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Summary of Contents for Biasi Activ A Plus 16S
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Page 1: Installation Instructions
Wall hung, fanflue, roomsealed, high efficiency gas boiler User manual and Installation instructions Activ A Plus Models G.C. Appl. No. Activ A Plus 16S Activ A Plus 25S... - Page 2 Congratulations on your choice. Activ A Plus are condensing high efficiency sealed chamber fan flue gas boilers. They are fully electronically controlled and have electronic ignition. The materials they are made of and the control systems they are equipped with give you safety, a high level of comfort and energy savings to allow you to get the greatest benefit out of independent heating.
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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 fu- ture. The lighting up must be carried out by competent and responsible engineer. The manufacturer •... - Page 4 Safe handling of substances Biasi products are manufactured in accordance with ISO 9001 and do not, and will not, contain any hazardous materials or substances such as asbestos, mercury or C.F.C.’s. The appliance packaging does not contain any substances, which may be considered a hazard to health.
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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.
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Page 7: Table Of Contents
7.15 Checking the condensate drain pipe ..66 Technical data Activ A Plus 16S ... . . 28 7.16 Instructing the user..... . . 66 Technical data Activ A Plus 25S . -
Page 8: Appliance Description
APPLIANCE DESCRIPTION APPLIANCE DESCRIPTION Overview Isolation valves The model and serial number of the boiler are printed on bottom right side. Fig. 1.2 2 Gas supply label 3 C.h. flow valve Fig. 1.1 4 Gas inlet valve 5 C.h. return valve 1 Controls panel 6 Condensate drain pipe 7 Main circuit drain valve... -
Page 9: Controls Panel
APPLIANCE DESCRIPTION Controls panel RESET that takes all parameters back to the factory value occurs only setting "parameter 08=04". Reset is displayed by switch on of all symbols present on the display. Press keys 13 and 17 (Fig. 1.3) simultaneously for 5 seconds in order to reset all the scheduling (both preheating and heating). -
Page 10: Lcd General Features
APPLIANCE DESCRIPTION Indicate the status LCD general features of the scheduling re- For the boiler technical informations refer to quest the section "TECHNICAL INFORMATION" Flashing: to page 25. comfort program in process; reduced pro- gram in process; The day of the week is displayed high- lighting the number with the following... - Page 11 APPLIANCE DESCRIPTION The ignition of the Constantly illuminat- key, the arrow, M, ed: remote control and the month (1 or connected 2) indicates the next Flashing: request due date for mainte- from remote control nance. in process The flashing of the Constantly illuminat- symbol, the arrow, M ed: pump active...
- Page 12 APPLIANCE DESCRIPTION FUNCTION FUNCTION In the case of incorrect Flame detection error pressure the value is visualised with a flash- Failure return ing symbol probe When pressure DT delivery-return > achieved the symbol remains on for 15 s and 40K (if foreseen) then disappears.
- Page 13 APPLIANCE DESCRIPTION FUNCTION Boiler chimney sweep in function. The activation of the chimney sweep occurs configuring the "param- eter P09=01" and is visualized: LP = minimum dhw hP = minimum heating cP = maximum heating dP = maximum dhw The transition occurs with keys 16 (increase) and 15 (decrease) dhw temperature.
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Page 14: Instructions For Use
INSTRUCTIONS FOR USE INSTRUCTIONS FOR USE critical pressure (too low): 0.00 < P < 0.15 Warnings Biasi UK Ltd support the Benchmark If you are in any doubt regarding this initiative. The Benchmark Log Book is procedure you are advised to contact located at the back of this manual and your Installer or an Approved Engineer. -
Page 15: Ignition
INSTRUCTIONS FOR USE • Turn on the electricity supply to the boil- er, switching on the fused spur isolation switch. The LCD display displays the state within which the boiler is found (last mem- orised) Fig. 2.4. Fig. 2.2 Stand-by If you experience any difficulty with the Hyphens are turned operation of the boiler, switch off the... -
Page 16: C.h. Circuit Temperature
INSTRUCTIONS FOR USE The display will indicate: for hour and minutes for the day of the week (1=Mon, ..., 7=Sun) Fig. 2.8 for day and month C.h. circuit temperature for the year The output temperature of c.h. water can be adjusted by acting on keys 15 (reduce) and for the format 16 (increase) (Fig. - Page 17 INSTRUCTIONS FOR USE tem. to have two different heat delivery tempera- tures. The control of the set temperature reached The heating temperature of the zone valve can be seen on the LCD display by means controlled by a thermostat is configured on of the missing symbol the boiler control panel using keys 15 and 16 Fig.
