux residues swarfs oils and other installation debris is removed Where a new boiler is fitted to an existing system it is important the debris from the existing system is fully removed in order to ensure the efficiency of the new appliance is maintained Details on flushing procedure are given in the section Initial filling of the system to page 55 of this manual Open vent water system with flow and return connected to bottom pipes COLD WATER STORAGE
75. please ensure you have carried out the service as described in the boiler manufacturer s instructions Always use the manufacturer s specified spare part when replacing all controls SERVICE 1 pate SERVICE 2 pate ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No Gas Safe Register ID CARD SERIAL No Gas Safe Register ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 3 DATE SERVICE 4 pate ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No Gas Safe Register ID CARD SERIAL No Gas Safe Register ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 5 pate SERVICE 6 pate ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No Gas Safe Register ID CARD SERIAL No Gas Safe Register ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 7 DATE SERVICE 8 DATE ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No Gas Safe Register ID CARD SERIAL No Gas Safe Register ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 9 pate SERVICE 10 pate ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No Gas Safe Register ID CARD SERIAL No Gas Safe Reg
76. r The expansion vessel volume depends on the total water system volume and the initial system design pressure For any system an accurate calculation of vessel size is given in the current issue of BS5449 and BS7074 Part 1 Example For an initial design pressure of 0 7 bar the minimum total vessel volume required is 0 063 x Total System Volume The charge pressure must not be less than the static head of the system that is the height of the highest point of the system above the expansion vessel A higher initial design pressure requires a larger volume expan sion vessel The water content of the boiler is given in section Technical data Activ A 120V to page 24 section Technical data Activ A 150V to page 26 section Technical data Activ A 200V to page 28 and section Tech nical data Activ A 25OV to page 30 Expansion vessel requirements Vessel charge and initial system pressure 0 5 Total water content of system using 8 L 1 54 gal capac ity expansion vessel supplied with appliance L 96 For systems having a larger capacity multiply the total system capacity in litres gallons by these factors to obtain the total mini mum expansion vessel capacity required in litres Fig 5 6 0 0833 37 s Z O Te lt a p 2 S Te lt a no GENERAL REQUIREMENTS Sealed water system MAKE UP BOTTLE
77. r lean to It is important that the position of the terminal allows a free passage of air across at all times The terminal should be located with due regard for the damage or discoloration that might occur to building products in the vicin ity In cold and or humid weather water vapour may condense on leaving the flue terminal the effect of such steaming must be con sidered Pluming may easily occur at the terminal Where possible terminal position which could cause a nuisance should be avoided The minimum acceptable spacing from the terminal to obstructions and ventilation openings are specified in Fig 5 1 s Fig 5 1 Terminal position mm A Directly below the window or other opening 300 B Below gutters soil pipes or drain pipes 75 C Below eaves 200 D Below balconies 600 E Below car port roof NO F From vertical drain pipes and soil pipes 150 G From internal corners 450 H From external corners 300 I Above ground or balcony lev el 300 J From a next door boundary 2500 K From a terminal facing a termi nal 2500 L From an opening in the car port e g door window into dwell ing NO M Vertically from a terminal in the same wall 1500 N Horizontally from a terminal in the same wall 300 O Above the roof pitch with roof slope less than or equal to 30 350 O Above the roof pitch with roof slope more than 30 600 P From wall face 600 Q From above or to side of an opening 300 Whe
78. realised with the aid of extensions must not exceed 40 m Bends of 80 mm at 90 and at 45 are available that reduce the maximum total length of the pipes by For the bend of 45 loss For the bend of 90 loss 0 9m 1 65 m Fig 6 11 Ces TYPE If using pipes and terminals by other manu facturers Type Ces it is necessary that these are approved and in the case of flue pipes it is necessary to use materials com patible with condensation products During the pipes dimensioning phase take into consideration the static pressure resi INSTALLATION due of the fan nominal heat input Activ A 120V Activ A 150V Activ A 200V Activ A 250V Roof flue exhaust kit Fig 6 12 Coaxial pipe 80 125 mm with a nominal height of 0 96 m This kit exhausts directly to the roof Type C33 Sr 90 gt A LA T 912 i Ge rs E EA C AY Fig 6 12 Extensions are available for reaching the maximum height Its maximum height with extension is 10 m Bends of 80 mm at 90 and at 45 are available that reduce the maximum total length of the pipes by For the bend of 45 loss 0 5m For the bend of 90 loss im Pluming kit Fig 6 13 Co axial 60 100 mm vertical part 60 mm flue outlet This kit allows the combustion air to be sucked up and expel the burnt gases di rectly to the outside through a telescopic co axial flue 450 950 mm
