Biasi RIVA COMPACT HE M96.24SM/C User Manual And Installation Instructions
Wall hung, fan flue, room sealed, high efficiency gas boiler
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- User manual and installation instructiions (48 pages) ,
- Service manual (44 pages)
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Summary of Contents for Biasi RIVA COMPACT HE M96.24SM/C
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Page 1: Installation Instructions
Wall hung, fan flue, room sealed, high efficiency gas boiler User manual and Installation instructions RIVA COMPACT HE Models M96.24SM/C M96.28SM/C M96.28SR/C This product has an energy rating B on a scale of A to G For more information see www.boilers.org.uk This is a certification mark... -
Page 2: Using The Boiler
Congratulations on your choice. RIVA COMPACT 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 Thermostat / Temperature gauge Biasi products are manufactured in accordance Description --- Sealed phial and capillary contain- with ISO 9000 and do not, and will not, contain any ing liquid.
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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 D.h.w. -
Page 6: Appliance Description
APPLIANCE DESCRIPTION Overview 9 D.h.w. temperature control knob * 10 Appliance operation lights Isolation valves Fig. 1.2 (bottom view of the boiler) Fig. 1.1 11 Condensate drain pipe 1 Case front panel 12 C.h. return valve 2 Control panel 13 D.c.w. inlet valve * 3 Control panel cover 14 Gas inlet valve 15 D.h.w. -
Page 7: Operation Lights
Appliance description Operation lights Three lights (10 in Fig. 1.3) give detailed indication Lamp OFF regarding the operation of the boiler. The following table gives the relationship between Lamp ON each of the possible light combinations and their meaning. Flashing lamp, alone or simultaneously with an other lamp. -
Page 8: Instructions For Use
INSTRUCTIONS FOR USE Warnings Refilling procedure 1 Isolate the boiler from the electrical supply at Biasi UK Ltd support the Benchmark initiat- the fused spur. Reconnect the filling loop as ive. Within the information pack, you will demonstrated in Fig. 2.1. -
Page 9: Ignition
Instructions for use Ignition 1 Check that the valves located in the lower part of the boiler are open (Fig. 2.3). Fig. 2.6 C.h. circuit temperature Open position The output temperature of c.h. water is adjustable Fig. 2.3 from a minimum of about 38°C to a maximum of about 85°C (Fig. -
Page 10: Temperature (Combi)
Instructions for use Adjustment The adjustment system integrated within the boiler automatically controls the flow of gas to the In order to achieve optimal settings for economy burner in order to keep the temperature of d.h.w. and comfort, we recommend adjusting the oper- delivered constant, between the limits of maxi- ating temperature of the c.h. -
Page 11: Built In Time Switch
Instructions for use Built in time switch (combi) The appliance operation light 10 will flash every 4 seconds. The combi boilers are equipped with a built in elec- tronic time switch (5, Fig. 1.3 on page 2) which controls the c.h. operation. Fig. - Page 12 Instructions for use Fig. 2.18 Fig. 2.15 Note: when the mode selector switch A is in the AUTO position and the boiler is switched off at the Setting the switching time fused spur isolation switch, the display H indicates 20 memory locations are available, corresponding only the OFF state.
- Page 13 Instructions for use 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. 2.19 appears in the display and then set the mode se- lector switch A to the AUTO position Fig.
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Page 14: Useful Advice
USEFUL ADVICE Central heating --- general check of the appliance’s operation. For reasonably economical service install a room External cleaning thermostat. Before carrying out any cleaning, disconnect the Never shut off the radiator in the area where the appliance from the electrical mains, using the room thermostat is installed. - Page 15 Useful advice If the pressure on the temperature and pres- If water should occasionally leak from the sure gauge (4 on page 2) has gone down... boiler... it is necessary to top up the appliance with water shut off the valves positioned under the boiler again, so as to raise the pressure to an adequate (Fig.
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Page 16: Technical Information
TECHNICAL INFORMATION Overview 15 D.h.w. outlet pipe 16 C.h. flow valve 17 Condensate trap 18 Main circuit drain valve 19 Automatic air purger valve 20 Pump 21 Pump vent plug 22 Modulation gas valve 23 D.h.w. temperature probe NTC 24 Primary circuit flow switch 25 C.h. -
Page 17: Main Diagram (Combi)
Technical information Main diagram (combi) Fig. 4.2... -
Page 18: Main Diagram (C.h. Only)
Technical information Main diagram (c.h. only) Fig. 4.3... -
Page 19: 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 20: Technical Data M96.24Sm
Technical information Technical data Central heating mod. M96.24SM/... Maximum flow temp. ° C Minimum flow temp. ° C Heat input Minimum return temp. ° C Nominal 25,0 Maximum pressure BTU/h 85 295 Minimum 11,0 Minimum pressure BTU/h 37 530 Available head Useful output G20 (in 1000 l/h) 0,25... - Page 21 Technical information Gas pressures at the burner Flue design Natural Butane Propane Flue pipe diameter Coaxial 60/100 Max. 1080 2800 3550 Twin split pipes mbar 10,8 28,0 35,5 Roof 80/125 Min. Nominal heat flow rate 25,0 mbar (A)(D) Ignition 1200 1300 Exhaust temperature °...
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Page 22: M96.28Sm
Technical information Technical data mod. Central heating M96.28SM/... M96.28SR/... Maximum flow temp. ° C Minimum flow temp. ° C Heat input Minimum return temp. ° C 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) - Page 23 Technical information Gas pressures at the burner Flue design Natural Butane Propane Flue pipe diameter Coaxial 60/100 Max. 1000 2800 3600 Twin split pipes mbar 10,0 28,0 36,0 Roof 80/125 Min. Nominal heat flow rate 29,0 mbar (A)(D) Ignition 1200 1300 Exhaust temperature °...