- Page 18 INSTRUCTIONS FOR USE 12 13 Fig. 2.12 Fig. 2.14 Press keys 9 or 10 (Fig. 2.12) to select the If all 4 programmes (P1÷P4) are not used, individual day (1)(2)(3)(4)(5)(6)(7) or if you the unused programmes must be set to 0 as want groups of days with the same time shown in Fig.
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Page 19: Extinguishing
INSTRUCTIONS FOR USE To exit programming, hold down key 17 for • Shut off the gas supply cock and the 5 seconds (all changes will be saved) or valves for the water circuits fitted under wait 60 seconds. the boiler Fig. 2.19. N.B.: If you re-enter programming mode to modify the values, the new brackets over- write the previous ones if necessary, wher-... -
Page 20: Useful Advice
USEFUL ADVICE USEFUL ADVICE Central Heating For reasonably economical service install a room thermostat. Never shut off the radia- tor in the area where the room thermostat Fig. 3.2 is installed. If a radiator (or a convector) does not heat Therefore, when the boiler is not lit and up, check that no air is present in it and that used in cold weather, with consequent risk... -
Page 21: External Cleaning
USEFUL ADVICE advised to have the following checks car- ried out: • domestic hot water heat exchanger; • condensing heat exchanger • burner; • exhaust fume duct and flue; • pressurisation of the expansion tank; Fig. 3.3 • filling up of the central heating circuit; •... -
Page 22: Displaying In Info Mode
USEFUL ADVICE In order to reset good function- In this case or in case of prob- ing of the boiler, call a compe- lems other than those men- tent and responsible Service tioned here, switch off the boil- Engineer. er, as described in section "Extinguishing"... -
Page 23: Remote Anomaly Code
USEFUL ADVICE Remote anomaly code 16 (increase) keys. In order to exit the INFO mode, hold keys 12 and 16 (Fig. 3.5) If the boiler is connected to remote (option- pressed at the same time. al), a code that indicates a boiler anomaly is displayed in the centre of the display. - Page 24 USEFUL ADVICE To restore the normal operation of the boiler, contact the Authorized Service Centre. Fig. 3.7 - 24 -...
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Page 25: Technical Information
TECHNICAL INFORMATION TECHNICAL INFORMATION Overview Fig. 4.1 - 25 -... -
Page 26: Main Diagram
TECHNICAL INFORMATION Main diagram Fig. 4.2 3 C.h. flow valve 21 C.h. temperature probe NTC (delivery) 4 Gas inlet valve 22 C.h. temperature probe NTC (return) 5 C.h. return valve 23 Condensing heat exchanger 6 Condensate drain pipe 24 Safety thermostat 25 Flame-detecting electrode 7 Main circuit drain valve 19 Condensing heat exchanger air purger... - Page 27 TECHNICAL INFORMATION 29 Automatic airpurger valve 30 Pump 31 Pump vent plug 32 Gas valve 33 Gas valve inlet test point 34 Control box containing: External temperature probe terminal block, remote terminal block, power supply terminal block, external controls terminal block 35 Primary circuit pressure switch 36 Condensate trap 37 Fan...
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Page 28: Technical Data Activ A Plus 16S
TECHNICAL INFORMATION Technical data Activ A Plus 16S Heat input Central heating 16,0 Min/Max flow temperature settings* °C 25 - 85 Nominal net BTU/h 54594 Maximum pressure 17,8 Nominal gross BTU/h 60600 Minimum pressure Minimun net BTU/h 20473 Available head (in 1000 l/h) - Page 29 TECHNICAL INFORMATION Gas rate maximum Flue gas figures Natural G20 1,69 Nominal heat input 16,0 (A) (E) Propane G31 kg/h 1,24 content with gas G20 9,2-9,8 Gas rate minimum content with gas G20 Natural G20 0,65 CO content with gas G20 84,0 Propane G31 kg/h...
