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User manual and Installation instructions

1. Cylinder Room thermostat thermostat 4 BU 2 A By 5 c 8 GRYE 3 7 WH 5 2 GY 7 Electric supply 4 6 Room thermostat OR 8 Frosta terminal block 2 lt 6 8 8 L c 1 3 lt S S aS BH 3 1 lt 6 8 3 8 lt l SMS N 8 9 MAINS 230V a c 1 Switched 3 Amp fused L spur Mid position BL diverter valve GRYE ae Room thermostat Cylinder thermostat Z Q lt x l l lt q L 10 way 2 junction box z N 1 2 3 4 5 6 7 8 9 10 MAINS Nee ee Ne eke deen 230V a c AIA lATIANIAI IAN ANIA nA Electric suppl Switched 3 Amp fused SeaaeeaAeaee Roof tharrosiat Spur 1 2 3 4 5 6 7 8 9 10 Frostat MN N terminal block I A oa HTG Heating HW ON HotWaterON O HW OFF HotWaterOFF Valve colour key 3 OL _ BU Blue Ls SS GRYE Green Yellow WH White Mo SS grey remove room OR prange thermostat link 1 BN Brown Programmer Fig 6 28 Permanent live Y plan shie INSTALLATION Cylinder Room thermostat thermostat 4 BU 2 A BS 5 c 8 GRYE 3 WH 5 Electric supply 2 GY T
2. 4 2 Main diagram a 44 45 NL TA a Bo 20 26 o 23 24 21 25 s j r i 22 40 N 19 f r ae Ve 39 37 29 ae 30 We 32 35 z 41 33 36 lf a s 7o i K4 y5 X 3 Fig 4 2 3 C h flow valve 4 Gas inlet valve 5 C h return valve 6 Condensate drain pipe 7 Main circuit drain valve 19 Condensing heat exchanger air purger valve 20 Flue temperature probe NTC 26 21 C h temperature probe NTC delivery 22 C h temperature probe NTC return 23 Condensing heat exchanger 24 Safety thermostat 25 Flame detecting electrode 26 Safety thermal fuse 27 Air manifold 28 C h pressure relief valve TECHNICAL INFORMATION 29 Automatic airpurger valve 30 Pump 31 Pump vent plug 32 Gas valve 33 Gas valve inlet test point 34 Control box containing External temperature probe terminal block remote terminal block power supply terminal block external controls terminal block 35 Primary circuit pressure switch 36 Condensate trap 37 Fan 38 Air box air gas mixer 39 Ignition electrode 40 Burner 41 C h expansion tank 42 Flue outlet pipe 43 Air intake pipe 44 Flue exhaust sampling point 45 Air sampling point 46 By pass valve zZ O lt x l l 2
3. 20 15 10 5 0 5 10 15 20 25 External temperature C Fig 7 15 If the boiler is EQUIPED with the remote con trol 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 50 40 K 0 5 30 20 20 15 10 5 0 5 10 15 20 25 External temperature C Fig 7 16 The K coefficients is a parameter that increas es or reduces the boiler flow temperature when the outside temperature changes When installing the external probe it is neces 60 sary to set this parameter based on the effi ciency of the heating plant in order to optimise the flow temperature Fig 7 16 E g In order to have a flow temperature at the heating plant of 60 C with an external tem perature of 5 C set a K at 1 5 sectioned line in Fig 7 16 Sequence for setting the K coefficient e Enter in programming mode by pressing keys 12 15 16 Fig 7 17 for 10 seconds at the same time until the letters P01 are displayed on the LCD display indicating that parameter 01 has been activated Fig 7 18 17 8 OG a D w 2j s04 l s TO OT 12 13 Fig 7 17 Fig 7 18 e Scroll the various parameters using keys 15 or 16 until the letters P15 are display
4. 27 TECHNICAL INFORMATION 4 3 Technical data Activ A Plus 16S Central heating Min Max flow temperature settings C 25 85 250 Maximum pressure Nominal gross Minimum pressure Minimun net Available head in 1000 I h Minimun gross Seasonal efficency G20 Seasonal efficency G31 to the minimum useful output 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 Minimun condensing dwellings The test data from which it has been calcu lated have been certified by a notified body Maximun condensing Values subject to tolerance Gas supply pressures Zz O E lt l l N 28 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 Exhaust temperature Values refer tests with a 1 m flue working at the nominal heat input CO2 contents Nominal heat input Fucsia CO2 content with gas G20 range min max Fucsia CO2 content with gas G3
5. 30 TECHNICAL INFORMATION Gas rate maximum Flue gas figures Nominal heat input kW 25 0 CO2 content with gas G20 9 0 9 8 O2 content with gas G20 3 7 ICO content with gas G20 ppm 238 0 Exhaust temperature 26 83 1 5 ppm 42 Values refer tests with a 1 m flue working at the nominal heat input CO2 contents Nominal heat input Fucsia CO2 content with gas G20 range min max Fucsia CO2 content with gas G31 range min max Minimum heat input ent with gas G20 range x ent with gas G31 range Power consumption Protection degree External fuse rating INSTALLATION Internal fuse rating B23P C13 C33 C43 C53 C63 C83 Coaxial 60 100 Twin split pipes 80 80 Roof 80 125 Nominal heat flow rate 25 0 Exhaust temperature 83 1 Mass flow rate 0 0105 sadis Zz O lt x l l e TECHNICAL INFORMATION 4 5 Hydraulic specifications The hydraulic specifications represents the pressure available head for the central heating system as a function of the flow rate Pression bar 0 50 0 45 0 40 0 35 0 30 0 25 0 20 0 15 0 10 0 05 0 00 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 Fl
6. The heating temperature of the zone valve controlled by remote control is configured using the heating temperature regulation keys on the remote control Setting the heating time brackets for zone 1 room TA zone In order to satisfy a heating request both the TA and the clock must be activated The second zone on the other hand is man aged independently from the remote so it already has its own time brackets N B In the case of a single zone controlled by TA and boiler clock where programmed with time brackets in order to have a heat ing request both the TA and clock consents must be obtained N B The scheduling of the heating brack ets does not affect possible requests for system antifreeze AF which are satisfied irrespective of the time bracket set To set the time brackets Enter programming mode by holding down keys 16 and 17 for 5 seconds Fig 2 12 until the LCD display indicates the symbols shown in Fig 2 11 Fig 2 11 s17 INSTRUCTIONS FOR USE 17 A O iL m Jj L04 s oA OT 12 13 Fig 2 12 Press keys 9 or 10 Fig 2 12 to select the individual day 1 2 3 4 5 6 7 or if you want groups of days with the same time bracket scheduling hold down key 9 until groups 1 5 1 6 1 7 6 7 are dis played flashing then conf
7. 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 30 to connect the external probe rf R SES SES 8 Remote m A SS Q_8 External AL SMS SES Probe mis N SES OHO Electri ue OTE L SMS SS 3 SS SES Ambient Baa Sms SS 1 Fig 6 30 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 R Fig 6 18 6 15 Remote electric connection optional Use the clamps indicated in Fig 6 30 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 thermo
8. e Scroll the various parameters using keys 15 or 16 until the letters P05 are displayed on the LCD display indicating that pa rameter 05 Fig 8 5 has been activated Fig 8 5 e Pressing the 9 key 5 times it is possible to modify the value of parameter 5 see table Parameter Gas type 00 G20 MAINTENANCE 05 G31 e By pressing key 12 Fig 8 3 confirmation of the inserted value is obtained e Press keys 15 or 16 Fig 8 3 to exit with out changing the value 70 e Exiting the programming mode is au tomatic after 15 minutes or by cutting power e Calibrate the gas valve according to the instructions given in the Service manual section Gas valve Adjustment e Reposition the controls panel and remount the front panel of the body e 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 by a 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 Person 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 t
9. trol to select the setting of the K coefficient e Electrically feed the boiler by activating the bipolar switch envisioned during installation e Press button P for more than 3 seconds to enter in INFU Fig 7 22 mode P T OF oe Go BHO Ba 12a O Ae Fig 7 22 Press button OK amp to display the K REG win dow Fig 7 23 61 zZ O lt x l l 2 Zz O E lt x l l N COMMISSIONING Fig 7 23 It is possible to change the value using but tons a i and 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 circulation 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 acting on programming both from the panel controls and the remote control e Enter in programming mode by pressing keys 12 15 16 Fig 7 24 for 10 seconds at the same time until the letters P01 are displayed on the LCD display indicating that parameter 01 Fig 7 25 has been acti vated 62 17 A D m 2j s04 lt s T l OT 12 13 Fig 7 24 Fig 7 25 e Scroll the various parameters using keys 15 or 16 until t
10. 16 Fig 7 46 for 10 sec onds at the same time until the letters P01 are displayed on the LCD display and the value of the parameter 40 Activ A Plus 16S or 41 Activ A Plus 25S indicating that pa rameter 01 Fig 7 47 has been activated 68 17 8 Oe a D m 2j s04 lt s TO OT 12 13 Fig 7 46 Fig 7 47 e Scroll the various parameters using keys 15 or 16 until the letters P02 are displayed on the LCD display indicating that parameter 02 has been activated Press keys 9 or 10 to change the value and confirm the value of the parameter with key 12 Press keys 15 or 16 Fig 7 46 to exit with out changing the value Repeat all the above setting sequences in order to visualize the parameters and their values Exiting the programming mode is auto matic after 15 minutes or by cutting power GAS CONVERSION 8 GAS CONVERSION 8 1 Warnings The commissioning of this boiler and system must only be undertaken by a Gas Safety Registered Engineer quali fied to work on Liquefied Petroleum Gas LPG in accordance with the require ments 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 Operations and gas setting Check that the gas cock mount A ed on the gas p
