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User manual and Installation instructions RIVA COMPACT

1. Location of appliance Flue system Gas supply Air SUPPLY kwi gcse videos ee ieee Ventilation Water circulation C h Domesticwater Watertreatment E 10 Electrical supply 6 Installation 6 1 Warnings 6 2 Precautions for installation 8 Gas conversion 84 Warnings nee 8 2 Procedures 9 Maintenance 9 1 Warnings 9 2 Dismantling the external panels 9 3 Emptying the d h w system 9 4 Emptying the c h system Abbreviations used in the manual C h Central heating D h w Domestic hot water D c w Domestic cold water 2 5 D h w temperature 2 6 Extinguishing 2 7 Builtintimeswitch A 2 8 BuiltintimeswitchB 3 Usefuladvice 3 1 Centralheating 3 2 Frostprotection 3 3 Periodic maintenance 3 4 External cleaning 3 5 Operational faults 6 3 Installing the bracket 6 4 Overall dimensions 65 JOINS oi cde s s ee 6 6 Mounting the boiler 6 7 Fitting the flue system 6 8 Flue restrictors 6 9 Ch
2. Fig 4 3 The hydraulic specifications in Fig 4 3 represent the pressure available head for the central heat ing system as a function of the flow rate The load loss due to the boiler has already been subtracted Output with thermostat cocks shut off The boiler is fitted with an automatic by pass valve 41 on page 11 which protects the primary heat exchanger In case of excessive reduction or total blockage of water circulation in the central heating system owing to closure of the thermostatic valves or sys tem component cocks the by pass valve ensur es a minimum flow of water through the primary heat exchanger LIEN Expansion vessel Note this boiler is designed for operation only in a sealed central heating system The height difference between the pressure relief valve and the highest point in the system may be 7m at most For greater differences increase the pre load pressure in the expansion vessel 40 on page 11 and the system when cold by 0 1 bar for each additional 1m Capacity Pre load pressure INSTALLATION Maximum volume of water in the system Tab 4 1 Where conditions are Average maximum temperature of the system is 80 C Initial temperature when filling up the system is 10 C For systems with volumes greater than 1041 an additional expansion vessel must be provided INSTALLATION Technical information Technical data M90E 24S
3. Aand B Xo 35 165 AN A r7 La 5 8 8 85 255 S Pa AN Wall mounting bracket 8 N 561 Cold 55 water outlet inlet C h ch Gas return ow L 400 325 not present on c h only boilers A air intake flue outlet pipe 100 co axial B flue outlet pipe o 80 twin kit C air intake pipe 80 mm twin kit Fig 6 2 all dimensions in mm Joints Gas c h return c h flow Dw out Pressure relief valve Tab 6 1 sizes in mm o d 16 6 Mounting the boiler 1 Take the protective caps off the boiler pipe work 2 Thoroughly clean the connections Mount the boiler on its bracket Fix the c h valves A and gas cock to the boiler using the 34 gaskets Fig 6 3 5 Fix the 22 mm pipes C c h circuit to the c h valves A and the 22 mm pipe D gas to the cock B using the 4 gaskets 6 Repeatthe above procedure for the d c w inlet utilising the 1 2 cold water inlet valve E the 15 mm copper tail F with its connection nut and two 1 2 gaskets 7 Fixtheg15 mm copper tail G with the 2 con nection nut and a 1 2 gasket 8 Connect the pipe H Fig 6 4 from the pres sure relief valve to the safety discharge pipe work e MES 7 e Pier Bo ez S m 0 Fig 6 3 25 z j E
4. Nominal heat input content content CO content Exhaust temperature Other specifications Height Width Depth Weight dry Water volume in the boler up to 1 bar Values refer to tests with a 1 m chimney working at the nominal heat input INSTALLATION Technical information Technical data M90E 28S Nominal heat input kW BTU h 31 1 106 107 Injectors Natural G20 Butane G30 Minimum heat input kW BTU h 13 0 44 353 Maximum useful output kW BTU h 28 4 96 895 Propane G31 Gas supply pressures Minimum useful output kW BTU h Central heating 10 8 36 847 Gas norm Natural 2 000 G20 20 Maximum temperature Butane 2 900 G30 29 Minimum temperature Maximum pressure Minimum pressure Propane 3 700 G31 37 Gas pressures at the burner Gas min max Ignition Available head in 1000 I h Domestic hot water Natural Pa 180 G20 1 8 1170 11 7 600 6 0 Butane Pa 450 G30 4 5 2 760 27 6 1 200 12 Maximum temperature Minimum temperature Maximum pressure Minimum pressure Propane Pa 570 G31 5 7 Gas rate 3 570 35 7 1 300 13 Gas Flow rate minimum 30 rise 35 rise 40 rise calculated values subject to tolerance Natural G20 Butane G30 Propane G31 For the net calori
5. 28 memory locations are available corresponding to 14 on off sequences Press repeatedly the button A until the display shows the symbol C1 Fig 2 21 The symbols shown in Fig 2 21 appears in the display A M f Ka Fig 2 21 Press the buttons D or E to set the desired ON time Press the button C to confirm the setting and to continue programming the OFF time Set the OFF time as explained above for the ON setting and confirm by pressing the enter button C Proceed in the same way for other settings Setting example shown in Fig 2 22 A ON time 7 45 OFF time 10 30 30 miS A Fig 2 22 w Activating the timed settings The currenttime appears in the display The ON OFF display H indicates the current state of oper ation according to the settings M IE O ON Fig 2 23 Note when the display shows the symbol AUTO and the boiler is switched off at the fused spur isolation switch the display H indicates only the OFF state The other indications are blanked Reading the timed settings Instructions for use Press repeatedly the button A until the display shows the symbol C1 Fig 2 21 The symbols shown in Fig 2 21 appears in the display Press the OK button C Each time the button is pressed the display shows the details of the next setting Changing or deleting the timed setti
6. e o O Where Lamp OFF Q Lamp ON Fig 7 9 8 Keep pressed the reset button 7 Fig 7 7 for about 5 seconas The boiler runs in C h mode and the lamp 6 Fig 7 7 is switched OFF Commissioning The lamps 10 give the indication as in Fig 7 8 By turning the knob 9 the lock out signal Fig 7 10 lamp 6 blinks quickly 2 per second indicating that the setting has changed and must be me DC DC I morised by keeping pressed the reset button O O Where O 7 for about 5 seconds until the lamps 10 all gt Flashing briefly simultaneously blink 1g lamp alone 14 To resetthe boiler to the normal operation turn or simulta it OFF and ON by thefunction selector8 In any neously with case the boiler automatically resets to its nor an other mal operation after 10 minutes lamp kW Natural G20 Fig 7 10 32 9 Rotate the knob 9 in Fig 7 7 to obtain the pres E sure to the burner to meet with the central heat 26 ing system requirements Refer to the 2 diagrams shown in Fig 7 13 Fig 7 14 or 4 22 Fig 7 15 20 By rotating clockwise the pressure increases 18 10 Make a note of the position of the knob 9 and 16 recorded this in Fig 7 11 below with an 14 10 12 10 23 4 5 6 7 8 9 10 11 12 90F 24S mmm M90E 28S mbar D M90E 32S Fig 7 13 kW Butane G30 Fig 7 11 32 LI 11
7. User manual and Installation instructions RIVA COMPACT Models M90E 24S M90E 28S M90E 32S A Your boiler is electronically controlled and has electronic ignition The materials itis made of and the control systems it is equipped with give you safety a high level of comfort and energy savings to allow you to get the greatest benefit out of independent Congratulations on your choice heating Remember that 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 future First lighting up must be carried out by competent and responsible engineer 1 The manufacturer disclaim all liability for any translations of the present manual from which incorrect interpretation may occur cannot be held responsible for non observ ance of instructions contained in this manual or for the consequences of any procedure not specifically described Using the boiler Before lighting the boiler you are ad vised to have a professionally qualified per son check that the installation of the gas supply is gas tight is of the correct gauge for the flow to the boiler is fitted with all the safety and control de vices required by the current Regulations Ensure that the installer has connected the pressure relief valve outlet to a drain pipe The manufacturers are not responsible for
8. 1 Take off the front of the case 2 Take off the removable front of the air tight chamber and the front panel of the combustion chamber If you notice dirt on the fins of the primary heat ex changer 31 on page 11 3 coverthe sloping surfaces of the burner 29 on page 11 entirely ina protective layer sheets of newspaper or similar 4 Brush out the primary heat exchanger 31 on page 11 with a bristle paintbrush NOTE When removing the airtight chamber cover it is not necessary to remove the screws lo cated at the top edge on either side Maintenance Checking the pressurisation in the expansion vessel Empty the central heating system as described in section 9 4 of this chapter and check that the pres sure in the expansion vessel is not less than 1 bar See also section 4 4 page 13 of this manual If the pressure is lower take steps to correct the pressure level Cleaning the burner The sloping and multi gas type burner 29 on page 11 does not need special maintenance but it is sufficient to dust it with a bristle paintbrush To reach the burner 1 Take off the front of the case 2 Take off the removable front of the air tight chamber and the front panel of the combustion chamber 3 Brush outthe burner with a bristle paintbrush NOTE When removing the airtight chamber cover it is not necessary to remove the screws lo cated at the top edge on either side EXN Checking the flue Hav
