Related Manuals for Biasi M96A.24SM/B
Summary of Contents for Biasi M96A.24SM/B
- Page 1 Wall hung, fan flue, room sealed, high efficiency gas boiler User manual and Installation instructions GARDA HE MK2 Models M96A.24SM/B Combi boiler M96A.28SM/B Combi boiler...
- Page 2 Congratulations on your choice. GARDA HE MK2 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.
- Page 3 --- can be used only for those purposes for bestos, mercury or C.F.C.’s. The appliance packaging does not contain any which it has been specially designed; substances, which may be considered a hazard to --- must not be touched by children or by health.
- Page 4 You are strongly advised to flush out the instruction manuals thoroughly and then if system both cold and hot in order to remove necessary contact Biasi UK for advice and system and installation debris. assistance. Please remember that if you are in any doubt about the installation of this product you can contact our...
-
Page 5: Table Of Contents
TABLE OF CONTENTS Appliance description ..2.2 Refilling procedure ....1.1 Overview ..... . 2.3 Ignition . -
Page 6: Appliance Description
APPLIANCE DESCRIPTION Overview 10 Appliance operation lights Isolation valves Fig. 1.2 (bottom view of the boiler) Fig. 1.1 11 Condensate drain pipe 12 C.h. return valve 1 Case front panel 13 D.c.w. inlet valve 2 Control panel 14 Gas inlet valve 3 Control panel cover 15 D.h.w. -
Page 7: Operation Lights
Appliance description Operation lights Three lights (10 in Fig. 1.3) give detailed indication regarding the operation of the boiler. Faulty c.h. temperature probe NTC The following table gives the relationship between each of the possible light combinations and their Faulty d.h.w temperature meaning. -
Page 8: Instructions For Use
INSTRUCTIONS FOR USE Warnings Refilling procedure 1 Isolate the boiler from the electrical supply at Our Company supports the Benchmark in- the fused spur. Reconnect the filling loop as itiative. The Benchmark Log Book is lo- demonstrated in Fig. 2.1. cated at the back of this manual and should be completed by the Installing/Commiss- sioning Engineer and handed over to the... -
Page 9: Ignition
Instructions for use Ignition C.h. circuit temperature 1 Check that the valves located in the lower part The output temperature of c.h. water is adjustable of the boiler are open (Fig. 2.3). from a minimum of about 40°C to a maximum of about 85°C (Fig. -
Page 10: Temperature
Instructions for use Your qualified installer will be able to recommend (Fig. 2.9), minimises annoying incidences of scale the most suitable adjustment for your system. deposits and clogging. The temperature and pressure gauge (4, Fig. 1.3 on page 2) will allow you to check that the set tem- perature is obtained. -
Page 11: Built In Time Switch A
Instructions for use 3 Empty the water circuits, if necessary, as Setting the current time shown in section General access and emptying Note: with a new unit or when the reset button B hydraulic circuits in the service manual. has been pressed and the selector switch A is to position, the time display G is flashing. - Page 12 Instructions for use 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 set the mode selector switch A to the TIMER posi- Fig.
-
Page 13: Built In Time Switch B
Instructions for use Built in time switch B Setting the switching time 28 memory locations are available, corresponding The combi boilers are equipped with a built in elec- to 14 on--- off sequences. tronic time switch which controls the c.h. oper- Press repeatedly the button A until the display ation. - Page 14 Instructions for use Press repeatedly the button A until the display To force a timed delay on or off operation, press shows the symbol C1 (Fig. 2.21) repeatedly the button A until the display shows the symbol TIMER. The symbols shown in Fig. 2.21 appears in the display.
-
Page 15: Useful Advice
USEFUL ADVICE Central heating During the service, the most important compo- nents of the boiler will be inspected and cleaned. For reasonably economical service install a room This service can be part of a maintenance con- thermostat. tract. Never shut off the radiator in the area where the In particular, you are advised to have the following room thermostat is installed. - Page 16 Useful advice electrical mains, using the fused spur isolation some of the water in the appliance through the switch fitted adjacent to the appliance. bleed valves present in the radiators. Safety lock--- out may occour even in case of an If in time, a reduction in domestic hot water blockage of the condensate drainage (e.g.