11. Nominal efficency Combustion efficency Air excess Flue gas CO2 content Flue gas O2 content Flue gas CO content Flue gas temperature Values refer to tests with a an 80 mm double exhaust split by 1 1 m and natural gas G20 and a supply return heating temperature of 60 80 C Fig 9 16 Model Activ A Plus 25S Nominal heat input Nominal efficency Combustion efficency Air excess Flue gas CO2 content Flue gas O2 content Flue gas CO content Flue gas temperature Values refer to tests with a an 80 mm double exhaust split by 1 1 m and natural gas G20 and a supply return heating temperature of 60 80 C Fig 9 17 The values in the tables are measured at the nominal useful power with factory calibration 9 10 Checking the condensate drain pipe The condensate drain pipe 36 Fig 9 18 does not require any particular maintenance but just check e That no solid deposits have formed if so re move them e That the condensate drain piping is not clogged Unscrew the plug to clean inside the pipe 76 MAINTENANCE 9 11 Visual inspection of appliance Visually inspect all water joints seals and connections for any evidence of leakage and retighten grease or replace them as neces sary 9 12 Checking the gas supply pres sure Check appliance for gas tightness Recheck operational pressures as described in section Ch
12. ter if this is not connected and terminated e the installer has connected the condensate outlet to a suitable drain pipe J 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 J Do not touch the appliance with parts of the body that are wet or damp and or bare feet y Do not block or modify the condensate outlet and pipework y 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 J 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 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 e must not be exposed to weather conditions
13. 3 Potential clean contacts N is Sata i K oS L Fy Se Om 1 et eats N SS tees 3 Q 2 SES 1 Fig 6 20 Room thermostat with delay resistor 230V rating Fig 6 21 The thermostat must be insulation class II or must be correctly connected to earth 47 O O ao 0 oao oio aoo olo lolo o o OLOLEOLOLOLAT Z O lt x l l 2 Zz O E lt x l N INSTALLATION Connecting the zone valves controlled by the ambient thermostat lt am Ambient N L amp Thermostat Lt o 2 EET IS E N 2 g amp ov C L 2 8 3 S C z a 2 8 j a A E 4 amp Zone valve 2 with micro contact Fig 6 22 Use the ambient thermostat s clamps indi cated in Fig 6 16 and Fig 6 17 to connect the zone valve Insert the electric cabl
14. E 117 wf 290 k pipework 200 F 50 e Thoroughly clean the connections Fig 6 2 e Mount the boiler on its bracket A Flue outlet air intake pipe co axial e Fix the c h valves L and gas cock M 100 60 to the boiler using the 3 4 gaskets B Flue outlet pipe 80 mm twin kit C Air intake pipe 80 mm twin kit D Bracket E Electric connections area F Condensate drain connection area G C h flow H Gas I C h return AQ INSTALLATION Fig 6 3 e Connect the pipe 8 Fig 6 4 from the pressure relief valve to the safety dis charge pipework e Fit the condensate drain 6 Fig 6 4 in to the drainage pipework e See also section 5 7 in this manual Fig 6 4 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 CORRECT system for installing the wall flue MM iai Fig 6 5 A air intake S flue exhaust A4 Zz O lt x l l 2 Z O E lt x l l N INSTALLATION CORRECT system for installing Fig 6 6 A
15. Fig 9 12 Disconnect the fan connector N by pressing the plastic hook O positioned at the bottom part of the connector Fig 9 12 Unscrew screws Q and remove the fan burner unit 40 Fig 9 12 Unscrew the Q screw nuts and remove the burner group fan 40 Fig 9 12 Extract the burner casing by pulling it out wards The silicon gasket on the front panel of the combustion chamber Fig 9 13 has to be changed when deteriorated and in any case MAINTENANCE itis compulsory to substitute it every 2 years e The detection electrode R in Fig 9 13 also functions as a sensor for the correct drain age of the condensate Should the mentioned electrode come into contact with the condensate water present within the combustion chamber it sends the boiler into safety lockout Therefore should the insulation be wet or deteriorated pro vide for the substitution of the same If the condensate primary exchanger ele ments are dirty notable only after removing the burner body brush them using a bristle brush and remove the dirt using a suction de vice The burner does not require any particular maintenance just remove dust using a bristle brush More specific maintenance will be valuated and carried out by an Authorised Assistance Centre Technician Attention to reassemble repeat O the operations carried out in re verse order Be careful not to damage the OR gasket of the gas pipe when insert
16. Y 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 irritation High dust levels are only li
17. date and year data from the remote itself and synchronises with it ID 20 C h functioning e Press the key 12 for 2 seconds until both tll symbol appear on the display Fig 27 17 9 fa a 16 E im 10 Y eO vl 15 JOT 12 13 Fig 2 7 The LCD display displays the boiler temper ature primary circuit and 1L symbols the C symbol slowly flashes Fig 2 8 16 Fig 2 8 2 4 C h circuit temperature The output temperature of c h water can be adjusted by acting on keys 15 reduce and 16 increase Fig 2 7 from a minimum of about 25 C to a maximum of about 85 C 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 1L flash The background of the display is illuminated Fig 2 9 Fig 2 9 Adjusting the c h 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 a
18. 32 54 COMMISSIONING 7 COMMISSIONING 7 4 Warnings The commissioning of this boiler and sys tem must only be undertaken by a Gas Safety registered engineer in accordance with the requirements of the Gas Safe In stallation and Use Regulations and be ap proved 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 fol lowing completion of the installation and commissioning process Failure to comply with these requirements may invalidate the manufacturers guarantee For Ireland IE it is necessary to complete a Declaration of Conformity to indicate compliance to 1 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 continu ity 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 e Open the gas cock 4 Fig 7 1 on the appli ance and check the gas connector on the appliance for leaks position Fig 7 1 7 4 Initial filling of the syst
19. 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 DATE SERVICE 6 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 7 DATE SERVICE 8 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 9 DATE SERVICE 10 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 NOTES 82 NIA ON VUR VOR RDE NL ON DO VS 17962 2102 0 2811 84A5 UK Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel 01922 714600 Tech Service Tel 01922 714636 www biasi co uk
20. air intake S flue exhaust 42 INCORRECT system for installin Fig 6 7 A air intake S flue exhaust 6 8 Choice of flu The flue exhaust air intake can be installing in the mode C13 C33 C53 Ce3 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 The terminal must be higher A than the infeed boiler side The single coaxial pipe with terminal must be horizontal because the drain pipe is al INSTALLATION 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 for Activ A Plus 16S Activ A Plus 25S Vertical flue exhaust kit with 90 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 for Activ A Plus 16S Activ A Plus 25S in horizontal and however the terminal must always exhaust horizontally Additional bends at 45 or 90 Fig 6 8 C Coaxi
21. and a gas supply pressure of 20 mbar Any variation in gas supply pressure or flue length may result in the customer ex periencing a harmonic noise from the boil er In these circumstances it may be nec essary to reset the burner gas pressures in accordance with section 11 Gas Valve of the Service Manual It should be noted that a Flue Gas Analyser is required for this procedure 7 7 Checking the inlet pressure e Remove the boiler body s front panel see section Dismantling the external panels to page 72 e When the boiler is switched off out of or der check the supply pressure by using the 33 point in Fig 7 6 and compare the value read with that reported on the Gas supply pressure table in the Technical Data sec tion pag 28 Activ A Plus 16S pag 30 Activ A Plus 25S e Close well the pressure point 33 in Fig 7 6 Fig 7 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 Instal lation and Use Regulations 26 9 to per form a combustion analysis test for CO CO2 The limits for the boiler is given in Technical Data section pag 28 Activ A Plus 16S pag 30 Activ A Plus 25S CO2 contents other flue gas figures and com plete the Certificate of Exemption section of the Benchmar
22. 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 E and the writing RESET appear on the LCD display it indicates that the safety lock out has stopped the boiler The display background flashes Fig 7 40 Fig 7 40 Press the reset key 13 on the boiler control panel to reset its functioning 65 zZ O lt x l l 72 Zz O lt x l 2 COMMISSIONING 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 correctly in accordance with the flue fitting instructions and Fig 5 1 on page 34 of this manual To carry out a combustion check refer to the instructions given in the section Combustion analysis check to page 75 of this manual Reference figures are given in the Technical Data section page 28 of this manual Flue gas figures 7 15 Checking the condensate drain pipe Check the soundness and integrity of the con densate 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 in both c h a
23. central heating requirement Useful output kW 25 29 Activ A Plus 258 4 5 1 10 Tiaetiv A Plus 168 0 0 10 20 30 40 50 60 70 80 90 100 Values Fig 7 41 e Enter the programming mode by pressing 66 COMMISSIONING keys 12 15 16 Fig 7 43 for 10 seconds at the same time until the letters P01 are displayed on the LCD display indicating that parameter 01 Fig 7 42 has been acti vated Fig 7 42 17 9 A 2 ia Jj L04 Q 1 oA OT 12 13 Fig 7 43 e Scroll the various parameters using keys 15 or 16 until the letters P12 are displayed on the LCD display and the value of the param eter 100 Activ A Plus 16S and Activ A Plus 25S indicating that parameter 12 Fig 7 44 has been activated Fig 7 44 Itis possible to modify parameter using keys 9 or 10 Fig 7 43 Refer to Fig 7 41 and determine the correct Value appertaining to the output required for the central heating requirement e By pressing key 12 Fig 7 43 confirmation of the inserted value is obtained e Press keys 15 or 16 Fig 7 43 to exit with out changing the value e Exiting the programming mode is auto matic after 15 minutes or by cutting power 7 18 Setting record Impo