79. resetting attempts the reset button is inhibited To restore its func tion it is necessary to switch the boiler off and on from the electrical mains using the fused spur isolation switch fitted adjacent to the appliance 7 9 Enabling functioning of the external temperature probe by the remote control Functioning with the external probe in the boiler must be enabled if the remote control optional is used Act on the programming of the REMOTE control to enable its functioning if the re mote control optional is used e Press button P for more than 3 seconds to enter in INFO mode P P l TA N m r 1O Bf 0 O Fig 7 11 Press buttons and C at the same time to enter the transparent programming Fig 7 12 59 Z O a lt a no z Te lt a no COMMISSIONING D OG l l S ate Bo cee CH SL N p Fig 7 12 e Press buttons ge v or E A to display the PM15 program that enables the ex ternal probe Fig 7 13 E S ey a Fa ae S a es mM 01 l cul 7 PM 5 Fig 7 13 e Modify the programmed SET by acting on buttons or v i until a setting of 60 is displayed wait for the number pro grammed to flash Fig 7 14 0 ea 7 LAN S ii PM 4G oak L P Fig 7 14 s To exit programming press butt
80. rever practicable to do so the flue should be extended beyond the perim eter of the balcony Consideration should be given to adding protection against condensate to the ad jacent structure Wall terminals with horizontal discharge less than 2 5 m from a car parking space and less than 2 1 m above the ground Wall terminals less than 2 1 m above the ground with horizontal discharge of the flue products across a public footway or a frequently used private access route or a patio hard surface area 5 4 Gas supply The Gas meter is connected to the service pipe by the local gas region or a local gas region contractor If the gas supply for the boiler serves other appliances ensure that an adequate supply 33 Z O a lt a a lt p 2 O am lt a e GENERAL REQUIREMENTS is available both to the boiler and the other appliance when they are in use at the same time Pipework must be of adequate size Pipes of a smaller size than the boiler inlet con nection should not be used Installation pipes should be fitted in accord ance with BS 6891 and the complete instal lation should be tested for tightness For Ireland IE refer to 1 S 813 2002 5 5 Air supply The room in which the boiler is installed does not require a purpose provided air vent 5 6 Ventilation If installed in a cupboard or compartment it is not necessary to provide additional venti lation for cooling
81. t x l L l 10 way lt junction box 2 Z N 1 2 34 5 6 7 8 9 10 iG Sel gl lg ells ella el lt SE HH H HHH HHH Switched 3 Amp fused S S a Si M a a a P Electric supply PREE 1 2 3 4 5 6 7 8 9 10 Room thermostat Frostat terminal block 1 ae HTG Heating e HW ON HotWaterON HW OFF HotWaterOFF aes ak CES Valve colour key HTG 3 BU Blue Q GRYE Green Yellow HW ON Pd WH White HW OF Do not O GY Grey remove room C OR Orange Programmer thermostat link BK Black BN Brown Fig 6 25 Not permanent live Y plan 53 INSTALLATION INSTALLATION 6 13 Installation of the external temperature probe optional The external probe must be installed on the external wall of the building avoiding e Direct radiation of solar rays e Humid walls or walls subject to the forma tion of mildew e Installation near to fans drain outlets or chimneys 6 14 Electric connection between the boiler and the external probe To connect the external probe to the boiler use electric cables with a section no less than 0 50 mm The electric cables for connecting the external probe to the boiler must cover different channels to the voltage ones 230 V since they are powered at a safe ty low voltage and their maximum length must not exceed 20 meters Use the clamps indicated in Fig 6 26 to connect the external probe 54 C
82. te the function of time and temperature controls if fitted Explain how to turn off the appliance for both short and long periods and advise on the precautions necessary to prevent damage should the appliance be inoperative when freezing conditions may occur Fill in the details required on the Boiler Guarantee Certificate and hand to the User advising them to return the correct section for boiler Guarantee registration Finally advise the User that for continued safe and efficient operation the appliance must be serviced by a competent person at least once a year The user is responsible for keeping the documentation integral and within reach for consultation 7 17 Adjustment of useful c h out put for Activ A 200V Activ A 250V only The following procedure allows the output of the boiler for central heating to be adjusted to meet the system requirement Adjusting the useful central output does not prevent the boiler firing at maximum rate for domes tic hot water production Refer to Fig 7 41 and determine the correct Value appertaining to the output required for the central heating requirement S Z O a lt a no z Ke lt a e COMMISSIONING Useful output kW 30 25 poe aaa aor Activ A 250V L 20 sh t l 3 bobo 4a Lo Activ A 200V 10 poet tt Et eet t te Ed 0 10 20 30 40 50 60 70 80 90 100 Va