-
Page 17: Technical Information
TECHNICAL INFORMATION Overview 14 Gas inlet valve 15 D.h.w. outlet pipe 16 C.h. flow valve 17 Fan 18 Air pressure sensor test points 19 Air pressure sensor 20 Flue temperature probe NTC 21 Condensing heat exchanger 22 Safety thermostat 23 C.h. temperature probe NTC 24 Main circuit drain valve 25 Condensate trap 26 Automatic air purger valve... -
Page 18: Main Diagram
Technical information Main diagram Fig. 4.2... -
Page 19: Hydraulic Specifications
Technical information Hydraulic specifications Expansion vessel kPa bar 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 10m at most. For greater differences, increase the pre--- load pressure in the expansion vessel (44 on page 13) and the system, when cold, by 0.1 bar for each... -
Page 20: Technical Data Mod. M96A.24Sm
Technical information Technical data Domestic hot water mod. M96A.24SM/... Maximum temperature ˚C Minimum temperature ˚C Heat input Maximum pressure 1 000 Nominal 25,0 BTU/h 85 295 Minimum pressure Minimum 11,0 BTU/h 37 530 Flow rate minimum l/min Useful output 30˚ rise l/min 11,6 Maximum... - Page 21 Technical information Gas pressures at the burner Flue design Natural Butane Propane Type C12 C32 C42 C52 C82 Flue pipe diameter Max. 1130 2810 3610 Coaxial 60/100 mbar 11,3 28,1 36,1 Twin split pipes Min. Roof 80/125 mbar Nominal heat flow rate 25,0 Ignition 2110...
-
Page 22: Technical Data Mod. M96A.28Sm
Technical information Technical data mod. Domestic hot water M96A.28SM/... Maximum temperature ˚C Minimum temperature ˚C Heat input Maximum pressure 1 000 Nominal 29,0 BTU/h 98 942 Minimum pressure Minimum 13,0 BTU/h 44 353 Flow rate minimum l/min Useful output 30˚ rise l/min 13,6 Maximum... - Page 23 Technical information Gas pressures at the burner Flue design Natural Butane Propane Type C12 C32 C42 C52 C82 Flue pipe diameter Max. 1130 2810 3600 Coaxial 60/100 mbar 11,3 28,1 36,0 Twin split pipes Min. Roof 80/125 mbar Nominal heat flow rate 29,0 Ignition 2110...
-
Page 24: General Requirements
GENERAL REQUIREMENTS Our Company supports the Benchmark initiat- For Ireland (IE), reference should be made to the ive. The Benchmark Log Book is located at the current edition of I.S.813.2002 and the current back of this manual and should be completed ETCI rules for electrical installations. -
Page 25: Gas Supply
General requirements The minimum acceptable spacing from the ter- Pipework must be of adequate size. Pipes of a minal to obstructions and ventilation openings are smaller size than the boiler inlet connection should specified in Fig. 5.1. not be used. Installation pipes should be fitted in accordance with BS 6891 and the complete installation should be tested for tightness. -
Page 26: Water Circulation (C.h.)
General requirements Water circulation (c.h.) If a part of the drainpipe runs externally this part should be kept as short as possible and protected Detailed recommendations are given in BS 6798 to reduce the risk of freezing. and BS 5449; the following notes are given for general guidance. -
Page 27: Domestic Water
General requirements Expansion vessel The installer should ensure that no leaks exist either inside the boiler or on the system as fre- The appliance has an integral sealed expansion quent filling of the system could cause premature vessel to accommodate the increase of water vol- scaling of the heat exchanger. - Page 28 General requirements appliance by the use of a fused spur isolation a bathroom this must then be sited outside the switch. Its installation permits a complete switch- bathroom. ing off in the conditions of the overvoltage cat- egory III. Alternatively it can be used a 3A fused three pin plug and unswitched shuttered socket outlet both complying with BS 1363.