24. 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 J 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 4 minutes has elapsed the boiler will then re ignite and operate perfectly normally The igni tion delay cycle does not prevent normal operation of the boiler to provide d h w v If 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 Help line on tel 01922 714 600 6 TABLE OF CONTENTS 1 APPLIANCE DESCRIPTION 8 6 13 Installation of the external temperature probe AA MOVEVIEW coc naiciieiacedatteeds dieene ne 8 optional 66 eee e eee eee eee 53 1 2 Isolation valves 0 0000 c cece eee e ee 8 6 14 Electric connection between the boiler and the 1 3 lt Controlsipanel siss sor gasceusnenc aang pan 2 9 external probe 0s eee eee 53 1 4 LCD general features 00 10 6 15 Remote electric connection optional 53 2 INSTRUCTIONS FOR USE 14
25. product However consideration must be given to clearance requirements for maintenance section Precautions for installation to page 38 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 28 on page 25 that prevents the combustion products en tering the drain The boilers incorporate a condensate trap with a 75 mm seal to comply with BS 6798 2008 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 to a minimum any external pipe should not be more than 3 m in 32 mm 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 internal soil a
26. the system and replacing water lost during servicing must be provided and it must comply with local water authority regulations The correct method is shown in Fig 5 4 The temporary connection must be removed immediately after filling Control valve Double check valve ve Temporary i se C h return pipe 1 Control valve Fig 5 4 Supply pipe cold water inlet 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 Water 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 5 10 Electrical supply Warning this appliance earthed External wiring to the appliance must be carried out by a competent person and be in accordance with the current E E Regula tions and any local regulations which apply Reference should be made to the current ETCI rules for electrical in
27. values press 15 reduce and 22 s USEFUL ADVICE 16 increase keys In order to exit the INFO mode hold keys 12 and 16 Fig 3 5 pressed at the same time The table summarises the possible values visible in INFO mode 3 8 Remote anomaly code 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 Value visualised Index The table summarises the possible codes Primary circuit pressure JOO value di played on Meremote External temperature J01 value Anomaly Code K curve value configured Sar mines J02 value Lack of burner ignition E01 Offset climatic curve value J03 value Safety thermostat lockout E02 Calculated heating set General lockout E03 point with climatic curve J04 value Lack of circulation pump E04 or set configured Faulty fan control system air Eo Temperature NTC delivery J05 value pressure flue thermostat Temperature NTC return J06 value Faulty c h temp probe NTC1 NTC2 FoS Domestic set or Temp Dhw inlet if Faulty external temp probe E08 foreseen NTC with K set Temp Dhw output __ Flame detection error E11 Dhw capacity Lack of circulation T gt 105 C E14 Flue temperature if Jti valie foreseen 39 FI b i ue p
28. 1 range min max Minimum heat input ent with gas G20 range x ent with gas G31 range Power consumption Protection degree External fuse rating INSTALLATION Internal fuse rating B23P C13 C33 C43 C53 C63 C83 Coaxial 60 100 Twin split pipes 80 80 Roof 80 125 Nominal heat flow rate 16 0 Exhaust temperature 72 0 Mass flow rate 0 0068 29 TECHNICAL INFORMATION 4 4 Technical data Activ A Plus 25S Central heating Min Max flow temperature settings C 25 85 300 Maximum pressure Nominal gross Minimum pressure Minimun net Available head in 1000 I h Minimun gross Seasonal efficency G20 Seasonal efficency G31 to the minimum useful output 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 Minimun condensing dwellings The test data from which it has been calcu lated have been certified by a notified body Maximun condensing Values subject to tolerance Gas supply pressures Zz O E lt l l N
29. 2 Location of appliance The appliance may be installed in any room or internal space although particular atten tion is drawn to the requirements of the cur rent I 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 1 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 33 zZ O lt x l a no
30. CCORDANCE WITH E MANUFACTURER S INSTRUCTIONS YES FOR ALL INSTALLATIONS CONFIRM THE FOLLOWING E HEATING AND HOT WATER SYSTEM COMPLIES WITH PARTS 4 amp 7 OF THE BUILDING REGULATIONS E 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 CO CO2 RATIO READING N A YES CO CO RATIO E OPERATION OF THE APPLIANCE AND SYSTEM CONTROLS HAVE BEEN DEMONSTRATED TO THE CUSTOMER E 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 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 DATE
31. GENERAL REQUIREMENTS discharges into an other room or space as H From external corners 300 an outhouse or lean to It is important that 1 Above ground or balcony lev the position of the terminal allows a free el 300 passage of air across at all times J From a next door boundary 2500 The terminal should be located with due K as a terminal facing a termi aa regard for the damage or discoloration that might occur to building products in the vicin ity L From an opening in the car port e g door window into dwell In cold and or humid weather water vapour M VN fom aterminaliinihe Ne may condense on leaving the flue terminal s e wali 1500 the effect of such steaming must be con N Horizontally from a terminal in sidered the same wall 300 Pluming may easily occur at the terminal O Above the roof pitch with roof Where possible terminal position which slope less than or equal to 30 350 could cause a nuisance should be avoided O Above the roof pitch with roof The minimum acceptable spacing from slope more than 30 600 the terminal to obstructions and ventilation P From wall face 600 openings are specified in Fig 5 1 Q From above or to side of an opening 300 Wherever 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 J Wall terminals with horizontal discharge less th
32. P lt Pon 0 2 L decreasing E21 RESET Lockout EVG a pressure critical 0 00 lt P lt 0 15 bar E22 RESET Lockout EVG 10 1 0 I Pump activated for the Lal LALI post circulation phase E23 RESET Lockout EVG Po flashing tempera ture flashi E24 RESET Abnormal combustion ute dashing ignition lock mcr a E25 RESET Abnormal combustion i oe a pags operation lock phase asing temperature flashing AF E69 Pa Wiring error lockout u as Boiler requesting heat E99 fr Boiler not configured tof ing power and remote a control connected Boiler Stand By hy a de phens are turned on in Sie sequence to simulate Leary Set ch running antifreeze pro 1 Zi all other symbols are tection activated disabled c Delayed burner ignition Lit i for setting the system l l the hourglass symbol oa _ turns on 12 APPLIANCE DESCRIPTION LCD FUNCTION Boiler in chimney sweep in function The activation of the chimney sweep occurs configuring the param eter PO9 01 and is visualized LP minimum dhw hP minimum heating cP maximum heating dP maximum dhw The transition occurs with keys 16 increase and 15 decrease dhw temperature The writing on the dis play alternates INSTRUCTIONS FOR USE 2 INSTRUCTIONS FOR USE 2 1 Warnings Biasi UK Ltd support the Benchmark initiative The Benchma
33. Room thermostat 4 6 Frostat OR 8 terminal block 1 2 lt w Qe L co 1 2 s CSO E S 3 4 8 lt SES 3 N 2 6 e MAINS 7 2 CES 230V a c Programmer Switched 3 Amp fused 1 spur _____ Mid position BU diverter valve GRYE O WH GY OR Room thermostat Cylinder thermostat e 2 G 10 way junction box Zz O lt x l l N Z N 2 3 4 5 6 7 8 9 10 La LO A LO I HO Lo LO I GLICLOLG_IO_IOUOLOLU MAINS ea dae dada ia a a c Switched 3 Amp fused 2e2eeeee eee Electric supply spur 2 3 4 5 6 7 8 9 10 Room thermostat Frostat terminal block gt HTG Heating mS HW ON HotWaterON HW OFF HotWaterOFE Lf Qe Valve colour key 3 BU Blue Q GRYE Green Yellow Pd WH White Do not Q GY Grey remove room OR Orange Programmer thermostat link 1 BK Black BN Brown Fig 6 29 Not permanent live Y plan 52 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
34. T EINA ignition by pressing the re on safety lockout l T error UZ RESET eae me ac d Ear i E03 RESET General lockout K Constantly illuminat Little pressure in the ed set value illumi nated temperature is displayed without Constantly l l decimals but with l l a sign probe con nected bar V psi Indicated boiler Lt pressure Lit E04 a system or pressure transducer disconnect ed E05 Lr Pressure switch anom aly if present E06 fr Faulty c h temp probe NTC1 or NTC2 E08 a Faulty external temp probe NTC with K set E09 fr E10 RESET Faulty flue temp probe NTC if present Flue probe intervention lockout if present f APPLIANCE DESCRIPTION LCD FUNCTION LCD FUNCTION In the case of incorrect E11 RESET Flame detection error pressure the value is 2 Failure retum NTC bar visualised with a flash E12 probe PTa ing symbol I 4 When pressure is DT delivery return gt m achieved the symbol E13 l Lal 40K if foreseen remains on for 15 s and Faulty pump or primary W bar ee E14 RESET temperature above ee Pranic 105 C mt mM high pressure gt 2 8 Absence of flow from Lt _l A bar oN ae pare E14 Pa temperature gradient wintermediate pres gt 2K s YY bar sure eeu 0 15 lt P lt Pon rising E20 RESET Lockout EVG Mm I 0 15 lt