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Page 30: Technical Data Activ A Plus 25S
TECHNICAL INFORMATION Technical data Activ A Plus 25S Heat input Central heating 25,0 Min/Max flow temperature settings* °C 25 - 85 Nominal net BTU/h 85304 Maximum pressure 27,8 Nominal gross BTU/h 94687 Minimum pressure Minimun net BTU/h 20473 Available head (in 1000 l/h) 0,23 Minimun gross BTU/h 22725... - Page 31 TECHNICAL INFORMATION Gas rate maximum Flue gas figures Natural G20 2,65 Nominal heat input 25,0 (A) (E) Propane G31 kg/h 1,94 content with gas G20 9,0 -9,8 Gas rate minimum content with gas G20 Natural G20 0,64 CO content with gas G20 238,0 Propane G31 kg/h...
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Page 32: Hydraulic Specifications
TECHNICAL INFORMATION Hydraulic specifications For greater differences, increase the pre- The hydraulic specifications represents the load pressure in the expansion vessel and pressure (available head for the central the system, when cold, by 0.1 bar for each heating system) as a function of the flow additional 1m. -
Page 33: General Requirements
GENERAL REQUIREMENTS GENERAL REQUIREMENTS Location of appliance Our Company supports the Benchmark The appliance may be installed in any room initiative. The Benchmark Log Book is or internal space, although particular atten- located at the back of this manual and tion is drawn to the requirements of the cur- should be completed by the Installing/ rent I.E.E. -
Page 34: Gas Supply
GENERAL REQUIREMENTS H From external corners discharges into an other room or space as Above ground or balcony lev- an outhouse or lean-to. It is important that el*** the position of the terminal allows a free J From a next door boundary 2500 passage of air across at all times. -
Page 35: Air Supply
GENERAL REQUIREMENTS is available both to the boiler and the other with a 75 mm seal to comply with BS 6798: appliance when they are in use at the same 2008. time. The schematic diagrams of possible con- nections are given in Fig. 5.2 and Fig. 5.3. Pipework must be of adequate size. -
Page 36: Water Circulation (C.h.)
GENERAL REQUIREMENTS to avoid freezing. Connection of condensate drainage pipe downstream of a sink waste trap Particular attention should be paid to pipes passing through ventilated spaces in roofs and under floors. Condensate drain 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... -
Page 37: Water Treatment
GENERAL REQUIREMENTS 5.10 Electrical supply turn valve, without the approval of the Local Water Authority. Warning, this appliance must earthed. Filling External wiring to the appliance must be A method for initially filling the system and carried out by a competent person and be in replacing water lost during servicing must accordance with the current I.E.E. -
Page 38: Installation
INSTALLATION INSTALLATION The electrical wiring must conform with cur- rent Regulations, in particular: Warnings • the boiler must be earthed using the cor- The use of gas appliances is rect bonding clamp; subject to statutory control; it is • a fused spur isolation switch, must be in- essential to observe the current stalled near to the boiler that allows com- regulations and laws in force... -
Page 39: Installing The Bracket
INSTALLATION cleans out the system, but also has an anti- corrosive effect by promoting formation of a protective skin on metal surfaces and neu- tralising gases present in the water. We recommend the use of a suitable uni- versal inhibitory to protect the c.h. system from corrosion. -
Page 40: Overall Dimensions
INSTALLATION Overall dimensions Joints The boiler respects the following dimen- The boiler uses the following fittings: sions: Pipe sizes Functions Ø80 Ø80 Ø80 (o.d) Gas, c.h. return, c.h. flow ø 22 Ø100 Pressure relief valve ø 15 Condensate drain ø 25 (plastic) sizes in mm o.d. -
Page 41: Fitting The Flue System
INSTALLATION The horizontal routes of the flue pipes must incline about 1.5 degrees (25 mm per me- ter); therefore the terminal must be higher than the intake at the boiler. The single coaxial pipe with the terminal must be fitted horizontal as the drainpipe is already angled with the correct incline. -
Page 42: Choice Of Flu
INSTALLATION CORRECT system for installing INCORRECT system for installing Fig. 6.6 Fig. 6.7 A = air intake A = air intake S = flue exhaust S = flue exhaust Choice of flu The flue exhaust/air intake can be installing in the mode: Refer to the sheet provided with the pre- selected kit, in separate packaging. - Page 43 Air intake less than 0.5 m, whilst the maximum with adapter the aid of extensions must not exceed 10 m for Activ A Plus 16S - Activ A Plus 25S. Restrictor Vertical flue exhaust kit with 90° bend (Fig. 6.8 B) Coaxial pipe Ø...