-
Page 29: Installation
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. -
Page 30: Overall Dimensions
Installation Overall dimensions Joints Functions Pipe sizes (o.d) ø80 ø80 Gas, c.h. return, c.h. flow ø 22 A, B and C D.c.w. inlet ø 15 ø100 D.h.w. outlet ø 15 Pressure relief valve ø 15 Condensate drain ø 25 (plastic) Tab. -
Page 31: Fitting The Flue System
Installation Fig. 6.5 Choice of flue The following flue kits are available for connecting to the boiler: Fig. 6.4 Standard horizontal flue kit (Fig. 6.6A) Co--- axial 60/100mm --- nominal length 1m Fitting the flue system This kit is normally supplied with the boiler and can Refer to the assembly instructions contained with- be fitted to allow discharge to the rear or either in the chosen flue kit packaging for the correct as-... - Page 32 Installation Elbows 45˚ & 90˚ (Fig. 6.6C) If either an additional 45˚ or 90˚ accessory elbow is used then the maximum permissible length of Co--- axial 60/100mm. either pipe must be reduced by 0.90 m or 1,65 m Elbow kits enable the standard flue kits to be offset respectively.
- Page 33 Installation This kit allows vertical termination of the flue pipe Air intake adapter 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 Restrictor overall maximum permissible length.
-
Page 34: Electrical Connections
Installation 3 Loosen the screws K. ”a” vertical length (m) 4 Remove the side panels or move the lower part of the side panels as indicated in Fig. 6.14 and pull the control panel. When completely pulled out, the panel can ro- tate 45˚... -
Page 35: External Frost Protection
Installation wire). External 3 A fuse or fused plug with same 9 Route the electrical supply flexible cord and current rating is recommended. the external control flexible cord as illustrated Do not connect live wires to terminals to in Fig. 6.18. which the room thermostat must be con- Lock the flexible cords in place with the flexible nected. -
Page 36: Commissioning
COMMISSIONING Filling the d.h.w. system WARNING The commissioning of this boiler and system 1 Close all hot water draw--- off taps. must only be undertaken by a professionally qualified person in accordance with the re- 2 Open the cold water inlet valve 13 (Fig. 7.1). quirements of the Gas Safety Installation and 3 Slowly open each draw--- off tap and close it Regulations... -
Page 37: Condensate Pipe And Traps
Commissioning 11 Cold flush the system to remove any loose par- The appliance operation light 10 will flash ticles and any system debris before starting the every 4 seconds. boiler for the first time 2 Turn the function selector 8 as in Fig. 7.3. The appliance operation light 10 will flash every 2 The flushing procedure must be in line with seconds. -
Page 38: Checking The Burner Ignition
Commissioning 5 Check the maximum gas pressure and com- technical data (sections 4.5 or 4.6) then adjust- pare the value on the gauge with the value indi- ment will be necessary. A full explanation of the cated in the sections 4.5 or 4.6 (gas pressures gas pressure adjustment procedure is given in the Gas Valve section of the service manual. -
Page 39: Checking The Ignition Device
Commissioning 7 If the ignition pressure recorded is not as indi- Verify the cleanness and correct filling of the con- cated in the Technical Data then refer to section densate traps. “Ignition gas pressure adjustment” of the Ser- vice Manual for the necessary adjustment pro- 7.12 Instructing the user cedures. -
Page 40: Gas Conversion
GAS CONVERSION Warnings 8 Turn the boiler OFF positioning the function se- lector 8 as indicated in Fig. 8.2. The commissioning of this boiler and sys- tem must only be undertaken by a pro- fessionally qualified person in accordance with the requirements of the Gas Safety In- stallation and Use Regulations and be ap- proved by C.O.R.G.I. - Page 41 Gas conversion more than 5 seconds. The lamps 10 will flash a 15 Open the gas cock (14 in Fig. 8.7) number of times corresponding to the setting of the knob 9 in Fig. 8.5 Gas type L.P .G. Setting No. NATURAL Open position Fig.
-
Page 42: Maintenance
MAINTENANCE Warnings 3 Loosen the screws B. Bring the bottom of the panels away from the boiler and lift them, free- The procedures detailed in this chapter must ing them from the top hooks (Fig. 9.2). be carried out only by a professionally qualified person. -
Page 43: Combustion Analysis Check
Maintenance d.h.w. heat exchanger must be removed and If the pressure is lower, take steps to correct the inverted to drain fully or an antifreeze solution pressure level. added. Cleaning the burner The sloping and multi--- gas type burner (40 on page 13) does not need special maintenance, but it is sufficient to dust it with a bristle paintbrush. - Page 48 *1796215780* 17962.1578.0 4908 48A5 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...