35. Wall hung fanflue roomsealed high efficiency gas boiler User manual and Installation instructions Activ A Plus Models Activ A Plus 16S Activ A Plus 25S ergy soe recommended CE ABAS WARNING Congratulations on your choice Activ A Plus 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 Activ A Plus 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 malfunctioning and or damage to materials of the applia
36. a b Fig 6 13 of 15 metres for Activ A Plus 16S Activ A Plus 25S 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 e Unscrew screws O and remove the front panel P by pulling it and pushing it to wards the top so that it is freed from the top housing Fig 6 14 Fig 6 14 e Identify the terminal block cover lid Q 45 INSTALLATION Zz O lt x l l N INSTALLATION Fig 6 15 and open it 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 e 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 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 ho
37. 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 are 20 USEFUL ADVICE advised to have the following checks car ried out e domestic hot water heat exchanger condensing heat exchanger burner 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 precedes the letter E and the writing RESET see LCD general features to page 10 appear on the LCD display it in dicates that the safety lock out has stopped the boiler The display background flashes Fig 3 3 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 operatio
38. aflet 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 39 Zz O lt x l l 2 Zz O lt x l l N INSTALLATION 6 4 Overall dimensions 6 5 Joints The boiler respects the following dimen The boiler uses the following fittings sions Cc B A gt Pipe sizes g gay 980 E Functions 0 d LA IAAGS t a Gas c h return c h flow 22 a 100 149 Pressure relief valve 15 S 1oy 500 Condensate drain 25 plastic qu sizes in mm o d A Condensate drain to be realised with min B pipe 30 mm c 6 6 Mounting the boiler e Assemble the pre piping kit bracket by screwing the four screws J Fig 6 3 Ss e Fix the c h valves L and the gas cock g M with the remaining forks K to the prepiping kit bracket G e Mount the bracket of the prepiping kit to H the wall See also section Installing the l bracket pag 39 e Fix the 22 mm copper pipes N to the iit g H L Ea valves L M using the gaskets e Take the protective caps off the boiler
39. al 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 5 m 1m 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 Air intake adapter Fig 6 9 43 Z O lt x l l 72 Zz O E lt x l l no INSTALLATION N B The air intake and the flue outlet must not terminate on opposite sides of the building EN 483 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 realised with the aid of extensions must not exceed 40 m for Activ A Plus 16S Activ A Plus 25S 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 9 m 1 65 m Fig 6 11 44 Ce3 TYPE If using pipes and terminals by other manu facturers Type Ces it is neces
40. an 2 5 m from a car parking space l and less than 2 1 m above the ground Z O E lt x l 2 Fig 5 1 Wall terminals less than 2 1 m above the ground with horizontal discharge of the Terminal position mm flue products across a public footway or A Directly below the window or a frequently used private access route other opening 300 or a patio hard surface area B Below gutters soil pipes or drain pipes 75 C Below eaves 200 5 4 Gas supply D Below balconies 600 The Gas meter is connected to the service E Below car port roof NO pipe by the local gas region or a local gas F From vertical drain pipes and region contractor soil pipes 150 If the gas supply for the boiler serves other G From internal corners 450 appliances ensure that an adequate supply 334s 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 for this particular
41. as pressures and flow rates as shown in section GAS CONVERSION to page 69 of this booklet e Check that the condensate produced dur ing functioning fills the pipe and is regularly drained in the draining plant pipe e Switch off the boiler by pressing the 12 Fig 7 8 key for 2 seconds until the symbol appears on the LCD display Fig 7 7 The boiler will now go through an ignition se quence and the burner will light If after four ignition attempts about four min utes the boiler does not function and a code that precedes the letter E and the writing RE SET appear on the LCD display it indicates that the safety lock out has stopped the boiler The display background flashes Fig 7 10 Fig 7 10 Press the reset key on the boiler control panel COMMISSIONING 13 Fig 7 8 to reset its functioning For the first lighting up and following mainte nance 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 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 ap pliance 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
42. checked for leaks Water comes out of the pressure relief valve Check on 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 positioned under the boiler to page 19 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 19 and call a competent and responsi ble Service Engineer Q 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 key 14 Fig 3 5 the index J00 and the val ue of the parameter appear on the display Fig 3 6 17 9 ka 16 3 w m LO lt 15 7 U JOT 12 13 Fig 3 5 Fig 3 6 To scroll the
43. control optional is used Act on the programming of the REMOTE con trol to enable its functioning if the remote con trol optional is used e Press button P for more than 3 seconds to enter in INFO mode P l TAa pig 1200 O Fre Fig 7 11 Press buttons 4 and at the same time to enter the transparent programming Fig 7 12 D OG l l gl te D eee EH SL M DI Fig 7 12 e Press buttons ge v or ge to display the PM15 program that enables the external probe Fig 7 13 NV 1 pe Fa z Ze E Se a M D l a D0 PMS Fig 7 13 e Modify the programmed SET by acting on buttons a or v until a setting of 60 is displayed wait for the number programmed to flash Fig 7 14 wer sl ee re A ZEN TAR _ dl PM 4 er P Fig 7 14 e To exit programming press button 59 zZ O lt x l l no Zz O E lt x l l N COMMISSIONING 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 K 4 K 3 K 2 K 1 5 K 1
44. cting 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 28 and Fig 6 29 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 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 28 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 29 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 28 Zz O lt x l 2 50 INSTALLATION
45. de e Push the spring towards the internal side of the boiler and simultaneously push the front case panel D until it is completely hold in place Fig 9 8 step 1 2 e Repeat the same operation on the opposite side of the front panel D Fig 9 8 step 3 4 e Ensure that the front panel edge is close fitting to the side panels e Lock in place the panel D with the appropri ate screws A Fig 9 6 MAINTENANCE position Fig 9 9 73 MAINTENANCE MAINTENANCE e Loosen the central heating drain cock 7 indi cated in Fig 9 10 Main circuit G drain valve Fig 9 10 e To make draining easier lift the plug 29 of the automatic relief valve in Fig 9 11 e A small quantity of water will remain in the d h w heat exchanger after draining If the boiler is being drained to prevent freezing the d h w heat exchanger must be removed and inverted to drain fully or an antifreeze solution added 9 6 Cleaning the condensing prima ry exchanger and the burner Removing the fan burner unit 40 in Fig 9 12 74 vu Z O Z Remove the body s front panel and turn the controls panel see Dismantling the exter nal panels to page 72 Unscrew the connector L remove the fixing fork K and remove the pipe J Unhook the silencer pipe Insert a flat screwdriver in the connector re cess P and lever towards the bottom dis connect the connector at the same time M by pulling towards the front M
46. djustments for Your sys INSTRUCTIONS FOR USE tem The control of the set temperature reached can be seen on the LCD display by means of the missing symbol A Power request in c h power When the boiler ies a power request in the c h mode the A symbol is displayed on the display followed by an increase of the c h water flow temperature The 1L symbol flashes and the circulator is activat ed Fig 2 10 Fig 2 10 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 keys 15 reduce and 16 increase Fig 2 7 Regulation of heat temperature inde pendent between the two areas with re mote control installed When the zone valves are installed one controlled by the ambient thermostat and the other by the remote control it is possible to have two different heat delivery tempera tures The heating temperature of the zone valve controlled by a thermostat is configured on the boiler control panel using keys 15 and 16 Fig 2 7
47. ease refer to paragraph 1 3 to page 9 2 5 Extinguishing Press the key for 2 seconds 12 Fig 2 17 until the symbol appears on the display Fig 2 18 position 17 Fig 2 19 9 o y 16 A So e If necessary empty the hydraulic circuits w see section Emptying the c h system to 1 0 eO is pagers 14 o J J 12 13 Fig 2 17 Fig 2 18 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 19 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 15 and 16 heating adjust ment keys Fig 3 1 17 9 lt A a 16 ill 1 0 e Qs TOA OT 12 13 Fig 3 1 3 2 Frost protection The anti freeze system and any additional protections
48. ecking the gas supply pressure to page 57 of this manual 9 13 Water 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 partial drain down A conductivitymeter can be used to check the correct concentration of inhibitor in the heat ing water 9 14 Setting the boiler chimney sweep function With the boiler set in chimney sweep mode it is possible to exclude some boiler automatic functions making check and control opera tions easier e Enter in programming mode by pressing keys 12 15 16 Fig 9 19 for 10 seconds at the same time until the letters P01 are displayed on the LCD display indicating that parameter 01 Fig 9 20 has been acti vated 17 0 eat D m zj s04 lt s TOA OT 12 13 Fig 9 19 Fig 9 20 Chimney sweep function at minimum out put in domestic hot water mode Press keys 15 and 16 Fig 9 19 at the same time until the LCD display displays the letters LP that alternate with the heating water temperature value e g 45 indicating the activation of the chimney sweep func tion at minimum output Fig 9 21 Fig 9 21 77 Wu 1S Zz lt x Zz W ce lt MAINTENANCE MAINTENANCE Chimney sweep function at minimum out put in heating mode e B
