Related Manuals for Biasi Riva Plus HE M296.24SM
Summary of Contents for Biasi Riva Plus HE M296.24SM
-
Page 1: Installation Instructions
Wall hung, fanflue, roomsealed, high efficiency gas boiler User manual and Installation instructions Riva Plus HE Models G.C. Appl. No. M296.24SM/C 47-583-24 CoMbI boIlER M296.28SM/C 47-583-25 CoMbI boIlER... - Page 2 This allows a gain of useful heat that otherwise would be lost. Biasi UK Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, efficiency and performance.
-
Page 3: Using The Boiler
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. The lighting up must be carried out by competent and responsible engineer. The manufacturer •... - Page 4 On completion of the work, have a professionally qualified person check their efficiency. Repairs (under guarantee) must be carried out only by a Biasi an approved engineer, us- ing genuine spare parts. Thus do no more than switching off the boiler yourself (see the instructions).
-
Page 5: Installing The Boiler
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. - Page 6 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.
-
Page 7: Table Of Contents
TAblE oF CoNTENTS 1 APPlIANCE DESCRIPTIoN ... . . 8 Installing the bracket..... 38 Overall dimensions . -
Page 8: Appliance Description
APPlIANCE DESCRIPTIoN APPlIANCE DESCRIPTIoN 8 Function selector and c.h. temp. control knob overview 9 D.h.w. temperature control knob 10 Appliance operation lights The model and serial number of the boiler are printed on bottom right side. Isolation valves Provide for the installation of a stop valve on the D.c.w. -
Page 9: Technical Data
APPlIANCE DESCRIPTIoN Technical data For detailed technical data see sections "Technical Data" on pag. 24 or pag. 27. Faulty c.h. temperature probe NTC Faulty d.h.w temperature operation lights probe NTC Three lights (10 in Fig. 1.3) give detailed in- dication regarding the operation of the boiler. Faulty flue temperature probe NTC The following table gives the relationship... -
Page 10: Instructions For Use
Warnings the temperature is below 5 °C. biasi UK ltd support the benchmark ini- Therefore, when the boiler is not lit or used in cold weather, with consequent risk of tiative. The benchmark Checklist is locat-... -
Page 11: Ignition
INSTRUCTIoNS FoR USE • Close the valves and remove the filling flash every 2 seconds (operating boiler). loop. If you experience any difficulty with the operation of the boiler, switch off the boil- er immediately at the fused spur isolation switch and contact your Installer or an approved Service Engineer. -
Page 12: Temperature
INSTRUCTIoNS FoR USE the gas flow at the burner according to the boiler can be varied from a minimum of about thermal demand in the system. So it is usual 35°C to a maximum of about 55°C (Fig. 2.8), to see the burner lit at the minimum level for by turning the temperature control knob 9. -
Page 13: Extinguishing
INSTRUCTIoNS FoR USE switch. • Shut off the gas supply cock 14 and the valves for the water circuits fitted under the boiler (Fig. 2.11). • Empty the water circuits, if necessary, as shown in section General access and emptying hydraulic circuits in the service manual. - Page 14 INSTRUCTIoNS FoR USE D Increase “+” setting button ON setting and confirm by pressing the “en- E Decrease “-” setting button ter” button C. Proceed in the same way for F On-off button other settings. G Time display Setting example shown in Fig. 2.15: H ON-OFF display ON time 7.45.
-
Page 15: Built In Time Switch B
INSTRUCTIoNS FoR USE Press the “enter” button C until the display that the current state of operation has been shows the setting to be modified or deleted. forced. The time setting can be modified now by To delete the timed delay setting, set the mode selector switch A in the TIMER posi- pressing button D or E and the operation can be switched on or off by pressing the button... - Page 16 INSTRUCTIoNS FoR USE Display and control panel Set the OFF time as explained above for the A Mode selector switch ON setting and confirm by pressing the “OK” b Reset button button C. Proceed in the same way for other C OK button settings.
- Page 17 INSTRUCTIoNS FoR USE the display. Press the button A until the display shows Press the “OK” button C until the display the symbol AUTo. shows the setting to be modified or deleted. The ON-OFF display H flashes indicating that the current state of operation has been The time setting can be modified now by pressing button D or E and the operation can forced.