9. M 2 2 YO J AN l lt External controls SLOG Eiaa gonr Fig 6 14 8 Connect the room thermostat between minals 1 and 3 as shown in Fig 6 15 Do not connect live wires to terminals to which the room thermostat must be con nected Room thermosta Power supply terminal block L GN well Tal T SL KS t BZ External controls 1 terminal block w d aaa Fig 6 15 9 Route the electrical supply flexible cord and the external control flexible cord as illustrated in Fig 6 16 29 Z e j E Installation Lock the flexible cords in place with the flexible Do not connect live wires to terminals to cord clamps which the room thermostat must be con nected To the external 9 a On x L Frost thermostat Room thermostat control device To the fused spur isolation switch T 1 hs 4 z P I E EA monnen lt 2 gem controls 3 Q Q S terminal block p Fig 6 16 z Fig 6 17 External frost protection 10 Connect the frost thermostat between ter min
10. circuit The adjustment system integrated within the boiler automatically controls the flow of gas to the burner in order to keep the temperature of d h w delivered constant between the limits of maxi mum and minimum output Where the demand is at a low level or with the tem perature set to the minimum it is normal to see a cycle of lighting and extinguishing of the burner when running Adjustment It is advisable to adjust the d h w temperature to a level commensurate with the demand minimis ing the need to mix with cold water In this way the automatic control facilities will be fully exploited Moreover where the amount of limescale present in the water may be particularly great not exceed ing the position in Fig 2 9 of the d h w tempera ture control knob 9 corresponding to about 50 C Fig 2 9 minimises annoying incidences of scale deposits and clogging Fig 2 9 In these cases however it is advisable to install a small water treatment device or softener With such a device you should avoid periodic descal ing Consequently the d h w heat exchanger will keep its performance consistent for a longer period of time with resulting gas savings If the demand for d h w is so great as to prevent reaching a high enough temperature have the ap propriate output limiting valve installed by your in staller or an Authorised Service Engineer 2 6 Extinguishing To turn the boiler off set the
11. for cleaning mainten ance opening or dismantling boiler panels FEN Dismantling the external panels Front panel 1 Loosen the two screws A Fig 9 1 2 Lift and remove the panel Fig 9 1 Side panels 3 Loosen the screws B Bring the bottom of the panels away from the boiler and lift them free ing them from the top hooks Fig 9 2 Fig 9 2 Emptying the d h w system 1 Turn off the d c w inlet isolating valve 12 in Fig 9 3 and turn on the hot water taps and any drain cocks A reg SS Closed position Fig 9 3 Emptying the c h system 1 Close the c h isolating valves 11 and 15 in Fig 9 3 2 Open the central heating drain cock 17 in Fig 9 4 39 MAINTENANCE MAINTENANCE Maintenance Fig 9 4 3 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 EE Combustion analysis check To carry out a combustion analysis 1 remove the front panel of the case see the sec tion 9 2 in this manual 2 Remove the plugs indicated in Fig 9 5 40 Air Flue exhaust Sampling points Fig 9 5 Reference figures are given in the sections 4 5 or 4 6 of this manual Flue gas figures EX Cleaning the primary heat exchanger
12. Nominal heat input Injectors Natural G20 Butane G30 Minimum heat input Maximum useful output Propane G31 Gas supply pressures Minimum useful output Central heating Gas norm Natural 2 000 G20 20 Maximum temperature Butane 2 900 G30 29 Minimum temperature Maximum pressure Minimum pressure Propane 3 700 G31 37 Gas pressures at the burner Gas min Ignition Available head in 1000 I h Domestic hot water Natural Pa 180 1170 600 G20 1 8 11 7 6 0 Butane Pa 500 2 760 1 200 G30 5 0 27 6 12 Maximum temperature Minimum temperature Maximum pressure Propane Pa 610 3570 1 300 G31 6 1 35 7 13 Gas rate Minimum pressure Gas Flow rate minimum 30 rise 35 rise 40 rise calculated values subject to tolerance Net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m3 G 30 45 6 MJ kg G31 46 4 MJ kg 1 mbar approximately equals 10 mm H20 14 Natural G20 Butane G30 Propane G31 Technical information Electrical Data Voltage Frequency Power consumption Protection degree External fuse rating Internal fuse rating Flue design Flue pipe diameter Coaxial 60 100 Twin split pipes 80 Roof 80 125 Nominal heat flow rate 26 6 INSTALLATION Exhaust temperature 145 Smoke production 55 1 Flue gas figures
13. boiler For LPG the appliance must also conform with the requirements of the distributors and com ply with current Regulations and laws in force The safety relief valve must be connected to a suitable drain or discharge in a safe manner The electrical wiring must conform with current Regulations in particular the boiler must be earthed using the cor rect bonding clamp Adjacent to the boiler a fused spur isolation Switch must be installed which permits a complete switching off in the conditions of the overvoltage category Ill Refer to sec tion 6 10 in this chapter for the electrical connections In no circumstances will the manufacturer be held responsible if the warnings and in structions contained in this manual have not been complied with EN Precautions for installation For the installation proceed as follows The boiler must be fixed to a strong wall 250 200 Fig 6 1 all dimensions in mm When installing the boiler in a cupboard cover or alcove allow at least 50mm permanent clear ance from the front face of the boiler Also en sure sufficient clearance to allow free access for servicing and the lowering of the front con trol panel If the boiler is installed outside cover the ap pliance to protect it against the elements 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 before fitti
14. boiler by means of the fused spur isolation switch provided adjacent to the ap pliance 2 Open the gas valve outlet pressure test point 37 Fig 7 4 and connect the gauge 3 Turn the boiler ON positioning the control se lectors 8 in the positions as shown in as in Fig 7 5 and ensure that the timer selector switch and room thermostat if fitted are set to heat demand Fig 7 5 4 Watch the gauge and check to see if the igni tion pressure registered corresponds to the va lues as given in the Technical Data Turn off the boiler and reignite it by turning the function se lector 8 to the OFF position and then back to that indicated in Fig 7 5 5 Repeat this process two to three times leaving 30 second intervals between each ignition Check the ignition pressures and visually 33 Z j E 4 z e j E a Commissioning check that the burner lights uniformly and in a controlled manner 6 Ifthe burner ignition is not uniformly controlled then checks should be made to the flue installation and termination thatthe burner and injectors are clean that the boiler is set for the correct gas used see Section Gas Conversion of this manual 7 If the ignition pressure recorded is not as indi cated in the Technical Data then refer to section Ignition gas pressure adjustment of the Ser vice Manual for the necessary adjustment pro cedures Important af
15. the bleed valves present in the radiators If in time a reduction in domestic hot water supply is observed The likely causes may be impurities caught in the domestic hot water flow switch filter or limescale deposited in the domestic hot water heat ex changer It is advisable to have the appliance cleaned out by an Authorised Service Centre En gineer 10 If water should occasionally leak from the boiler shut off the valves positioned under the boiler Fig 2 11 on page 5 and call an Authorised Ser vice Centre Engineer If the appliance operation light 10 Fig 3 3 flashes very quickly the boiler is faulty 10 Fig 3 3 In this case or in case of problems other than those mentioned here switch off the boiler as described in section 2 6 on page 4 and calla competent and responsible service engineer EN TECHNICAL INFORMATION Overview 13 Gas inlet valve 32 33 34 35 14 D h w outlet pipe 15 C h flow valve 16 D h w temperature probe NTC 17 Main circuit drain valve 18 C h pressure relief valve 19 Pump 20 Pump vent plug 21 Automatic air purger valve 22 D h w flow switch 23 Modulation gas valve 24 Primary circuit flow switch 25 C h temperature probe NTC 26 Three way diverter valve 27 Flame detecting electrode 28 Ignition electrodes 29 Burner 30 Combustion chamber 31 Primary heat exchanger 32 Air pressure switch 33 Air switch pressure test points 34 Fan 35 Safe
16. turn it ON by the function selector 8 on the desired operation and checking the ignition pressure and that the burner lights up uniformly In any case the boiler automatically resets to its nor mal operation after 10 minutes Factory setting Natural gas as illustrated 19 Calibrate the gas valve according to the in structions given in the service manual section Modulating gas valve Adjustment 20 Set the correct gas pressure for central heating output required see section 7 8 in this manual 21 Stick on the inside of the left hand side panel adjacent to the data badge the self adhesive label included with the conversion kit indicat ing the type of gas and the gas pressures to which the appliance has been set 22 Replace the service panel the front and side panels of the case EM MAINTENANCE Warnings The procedures detailed in this chapter must be carried out only by a professionally qualified person 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 the electricity supply by turning off the fused spur isolation switch adjacent to the appliance and turn off the gas cock before carrying out any pro cedures whatsoever