49. ed at the back of this manual and should be completed by the Installing Commissioning Gas Safety Registered 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 com pleted 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 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 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
50. ed on the LCD display indicating that parameter 15 Fig 7 19 has been activated COMMISSIONING Fig 7 19 e Using keys 15 or 16 it is possible to change the value of parameter 15 from a minimum of 01 to a maximum of 60 based on the se lected bend of the K coefficient in Fig 7 16 the value read on the display corresponds to K coefficients decimal values The writing P15 SEt alternates on the dis play Fig 7 20 Fig 7 20 e By pressing key 12 Fig 7 17 confirmation of the inserted value is obtained e Press keys 15 or 16 Fig 7 17 to exit with out changing the value Fig 7 19 e Exiting the programming mode is auto matic after 15 minutes or by cutting power At this point the plant flow temperature will fol low the trend in relation to the K coefficient set However if the ambient temperature is not comfortable the flow temperature of the heat ing plant can be increased or reduced by 15 C by acting on keys 15 reduce and 16 increase Fig 7 17 C h flow mn temperature C 80 70 60 50 40 30 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 15 and 16 for 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 con
51. ee aie 2 4 WarningS 22 03 nan teedyen eid tee an eee Me eg ne eh dy or oe neg oY 2 2 Refilling procedure 008 14 7 S ONMMISSIONING E E E cat Rg ateai 8 55 29 AGHIOM sscisinstiae aaa tantiea sais phe eat 15 Warnings 1 20 cece cece nee eee eas 55 2 4 C h circuit temperature 16 73 Electrical installation 0 55 2 5 Extinguishing a an 19 73 Gas Supply Ineta ation viet enter eee tenes ee i nitial filling of the system 00 3 diggers Outs pee So tae oe Ea 20 7 5 Condensate pipe and traps 56 32 Frost rie dian E ae ee 20 7 6 Checking the gas supply pressure 57 5 p peo akg GPa O 7 7 Checking the inlet pressure 57 3 3 Condensate drain 0 0008 20 ge f 3 4 Periodic maintenance 20 7 8 Lighting the boiler 000 57 35 External dleaning 0s 21 7 9 Enabling functioning of the external 36 Operational taute e r E 21 temperature probe by the remote control 59 37 Be laying in INFO mode UUU 22 7 10 Setting the K coefficient of the external piaying tn MOSS EEEn E temperature probe 22 00 0 0080024 os 60 38 Permo anomaly Code sees 5 7 11 Setting the pump post circulation 62 DIODE soit ide sade eae ta p 7 12 Selecting the reignition frequency 64 4 TECHNICAL INFORMATION 25 7 13 Checking the ignition device 65 ON CEVIOW i aia
52. em e Open the c h flow and return valves e Remove the front and side panels of the case section Dismantling the external pan els to page 72 and the sealed chamber lid e Lift the plug on the automatic air purger valve 29 in Fig 7 2 and leave open perma nently Zz O lt x l l no Zz O lt x l N COMMISSIONING e Before slackening the main condensing breather pipe exchanger 19 in Fig 7 3 con nect a small draining pipe to the hose nozzle to drain water out Fig 7 3 e Gradually open stopcock at the filling point connection to the c h system until water is heard to flow do not open fully 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 31 Fig 7 2 release the pump shaft by turning in the direction indi cated by the arrow on the information plate Replace the pump plug Continue filling the system The actual read ing should ideally be 1 3 bar and not less than 0 3 bar Close all air release valves on the c h sys tem Inspect the boiler and the system for water tightness and remedy any leaks discovered Cold flush the system to remove any loose particles and any system debris before start ing 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 S
53. es in roofs and under floors By pass The appliance includes an automatic by pass valve which protects the main heat exchanger in case of reduced or interrupted water circulation through the heating system due to the closing of thermostatic valves or cock type valves within the system The by pass is calibrated to assure a mini mum flow of 200 300 Its hr through the main heat exchanger If you are installing a system that includes thermostatic radiator valves TRV and or small bore 8 10 mm it may be necessary to fit an external by pass to facilitate correct operation of the boiler The fitting of an external bypass 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 Expansion vessel The appliance has an integral sealed expan sion vessel to accommodate the increase of water volume when the system is heated Refer to Fig 4 4 on page 32 for its techni cal data If the heating circuit has an unusually high water content calculate the total expansion and add an additional sealed expansion vessel with adequate capacity Mains water feed central heating There must be no direct connection to the mains water supply even through a non re 36 GENERAL REQUIREMENTS turn valve without the approval of the Local Water Authority Filling A method for initially filling
54. es of 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 R Fig 6 18 Be careful not to connect pow ered cables on clamps 1 and 3 Connection of a remote controlled zone valve Connecting a zone valve to the terminal of the auxiliary card and the remote control to the specific terminals it is possible to control this zone with the same remote control Moreover should another zone controlled by an ambient thermostat be present it is possible to regulate both zones with a dif ferent delivery temperature In order to achieve this setting it is neces sary to enter into the programming load en try sequence scroll the various parameters using keys 15 or 16 Fig 6 24 until the let ters P04 appear on the LCD display as well as the value of the parameter indicating the entry in parameter 04 Fig 6 23 Fig 6 23 Utilising keys 9 or 10 modify the value of the parameter from 00 to 01 valid in order to differentiate the delivery temperatures of the heating system By pressing key 12 confirmation of the in serted value is obtained Press keys 15 or 16 to exit without changing
55. firmation of the inserted value is obtained e Press keys 15 or 16 Fig 7 32 to exit with out changing the value e Exiting the programming mode is auto matic after 15 minutes or by cutting power Programming using the REMOTE control Act on the programming of the REMOTE con trol to select a minimum time between two ig nitions when the boiler functions in normal on off heating mode e Press button P for more than 3 seconds to enter in INFO mode Fig 7 36 COMMISSIONING P l PPOR pE 1200 O ME Fig 7 36 Press buttons 4 and at the same time to enter transparent programming Fig 7 37 D OG l 8 Ae ier Be e ee CH SL M p Fig 7 37 Press buttons g v or 4 to display the PM10 program for selecting the ignition frequency Fig 7 38 r N Dea ant her eT es ry PM if L E ly ITITS PM o 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 O to 8 and half minutes Each step increased or decreased corre sponds to 2 seconds e To modify the programmed SET act on but tons a or v i and wait for the number programmed to flash Fig 7 39 TE He a eN Pre gt M a v l Ea Fig 7 39 e To exit programming press
56. hat you put a dust sheet over the top of the boiler until you are ready to make the flue connection ae 0 Z Z x WARNING J 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 JY Remember to release the auto air purge before filling the boiler See the instructions to identify the location of this device 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 y 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 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 automatic opera tion remember that for
57. he electricity supply by turning off the fused spur isolation switch adjacent to the appliance and turn off the gas cock before carrying out any proce dures whatsoever for cleaning maintenance opening or dismantling boiler panels The En gineer should complete the Service Interval Record at the back of the manual 9 2 Programming the maintenance period e Activate the clock function as described in Time Day Date setting to page 15 Enter programming mode by holding down keys 12 15 16 together for 10 seconds Fig 9 1 until the LCD display indicates the letters P01 indicating entry in parameter 01 Fig 9 2 17 9 16 10 15 11 14 Fig 9 1 Fig 9 2 e Scroll through the various parameters using key 15 or 16 until the LCD display indicates the letters P28 and the value of the param eter indicating entry in parameter 28 Fig 9 3 Fig 9 3 e Use key 9 or 10 to modify the value of pa rameter 28 from 00 months to 48 months The value 99 which disables the mainte nance request is permitted The writing P28 SEt alternates on the dis play Fig 9 4 Ww 1S Zz lt x Zz W ce lt 271 MAINTENANCE MAINTENANCE Fig 9 4 e By pressing key 12 Fig 9 1 confirmation of the inserted value is obtained e Press keys 15 or 16 to exit with