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Page 24: General Requirements
GENERAL REQUIREMENTS Flue system Biasi UK Ltd support the Benchmark initiative. Within the information pack, you will find a The provision for satisfactory flue termination must Benchmark Log Book. It is very important that be made as described in BS 5440 part 1. -
Page 25: Gas Supply
General requirements The boiler includes a trap (17 on page 12) that pre- Vertically from a terminal in the same wall 1 500 Horizontally from a terminal in the same wall 300 vents the combustion products entering the drain, Table follows in next page however an additional trap with a seal of at least 75 Above the roof pitch with roof slope less mm and an air break between the traps is required... -
Page 26: Domestic Water
General requirements Except where providing useful heat, pipes should mini expansion vessel installed on the domestic be insulated to prevent heat loss and to avoid circuit. freezing. These devices will protect the boiler and the do- Particular attention should be paid to pipes pas- mestic system from damage due to excessive do- sing through ventilated spaces in roofs and under mestic water pressure. -
Page 27: Electrical Supply
General requirements Details on flushing procedure are given in the sec- with the current I.E.E. Regulations and any local tion 7.4 of this manual. regulations which apply. The boiler is supplied for connection to a 230 V~ Domestic hot water circuit (scale protection) 50 Hz supply. -
Page 28: 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 29: Overall Dimensions
Installation Joints 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 Functions Pipe sizes (o.d) using appropriate fixings suitable for the type of Gas, c.h. return, c.h. flow ø... -
Page 30: Fitting The Flue System
Installation 8 Connect the pipe H (Fig. 6.4) from the pres- This kit is normally supplied with the boiler and can sure relief valve to the safety discharge pipe- be fitted to allow discharge to the rear or either work. side of the boiler via the flanged boiler adapter elbow. -
Page 31: Electrical Connections
Installation gasses. Consequently it is possible to extend the This kit allows vertical termination of the flue pipe flue system to a greater distance than that pro- through the roof. The kit is 1.2 m in length. Exten- vided by the standard horizontal co--- axial flue. sion pieces (Co--- axial) are also available which al- lows the flue system to be extended to a total If either an additional 45°... - Page 32 Installation Fig. 6.11 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 Fig. 6.9 6 Connect the electrical supply flexible cord 4 Remove the side panels or move the lower part coming from the fused spur isolation switch to of the side panels as indicated in Fig.
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Page 33: 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. 6.12 8 Connect the room thermostat between ter- Fig. 6.14 minals 1 and 3 as shown in Fig. 6.13. Do not connect live wires to terminals to which the room thermostat must be con- 6.10... - Page 34 Installation Room thermostat Relay Power supply Programmer Cylinder terminal block MAINS thermostat 230V a.c. Switched 3 Amp fused, spur Remove room thermostat link Valve colour key M96.28SR/... External control BR --- Brown terminal block BL --- Blue Mid--- position GR --- Grey diverter valve OR --- Orange Fig.
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Page 35: Commissioning
COMMISSIONING Ensure that the Benchmark logbook is satis- 4 Gradually open stopcock at the filling point factorily completed during the commissioning connection to the c.h. system until water is process. heard to flow; do not open fully. Electrical installation Preliminary electrical system checks to ensure electrical safety shall be carried out by a compet- ent person. -
Page 36: Condensate Pipe And Traps
Commissioning 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. Condensate pipe and traps The full length of the condensate pipe should be check for leaks. -
Page 37: Adjusting The Burner Ignition
Commissioning at the burner), accordingly with the model of gas pressure adjustment procedure is given in boiler installed. the Gas Valve section of the service manual. If maximum and/or minimum gas pressures are 6 Check the maximum gas flow at the gas meter adjusted then the ignition gas pressure must and compare the value indicated in the sec- be checked and adjusted if necessary. -
Page 38: Adjustment Of Useful C.h. Output
Commissioning Natural (G20) To adjust the ignition gas pressure, set dip --- switch ”3” (Fig. 7.8) to the OFF position and adjust poten- tiometer marked “ACC” with a screwdriver until correct ignition gas pressure is obtained. RISC 9 10 11 M96.24SM/... -
Page 39: Checking The Ignition Device
Commissioning 7.12 Checking the condensate Propane (G31) drain pipe Check the soundness and integrity of the conden- sate drain pipe. Verify the cleaness and correct filling of the con- densate traps. 7.13 Instructing the user Hand over this combined User & Installation man- ual and the Service manual to the end user and ex- plain how to use the unit in both c.h. -
Page 40: Gas Conversion
GAS CONVERSION Warnings 9 set correctly the dip --- switch ”2” to the correct position (Fig. 8.2) in accordance with the follo- Procedures to adapt the boiler to the type of wing table. gas available must be carried out by a com- petent and responsible person. -
Page 41: 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 42: Combustion Analysis Check
Maintenance 3 A small quantity of water will remain in the sure in the expansion vessel is not less than 1 bar. d.h.w. heat exchanger after draining. If the See also section 4.5 page 15 of this manual. boiler is being drained to prevent freezing, the If the pressure is lower, take steps to correct the d.h.w. - Page 44 *1796211131* 17962.1113.1 3804 44A5 UK Biasi U.K. Ltd Unit 31/33, Planetary Road Industrial Estate, Neachells Lane Willenhall, Wolverhampton WV 13 3XB Technical helpline: 01902 304 400 Web site: www.biasi.co.uk...
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