17. with the requirements of the Gas Safety In stallation and Use Regulations and be ap proved by C O R G I Components used to adaptitto the type of gas available must be genuine parts only FEN Procedures 1 Check that the gas cock 13 in Fig 8 1 fitted under the boiler is turned off and the appliance is is switched off at the mains isolating spur A reg 13 Fig 8 1 2 Remove the front and side panels of the case see the section General access and emptying hydraulic circuits in the service manual 3 Take off the lid of the sealed chamber 4 Take the front panel of the combustion chamber off and remove the burner 29 on page 11 See section gnition and detection electrodes in the service manual for detailed in structions 5 Carry outthe conversion for the type of gas re placing the burner injectors correctly 6 Re assemble the burner the front panel of the combustion chamber and the lid of the sealed chamber 7 Extract the control panel as explained in the section 6 10 of this manual Closed position 8 Loosen the screws C and remove the service panel Fig 8 2 Fig 8 2 9 Switch on the appliance at the mains isolating spur 10 Turn the boiler OFF positioning the function se lector 8 as indicated in Fig 8 3 10 Fig 8 3 11 Disconnect the C h temperature probe NTC 25 in Fig 8 4 Fig 8 4 12 Keep pressed the reset button 7 for about 10 seconds unt
18. 25 Between 0 5 and 1 5 m More than 1 5 m up to 6 5 m More than 6 5 m up to 8 5 m Tab 6 4 FOR VERTICAL ROOF KIT Tab 6 5 FOR VERTICAL ROOF KIT The appropriate restrictor when necessary must be fitted in the flue outlet elbow as indicated in Fig 6 5 Fig 6 5 X Choice of flue The following flue kits are available for connecting to the boiler Standard horizontal flue kit Fig 6 6A Co axial 60 100mm nominal length 1m This kit is normally supplied with the boiler and can be fitted to allow discharge to the rear or either side of the boiler via the flanged boiler adapter elbow Minimum length required is 0 3 m Maxi mum equivalent length of 3 metres for models M90E 24S M90E 28S and 2 7 metres for the model M90E 32S can be achieved utilising exten sions This flue system can only be used to dis Installation charge horizontally it is not designed to enable termination in the vertical plane Vertical kit with 90 elbow Fig 6 6B Co axial 60 100 mm Supplied with a straight flanged adapter co axial elbow and a co axial pipe with terminal this kit allows for a vertical rise of 0 3 m from the boiler In all circumstances the flue terminal must dis charge horizontally and the equivalent flue length must not exceed 3 metres for models M90E 24S M90E 288 and 2 7 metres for the model M90E 32S Elbows 45 amp 90 Fig 6 6C Co axial 60 100mm Elbow kits enablethe standard flu
19. 5 Ch flow valve 5 Time switch c h control I 6 Lock out signal lamp EEB Technical data 7 Lockout reset button For detailed technical data see section 4 5 or 4 6 of this manual at GL INSTRUCTIONS FOR USE Warnings Biasi UK Ltd support the Benchmark initiat ive The Benchmark Log Book is located at the back of this manual and should be com pleted by the Installing Commisssioning Engineer and handed over to the User for future reference by other visiting En gineers Also included is the Service Inter val Record card that should be completed by the Service Engineer following the an nual service maintenance of the boiler and system All CORGI Registered Installers carry a CORGI ID card and have a registration number Both should be recorded in your Benchmark Log Book You can check your installer is registered by calling CORGI di rect on 01256 372300 In order to guarantee safety and correct oper ation itis essential that all the tests are carried out by a competent and responsible service engineer before lighting up the boiler The tests are described in the installation in structions 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 indi cated on the temperature and pressure gauge 4 is not lower than that shown in Fig 2 2 If the pressure reading on the pressure g
20. Domestic hot water Propane 670 1 300 G31 6 7 13 Gas rate Maximum temperature Gas Minimum temperature Maximum pressure Natural G20 Minimum pressure Butane G30 Flow rate minimum 30 rise 35 rise 40 rise Injectors Propane G31 Electrical Data Voltage Frequency Power consumption Protection degree Natural G20 External fuse rating Butane G30 Propane G31 calculated values subject to tolerance Internal fuse rating For the net calorific values of G20 G30 G31 see the technical data at page 14 1 mbar approximately equals 10 mm H20 18 Technical information Flue design Flue pipe diameter Coaxial 60 100 Twin split pipes 80 Roof 80 125 Nominal heat flow rate 35 2 Exhaust temperature 155 Smoke production 90 Flue gas figures Nominal heat input content content INSTALLATION CO content Exhaust temperature Other specifications Height Width Depth Weight dry Water volume in the boler up to 1 bar Values refer to tests with a 1 m chimney working at the nominal heat input z e j E 4 EM GENERAL REQUIREMENTS Biasi UK Ltd support the Benchmark initiative The Benchmark Log Book is located at the back of this manual and should be completed by the Installing Commisssioning Engineer and handed o
21. ECORDED A CO CO RATIO READING NA YES RATIO THE OPERATION OF THE APPLIANCE AND SYSTEM CONTROLS HAVE BEEN DEMONSTRATED TO THE CUSTOMER MANUFACTURER S LITERATURE HAS BEEN LEFT WITH THE CUSTOMER COMMISSIONING ENG S NAME PRINT SIGN CORGI ID No 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 DATE SERVICE 2 DATE ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No CORGI ID CARD SERIAL No CORGI ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 3 DATE SERVICE 4 DATE ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No CORGI ID CARD SERIAL No CORGI ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 5 DATE SERVICE 6 DATE ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No CORGI ID CARD SERIAL No CORGI ID CARD SERIAL No COMMENTS COMMENTS SIGNA
22. ISO 9000 and do not and will not contain any hazardous materials or substances such as as bestos mercury or C F C s The appliance packaging does not contain any substances which may be considered a hazard to health Combustion chamber panels Material mineral fibers Known hazards Some people can suffer red dening 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 le vels are only likely to arise following harsh ab rasion In general normal handling and use will not present high risk follow good hygiene prac tices wash hands before touching eyes consum ing food drinking or using the toilet First aid Medical attention must be sought fol lowing eye contact or prolonged reddening of the skin Thermostat Temperature gauge Description Sealed phial and capillary contain ing 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 follow ing eyes skin contact wash with clean water Appliance categor
23. ITTED 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 al THE SYSTEM CLEANER USED j HE INHIBITOR USED FOR THE CENTRAL HEATING MODE MEASURE amp RECORD GAS RATE m ihr ft hr BURNER OPERATING PRESSURE IF APPLICABLE N A mbar CENTRAL HEATING FLOW TEMPERATURE C CENTRAL HEATING RETURN TEMPERATURE C FOR COMBINATION BOILERS ONLY HAS A WATER SCALE REDUCER BEEN FITTED yes Nol WHAT TYPE OF SCALE REDUCER HAS BEEN FITTED FOR THE DOMESTIC HOT WATER MODE MEASURE 8 RECORD GAS RATE m hr fhr MAXIMUM BURNER OPERATING PRESSURE IF APPLICABLE mbar COLD WATER INLET TEMPERATURE WATER OUTLET TEMPERATURE G WATER FLOW RATE Its min FOR CONDENSING BOILERS ONLY CONFIRM THE FOLLOWING THE MANUFACTURER S INSTRUCTIONS THE CONDENSATE DRAIN HAS BEEN INSTALLED N ACCORDANCE WITH YES FOR ALL INSTALLATIONS CONFIRM THE FOLLOWING WITH CURRENT BUILDING REGULATIONS THE HEATING AND HOT WATER SYSTEM COMPLIES THE APPLIANCE AND ASSOCIATED EQUIPMENT HAS BEEN INSTALLED AND COMMISSIONED ACCORDANCE WITH THE MANUFACTURER S INSTRUCTIONS 2 REQUIRED BY THE MANUFACTURER HAVE YOU R
24. Keep pressed the reset button 7 for about 10 30 seconds until the lock out signal lamp 6 28 blinks 26 Note during the adjustment the boiler doesn t op erate 20 12 Press the reset button 7 repeatedly 2 times 18 until the lamps 10 give the indication as in 16 Fig 7 8 Fig 7 12 useful c h output adjust 14 ment mode 12 10 Where Lamp OFF LJ DU MO Q tanpon Fig 7 12 13 Set the knob 9 on the position corresponding to the position obtained on step 9 6 9 12 15 m MO90E 24S mew M90E 28S M90E 328 18 21 24 27 mbar Fig 7 14 35 z g j E a z g j E a Commissioning Propane G31 32 L 8 11 14 17 20 23 26 29 32 35 mwn 90E 24S me M90E 28S M90E 32S mbar Fig 7 15 Checking the ignition device With the burner on high flame close the gas cock About 10 seconds after the lock out signal lamp 6 Fig 1 3 on page 1 must appear To reset the boiler press and release the boiler reset button 7 Fig 1 3 on page 1 Checking the flue system The flue system should be visually checked for soundness Check all clamps gaskets and fixings are secure and tight Ensure that the flue terminal is sited correctly in ac cordance with the flue fitting instructions and Fig 5 1 on page 20 of this manual 36 To carry out a combustion check refer to the in struc
25. TURE SIGNATURE SERVICE 7 DATE SERVICE 8 DATE ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No CORGI ID CARD SERIAL No CORGI ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 9 DATE SERVICE 10 DATE ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No TEL No CORGI ID CARD SERIAL No CORGI ID CARD SERIAL No COMMENTS COMMENTS SIGNATURE SIGNATURE EMT AAT TT I I T 17962 0915 8 1908 52A5 UK Biasi UK Ltd Newman Park Western Way Wednesbury WS10 7BJ Sales Tel No 0121 506 1340 Sales Fax No 0121 506 1360 Service Tel No 0121 506 1350 Service Fax No 0121 506 1370 www biasi co uk