58. he letters P11 are displayed on the LCD display indicating that parameter 11 Fig 7 26 has been activated Fig 7 26 e It is possible to modify parameter 11 by 00 0s to 99 255s using keys 15 or 16 each increase or reduction by a unit on the display corresponds to 2 5 seconds Ex 17 42 seconds e The writing P11 SEt alternates on the dis play Fig 7 27 COMMISSIONING D OG l l D Je CH SL M D1 Fig 7 29 e Press buttons ge v or ge 4 to display the Fig 7 27 PM11 program of the pump post circula tion Fig 7 30 e By pressing key 12 Fig 7 24 confirmation ther of the inserted value is obtained me Fs e Press keys 15 or 16 Fig 7 24 to exit with T e out changing the value rov M 1 e Exiting the programming mode is auto matic after 15 minutes or by cutting power Programmin usin the REMOTE control y zZ e Press button P for more than 3 seconds to FM 44 fe enter in INFO mode Fig 7 28 k P Fig 7 30 e To modify the programmed SET act on i zZ ee buttons a N or v and wait for the pro a B P aN o grammed number to flash Fig 7 31 Each g 2j N O B Ha step increased or decreased corresponds to 0D SS EH SL 1 second py 3 Fig 7 28 si ia ie I 7 i T l Press buttons and at the same PM 11 eh time to e
59. ied 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 38 INSTALLATION 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 existing c h system flush it out thoroughly be fore fitting 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 le
60. ing the pipe in Air box After any service operation on the components of the gas circuit check all the connections for gas leaks 9 7 Check the pressure of the heat ing expansion vessel Drain the heating circuit as described in sec tion Emptying the c h system to page 73 and check that the expansion vessel pressure is not less than 1 bar If the pressure is less see to correct pressuri sation 9 8 Checking the flue expulsion pipe Have the integrity of the flue outlet pipe air in take pipe checked periodically at least once a year For all the above maintenance opera tions it is advisable to call an approved Ser vice Engineer 9 9 Combustion analysis check Carry out performance checks at the intervals provided by the laws in force 75 Ww 5 Zz lt Z W zZ lt MAINTENANCE MAINTENANCE e Connect a flue analyser to the flue analysis outlets on the flue exhaust of the boiler Fig 9 15 Flue analysis e Activate the chimney sweep function at maximum heating power vedere Setting the boiler chimney sweep function a pag 77 e Make sure that the ambient thermostat is in the position call for heat e Withdraw an abundant amount of d h w by opening the faucets e Check the combustion of the boiler using the outlets located on the flue tubes Fig 9 15 and compare the data measured with that following Model Activ A Plus 16S Nominal heat input
61. iping to the boil er is closed and that the appli ance is not powered e Remove the body s front panel and turn the control panel as shown in section MAINTENANCE to page 71 e Unscrew the connector C remove the fixing fork A and remove the pipe B Fig e Carry out gas conversion by correctly re placing the gas restrictor Fig 8 2 refer ring to the Technical Data section page 28 Activ A Plus 16S page 30 Activ A Plus 25S C gt Gas restrictor Attention to reassemble repeat the operations carried out in re verse order Be careful not to damage the OR gasket of the gas pipe when inserting the pipe in the air box air gas mixer After any service operation on the compo nents 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 e Enter in programming mode by pressing keys 12 15 16 Fig 8 3 for 10 seconds at the same time until the letters P01 are displayed on the LCD display indicating that parameter 01 Fig 8 4 has been activated 69 W 8 zZ lt Z W lt GAS CONVERSION 17 9 A Cs 16 a m Jj 2 s 11 14 12 13 Fig 8 3 Fig 8 4
62. irm by pressing key 12 The days or groups of days selected will be indicated via the related icons on the left side of the LCD Fig 2 13 Fig 2 13 Press key 12 followed by key 16 to program the first ignition period PI on confirm by pressing key 12 the subsequent off time PI off is already prompted with an additional 15 minutes minimum programming inter val to modify this press key 12 followed by key 16 and confirm by pressing key 12 Repeat this sequence for P2 on and P2 off P4 on and P4 off for every day or group of days selected Fig 2 14 18 Fig 2 14 If all 4 programmes P1 P4 are not used the unused programmes must be set to 0 as shown in Fig 2 15 Fig 2 15 Once the scheduling is set to 00 00 confirm with key 12 and the related automatic off time bracket will be set to 00 00 Fig 2 16 Press key 17 briefly to save the values en tered and the display will indicate OK to confirm Fig 2 16 Fig 2 16 INSTRUCTIONS FOR USE To exit programming hold down key 17 for e Shut off the gas supply cock and the 5 seconds all changes will be saved or valves for the water circuits fitted under wait 60 seconds the boiler Fig 2 19 N B If you re enter programming mode to modify the values the new brackets over write the previous ones if necessary wher ever they have already been programmed or they overwrite them fully or partly To reset all the time brackets pl
63. k 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 switching the boiler on for the boiler to operate on heat 57 zZ O lt x l a 72 Zz O E lt x l l N COMMISSIONING ing for a few seconds then switch off After 3 4 minutes 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 If external controls are fitted e g Timeclock 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 Press the 12 key for 2 seconds until L symbol appear on the display Fig 7 8 17 9 fa G as 16 E u 10 V sO v 15 11 e J 14 12 13 Fig 7 8 The LCD display displays the boiler tempera ture primary circuit and the 1IL symbol Fig 7 9 58 Fig 7 9 e Open the gas cock e Make sure that the ambient thermostat is in the heat request position e Check the correct functioning of the boiler both in domestic hot water mode and in heating mode e Check the g
64. kely 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 lt J 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 y Do not forget to remove the transit caps and plugs from the boiler connections these are fitted to every boiler J 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 connection is made It is recommended t
65. mpatibility Directive 2004 108 CE Low Voltage Directive 2006 95 CE 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 sT 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 2 3 4 5 6 7 8 Gas supply label C h flow valve Gas inlet valve C h return valve Condensate drain pipe Main circuit drain valve C h pressure relief valve pipe model and serial number of the boiler label 1 Controls panel APPLIANCE DESCRIPTION 1 3 Controls panel 18 17 9 A fa 16 w ii Jj L04 Q 1 To OT 12 13 Fig 1 3 9 Increase value key in programming 10 Reduce value key in programming 11 3 star preheating function key unused 12 Reset Stand by Winter Summer key 13 Reset Key 14 Access to function menu key 15 C h temperature reduce key 16 C h temperature increase key 17 Clock key used to access the clock functions Time Day Date setting and the timer 3 star preheating fu
66. n 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 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 13 Fig 3 1 to reset its functioning In this case and in case of per Q sistent lock out call a compe tent and responsible Service Engineer Other operational faults signalled on the LCD display If the LCD display displays a code that pre cedes the letter E and the symbol the boiler has an anomaly that cannot be reset The display background flashes Fig 3 4 Fig 3 4 221s USEFUL ADVICE 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 the section Refilling proce dure to page 14 of this manual Bleed any air present in the radiators if necessary The pressure 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 14 of this manual If topping up with water has to be done very frequently have the system
67. nce or other objects ATTENTION The indications marked with this symbol is important informa tion that must be carefully read Q Remember that Q J 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 Z Z a J The lighting up must be carried out by competent and responsible engineer J The manufacturer e disclaim all liability for any translations of the present manual from which incorrect inter pretation may occur e cannot be held responsible for non observance of instructions contained in this manual or for the consequences of any procedure not specifically described J Guarantee conditions The guarantee registration form must be returned within 30 of purchase failure to com ply will invalidate the guarantee Using the boiler J 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 e 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 J 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 valve and consequent escape of wa
68. nction and heating flow timer 18 LCD display Ay A RESET that takes all parameters 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 Press keys 13 and 17 Fig 1 3 simultaneously for 5 seconds in order to reset all the scheduling both preheating and heating After resetting or in default sta tus the heating function will be activated for every day for all 24 hours This is also the default status of boilers upon delivery Resetting will be confirmed by a flashing RESET along with the symbol 1 APPLIANCE DESCRIPTION 1 4 LCD general features For the boiler technical informations refer to the section TECHNICAL INFORMATION to page 25 KEY All symbols repre v sented with lines Al that surround them A indicate that the symbol is flashing Constantly illuminat K ed chimney sweep function enabled Constantly illumi nated the presence of this symbol during normal operation in dicates that the heat AM L PM ling or preheating timer has been set Flashing this indi cates that the clock has not yet been set by the user Constantly illumi nated boiler power X delayed by inhibi tor AFCT or other events INFO menu input enabled 10 Indicate the status of the scheduling re quest Flashing comfort program in process