-
Page 18: Useful Advice
USEFUl ADVICE USEFUl ADVICE the obstruction by pouring hot water over the exposed pipe an cleaning any blockage Central Heating from the end of the pipe. If this fails to remedy the problem the assis- For reasonably economical service install a room thermostat. -
Page 19: Operational Faults
USEFUl ADVICE Do not carry out cleaning of the appliance If noises due to air bubbles are heard and/or its parts with readily flammable sub- during operation... stances (for example petrol, alcohols, naph- You should check that the pressure on the tha, etc.). - Page 20 USEFUl ADVICE If water should occasionally leak from the boiler... Shut off the valves positioned under the boiler (Fig. 2.11 on page 13) and call an Au- thorised Service Centre Engineer. If the left appliance operation light 10 (Fig. 3.3) flashes very quickly the boiler is detecting a fault.
-
Page 21: Technical Information
TECHNICAl INFoRMATIoN TECHNICAl INFoRMATIoN overview Fig. 4.1 - 21 -... -
Page 22: Main Diagram
TECHNICAl INFoRMATIoN Main diagram Fig. 4.2 11 Condensate drain pipe 18 Air pressure sensor test points 12 C.h. return valve 19 Air pressure sensor 13 D.c.w. inlet valve 20 Flue temperature probe NTC 21 Condensing heat exchanger 14 Gas inlet valve 15 D.h.w. - Page 23 TECHNICAl INFoRMATIoN 25 Condensate trap 26 Automatic air purger valve 27 Pump vent plug 28 Pump 29 C.h. pressure relief valve 30 D.h.w. flow switch 31 Modulation gas valve 32 Modulation operator 33 Gas valve outlet pressure test point 34 Gas valve inlet pressure test point 35 D.h.w.
-
Page 24: Technical Data Mod. M296.24Sm/C
TECHNICAl INFoRMATIoN Technical data mod. M296.24SM/C Heat input Domestic hot water 25,0 Min/Max temperature settings °C 35 - 55 Nominal net (ch - dhw) BTU/h 85304 1000 Maximum pressure 27,8 Nominal gross (ch - dhw) BTU/h 94687 Minimum pressure Minimun net ch - dhw BTU/h 25591 Flow rate minimun... - Page 25 TECHNICAl INFoRMATIoN Ø mm Max. gas pressures at the burner Gas restrictors references N° /100 1340 Natural G20 Natural G20 mbar 13,4 Butane G30 2760 Butane G30 Propane G31 mbar 27,6 3550 Propane G31 Electrical data mbar 35,5 Voltage Min. gas pressures at the burner Frequency Natural G20 Power consumption...
- Page 26 TECHNICAl INFoRMATIoN contents - ch dhw Nominal heat input 25,0 (A) (E) content with gas G20 content with gas G 30 G31 Minimum heat input (A) (E) content with gas G20 content with gas G30 G31 Other specifications Height Width Depth Weight (dry) 42,5...
-
Page 27: Technical Data Mod. M296.28Sm/C
TECHNICAl INFoRMATIoN Technical data mod. M296.28SM/C Heat input Domestic hot water 29,0 Min/Max temperature settings °C 35 - 55 Nominal net (ch - dhw) BTU/h 98952 1000 Maximum pressure 32,2 Nominal gross (ch - dhw) BTU/h 109837 Minimum pressure Minimun net ch - dhw BTU/h 29686 Flow rate minimun... - Page 28 TECHNICAl INFoRMATIoN Ø mm Max. gas pressures at the burner Gas restrictors references N° /100 1330 Natural G20 Natural G20 mbar 13,3 Butane G30 2780 Butane G30 Propane G31 mbar 27,8 3550 Propane G31 Electrical data mbar 35,5 Voltage Min. gas pressures at the burner Frequency Natural G20 Power consumption...
- Page 29 TECHNICAl INFoRMATIoN contents - ch dhw Nominal heat input 29,0 (A) (E) content with gas G20 content with gas G 30 G31 Minimum heat input (A) (E) content with gas G20 content with gas G30 G31 Other specifications Height Width Depth Weight (dry) Water volume in the boiler (up to 1...