26. ally 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 col lecting 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 pas sing through ventilated spaces 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 minimum flow of 500 600 Its hr through the main heat ex changer If you are installing a system that includes thermo static 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 Air release points These must be fitted at all high points where air will natural collect and must be sited to facilitate com plete filling of the system Expansion vessel The appliance has an integral sealed expansion vessel to accommodate the increase of water vol ume when the system is heated Refer to Tab 4 1 on page 13 for its technical data 21 z 3 E a z e j E General requirements If the he
27. als 1 and 2 as shown in Fig 6 17 30 COMMISSIONING Ensure that the Benchmark Log Book is satis factorily commpleted during the commssion ing process The Log Book is located at the end of this manual This manual should be handed to the User following completion of the installa tion and commissioning process Failure to comply with these requirments may invalidate the manufacturers guarantee For Ireland IE it is necessary to complete a Declaration of Conformity to indicate com pliance to 1 5 813 2002 Electrical installation Preliminary electrical system checks to ensure electrical safety shall be carried out by a compet ent person i e polarity earth continuity resis tance to earth and short circuit If a fault has occurred on the appliance the fault find ing procedure should be followed as specified in the service manual Gas supply installation 1 Inspect the entire installation including the gas meter test for soundness and purge all as de scribed in BS 6891 For Ireland IE refer to l S 813 2002 2 Open the gas cock 13 Fig 7 1 on the appliance and check the gas connector on the appliance for leaks UE AX sye 13 12 Open position Fig 7 1 Filling the d h w system 1 Close all hot water draw off taps 2 Open the cold water inlet valve 12 Fig 7 1 3 Slowly open each draw off tap and close it only when clear water free of bubbles flows out Ini
28. as region or a local gas region contrac tor If the gas supply for the boiler serves other appliances ensure that an adequate supply 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 connection should not be used Installation pipes should be fitted in accordance with BS 6891 and the complete installation should be tested for soundness For Ireland IE refer to l S 813 2002 ic supply The room in which the boiler is installed does not require a purpose provided air vent EX Ventilation If installed a cupboard or compartment it is not necessary to provide additional ventilation for cooling for this particular product However con sideration must be given to clearance require ments for maintenance see section 6 2 and under no circumstances must stored articles be al lowed to come into contact with the boiler or flue pipe EXB Water circulation c h Detailed recommendations are given in BS 6798 and BS 5449 the following notes are given for general guidance For Ireland IE refer to l S 813 2002 Pipework Copper tubing to BS EN 1057 is recommended for water pipes Jointing should be either with capil lary soldered or with compression fittings Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flows natur
29. ating 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 return valve without the approval of the Local Water Authority Mains water feed hot water supply The domestic section of the boiler is designed to withstand an internal domestic water pressure of 10 bar Where it is likely that the mains domestic water pressure may exceed 5 bar it is possible due to internal water hammer effects that the pressure within the domestic system can increase to a level in excess of the 10 bar limit In these circumstances it is therefore recom mended that a 3 bar pressure reducing valve be fitted to the incoming mains water supply and a mini expansion vessel installed on the domestic circuit These devices will protect the boiler and the do mestic system from damage due to excessive do mestic water pressure Filling A method for initially filling the system and replac ing water lost during servicing must be provided and it must comply with local water authority regu lations The correct method is shown in Fig 5 2 The temporary connection must be removed immediately after filling Control valve Double check valve Temporary connection Supply pipe cold water inlet b C h r
30. auge is below that shown in Fig 2 2 then the system will require topping up A filling loop is normally provided by the installer for this purpose If you are in any doubt regarding this pro cedure you are advised to contact your In staller or an Approved Engineer This appliance is provided with a built in anti freeze system that operates the boiler when the temperature is below 4 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 instructions given in section 2 6 on page 4 Refilling procedure 1 Isolate the boiler from the electrical supply at the fused spur Reconnect the filing loop as demonstrated in Fig 2 1 Control valve Double check valve Temporary connection D Control valve Supply pipe cold water inlet C h return pipe Fig 2 1 2 Open the valves of the filling loop and watch the gauge until it reaches normal filling pres sure as shown in Fig 2 2 Normal filling pressure Fig 2 2 3 Close the valves and remove the filling loop If you experience any difficulty with the oper ation of the boiler switch off the boiler immedi ately at the fused spur isolation switch an
31. case see the section 9 2 in this manual 2 Remove the screws l and J Fig 6 11 3 Loosen the screws K Fig 6 11 4 Removethe side panels or move the lower part ofthe side panels as indicated in Fig 6 12 and pull the control panel When completely pulled out the panel can ro tate 45 downwards to facilitate the operations on the internal parts Installation Fig 6 12 5 Loosen the screws L and remove the service panel Fig 6 13 Fig 6 13 For the electrical connection to the boiler use elec tric wires which conform to the current regulations with flexible cord each core having a cross sec tion area not less than 0 75 mm 6 Connect the electrical supply flexible cord coming from the fused spur isolation switch to the power supply terminal block of the boiler Fig 6 14 keeping the same connections for the live brown wire and the neutral blue wire External 3 A fuse or fused plug with same current rating is recommended Do not connect live wires to terminals to which the room thermostat must be con nected 7 Connect the earth wire yellow green Connection of a room thermostat The room thermostat must be connected to the terminal block situated next to the control panel When connecting any type of external control the link M in Fig 6 14 must be removed To fused spur L N isolation switch Power supply u terminal block
32. d contact your Installer or an approved Service Engineer Air introduced into the boiler during this filling pro cess will vent through the automatic air purger fitted to the boiler You may also find it necessary to vent air from your radiator circuit using your radiator key however be aware that excessive venting will cause the pressure in the system to drop Always ensure thatthe pressure gauge is set atthe required pressure Instructions for use EE Ignition 1 Check that the valves located in the lower part of the boiler are open Fig 2 3 i cy OQ d we Os gt gt ai w Open position a Fig 2 3 2 Turn on the electricity supply to the boiler switching on the fused spur isolation switch The appliance operation light 10 Fig 2 4 will flash every 4 seconds stand by condition 3 Iftheboileristo be usedfor c h and d h w posi tion the function selector 8 as in Fig 2 4 The appliance operation light 10 will flash every 2 seconds operating boiler Fig 2 4 4 If d h w supply only is required position the function selector 8 as in Fig 2 5 The appliance operation light 10 will flash every 2 seconds operating boiler Fig 2 5 circuit temperature The output temperature of c h water is adjustable from a minimum of about 38 C to a maximum of about 85 C Fig 2 6 by turning the function se lector 8 Adjustment of c h output on the boiler is au
33. damage caused by opening of the pressure relief valve and consequent escape of water if not connected correctly to the drain On detecting the smell of gas 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 shut off the gas cocks get the assistance of a qualified person 1 Do not touch the appliance with parts of the body that are wet or damp and or bare feet In case of structural work or mainten ance near the exhaust duct and or fume ex haust devices or their attachments turn off the appliance On completion of the work have a professionally qualified person check their efficiency Repairs under guarantee must be car ried out only by an approved engineer using genuine spare parts Thus do no more than switching off the boiler yourself see the in structions LA Your boiler allows heating up of water to a temperature less than boiling point must be connected to a central heating system and or a hot water supply system compatible with its performance and output can be used only for those purposes for which it has been specially designed must not be touched by children or by those unfamiliar with its operation must not be exposed to weather condi tions Safe handling of substances Biasi products are manufactured in accordance with