- Page 44 Fig. 6.11 Its maximum height with extension is 10 m for Activ A Plus 16S - Activ A Plus 25S. Bends of Ø 80 mm at 90° and at 45° are available that reduce the maximum total - 44 -...
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Page 45: Electric Connection
Extensions and elbows can be added to ex- tend the kit’s length. Maximum equivalent length “a+b” (Fig. 6.13) of 15 metres for Activ A Plus 16S - Activ A Plus 25S can be achieved utilising extensions. Each additional elbow reduces the overall... - Page 46 INSTALLATION (Fig. 6.15) and open it. Remote External Probe Electric power supply Fig. 6.15 Ambient Electric power supply connection thermostat • Connect the electric power supply ca- ble coming from the fused spur isolation switch to the power supply terminal block Fig.
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Page 47: Connecting The Room Thermostat Or Zone Valves
INSTALLATION Allow the cables to exit the boiler by using the relevant cable clamps R (Fig. 6.18). Potential clean contacts of the Ambient Thermostat Fig. 6.19 Room thermostat (230V rating) Fig. 6.18 6.10 Connecting the room thermo- Fig. 6.20 stat or zone valves Use the clamps indicated in Fig. - Page 48 INSTALLATION Connecting the zone valves controlled Connection of a remote controlled zone by the ambient thermostat valve Connecting a zone valve to the terminal of the auxiliary card and the remote control to Ambient the specific terminals it is possible to control Thermostat this zone with the same remote control.
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Page 49: 6.11 External Frost Protection
INSTALLATION 6.11 External frost protection • Connect the frost thermostat between ter- minals 1 and 2 as shown in Fig. 6.26 or Fig. 6.27. Do not connect live wires to terminals to which the frost thermostat must be con- nected. Frost Thermostat (230V rating) 12 13... -
Page 50: Connecting A System Boiler To A Cylinder
INSTALLATION 6.12 Connecting a system boiler to a cylinder Two schematic wiring diagrams are given in this section showing two possible ways to connect an external programmer to a mid- position diverter valve to provide independ- ent timed and thermostatic control of heat- ing and hot water. - Page 51 INSTALLATION Cylinder Room thermostat thermostat GRYE Electric supply Room thermostat Frostat terminal block HW ON HW OFF Programmer MAINS 230V a.c. Switched 3 Amp fused, spur Mid- position diverter valve GRYE Room thermostat Cylinder thermostat 10 way junction box MAINS 230V a.c.
- Page 52 INSTALLATION Cylinder Room thermostat thermostat GRYE Electric supply Room thermostat Frostat terminal block HW ON HW OFF MAINS Programmer 230V a.c. Switched 3 Amp fused, spur Mid--- position diverter valve GRYE Room thermostat Cylinder thermostat 10 way junction box MAINS 230V a.c.