83. ted the heating plant of 60 C with an external Va 1 temperature of 5 C set a K at 1 5 sec r S tioned line in Fig 7 16 J Sequence for setting the K coefficient gt lt gt e Enter in programming mode by pressing D keys 9 10 11 Fig 7 17 for 10 seconds at J the same time until the letters Pr that al f S ternate with code 01 are displayed on the 1 L LCD display indicating that parameter f j 01 has been activated Fig 7 18 yi p E l iN KL Y Fig 7 19 e Press keys 9and 11 Fig 7 17 at the same 11 time until the value of parameter 15 Fig 7 20 is displayed on the LCD display MIZ XL 7 iF UI LU Fig 7 17 UK N ZKK N Fig 7 20 10 Z O Te lt a ee SE AA 14 S Using keys 10or 11it is possible to change J the value of parameter 15 from a minimum lt gt lt gt of 01 to a maximum of 60 based on the selected bend of the K coefficient in Fig 7 7 16 the value read on the display corre Na sponds to K coefficients decimal values l 1 e By pressing key 9 Fig 7 17 confirmation J f f of the inserted value is obtained e Press keys 9and 10 Fig 7 17 at the same c ING L N time to exit without changing the value re Fig 7 18 turn to the parameters list Fig 7 19 e Press keys 9 10 11 Fig 7 17 at the E a z Te lt a no COMMISSIONING same time for 10 s
84. ternal soil and vent stack A Condensate drain Dimensions in mm Fig 5 2 Boiler B Internal soil and vent stack C Invert D 450 mm up to three storeys gt 34 GENERAL REQUIREMENTS Connection of condensate drainage pipe downstream of a sink waste trap Condensate drain Dimensions in mm Fig 5 3 A Boiler E Sink F Open end of condensate drainage pipe direct into gully below grating but above water level 5 8 Water circulation c h Detailed recommendations are given in BS 6798 and BS 5449 the following notes are given for general guidance For Ireland IE refer to 1 S 813 2002 Pipework Copper tubing to BSEN 1057 is recom mended for water pipes Jointing should be either with capillary soldered or with com pression fittings Where possible pipes should have a gradi ent to ensure air is carried naturally to air release points and water flows naturally to drain taps The appliance has a built in automatic air release valve it should be ensured as far as possible that the appliance heat exchanger is not a natural collecting point for air Except where providing useful heat pipes should be insulated to prevent heat loss and to avoid freezing Particular attention should be paid to pipes passing through ventilated spaces in roofs and under floors Central heating system The appliances are designed for open vented central hea
85. ting water systems but may be fit ted to a sealed central heating system pro vided the necessary components such as expansion vessel and pressure safety relief valve are fitted to the system Refer to Fig 5 9 for a typical open vented system design which incorporates radiators and a drain fa cility that must be provided at the lowest point in the system to allow complete drain down The installation should be designed to oper ate with a flow temperature of up to 95 C If a sealed system is to be used then only a competent person must fill it The hydraulic resistance curves for the ap pliances are given in Fig 5 4 If thermostatic radiator valves are fitted one radiator must be fitted with two lock shield valves to enable correct operation of the pump overrun facility The following paragraphs outline the specifi cations of the items fitted to the appliances Appliance hydraulic resistance Activ A 120V Activ A 150V Activ A 200V Activ A 250V Pressure Loss bar 0 200 400 600 Flow Rate Itr h 800 1000 1200 1400 1600 35 Z O a lt a e Te lt a no GENERAL REQUIREMENTS By pass In the central heating system an external by pass may be fitted It protects the main heat exchanger in case of reduced or interrupted water circola tion through the heating system due to the closing of thermostatic valves or cock type valves within the system