34. e kits to be offset to overcome obstructions or ensure the correct clearances for the flue terminal Each elbow used in addition to the standard flanged elbow reduces the overall acceptable length of the flue system as follows 45 reduce length by 0 5 m 90 reduce length by 1 m Fig 6 6 Twin pipe kits o 80 mm Fig 6 7 Various twin split pipes kits and optional acces sories elbows are available to assist in the ter mination of the flue where the boiler is installed in a location remote to an outside wall These kits allow for separation of the air supply pipe from the pipe that discharges the exhaust gases Conse quently it is possible to extend the flue system to a greater distance than that provided by the stan dard horizontal co axial flue If either an additional 45 or 90 accessory elbow is used then the maximum permissible length of either pipe must be reduced by 0 90 m or 2 75 m respectively 90 2 75 45 0 90 m The graph in Fig 6 8 demonstrates the allowable equivalent lengths for the air supply and flue ex haust pipes of models M90E 24S and M90E 28S ae exhaust a M90E 24S M90E 28S 8 Restrictor 47mm 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 Air intake b Fig 6 8 all dimensions in metres 27 z e j E x a z e j E a Installation The graph in Fig 6 9 dem
35. e the integrity of the flue outlet pipe 45 on page 12 air intake pipe 46 on page 12 checked periodically the venturi device 42 on page 12 cleaned and the efficiency of the flue safety circuit checked at least once a year For details see the section Fan venturi device and air pressure switch in the service manual For all the above maintenance operations it is ad visable to call an approved Service Engineer ESD Visual inspection of appliance Visually inspect all water joints seals and connec tions for any evidence of leakage and retighten grease or replace them as necessary Gas pressures and soundness Check appliance for gas soundness Recheck op erational pressures and adjust as necessary as described in section 7 6 page 32 of this manual 41 MAINTENANCE POT benchmar SLLESTIVE YAAK BENCHMARK No JJ GAS BOILER COMMISSIONING CHECKLIST BOILER SERIAL No NOTIFICATION No CONTROLS To comply with the Building Regulations each section must have a tick in one or other of the boxes TIME amp TEMPERATURE CONTROL TO HEATING ROOM T STAT amp PROGRAMMER TIMER PROGRAMMABLE ROOMSTAT TIME amp TEMPERATURE CONTROL HOT WATER CYLINDER T STAT amp PROGRAMMER TIMER COMBIBOILER HEATING ZONE VALVES FITTED NOT REQUIRED HOT WATER ZONE VALVES FITTED NOT REQUIRED THERMOSTATIC RADIATOR VALVES F
36. eturn pipe ct Control valve Fig 5 2 The installer should ensure that no leaks exist either inside the boiler or on the system as fre quent filling of the system could cause premature scaling of the heat exchanger 22 5 8 Domestic water The domestic water installation must be in accord ance with the relevant recommendations of BS 5546 Copper tubing to BS EN 1057 is recom mended for water carrying pipework and must be use for pipework carrying potable water For Ireland IE refer to l S 813 2002 15 9 Water treatment Central heating circuit Where a new boiler is fitted to a new system with either plastic or copper pipes it is important the system is fully flushed on completion to ensure flux residues swarfs oils and other installation de bris 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 sec tion 7 4 of this manual Domestic hot water circuit scale protection In areas where the water is hard i e more than 200 ppm total hardness as defined by BS 7593 1993 Table 2 itis recommended that a proprietary Scale reducing device is fitted into the boiler cold supply within the requirements of the local water company EXT Electrical supply Warning this appliance must be earthed External wirin
37. fic values of G20 G30 G31 see the technical data at page 14 1 mbar approximately equals 10 mm HO 16 Technical information Electrical Data Voltage Frequency Power consumption Protection degree External fuse rating Internal fuse rating Flue design Flue pipe diameter Coaxial 60 100 Twin split pipes 80 Roof 80 125 Nominal heat flow rate 31 1 INSTALLATION Exhaust temperature 165 Smoke production 70 6 Flue gas figures Nominal heat input content content CO content Exhaust temperature Other specifications Height Width Depth Weight dry Water volume in the boler up to 1 bar Values refer to tests with a 1 m chimney working at the nominal heat input INSTALLATION Technical information Technical data M90E 32S Nominal heat input kW 35 2 BTU h 120 102 Gas supply pressures Gas norm Minimum heat input kW 15 5 BTU h 52 886 Natural 2 000 G20 20 Maximum useful output kW 32 0 BTU h 109 184 Butane 2 900 G30 29 Minimum useful output kW 12 7 BTU h 43 435 Central heating Propane 3 700 G31 37 Gas pressures at the burner Maximum temperature Gas min Ignition Minimum temperature Natural 180 600 G20 1 8 6 0 Maximum pressure Minimum pressure Butane 500 1 200 G30 5 0 12 Available head in 1000 I h
38. flashes indicating that the current state of operation has been forced To delete the timed delay setting set the mode se lector switch A in the TIMER position press the button D or E until the symbols shown in Fig 2 17 appears in the display and then set the mode se lector switch A to the AUTO position Setting example shown in Fig 2 18 forced ON state for 4 hours ci AUTO TIMER Fig 2 18 Resetting To completely reset the timer press the reset but ton with a pointed object pencil CAUTION pushing the reset button will complete ly erase the settings as well as all the data includ ing the current time Instructions for use Built in time switch B The combi boilers are equipped with a built in elec tronic time switch which controls the c h oper ation Fig 2 19 Display and control panel Mode selector switch Reset button OK button Increase setting button Decrease setting button On off button Time display ON OFF display G Tm oO ong gt Setting the current time Press repeatedly the button A until the display shows the symbol Press the buttons D or E until the current time ap pears in the display G The clock starts by pressing the button A to show the symbol AUTO Setting example shown in Fig 2 20 Current time 16 30 day Thursday M IE ZILI O ON Fig 2 20 Setting the switching time
39. function selector 8 to the position shown in Fig 2 10 The appliance operation light 10 will flash every 4 seconds Fig 2 10 When you do not expectto use the boiler for a long period 1 Switch off the electricity supply to the boiler by means of the fused spur isolation switch 2 Shutoff the gas supply cock 13 and the valves for the water circuits fitted under the boiler Fig 2 11 Instructions for use 3 Empty the water circuits if necessary as shown in the installation instructions in the sec tion maintenance MS NS L LA ki 13 Closed position Fig 2 11 Built in time switch A combi boilers are equipped with a built in elec tronic time switch 5 Fig 1 8 on page 1 which controls the c h operation G H i rur 2 DDR o 2094 F E D B Fig 2 12 Display and control panel Mode selector switch Reset button Enter button Increase setting button Decrease setting button On off button Time display ON OFF display TOommoou Setting the current time Note with a new unit or when the reset button B has been pressed and the selector switch A is to the position the time display G is flashing Set the mode selector switch A to the position and press the buttons D or E until the current time appears in the display G The clock starts by moving the switch A to the AUTO position Setting exam
40. g to the appliance must be carried out by a competent person and be in accordance with the current I E E Regulations and any local regulations which apply Reference should be made tu the current ETCI rules for electrical installations For Ireland IE refer to l 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 double pole isola tor having a contact separation of at least 3 mm between poles or alternatively by the use of a General requirements fused three pin plug and unswitched shuttered a bathroom this must then be sited outside the socket outlet both complying with BS 1363 bathroom The point of connection to the electricity supply must be readily accessible and adjacent to the appliance except were the appliance is installed in z j E 23 z e j E 4 INSTALLATION 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 original flue kits only since they are inte gral parts of the
41. he flue connection 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 Itis therefore recommended that the pump rotor be manually turned to free its rotation before turning the boiler on V Remember to release the auto air purge before filling the boiler See the instructions to identify the location of this device Do not remove the cap of the pressure test points of the air switch top left side ofthe boiler You are strongly advised to flush out the system both cold and hot in order to remove system and installation debris Itis also sensible to initially fire and com mission the boiler before connecting any ex ternal controls such as a room thermostat By this method if you have a subsequent prob lem following the addition of an external con trol you can eliminate the boiler from your fault analysis V Do not forget to range rate the boiler to suit the system requirements This pro cedure is covered in the commissioning sec tion of the installation manual If the boiler is fitted with a digital pro grammer when setting the times for auto matic operation remember that for every ON time there must be an OFF time to fol low and that on every occasion you enter a time you must also indicate which days that you want the boiler to follow the timed set tings V Some pr