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Page 53: Installation Of The External Temperature Probe
INSTALLATION 6.13 Installation of the external temperature probe (optional) The external probe must be installed on the external wall of the building avoiding: • Direct radiation of solar rays. Remote • Humid walls or walls subject to the forma- tion of mildew. •... -
Page 54: Example Of Hydraulic Plants With Hydraulic
INSTALLATION The route of the remote control cable must Hydraulic plant examples follow the route indicated in Fig. 6.17. Allow the cables to exit the boiler by using Top zone + low temperature zone. the relevant cable clamps R (Fig. 6.18). External probe 6.16 Example of hydraulic plants with hydraulic separator... -
Page 55: Commissioning
COMMISSIONING COMMISSIONING appliance for leaks. Warnings The commissioning of this boiler and sys- tem must only be undertaken by a Gas Safety registered engineer in accordance with the requirements of the Gas Safe In- stallation and Use Regulations and be ap- proved by Gas Safe. -
Page 56: Condensate Pipe And Traps
COMMISSIONING • Before slackening the main condensing boiler operating temperature. The system breather pipe exchanger 19 in Fig. 7.3 con- must then be immediately flushed through. nect a small draining pipe to the hose nozzle This procedure must be repeated twice more. -
Page 57: Checking The Gas Supply Pressure
Gas supply pressure table in the "Technical Data" sec- Lighting the boiler tion (pag. 28 Activ A Plus 16S, pag. 30 Activ A Plus 25S. Some products incorporate an anti cycling • Close well the pressure point 33 in Fig. 7.6. - Page 58 COMMISSIONING ing for a few seconds then switch off. After 3-4 minutes has elapsed the boiler will then re ignite and operate perfectly normally. The ignition delay cycle does not prevent normal operation of the boiler to provide d.h.w. Fig. 7.9 If external controls are fitted (e.g.
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Page 59: Enabling Functioning Of The External Temperature Probe By The Remote Control
COMMISSIONING 13 (Fig. 7.8) to reset its functioning. For the first lighting up and following mainte- nance procedures for the gas supply, it may be necessary to repeat the resetting operation several times so as to remove the air present in the pipework. -
Page 60: Setting The K Coefficient Of The External Temperature Probe
COMMISSIONING 7.10 Setting the K coefficient of the sary to set this parameter based on the effi- external temperature probe ciency of the heating plant in order to optimise The boiler is set with a K coefficient equal to the flow temperature (Fig. 7.16). zero for boiler functioning without the probe E.g. - Page 61 COMMISSIONING (increase) (Fig. 7.17). C.h. flow temperature °C Fig. 7.19 • Using keys 15 or 16 it is possible to change + 15 °C the value of parameter 15 from a minimum of 01 to a maximum of 60 based on the se- K = 1,5 lected bend of the K coefficient in Fig.
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Page 62: Setting The Pump Post-Circulation
COMMISSIONING Fig. 7.23 12 13 It is possible to change the value using but- Fig. 7.24 tons Press button to exit from mode (Fig. 7.23). 7.11 Setting the pump post-circula- tion Fig. 7.25 The pump, in heating function, is set for a post-circulation of about one minute at the end •... - Page 63 COMMISSIONING Fig. 7.29 • Press buttons to display the "PM11" program of the pump post-circula- Fig. 7.27 tion (Fig. 7.30). • By pressing key 12 (Fig. 7.24) confirmation of the inserted value is obtained. • Press keys 15 or 16 (Fig. 7.24) to exit with- out changing the value.
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Page 64: Selecting The Reignition Frequency
COMMISSIONING 7.12 Selecting the reignition fre- quency When the boiler functions in normal on/off heating mode, the minimum time between two ignitions is set at three minutes (re-ignition fre- quency). Fig. 7.34 This time can be changed by a minimum of zero to a maximum of eight and a half minutes •... -
Page 65: 7.13 Checking The Ignition Device
COMMISSIONING minutes. Each step increased or decreased corre- sponds to 2 seconds. • To modify the programmed SET, act on but- tons and wait for the number programmed to flash (Fig. 7.39). Fig. 7.36 • Press buttons at the same time to enter transparent programming (Fig. -
Page 66: 7.14 Checking The Flue System
Explain the proper use and adjustment of all Activ A Plus 16S system controls; this will ensure the greatest possible fuel economy. Explain the function and use of the function selector. -
Page 67: 7.18 Setting Record
Gas type P 05 the LCD display and the value of the param- Not used P 06 --------------- eter (100=Activ A Plus 16S and Activ A Plus C.h. flow max tem- 25S), indicating that ”parameter 12” (Fig. P 07 perature °C 7.44) has been activated. - Page 68 LCD display and the • Exiting the “programming mode” is auto- value of the parameter (40=Activ A Plus 16S matic, after 15 minutes, or by cutting power. or 41=Activ A Plus 25S), indicating that ”pa- rameter 01”...