-
Page 30: Hydraulic Specifications
TECHNICAl INFoRMATIoN Hydraulic specifications Expansion vessel The hydraulic specifications in Fig. 4.3 rep- Note: this boiler is designed for opera- resent the pressure (available head for the tion only in a sealed central heating sys- tem. central heating system) as a function of the flow rate. -
Page 31: General Requirements
GENERAl REQUIREMENTS GENERAl REQUIREMENTS indicate compliance to I.S.813.2002. This appliance must be installed by a competent person in accordance with the Gas Safety (installation & Use) Regu- lations. benchmark places responsibilities on Related documents both manufacturers and installers. The purpose is to ensure that customers are The installation of this appliance must be in provided with the correct equipment for accordance with the relevant requirements... -
Page 32: Flue System
GENERAl REQUIREMENTS lations. could cause a nuisance should be avoided. The minimum acceptable spacing from Where a room-sealed appliance is in- the terminal to obstructions and ventilation stalled in a room containing a bath or openings are specified in Fig. 5.1. shower, any electrical switch or appli- ance control, utilising mains electricity should be so situated that it cannot be... -
Page 33: Gas Supply
GENERAl REQUIREMENTS o Above the roof pitch with roof Air supply slope less than or equal to 30° The room in which the boiler is installed o Above the roof pitch with roof does not require a purpose provided air slope more than 30°... -
Page 34: Water Circulation (C.h.)
GENERAl REQUIREMENTS • the number of bends and joints should be A Boiler kept at minimum. E Sink F Open end of condensate drainage pipe The drain pipe should be adequately fixed direct into gully below grating but above to prevent pipe sagging. water level If a part of the drainpipe runs externally this part should be kept as short as possible and... -
Page 35: Domestic Water
GENERAl REQUIREMENTS The by-pass is calibrated to assure a mini- In these circumstances it is therefore rec- mum flow of 200-300 lts/hr through the main ommended that a 3 bar pressure reducing heat exchanger. valve be fitted to the incoming mains wa- ter supply and a mini expansion vessel in- If you are installing a system that includes thermostatic radiator valves (TRV) and/or... -
Page 36: Water Treatment
GENERAl REQUIREMENTS 5.10 Water treatment ditions of the overvoltage category III. Alter- C.h. circuit natively it can be used a 3A fused three pin Where a new boiler is fitted to a new sys- plug and unswitched shuttered socket outlet both complying with BS 1363. -
Page 37: Installation
INSTAllATIoN INSTAllATIoN Precautions for installation following prescriptions Warnings must be respected for installa- The use of gas appliances is tion: subject to statutory control; it is essential to observe the current regulations and laws in force • The boiler must be fixed to a strong wall. (see also chapter 5). -
Page 38: Installing The Bracket
INSTAllATIoN overall dimensions • If the boiler is installed outside, cover the appliance to protect it against the ele- The boiler respects the following dimen- ments and add some special anti-freeze sions: (neutralised) to the c.h. system. ø80 ø80 • Before installing the boiler on an existing c.h. -
Page 39: Joints
INSTAllATIoN Joints charge pipework. • Fit the condensate drain 11 (Fig. 6.4) in the Pipe sizes air brake connected to the drainage pipe- Functions (o.d) work. See also section "Condensate drain" Gas, c.h. return, c.h. flow ø 22 to page 33. D.c.w. -
Page 40: Choice Of Flue
INSTAllATIoN there is no sag in the flue pipe and a mini- Vertical kit with 90° elbow (Fig. 6.6 b) mum fall of 1,5 deg. (25 mm per metre) over Co-axial 60/100 mm. the whole length towards the boiler is en- Supplied with a straight flanged adapter sured. - Page 41 INSTAllATIoN wall. the building. These kits allow for separation of the air Two restrictors with different size are supply pipe from the pipe that discharges supplied with the twin pipe kit and have to be installed between the boiler and the the exhaust gasses.
-
Page 42: Electrical Connections
INSTAllATIoN dimensions of the ducts “a” and “b” of Fig. 6.11. Type C32 ”a” vertical length (m) 90° =--- 1 m max =8,5 m ø 125 45° =--- 0,5 m Allowed values Fig. 6.10 Pluming kit (Fig. 6.11) (Fig. 6.11) Co-axial ø... - Page 43 INSTAllATIoN Fig. 6.15 Fig. 6.13 For the electrical connection to the boiler • Remove the side panels or move the low- use electric wire switch conform to the cur- er part of the side panels as indicated in rent regulations, with flexible cord, each Fig.