42. icating that the current state of operation has been forced To delete the timed delay setting press repeatedly the button A until the display shows the symbol TIMER press the button D or E until the symbols shown in Fig 2 25 appears in the display and then press the button A until the display shows the sym bol AUTO Setting example shown in Fig 2 25 forced ON state for 4 hours OF L Fig 2 25 Note lf during manual operation power supply turns off timer must be set again following previ ous steps Resetting To completely reset the timer press the reset but ton with a pointed object pencil CAUTION pushing the reset button will complete ly erase the settings as well as all the data includ ing the current time USEFUL ADVICE Central heating For reasonably economical service install a room thermostat Never shut off the radiator 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 instead by means of the room ther mostat and the function selector 8 in Fig 3 1 Fig 3 1 Era Frost protection This appliance is provided with built in anti freeze system that operates the boiler when the temperature is below 4 C Therefore whe
43. il the lock out signal lamp 6 blinks 13 Connect the C h temperature probe NTC 25 in Fig 8 4 37 MAINTENANCE Gas conversion LD1 LD2 LD3 10 Fig 8 5 14 Pressthe reset button 7 Fig 8 3 repeatedly 4 times until the lamps 10 give the indication as in Fig 8 5 Fig 8 6 gas type mode e O e Where Lamp OFF Q Lamp ON Fig 8 6 Atthis step itis possible to visualize the current set ting by keeping the reset button 7 pressed for more than 5 seconds The lamps 10 will flash a number of times corresponding to the setting of the knob 9 in Fig 8 7 Gas type ri L PG Setting No gt 4 z ku LI NATURAL 1 x GAS MAINTENANCE Fig 8 7 Gas Position of supply Approx Max current through the modulator device 125 mA knob 9 Natural gas L P G 165 mA Fig 8 8 38 15 Tochange the setting turn the knob 9 on aposi tion corresponding to the gas used as shown in Fig 8 7 By turning the knob 9 the lock out signal lamp 6 blinks quickly 2 per seconds indicat ing that the setting has changed and must be memorised 16 To memorize the setting keep pressed the reset button 7 for about 5 seconds until the lamps 10 briefly blinks simultaneously 17 Open the gas cock 13 in Fig 8 9 T Pd B gt Open position Fig 8 9 18 To reset the boiler to the normal operation
44. inal should be located with due regard for the damage or discoloration that might occur to building products in the vicinity In cold and or humid weather water vapour may condense on leaving the flue terminal the effect of such steaming must be considered The minimum acceptable spacing from the ter minal to obstructions and ventilation openings are specified in Fig 5 1 Fig 5 1 General requirements Terminal position mm A Directly below a window or other opening 300 B Below gutters soil pipes or drain pipes 75 C Below caves 200 D Below balconies or car port roof 200 E From vertical drain pipes and soil pipes 75 F Frominternal corners 150 G From external corners 75 H Above ground or balcony level 300 l From surface facing a terminal 600 J From a terminal facing a terminal 1 200 From an opening in the car port e g door window into dwelling 1 200 L Vertically from a terminal in the same wall 1 500 M Horizontally from a terminal in the same wall 300 N Above the roof pitch with roof slope less than or equal to 30 350 Above the roof pitch with roof slope more th m JO 1 esr 600 O From wall face specific manufacturer requirements Gas supply The Gas meter is connected to the service pipe by the local g
45. k out 6 Fig 3 2 has stopped the boiler To re start the boiler it is necessary to press the boiler reset button 7 Fig 3 2 Fig 3 2 Forthe first lighting up and following maintenance procedures for the gas supply it may be necess ary to repeatthe resetting operation several times So as to remove the air present in the pipework If noises due to air bubbles are heard during operation you should check that the pressure on the tem perature and pressure gauge Fig 2 2 on page 2 is not below the correct setting If required top up the system correctly as de scribed in the section 2 2 of this manual Bleed any air present in the radiators if necessary If the pressure on the temperature and pres sure gauge 4 on page 1 has gone down itis necessary to top up the appliance with water again so as to raise the pressure to an adequate levelas described in the section 2 2 of this manual If topping up with water has to be done very fre quently have the system checked for leaks Useful advice If water comes out of the pressure relief valve Check on the temperature and pressure gauge 4 on page 1 that the pressure in the central heating circuit is not close to 3 bars In this case tempera ture 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
46. n 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 isola tion switch or close the gas inlet cock Periodic maintenance For efficient and continuous operation of the boiler it is advisable to arrange maintenance and cleaning by an Authorised Service Centre En gineer at least once a year During the service the most important compo nents of the boiler will be inspected and cleaned This service can be part of a maintenance con tract In particular you are advised to have the following checks carried out primary heat exchanger domestic hot water heat exchanger burner exhaust fume duct and flue pressurisation of the expansion tank filling up of the central heating circuit bleeding of air from the central heating system general check of the appliance s operation External cleaning Before carrying out any cleaning 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 powd ers or sponges Do not carry out cleaning of the appliance and or its parts with readily flammable substances for example petrol alcohols naphtha etc EX Operational faults If the lock out signal lamp comes on this indicates that the safety loc
47. nal lamp 6 will ap pear To reset the boiler press and release the boiler re set button 7 Fig 7 3 Checking the gas pressure at the burner This boiler has been tested to the highest qual ity control standards The maximum and minimum gas pressures are already set during this quality control process however the checking procedure must be fol lowed to ensure maximum operating efficiency from the boiler 1 Remove the front panel of the case see sec tion 9 2 in this manual 2 Loosen the internal screw 37 Fig 7 4 on the Outlet Pressure Test Point of the Gas Valve and connect a pressure gauge using a suitable hose 3 Set the d h w and c h temperature control knobs to their maximum position Commissioning 4 Switch on the boiler and open at least one hot water tap fully 5 Check the maximum gas pressure and com pare the value on the gauge with the value indi cated in the sections 4 5 4 6 or 4 7 gas pressures at the burner accordingly with the model of boiler installed 6 Check the maximum gas flow at the gas meter and compare the value indicated in the sec tions 4 5 4 6 or 4 7 gas rate accordingly with the model of boiler installed 7 Switch off the boiler 8 Disconnect the gas modulator coil by remov ing the electrical connector A Fig 7 4 Fig 7 4 9 Switch on the boiler 10 Check the minimum gas pressure and com pare the value on the gauge with the value indi cated in the
48. ng the boiler so as to remove muddy deposits It is advisable to equip the system with a sedi ment 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 neutralising gases present in the water We recommend the use of a suitable universal inhibitory to protect the c h system from cor rosion Installing the bracket The dimensions for the exhaust fume duct de tailed in section 6 7 and the correct procedures for installing the duct depicted in the instruc tion leaflet included with the flue kit must be complied with during installation To allow maintenance procedures it is necess ary to leave the minimum gaps indicated in Fig 6 1 Precautions Before mounting the bracket check that the di mensions for fitting the exhaust fume duct are complied with refer to the leaflet included with the flue kit packed separately 24 Installation 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 Overall dimensions c 95 c 237
49. ngs Press repeatedly the button A until the display shows the symbol C1 Fig 2 21 The symbols shown in Fig 2 21 appears in the display Press the OK button C until the display shows the setting to be modified or deleted The time setting can be modified now by pressing button D or E and the operation can be switched on or off by pressing the button F To delete a time set press the button D or E until the symbols shown in Fig 2 21 appears in the time display G The new settings are memorised by pressing the button A Manual operation The operation of the time switch can be forced on or off constantly or for a timed period To force constantly on or off the timer operation press repeatedly the button A until the display shows the symbol TIMER The symbols shown in Fig 2 24 appears on the display OFF M gt SEA Fig 2 24 The operation can be switched permanently on or off by pressing the button F and leaving the dis play shows the symbol TIMER To force a timed delay on or off operation press repeatedly the button A untilthe display showsthe symbol TIMER Set the time delay by pressing the button D or E and the operation can be forced on or off by pres sing the button F The time delay can be set within the following ranges 1 to 23 hours with steps of 1 hour 1 to 27 days with steps of 1 day Pressthe button A untilthe display shows the sym bol AUTO The ON OFF display H flashes ind