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Page 69: Gas Conversion
(Fig. 8.2), refer- Warnings ring to the "Technical Data" section page The commissioning of this boiler and 28 (Activ A Plus 16S), page 30 (Activ A system must only be undertaken by a Plus 25S). Gas Safety Registered Engineer, quali-... - Page 70 GAS CONVERSION • Exiting the “programming mode” is au- tomatic, after 15 minutes, or by cutting power. • Calibrate the gas valve according to the instructions given in the Service manual, section Gas valve - Adjustment. • Reposition the controls panel and remount the front panel of the body.
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Page 71: Maintenance
MAINTENANCE MAINTENANCE Warnings The procedures detailed in this chapter must be carried out only by a Gas Safety Reg- istered Engineer. Thus you are advised to contact an Authorised Service Agent. For Ireland (IE), the servicing work must be carried out by a competent Person. For efficient and continuous operation of the 12 13 boiler you are advised to have, at least once... -
Page 72: Dismantling The External Panels
MAINTENANCE panel D by pulling it and pushing it towards the top so that it is freed from the top hous- ings (Fig. 9.6). Side panels Loosen screws "B - F" and "C - H" in Fig. 9.6 and remove the two side panels E and G by pulling towards the outside. -
Page 73: Reassembly The External Panels
MAINTENANCE Control panel Turn the controls panel I, as shown in figure Fig. 9.7, to access in an optimal manner the components inside the boiler. Fig. 9.7 Fig. 9.8 Reassembly the external panels Emptying the c.h. system Side panels Fit the external panels E and G in the reverse •... -
Page 74: Cleaning The Condensing Primary Exchanger
MAINTENANCE • Loosen the central heating drain cock 7 indi- cated in Fig. 9.10. CLOSED Main circuit drain valve OPEN Fig. 9.10 • To make draining easier, lift the plug 29 of the automatic relief valve in Fig. 9.11. • A small quantity of water will remain in the d.h.w. -
Page 75: Check The Pressure Of The Heating Expansion Vessel
MAINTENANCE it is compulsory to substitute it every 2 years. The burner does not require any particular maintenance, just remove dust using a bristle brush. More specific maintenance will be valuated and carried out by an Authorised Assistance Centre Technician. Attention, to reassemble repeat the operations carried out in re- verse order. -
Page 76: Checking The Condensate Drain Pipe
• That the condensate drain piping is not following. clogged. Model Activ A Plus 16S Unscrew the plug to clean inside the pipe. Nominal heat input 16,0 (A) (E) Nominal efficency... -
Page 77: 9.11 Visual Inspection Of Appliance
MAINTENANCE 9.11 Visual inspection of appliance Visually inspect all water joints, seals and connections for any evidence of leakage and retighten, grease or replace them as neces- sary. 9.12 Checking the gas supply pres- sure Check appliance for gas tightness. Recheck operational pressures as described 12 13 in section "Checking the gas supply pressure"... - Page 78 MAINTENANCE Chimney sweep function at minimum out- put in heating mode • By pressing 16 (Fig. 9.19) it is possible to change power in chimney sweep mode: with the letters hP on the LCD display which al- ternate between the heated water tempera- ture (i.e.32), we are in the “chimney sweep function”...
- Page 79 MAINTENANCE Winter Fig. 9.25 - 79 -...
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Page 80: Gas Boiler Commissioning Checklist
BENCHMARK No. 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 & TEMPERATURE CONTROL TO HEATING ROOM T/STAT & PROGRAMMER/TIMER PROGRAMMABLE ROOMSTAT TIME &... -
Page 81: Service Interval Record
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. - Page 82 NOTES - 82 -...
- Page 84 *1796221020* 17962.2102.0 2811 84A5 Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel. 01922 714600 Tech. Service Tel. 01922 714636 www.biasi.co.uk...
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