69. nd d h w modes Take the User step by step through the lighting instructions Show the User how to switch off the appliance quickly and indicate the position of the electric supply isolator Explain the proper use and adjustment of all system controls this will ensure the greatest possible fuel economy Explain the function and use of the function selector Explain and demonstrate 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 pre cautions necessary to prevent damage should the appliance be inoperative when freezing conditions may occur Fill in the details required on the Boiler Guar antee Certificate and hand to the User advis ing 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 docu mentation integral and within reach for consul tation 7 417 Adjustment of useful c h out put 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 domestic hot water production Refer to Fig 7 41 and determine the correct Value appertaining to the output required for the
70. nd vent stack A Condensate drain Dimensions in mm Fig 5 2 A Boiler B Internal soil and vent stack C Invert D 450 mm up to three storeys 35 zZ O lt x l l 72 zZ O lt x l 2 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 BSEN 12828 2003 BSEN 12831 2003 amp BSEN 14446 2004 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 spac
71. ng 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 disconnection in overvoltage III cat egory conditions Refer to section Electric connection to page 45 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 e The boiler must be fixed to a strong wall The dimensions for the exhaust fume duct detailed in section Choice of flu to page 42 and the correct procedures for install ing the duct depicted in the instruction leaflet included with the flue kit must be compl
72. nter transparent programming Fig 7 29 P Fig 7 31 e To exit programming press button P 63 Z O lt x l l N COMMISSIONING 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 ignition fre quency This time can be changed by a minimum of zero to a maximum of eight and a half minutes by acting on programming both from the panel controls and the remote control e Enter the programming mode by pressing keys 12 15 16 Fig 7 32 for 10 seconds at the same time until the letters P01 on the LCD display indicating that parameter 01 Fig 7 33 has been activated 17 9 A a 16 a D P Jj L04 Q 1 11 ol 14 12 13 Fig 7 32 Fig 7 33 e Scroll the various parameters using keys 15 or 16 until the letters P10 are displayed on the LCD display indicating that parameter 10 Fig 7 34 has been activated 64 Fig 7 34 e It is possible to modify parameter 10 by 00 0s to 100 510s using keys 9 or 10 each increase or reduction by a unit on the dis play corresponds to 5 seconds Ex 36 180 seconds e The writing P10 SEt alternates on the dis play Fig 7 35 Fig 7 35 e By pressing key 12 Fig 7 32 con
73. out changing the value e Exiting the programming mode is auto matic after 15 minutes or by cutting power After maintenance if the value is left on 0 the maintenance symbols will not disappear but instead continue to flash as they did prior to maintenance The remaining months until maintenance will be replicated in read only in the info section under value J15 N B the flashing symbol in Fig 9 5 is not an error The boiler continues to run normally but it indicates the expiry of the maintenance pe riod Fig 9 5 9 3 Dismantling the external panels Front panel e Unscrew screws A and remove the front 72 s panel D by pulling it and pushing it towards the top so that it is freed from the top hous ings Fig 9 6 Side panels Loosen screws B F and C H in Fig 9 6 and remove the two side panels E and G by pulling towards the outside SS Fig 9 6 MAINTENANCE Control panel Turn the controls panel as shown in figure Fig 9 7 to access in an optimal manner the components inside the boiler Fig 9 7 Fig 9 8 9 4 Reassembly the external panels Side panels 9 5 Emptying the c h system Fit the external panels E and G in the reverse e Close the c h isolating valves 3 and 5 in order to that described on section Disman Fig 9 9 tling the external panels to page 72 Front panel e Fit the front panel D hooking it on the up per si
74. ow h Fig 4 3 The boiler load loss has already been re moved Flow_rate_ with closed thermostatic valves The boiler is equipped with an automatic by pass which protects the condensing pri mary exchanger In case of excessive reduction or total stop ping of water circulation in the heating plant due to the closing of thermostatic valves or circuit elements valves by pass ensures a minimum water circulation inside the con densing primary exchanger The by pass is calibrated to a differential pressure of about 0 3 0 4 bar 4 6 Expansion vessel Note this boiler is designed for opera tion only in a sealed central heating sys tem The height difference between the pressure relief valve and the highest point in the sys tem may be 10m at most For greater differences increase the pre load pressure in the expansion vessel and the system when cold by 0 1 bar for each additional 1m Total capacity Pre load pressure Useful capacity Maximum volume of water in the system Fig 4 4 Where conditions are e Average maximum temperature of the system is 85 C e Initial temperature when filling up the sys tem is 10 C For systems with volumes greater then the one indicated in the above table an additional expansion vessel must be pro vided 32 GENERAL REQUIREMENTS 5 GENERAL REQUIREMENTS Our Company supports the Benchmark initiative The Benchmark Log Book is locat
75. pna tinne niera actos e wuss eenad aoe 75 6A WAIMMINGS sic cio yr oia a E sane 38 9 8 Checking the flue expulsion pipe 75 6 2 Precautions for installation 38 9 9 Combustion analysis check 75 6 3 Installing the bracket 000 39 9 10 Checking the condensate drain pipe 76 6 4 Overall dimensions 0 000 40 9 11 Visual inspection of appliance 77 6 5 JONS sci p nodo genron asr aid areas E gE 40 9 12 Checking the gas supply pressure Hel 66 Mounting theboiler 0 04 ccece daenna 40 9 13 Water inhibitor concentration 77 6 7 Fitting the flue system 00 41 9 14 Setting the boiler chimney sweep function Tt Be eee E a tebnrenanrehy at sheets 42 Gas boiler commissioning checklist 80 lectric connection 20 00 45 i s 6 10 Connecting the room thermostat or zone valves 47 Service interval record 81 6 11 External frost protection 49 6 12 Connecting a system boiler to a cylinder 50 Abbreviations used in the manual C h Central heating D h w Domestic hot water D c w Domestic cold water 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 Co
76. protect the boiler from possible damage due to frost This system does not guarantee protection of the entire hydraulic 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 heating and domestic hot water circuit the c h system and the d h w system 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 a competent 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
77. rk 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 indicated on the bottom part of the display Fig 2 2 In the case of incorrect pressure the value is visualised with a flashing symbol Fig 2 2 high pressure gt 2 8 bar ON 2 6 bar OFF intermediate pressure 0 15 lt P lt Pon rising 0 15 lt P lt Pon 0 2 decreasing critical pressure too low 0 00 lt P lt 0 15 bar If you are in any doubt regarding this procedure yo
78. robe F d if f J12 val an paea tore eei oe The flue probe 20 and safety thermal fuse Pressure transducer J43 value 26 indicated in Fig 3 7 are a safety device pressure if foreseen The flue probe 20 intervenes when the flue lonization value J14 value temperature exceeds 110 C placing the Number of months to J15 va lue boiler in safety block switching it off maintenance To reset normal boiler functioning just press 3 star status o the 13 Fig 3 5 key ON 01 OFF 00 HWCH Hardware code If flue probe 20 does not intervene and high J17 value therefore does not send the boiler into se HWCL Hardware code low J18 value curity lockout thermofusible 26 enters into function as a further safety measure SWCH Software code high J19 value This component sends the boiler into se SWCL Software code low J20 value curity lockout when the flue temperature reaches 167 C 23 USEFUL ADVICE To restore the normal operation of the boiler contact the Authorized Service Centre 24 TECHNICAL INFORMATION 4 TECHNICAL INFORMATION 4 1 Overview 43 20 26 19 23 24 39 41 25 40 37 38 27 34 zZ O lt x l l 72 36 22 rely 28 29 34 30 33 32 Fig 4 1 25 Z O lt x l l N TECHNICAL INFORMATION
79. rtant at the end of the setting opera tion it is important to fill update the table Fig 7 45 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 P01 Water sensors con 5 go figuration Pump management P03 TA OT zone manage P04 ment Gas type P05 Not used P 06 C h flow max tem P07 perature C Factory parameters P08 reset Chimney sweep p 09 function C h reignition fre P10 quency C h pump post circu P11 lation Max useful output in P12 c h mode C h pump working P13 type 67 zZ O lt x l l 22 Zz O lt x l l N COMMISSIONING PARAMETER DIGIT VALUES Ignition power P 14 K value external P15 probe diagram Regulation of the minimum heating P 16 power D h w burner turn off P17 function NTC on the c h re P18 turn User interface P19 Not used P20 i Not used Ped ieee Not used Pod see Not used Pos hec Not used PQA ese Not used P25 ia Not used P6 sence Minimum heating re p27 turn temperature C Maintenance inter P28 vals D h w entry temper ature for calculation P 29 def 10 Correct pressure P30 main system Pon Fig 7 45 e Enter the programming mode by press ing keys 12 15
80. sary 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 due of the fan Useful static pres sure at nominal heat input Overheated flue Maximum recircula tion of CO in the suction duct 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 Er id 90 ITN 7 gt j 3 Sf I 125 eat ae ty cy Extensions are available for reaching the maximum height Its maximum height with extension is 10 m for Activ A Plus 16S Activ A Plus 25S Bends of 80 mm at 90 and at 45 are available that reduce the maximum total Fig 6 12 INSTALLATION length of the pipes by For the bend of 45 loss 0 5m For the bend of 90 loss 1m 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 90 0 85 m Q 45 0 65 m 60mm l 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