50. oducts incorporate an anti cycl ing time delay It is normal when first switch ing the boiler on for the boiler to operate on heating for a few seconds then switch 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 V f you are in any doubts as to the installa tion or operation ofthe boiler please read the instruction manuals thoroughly and then if necessary contact Biasi UK for advice and assistance Please remember that if you are in any doubt about the installation of this product you can contact our Technical Helpline on tel 0121 506 1350 z j a a MAINTENANCE TABLE OF CONTENTS Appliance description 1 Overview 2 Control panel 3 Isolation valves 4 Technical data lt aln 2 Instructions for use 24 Warnings 2 2 Refilling procedure 2 3 Ignitionz one rtr 2 4 circuit temperature Technical information Overview Main diagram Hydraulic specifications Expansion vessel Technical data M90E 24S Technical data M90E 28S Technical data M90E 32S General requirements Related documents
51. oice of flue 6 10 Electrical connections 6 11 External frost protection Commissioning 7 1 Electrical installation 7 2 Gas supply installation 7 3 Filling the d h w system 7 4 Initial filling of the system 7 5 Lighting the boiler 7 6 Checking the gas pressure atthe burner 7 7 Adjusting the burner ignition 7 8 Adjustment of useful c h output 7 9 Checking the ignition device 7 10 Checking the flue system 7 11 Instructing the user 9 5 Combustion analysis check 9 6 Cleaning the primary heat exchanger 9 7 Checking the pressurisation in the expansion vessel 9 8 Cleaning the burner 9 9 Checking the flue 9 10 Visual inspection of appliance 9 11 Gas pressures and soundness CO O O O O O Q El APPLIANCE DESCRIPTION 11 1 Overview 8 Function selector and c h temperature control knob 9 D h w temperature control knob 10 Appliance operation light Isolation valves Fig 1 1 15 14 413 12 1 1 Case front panel Fig 1 2 bottom view of the boiler 2 Control panel 11 C h return valve 3 Control panel cover 12 D c w inlet valve 13 Gas inlet valve KEM Contro pane 14 D h w outlet pipe 4 C h circuit temperature and pressure gauge 1
52. onstrates the allowable equivalent lengths for the air supply and flue ex haust pipes of model M90E 32S Flue exhaust a 16 M90E 32S 9 8 7 6 5 4 3 No 2 Restrictor 1 0 01 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 Air intake b Restrictor 50 mm Fig 6 9 Vertical roof kit Fig 6 10 This kit allows vertical termination of the flue pipe through the roof The kit is 1 2 m in length Exten sion pieces Co axial are also available which al lows the flue system to be extended to a total overall maximum permissible length Optional 45 and 90 elbows can be used to offset the flue route Max length 1 See Tab 6 4 for 24 and 28 kW models See Tab 6 5 for 32 kW model E Fig 6 10 28 Vertical flue kit condensation When fitting the 80 125 I flue kits where the equiv alentflue length exceeds 3 m a condensate collec tor and syphon are required If the appliance normally operates at minimum output power at very low temperatures e g 40 return 60 C flow the above equivalent length should be reduced to 1 m The syphon must also be connected to a suitable drain Please see the boiler accessory leaflet available from your Supplier for details or contact Biasi UK Technical Helpline Electrical connections Connection to the electricity supply 1 Remove the front panel of the
53. ple shown in Fig 2 13 Current time 16 30 Q i A AUTO TIMER Setting the switching time 20 memory locations are available corresponding to 10 on off sequences Setthe mode selector switch A to the C1 position The symbols shown in Fig 2 14 appears in the display Fig 2 13 Fig 2 14 Press the buttons D or E to set the desired ON time Press the enter button C to confirm the setting and to continue programming the OFF time Set the OFF time as explained above for the ON setting and confirm by pressing the enter button C Proceed in the same way for other settings Setting example shown in Fig 2 15 A ON time 7 45 B OFF time 10 30 Instructions for use A Fig 2 15 Activating the timed settings Set the mode selector switch A to the AUTO posi tion shown in Fig 2 16 The current time appears in the display The ON OFF display H indicates the current state of oper ation according to the settings Fig 2 16 Note when the mode selector switch A is in the AUTO position and the boiler is switched off at the fused spur isolation switch the display H indicates only the OFF state The other indications are blanked Reading the timed settings Set the mode selector switch A to the C1 position The symbols shown in Fig 2 14 appears in the display Press the enter button C Each time the button is pressed the display shows the details of the next setting Changing or dele
54. sections 4 5 4 6 or 4 7 gas pressures at the burner accordingly with the model of boiler installed 11 Switch off the boiler and re connect the elec trical connector A to the modulator coil 12 Access the main control panel see section 6 10 follow steps 2 5 13 Switch on the boiler 14 Check the ignition gas pressure by setting dip switch 3 NO TAG to the OFF position Compare the value on the gauge with the value indicated in the sections 4 5 4 6 or 4 7 gas pressures at the burner accordingly with the model of boiler installed If the ignition gas pressure is not set correctly see section 7 7 in this manual for the adjust ment procedure If ignition gas pressure is cor rect switch dip switch 3 to the ON position 15 Switch off the boiler turn off the hot water tap s and disconnect the pressure gauge If the maximum and minimum gas pressures measured above are notin accordance with the technical data sections 4 5 4 6 or 4 7 then ad justment will be necessary A full explanation of the gas pressure adjustment procedure is given in the Gas Valve section of the service manual If maximum and or minimum gas pres sures are adjusted then the ignition gas pres sure must be checked and adjusted if necessary Important after the gas pressure checks and any adjustment operations all of the test points and adjustment devices must be sealed Adjusting the burner ignition 1 Turn off the
55. ter the gas pressure checks and any adjustment operations all of the test points must be sealed and replace the adjustment protection cap Adjustment of useful c n output The following procedure allows the output of the boiler for central heating to be adjusted to meet the system requirement Adjusting the useful cen tral output does not prevent the boiler firing at maximum rate for domestic hot water production Refer to Fig 7 13 Fig 7 14 and Fig 7 15 de pending on the gas used and determine the cor rect burner pressure appertaining to the output required for the central heating requirement 1 Remove the front panel of the case 2 Loosen the screws and remove the service panel Fig 7 6 Fig 7 6 3 Open the gas valve outlet pressure test point 37 Fig 7 4 and connect the gauge 34 4 Rotate the knob 9 as in Fig 7 7 5 Turn the boiler ON positioning the function se lector 8 as indicated in Fig 7 7 and ensure that the timer selector switch and room thermostat if fitted are set to heat demand Run the boiler in c h mode do not open any d h w tap 10 Fig 7 7 6 Keep pressed the reset button 7 for about 10 seconds until the lock out signal lamp 6 blinks Fig 7 7 LD1 LD2 LD3 DD Fig 7 8 7 The lamps 10 should give the indication as in Fig 7 8 Fig 7 9 If not press the reset button 7 Fig 7 7 repeat edly to obtain it
56. the requirements of the current l E E Wir ing Regulations and in Scotland 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 5 813 2002 and the current ETCI rules for electrical installations Where a room sealed appliance is installed in aroom containing a bath or shower any electri 20 cal switch or appliance 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 ad equate flue and termination For unusual locations special procedures may be necessary and BS 6798 gives detailed guidance on this aspect A compartment used to enclose the appliance must be designed specifically for this purpose This appliance is not suitable for external installa tion EX Flue system The provision for satisfactory flue termination must be made as described in BS 5440 part 1 For Ireland IE refer to l S 813 2002 Theappliance mustbe installed so thatthe flue ter minal is exposed to external air It must not be installed so that the terminal dis charges into an other room or space as an out house or lean to It is important that the position ofthe terminal allows a free passage of air across at all times Theterm
57. through This procedure must be repeated twice more During this operation we highly recommend the use of a c h flushing detergentin the quan tities as specified by the appropriate manufac turer whose function it is to dissolve any foreign matter which may be in the system The above operation could save the invalida tion of your boilers guarantee and will also pre vent problems which you may experience in the future if an inhibitory is not used 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 heating for a few sec onds 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 pro vide d h w If external controls are fitted e g Timeclock room thermostat ensure they call for heat 1 Turn on the electricity supply to the boiler switching on the fused spur isolation switch The appliance operation light 10 will flash every 4 seconds 2 Turn the function selector 8 as in Fig 7 3 The appliance operation light 10 will flash every 2 seconds 32 Fig 7 3 The boiler will now go through an ignition se quence and the burner will light If during the ignition attempt period the boiler fails to light the full sequence control p c b will go to lockout and the lock out sig