-
Page 44: External Frost Protection
INSTAllATIoN To the external To the fused control device spur isolation switch Fig. 6.16 • Connect the room thermostat between ter- minals 1 and 3 as shown in Fig. 6.17. Fig. 6.18 Do not connect live wires to ter- 6.10 External frost protection minals to which the room ther- mostat must be connected. -
Page 45: Commissioning
CoMMISSIoNING CoMMISSIoNING the appliance for leaks. Warnings The commissioning of this boiler and system must only be undertaken by a professionally qualified person in ac- cordance with the requirements of the Gas Safe Installation and Use Regula- tions and be approved by Gas Safe. open position Ensure that the benchmark Checklist is Fig. -
Page 46: Condensate Pipe And Traps
CoMMISSIoNING • Gradually open stopcock at the filling point The above operation could save the in- connection to the c.h. system until water is validation of your boilers guarantee and heard to flow; do not open fully. will also prevent problems which you may experience in the future if an inhibi- •... -
Page 47: Lighting The Boiler
CoMMISSIoNING The boiler will now go through an ignition Sampling points sequence and the burner will light. Flue exhaust 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- nal lamp 6 will appear. -
Page 48: Checking The Burner Ignition
CoMMISSIoNING • Check the maximum gas flow at the gas • Reassemble the sealed chamber lid and meter and compare the value indicated in the front panel of the case (see "Disman- the sections "Technical Data" on pag. 24 tling the external panels" to page 53). or pag. -
Page 49: Checking The Ignition Device
CoMMISSIoNING 7.11 Checking the flue system • Watch the gauge and check to see if the ignition pressure registered corresponds The flue system should be visually checked to the values as given in the Technical for soundness. Check all clamps, gaskets Data. - Page 50 CoMMISSIoNING Explain how to turn off the appliance for both short and long periods and advise on the precautions necessary to prevent dam- age should the appliance be inoperative when freezing conditions may occur. Fill in the details required on the Boiler Guarantee Certificate and hand to the User advising them to return the correct section for boiler Guarantee registration.
-
Page 51: Gas Conversion
GAS CoNVERSIoN GAS CoNVERSIoN • Re-assemble the burner, the front panel of the combustion chamber. Warnings • Switch on the appliance at the mains iso- The commissioning of this boiler and lating spur. system must only be undertaken by Safe- •... - Page 52 GAS CoNVERSIoN rent setting by keeping the reset button 7 Factory setting = Natural gas (as illustrated) pressed for more than 5 seconds. The lamps 10 will flash a number of times correspond- ing to the setting of the knob 9 in Fig. 8.5. L.P .G.
-
Page 53: Maintenance
MAINTENANCE MAINTENANCE Side panels • Loosen the screws B. Bring the bottom Warnings of the panels away from the boiler and The procedures detailed in this chapter lift them, freeing them from the top hooks must be carried out only by a Gas Safety (Fig. -
Page 54: Combustion Analysis Check
MAINTENANCE Cleaning the burner If the boiler is being drained to prevent freezing, the d.h.w. heat exchanger must The sloping and multi-gas type burner be removed and inverted to drain fully or (41on page 23) does not need special main- an antifreeze solution added. -
Page 55: Gas Pressures And Tightness
MAINTENANCE 9.12 Gas pressures and tightness Check appliance for gas tightness. Recheck operational pressures and adjust as neces- sary as described in section "Checking the gas pressure at the burner" to page 47. 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 par- tial drain down. - Page 56 NoTES - 56 -...
- Page 57 NoTES - 57 -...
-
Page 58: List
Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty. This does not affect the customer’s statutory rights. If yes, and if required by the manufacturer, has a water scale reducer been fitted? Condensing Boilers only The condensate drain has been installed in accordance with the manufacturer’s instructions and/or BS5546/BS6798 If the condensate pipe terminates externally has the pipe diameter been increased and weatherproof insulation fitted? -
Page 59: Service Record
service record It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. - Page 60 *1796215484* 17962.1548.4 0312 60A5 biasi UK ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel. 01922 714600 Tech. Service Tel. 01922 714636 www.biasi.co.uk...
Need help?
Do you have a question about the Riva Plus HE M296.24SM and is the answer not in the manual?
Questions and answers