86. unction is at maximum output Fig 9 14 MIZ 12 F Jo W DU U C LAAN KL Y Fig 9 14 e Press keys 9 10 11 Fig 9 10 at the same time again to exit the chimney sweep mode and return to the previously set boiler status Fig 9 15 78 BENCHMARK No Ebert GAS BOILER COMMISSIONING CHECKLIST BOILER SERIAL No NOTIFICATION No CONTROLS To comply with the Building Regulations each section must havea tick in one or other of the boxes TIME amp TEMPERATURE CONTROL TO HEATING ROOM T STAT amp PROGRAMMER TIMER PROGRAMMABLE ROOMSTAT TIME amp TEMPERATURE CONTROL TO HOT WATER CYLINDER T STAT amp PROGRAMMER TIMER COMBI BOILER HEATING ZONE VALVES FITTED NOT REQUIRED HOT WATER ZONE VALVES FITTED NOT REQUIRED THERMOSTATIC RADIATOR VALVES FITTED AUTOMATIC BYPASS TO SYSTEM FITTED NOT REQUIRED FOR ALL BOILERS CONFIRM THE FOLLOWING THE SYSTEM HAS BEEN FLUSHED IN ACCORDANCE WITH THE BOILER MANUFACTURER S INSTRUCTIONS THE SYSTEM CLEANER USED THE INHIBITOR USED FOR THE CENTRAL HEATING MODE MEASURE amp RECORD GAS RATE m3 hr ft hr BURNER OPERATING PRESSURE IF APPLICABLE N A mbar CENTRAL HEATING FLOW TEMPERATURE LT C CENTRAL HEATING RETURN TEMPERATURE C FOR COMBINATION BOILERS ONLY HAS A WATER SCALE
87. urpose If you are in any doubt regarding this procedure you are advised to contact your Installer or an Approved Engineer This appliance is provided with a built in anti freeze system that operates the boiler when the temperature is below 5 C Therefore when the boiler is not lit or used in cold weather with consequent risk of freezing do not switch off the boiler at the fused spur isolation switch or close the gas inlet cock When you do not expect to use the boiler for a long period and the boiler is not to be used for frost protection then follow the in structions given in section Extinguishing to page 14 2 2 Refilling procedure e Isolate the boiler from the electrical sup ply at the fused spur Reconnect the filling loop as demonstrated in Fig 2 1 Control valve Double check valve Temporary connection st i 4 T s TT Control valve C h return pipe Supply pipe cold water inlet Fig 2 1 e Open the valves of the filling loop and watch the gauge until it reaches normal filling pressure as shown in Fig 2 2 Normal filling pressure Fig 2 2 EPP INSTRUCTIONS FOR USE If you experience any difficulty with the operation of the boiler switch off the boiler immediately at the fused spur iso lation switch and contact your Installer or an approved Service Engineer Air introduced into the boiler during this fill ing process will vent through the autom
88. using the 3 4 gaskets e Fit the condensate drain 7 Fig 6 7 in the drainage pipework e See also section 5 7in this manual INSTALLATION 6 7 Fitting the flue system For a correct installation of the flue pipe re fer to the sheet provided together with the pre selected kit The horizontal routes of the flue pipes must incline about 1 5 degrees 25 mm per me ter therefore the terminal must be higher than the intake at the boiler The single coaxial pipe with the terminal must be fitted horizontal as the drainpipe is already angled with the correct incline 6 8 Choice of flue The flue exhaust air intake can be installing in the mode C13 C33 C53 Ces Refer to the sheet provided with the pre selected kit in separate packaging The horizontal routes of the flue pipes must incline about 1 5 degrees 25 mm per me ter A The terminal must be higher than the infeed boiler side The single coaxial pipe with terminal must be horizontal because the drain pipe is al ready angled The following kits to be connected to the boiler are available Wall flue exhaust kit Fig 6 8 A Fig 6 8 Coaxial pipe 60 100 mm with a nominal length of 915 mm This kit allows the flues to be exhausted in the rear wall or at the side of the boiler The minimum length of the pipe must be no less than 0 5 m whilst the maximum with the aid of extensions must not exceed 10 m Vertical flue exhaust kit with 90
89. ve and consequent escape of wa ter if this is not connected and terminated e the installer has connected the condensate outlet to a suitable drain pipe v On detecting the smell of gas e don t operate any electrical switches the telephone or any device that may produce sparks open the windows and doors at once to create a draught of air which will purge the area e shut off the gas cocks e get the assistance of a qualified person Emergency telephone number Tel 0800 111999 WARNING v Do not touch the appliance with parts of the body that are wet or damp and or bare feet v Do not block or modify the condensate outlet and pipework v Incase of structural work or maintenance near the exhaust duct and or fume exhaust devices or their attachments turn off the appliance On completion of the work have a professionally qualified person check their efficiency v Repairs under guarantee must be carried out only by a Biasi approved engineer us ing genuine spare parts Thus do no more than switching off the boiler yourself see the instructions v Your boiler allows heating up of water to a temperature less than boiling point e must be connected to a central heating system and or a hot water supply system com patible with its performance and output can be used only for those purposes for which it has been specially designed e must not be touched by children or by those unfamiliar with its operation must not be

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