58. tial filling of the system 1 Open the c h flow and return valves 2 Remove the front panel of the case see the section 9 2 in this manual 3 Unscrew the cap on the automatic air purger valve 21 Fig 7 2 one full turn and leave open permanently 4 Gradually open stopcock at the filing point connection to the c h system until water is Fig 7 2 5 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 6 Purge the air from the pump by unscrewing the pump plug 20 Fig 7 2 release the pump shaft by turning in the direction indicated by the arrow on the information plate 7 Replace the pump plug 8 Continue filling the system The actual reading should ideally be 1 3 bar and not less than 0 3 bar 9 Close all air release valves on the c h system 10 Inspect the boiler and the system for water soundness and remedy any leaks discovered 11 Cold flush the system to remove any loose par ticles and any system debris before starting the boiler for the first time 31 z g E a z e j E E 4 Commissioning The flushing procedure must be in line with BS7593 Treatment of Water in d h w c h Sys tems When the installation and second filling are completed turn on the c h system and run it until the temperature has reached the boiler operating temperature The system must then be immediately flushed
59. ting the timed settings Set the mode selector switch A to the C1 position The symbols shown in Fig 2 14 appears in the display Press the enter button C until the display shows the setting to be modified or deleted The time setting can be modified now by pressing button D or E and the operation can be switched on or off by pressing the button F To delete a time set press the button D or E until the symbols shown in Fig 2 14 appears in the time display G The new settigs are memorized by moving the switch A to a different position Manual operation The operation of the time switch can be forced on or off constantly or for a timed period 6 To force constantly on or off the timer operation set the mode selector switch A to the TIMER posi tion The symbols shown in Fig 2 17 appears on the display di AUTO TIMER Fig 2 17 The operation can be switched permanently on or off by pressing the button F and leaving the switch Ain the TIMER position To force a timed delay on or off operation set the mode selector switch A in the TIMER position Set the time delay by pressing the button D or E and the operation can be forced on or off by pres sing the button F The time delay can be set within the following ranges 1 to 23 hours with steps of 1 hour 1 to 27 days with steps of 1 day The time delay setting is activated by moving the switch A to the AUTO position The ON OFF display H
60. tions given in the section 9 5 of this manual Reference figures are given in the sections 4 5 4 6 or 4 7 of this manual Flue gas figures Instructing the user Hand over this combined User amp Installation man ual and the Service manual to the end user and ex plain how to use the unit in both c h and d h w modes Take the User step by step through the lighting in structions 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 sys tem controls this will ensure the greatest possible fuel economy Explain the function and use of the function selec tor 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 precautions necessary to prevent damage should the appliance be inoperative when freezing condi tions may occur Fill in the details required on the Boiler Guarantee Certificate and hand to the User advising them to return the correct section for boiler Guarantee reg istration Finally advise the User that for continued safe and efficient operation the appliance must be ser viced by a competent person at least once a year EM GAS CONVERSION Warnings The commissioning of this boiler and sys tem must only be undertaken by a pro fessionally qualified person in accordance
61. to matic The greatest output pre set in the factory can however be reduced in level according to actual system requirements this does not affect the maximum output in d h w operation Such adjustments must be carried out by a quali fied person therefore we advise you to contact your installer or Service Agent Adjustment of the boiler temperature alters the gasflow atthe burner according to the thermal de mand in the system So itis usualto see the burner lit at the minimum level for more or less long periods Minimum 5 Fig 2 6 Adjustment In order to achieve optimal settings for economy and comfort we recommend adjusting the oper ating temperature of the c h water according to the outside temperature positioning the knob as follows From 5 to 15 C Between 5 and 5 C Lower than 5 C Fig 2 7 Instructions for use Your qualified installer will be able to recommend the most suitable adjustment for your system The temperature and pressure gauge 4 Fig 1 3 on page 1 will allow you to check that the set tem perature is obtained gt temperature The temperature of the d h w leaving the boiler can be varied from a minimum of about 35 C toa maximum of about 55 C Fig 2 8 by turning the temperature control knob 9 Minimum Maximum Fig 2 8 Adjustment of the d h w temperature is complete ly separate from that of the c h
62. ty thermostat 36 Modulation operator 37 Gas valve outlet pressure test point 38 Gas valve inlet pressure test point 39 D h w heat exchanger 40 C h expansion tank 41 By pass valve 42 Venturi device 43 Domestic water circuit filter 44 D h w flow limiter 45 Flue outlet pipe 46 Air intake pipe z g j E 25 24 23 22 21 20 19 18 17 16 Fig 4 1 11 C h return valve 12 Domestic cold water inlet valve 11 Technical information 42 Main diagram T 46 45 l SN X EE 34 lt 31 35 m 2 2 Y C 0000000000000 E 21 pe 258 l 28 2 L 19 37 a fr 36 23 oak 26 43 38 Ij i 16 22 wz 18 i 41783 X is J Qo h 13 11 15 12 14 Fig 4 2 Technical information Hydraulic specifications kPa bar 60 0 6 50 0 5 40 0 4 30 0 3 20 0 2 10 0 1 0 0 0 0 200 400 600 800 1000 1200 1400 Vh
63. ver to the User for future reference by other visiting Engineers Also included is the Service Interval Record card that should be completed by the Service Engineer following the annual service maintenance of the boiler and system For Ireland IE it is necessary to complete a Declaration of Conformity to indicate com pliance to 1 5 813 2002 This appliance must be installed by a compet ent person in accordance with the Gas Safety installation 8 Use Regulations Related documents The installation of this appliance must be in ac cordance with the relevant requirements of the current Gas Safety Installation amp Use Regula tions the Local Building Regulations the current LE E Wiring Regulations the Regulations and by laws of the local water undertaking and in Scotland in accordance with the Building Stan dards Scotland Regulation Health and safety document n 635 Electricity at work regs It should also be in accordance with the British Standard Codes of Practice In Ireland IE The installation must be carried out by a Competent Person and installed in accord ance with the current edition of l S 813 2002 Do mestic Gas Installations the current Building Regulations and reference should be made to the current ETCI rules for electrical installations Location of appliance The appliance may be installed in any room or in ternal space although particular attention is drawn to
64. y 112 Gas G20 20 mbar G30 29 mbar G31 37 mbar Country of destination United Kingdom GB Irealnd IE This appliance conforms with the EEC directive 90 396 and consequently it has the rightto make use of the brand name Moreover the appliance conforms with the EEC directive 87 308 relative to the prevention and elimina tion of radio disturbances The appliance is built to comply with the regulation now in force regarding gas appliance s safety and the European regulation now in force relative to safety of household and similar electrical appliances The manufacturer in the continuous pocess 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 cannot be considered as a contract to wards third parties Boiler installation and commissioning tips The installation must be carried out by a qualified person who will be responsible for observing the current Regulations Installing the boiler Do not forget to remove the transit caps and plugs from the boiler connections these are fitted to every boiler Keep the boiler clear of dust during in stallation 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 rec ommended that you puta dust sheet over the top of the boiler until you are ready to make t
65. z g j E a Installation Fitting the flue system Refer to the assembly instructions contained with in the chosen flue kit packaging for the correct as sembly and installation Flue restrictors Two restrictors with different size are supplied with the boilers M90E 24S and M90E 28S A 44 mm size is fitted to the boiler and a 47 mm size is supplied in a separate bag Two restrictors with different size are supplied with the boiler M90E 32S A 47 mm size is fitted to the boiler and a50 mm size is supplied in a separate bag The size is marked on the restrictor body For the correct use of the restrictors with co axial pipes 2 60 100 mm refer to Tab 6 2 for models M90E 24S and M90E 28S Tab 6 3 for model M90E 32S For the correct use of the restrictors with vertical roof kit 80 125 mm refer to Tab 6 4 for models M90E 24S M90E 28S Tab 6 5 for the model M90E 32S For the correct use of the restrictors with twin pipes refer to Fig 6 8 for the models M90E 24S and M90E 28S refer to Fig 6 9 for the model M90E 32S Model M90E 24S M90E 28S Equivalent length e 60 100 Between 0 3 and 1m Tab 6 2 FOR CO AXIAL STANDARD FLUE More than 1 m up to2 m More than 2 m up to 3 m Model M90E 32S Equivalent length 60 100 Between 0 3 and 1 m no restrictor Tab 6 3 FOR CO AXIAL STANDARD FLUE More than 1 m up to 2 7 m 26 Models M90E 24S M90E 28S Equivalent length e 80 1

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