81. stallations 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 ditions of the overvoltage category Ill 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 must be ey ae Zz O lt x l 72 Zz O lt x l l N INSTALLATION 6 INSTALLATION 6 1 Warnings The use of gas appliances is 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 existi
82. stat termi nal block between 1 and 3 Fig 6 30 53 Zz O lt x l a 22 INSTALLATION The route of the remote control cable must Hydraulic plant examples follow the route indicated in Fig 6 17 Allow the cables to exit the boiler by using Top zone low temperature zone the relevant cable clamps R Fig 6 18 6 16 Example of hydraulic plants with hydraulic separator optional The hydraulic separator creates a reduced load loss zone that renders the primary cir cuit and secondary circuit hydraulically in dependent In this case the flow rate that passes through the circuits depends exclusively on the fea tures of the pumps flow rate Therefore by means of a hydraulic separa il tor the secondary circuit s flow rate is put AUAA into circulation only when the relative pump Hight temperature is on Fig 6 31 When the pump of the secondary is off there is no circulation in the correspond Top zone 2 low temperature zones ing circuit and therefore the entire flow rate pushed by the primary is by passed through the separator Thus with the hydraulic separator it is pos sible to have a constant flow rate production circuit and a variable flow rate distribution circuit zZ O E lt x l 2 O External Low probe _ temperature 1 temperature 2 temperature Fig 6
83. t or sharp parts and however conform to the technical regulations in force AG rl CES CRS SS SS 8 Remote g O A SES CMS es A SES SMS oe N S89 SES Electri Seen SES SES L SS SS 3 SES SES Ambient enact SS SEs 1 Fig 6 16 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 s ni a a JO D QO IO_ O_ _ 1 a A aA A TA fal Em Fig 6 17 INSTALLATION Allow the cables to exit the boiler by using the relevant cable clamps R Fig 6 18 Fig 6 18 6 10 Connecting the room thermo stat or zone valves Use the clamps indicated in Fig 6 16 to connect the ambient thermostat Remove the electric jumper present be tween 1 and 3 when connecting any type of ambient thermostat The electric cables of the ambient thermo stat are inserted between clamps 1 and 3 as in Fig 6 19 or Fig 6 20 or Fig 6 21 Be careful not to connect pow A ered cables on clamps 1 and
84. t reduced pro gram in process 1234567 The day of the week is displayed high lighting the number with the following sequence 1 Mon 7 Sun Flashing solar circuit pump in operation Solar integration at the time of d h w withdrawal is indi cated by the lighting of the bars SV versions the bars indicate the value of the tem perature of the so lar storage range 40 80 C Constantly illuminat ed heating request from zone 1 and or zone 2 Flashing heating function in progress Constantly illuminat ed delivery probe and or return probe APPLIANCE DESCRIPTION The ignition of the key the arrow M and the month 1 or 2 indicates the next due date for mainte nance The flashing of the symbol the arrow M and 0 indicates that the maintenance pe riod has expired Temperature meas urement unit Flashing down be fore flame detection Constantly illumi nated flame present and modulation level Constantly illumi nated lockout error Constantly illuminat ed remote control connected Flashing request from remote control in process Constantly illuminat ed pump active The icon remains on for post circulation Constantly illuminat ed boiler antifreeze active AF ke Antifrostat Constantly illumi nated system anti freeze active SIGNAL DISPLAYED BY THE LCD RESET oe raa ai RESE
85. t 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 valves located in the lower part of the boiler are open Fig 2 3 position Fig 2 3 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 Stand by Hyphens are turned on in sequence to simulate running Winter Fig 2 4 Time Day Date setting Enter programming mode by holding down key 17 for 5 seconds Fig 2 7 until the display indicates the symbol Use keys 15 decrease and 16 increase Fig 2 7 to set the time day and date values using keys 9 and 10 to move from one pa rameter to the next Press key 17 briefly to save the values en tered and the display will indicate OK to confirm Fig 2 5 r co m jamm ey Fig 2 5 155 INSTRUCTIONS FOR USE The display will indicate hi h Wira for hour and minutes 1 for the day of the week m a 1 Mon 7 Sun Id TT coc ana for day and month YE dir for the year n j a y for the format Fig 2 6 To exit programming hold down key 17 for 5 seconds all changes will be saved or wait 60 seconds NOTE If a remote is connected the card acquires the time
86. 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 m hr ft hr BURNER OPERATING PRESSURE IF APPLICABLE N A mbar CENTRAL HEATING FLOW TEMPERATURE E ee CENTRAL HEATING RETURN TEMPERATURE C FOR COMBINATION BOILERS ONLY HAS A WATER SCALE 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 E CONDENSATE DRAIN HAS BEEN INSTALLED IN A
87. the value 48 INSTALLATION 17 9 A Cs 16 iL m Jj L04 Q s oA OT 12 13 Fig 6 24 For the connection of the zone valve use the terminals from the auxiliary card N common neutral L NO line 230V valve opens heating system L NC line 230V valve closes heating system Fig 6 25 Auxiliary card terminal board ee O L NO ie a Si the Vom ao N LW Fig 6 25 To remotely connect utilise the terminals in dicated in Fig 6 30 6 11 External frost protection e Connect the frost thermostat between ter minals 1 and 2 as shown in Fig 6 26 or Fig 6 27 Do not connect live wires to terminals to which the frost thermostat must be con nected Frost Thermostat 230V rating Room thermostat 230V rating TE SES SES ORO CE e Fig 6 26 230V rating thermostat with anticipating resistor 230V rating E O O O O O ooo ooo ollo o lo o lo OLOLOLOLOLAT 49 Zz O lt x l l 72 INSTALLATION 6 12 Conne
88. treio E EE a E 25 7 14 Checking the flue system 5 66 12 Main diagram 2 6 00 eee e ee ee eee 26 7 15 Checking the condensate drain pipe 66 4 3 Technical data Activ A Plus 16S 28 7 16 Instructing the user 00 0200 00s 66 4 4 Technical data Activ A Plus 25S 30 7 17 Adjustment of useful c h output 66 4 5 Hydraulic specifications 32 7 18 Setting record 0 eee eee eee 67 4 6 Expansion vessel 0 0 00005 32 8 GAS CONVERSION eeeee 69 5 GENERAL REQUIREMENTS 33 GA Watts a na a ears 69 Related documents 0 33 8 2 Operations and gas setting 69 23 Location of appliance 33 9 MAINTENANCE 71 5 3 FUG SYSEM dead oosiadsadapetacessee 33 WamingS o e A LY 71 ae oe Pe ne eg eg ee nye 3 a 3 Programming the maintenance period T4 56 Vanilia AEE AE E SRE AE E E E 35 9 3 Dismantling the external panels 72 57 EE E 35 9 4 Reassembly the external panels 73 58 Water circulation ch a ye oe py oe 36 9 5 Emptying the c h system 73 5 0 Watertrastinent cco 37 9 6 Cleaning the condensing primary exchanger E E tae Ce C N cpp i and the bummer ssena sect ates an et ating 74 5 10 Electrical supply 2 0 2 eee 37 9 7 Check the pressure of the heating expansion 6 INSTALLATION 00000 38 VESSEL a
89. u 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 19 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 Dt Supply pipe cold water inlet 2 Control valve C h return pipe Fig 2 1 e Open the valves of the filling loop and watch the display until it reaches normal filling pressure as shown in Fig 2 2 14 INSTRUCTIONS FOR USE Fig 2 2 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 automatic air purger fitted to the boiler You may also find it necessary to vent air from your radia tor circui
90. y pressing 16 Fig 9 19 it is possible to change power in chimney sweep mode with the letters hP on the LCD display which al ternate between the heated water tempera ture i e 32 we are in the chimney sweep function at the minimum power during heat ing Fig 9 22 it Fig 9 22 Chimney sweep function at maximum out put in heating mode e Press key 16 to vary the output in chimney sweep mode when the LCD display displays the letters cP that alternate with the heating water temperature value e g 78 the chim ney sweep function is at maximum even tually range rated output in heating mode Fig 9 23 78 Fig 9 23 Chimney sweep function at maximum out put in domestic hot water mode e Press further key 16 to vary again the out put in chimney sweep mode when the LCD display displays the letters dP that alternate with the heating water temperature value e g 60 the chimney sweep function is at maximum output in domestic hot water mode Fig 9 24 Fig 9 24 e Press keys 12 15 16 Fig 9 19 at the same time again to exit the chimney sweep mode and return to the previously set boiler status Fig 9 25 MAINTENANCE Fig 9 25 AONVNALNIVIN 79 BENCHMARK No idol 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
91. ystems When the installation and second filling are completed turn on the c h system and run it until the temperature has reached the 56 boiler operating temperature The system must then be immediately 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 manufacturer 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 in hibitor in accordance with the manufacturers instructions 7 5 Condensate pipe and traps The full length of the condensate pipe should be check for leaks Before running the boiler ensure that the built in condensate trap and any other trap in the drain system is correctly filled with water Fill the built in condensate trap by removing the flue elbow and pour ing a cupful of water into the flue outlet Fig 7 4 An alternative to the removal of the flue el bow pour the water through the flue sampling point Fig 7 5 COMMISSIONING Sampling points Flue exhaust 7 6 Checking the gas supply pres sure This boiler has been factory tested to the highest quality control standards and set for the minimum and maximum gas work ing pressures connected to a 1 m flue

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