Biasi GARDA HE SYSTEM M96.28SR/P User Manual And Installation Instructions
Wall hung, fan flue, room sealed, high efficiency gas boiler
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Summary of Contents for Biasi GARDA HE SYSTEM M96.28SR/P
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Page 1: Installation Instructions
Wall hung, fan flue, room sealed, high efficiency gas boiler User manual and Installation instructions GARDA HE SYSTEM Models M96.28SR/P M96.32SR/P... -
Page 2: Using The Boiler
Congratulations on your choice. PARVA HE 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 Known hazards --- Some people can suffer red- dening and itching of the skin. Fibre entry into the which it has been specially designed; eye will cause foreign body irritation, which can --- must not be touched by children or by cause severe irritation to people wearing contact those unfamiliar with its operation;...
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Page 4: Installing The Boiler
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 ..2.4 C.h. circuit temperature ..1.1 Overview ..... . 2.5 Extinguishing . -
Page 6: Appliance Description
APPLIANCE DESCRIPTION Overview The service knob 8 is useless for the normal oper- ation of the boiler. It must be used only by a qualified person during commissioning and servicing. Isolation valves Fig. 1.1 1 Case front panel Fig. 1.2 (bottom view of the boiler) 2 Control panel 10 Condensate drain pipe 3 Control panel cover... -
Page 7: Operation Lights
Appliance description Operation lights Lamp OFF Three lights (9 in Fig. 1.3) give detailed indication regarding the operation of the boiler. Lamp ON The following table gives the relationship between Flashing lamp, alone or simultaneously each of the possible light combinations and their with an other lamp. -
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 Such adjustments must be carried out by a quali- fied person; therefore we advise you to contact 1 Check that the valves located in the lower part your installer or Service Agent. of the boiler are open (Fig. 2.3). Adjustment of the boiler temperature alters the gas flow at the burner according to the thermal de- mand in the system. -
Page 10: Extinguishing
Instructions for use Extinguishing 3 Empty the water circuit, if necessary, as shown in the installation instructions in the section maintenance. Fig. 2.7 When you do not expect to use the boiler for a long period: Closed position 1 Switch off the electricity supply to the boiler, by means of the fused spur isolation switch;... -
Page 11: Useful Advice
USEFUL ADVICE Central heating --- primary heat exchanger; --- burner; For reasonably economical service install a room --- exhaust fume duct and flue; thermostat. --- filling up of the central heating circuit; Never shut off the radiator in the area where the --- bleeding of air from the central heating system;... - Page 12 Useful advice If the pressure on the temperature and pres- some of the water in the appliance through the sure gauge (4 on page 2) has gone down... bleed valves present in the radiators. it is necessary to top up the appliance with water If water should occasionally leak from the again, so as to raise the pressure to an adequate boiler...
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Page 13: Technical Information
TECHNICAL INFORMATION Overview 10 Condensate drain pipe 11 C.h. return valve 12 Gas inlet valve 13 C.h. flow valve 14 Condensate trap 15 Main circuit drain valve 16 Automatic air purger valve 17 Pump 18 Pump vent plug 19 Modulation gas valve 20 Primary circuit flow switch 21 C.h. -
Page 14: Main Diagram
Technical information Main diagram Fig. 4.2... -
Page 15: Hydraulic Specifications
Technical information Hydraulic specifications tem component cocks, the by--- pass valve ensur- es a minimum flow of water through the primary heat exchanger. kPa bar 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. -
Page 16: Technical Data Mod. M96.28Sr
Technical information Technical data mod. Central heating M96.28SR/... Maximum flow temp. ûC Minimum flow temp. ûC Heat input Minimum return temp. ûC Nominal 29,0 Maximum pressure BTU/h 98 942 Minimum 13,0 Minimum pressure BTU/h 44 353 Available head Useful output G20 (in 1000 l/h) 0,25 Maximum... - Page 17 Technical information Gas rate Flue gas figures (A)(C) Natural Butane Propane Nominal heat input 29,0 content kg/h kg/h content 10,7 Max. 3,07 2,29 2,25 CO content Min. 1,28 1,03 1,01 Exhaust temperature ûC Injectors Other specifications Natural G20 Height Butane G30 Width Propane G31 Depth...
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Page 18: Technical Data Mod. M96.32Sr
Technical information Technical data mod. Central heating M96.32SR/... Maximum flow temp. ûC Minimum flow temp. ûC Heat input Minimum return temp. ûC Nominal 33,3 Maximum pressure BTU/h 113 624 Minimum 15,7 Minimum pressure BTU/h 53 570 Available head Useful output G20 (in 1000 l/h) 0,25 Maximum... - Page 19 Technical information Gas rate Flue gas figures (A)(C) Natural Butane Propane Nominal heat input 33,3 content kg/h kg/h content Max. 3,53 2,63 2,59 CO content Min. 1,59 1,19 1,17 Exhaust temperature ûC Injectors Other specifications Natural G20 Height Butane G30 Width Propane G31 Depth...
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Page 20: 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 21: Gas Supply
General requirements The minimum acceptable spacing from the ter- available both to the boiler and the other minal to obstructions and ventilation openings are appliance when they are in use at the same time. specified in Fig. 5.1. Pipework must be of adequate size. Pipes of a smaller size than the boiler inlet connection should not be used. -
Page 22: Water Circulation (C.h.)
General requirements --- the drainpipe should be adequately fixed to If you are installing a system that includes thermo- pevent pipe sagging. static radiator valves (TRV) and/or small bore (8--- 10 mm) it may be necessary to fit an external If a part of the drainpipe runs externally this part by--- pass to facilitate correct operation of the should be kept as short as possible and protected... -
Page 23: Water Treatment
General requirements Water treatment with the current I.E.E. Regulations and any local regulations which apply. Central heating circuit Reference should be made tu the current ETCI rules for electrical installations. Where a new boiler is fitted to a new system with either plastic or copper pipes, it is important the For Ireland (IE), refer to I.S.813.2002. -
Page 24: 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 25: Overall Dimensions
Installation Overall dimensions Mounting the boiler 1 Take the protective caps off the boiler pipe- work. ø80 ø80 A, B and C 2 Thoroughly clean the connections. 3 Mount the boiler on its bracket. ø100 4 Fix the c.h. valves A and gas cock B (¾”) to the boiler using the ¾”... -
Page 26: Fitting The Flue System
Installation If one or more extensions have to be used they must be adequately supported so that there is no sag in the flue pipe and a minimum fall of 1,5 deg. (25 mm per metre) over the whole length towards the boiler is ensured. - Page 27 Installation the overall acceptable length of the flue system as follows: 45û reduce length by 0,5 m. 90û reduce length by 1 m. Min = 0,3 m 90û=--- 1,65 m Max = 2,7 m ø 60/100 Only for M96.32SR/... Min = 0,3 m Max = 1,8 m 45û=--- 0,90 m Fig.
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Page 28: Electrical Connections
Installation Electrical connections For M96.32SR/... Equivalent length Restrictor Connection to the electricity supply (air duct + flue duct) 1 Remove the front panel of the case (see the section 9.2 in this manual). Between 1 and 24 m ø 50 mm 2 Remove the screws F and G (Fig. - Page 29 Installation tate 45û downwards to facilitate the operations on the internal parts. Fig. 6.12 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...
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Page 30: External Frost Protection
Installation To fused spur isolation switch Power supply terminal block To the external control device To the fused spur isolation switch External controls terminal block Fig. 6.13 8 Connect the room thermostat between ter- Fig. 6.15 minals 1 and 3 as shown in Fig. 6.14. Do not connect live wires to terminals to which the room thermostat must be con- 6.10... - Page 31 Installation minal of the junction box where the component controlled by switching the mains supply. must be connected to. In this case, when the boiler is switched off some The lower part shows how to realize a system that important features like the antifreeze system, the provides independent timed and thermostatic monitoring of the boiler by the operation lights, the control of heating and hot water.
- Page 32 Installation Cylinder Room thermostat thermostat GRYE External control terminal block HW ON HW OFF Programmer MAINS 230V a.c. Power supply Switched 3 Amp fused, spur Mid--- position diverter valve GRYE Room thermostat Cylinder thermostat remove room 10 way thermostat link junction box MAINS 230V a.c.
- Page 33 Installation Cylinder Room thermostat thermostat GRYE HW ON HW OFF MAINS Programmer 230V a.c. Power supply Switched 3 Amp fused, spur Mid--- position diverter valve GRYE Room thermostat Cylinder thermostat Do not remove room 10 way thermostat link junction box MAINS 230V a.c.
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Page 34: Commissioning
COMMISSIONING Initial filling of the system WARNING The commissioning of this boiler and system 1 Open the c.h. flow and return valves. must only be undertaken by a professionally qualified person in accordance with the re- 2 Remove the front panel of the case (see the quirements of the Gas Safety Installation and section 9.2 in this manual. -
Page 35: Condensate Pipe And Traps
Commissioning This procedure must be repeated twice more. During this operation we highly recommend the use of a c.h. flushing detergent in 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... -
Page 36: Checking The Burner Ignition
Commissioning fitted (e. g. Timeclock, room thermostat) en- If the maximum and minimum gas pressures sure they ”call for heat”. measured above are not in accordance with the technical data (sections 4.5 or 4.6) then adjust- 4 Switch on the boiler. ment will be necessary. -
Page 37: Adjustment Of Useful C.h. Output
Commissioning --- that the burner and injectors are clean. Where: Lamp OFF --- that the boiler is set for the correct gas used Lamp ON (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 Fig. - Page 38 Commissioning Butane (G30) Fig. 7.10 (useful c.h. output adjustment mode). Where: Lamp OFF Lamp ON Fig. 7.10 13 Turn the knob 8 to the minimum (fully counter- clockwise) and then on the position correspon- ding to the position obtained on step 8. By turning the knob 8, the lock--- out signal 5 7 9 11 13 15 17 19 21 23 25 27 29 lamp 5 blinks quickly (2 per second) indicating...
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Page 39: Checking The Ignition Device
Commissioning Checking the ignition device 7.12 Instructing the user With the burner on high flame close the gas cock. Hand over this combined User & Installation man- ual and the Service manual to the end user and ex- After three ignition attempts (within about three plain how to use the unit. -
Page 40: Gas Conversion
GAS CONVERSION Warnings 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. Components used to adapt it to the type of gas available must be genuine parts only. - Page 41 Gas conversion 16 To reset the boiler to the normal operation turn Position of Approx. Max current it ON by the function selector 7 on the desired supply knob 8 through the modulator operation and checking the ignition pressure device and that the burner lights up uniformly.
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Page 42: Maintenance
MAINTENANCE Warnings 3 Loosen the screws B. Bring the bottom of the The procedures detailed in this chapter must panels away from the boiler and lift them, free- be carried out only by a professionally ing them from the top hooks (Fig. 9.2). qualified person. -
Page 43: Checking The Pressurisation In The Expansion Vessel
Maintenance 2 Take off the removable front of the air--- tight 3 Brush out the burner with a bristle paintbrush. chamber and the front panel of the combustion chamber. Checking the flue If you notice dirt on the fins of the primary heat ex- Have the integrity of the flue outlet pipe (40 on changer (26 on page 9): page 9) air intake pipe (41 on page 9), checked... - Page 48 *1796214040* 17962.1404.0 1607 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...
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