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Summary of Contents for Biasi RIVA PLUS M90D.24S
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Page 1: Installation Instructions
User manual and Installation instructions RIVA PLUS Models: M90D.24S M90D.28S M90D.24SR M90D.28SR... -
Page 3: Using The Boiler
Congratulations on your choice. Your boiler is electronically controlled and has electronic ignition. The materials it is made of and the control systems it is 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 4 Biasi products are manufactured in accordance with ISO 9000 and do not, and will not, contain any First aid --- Medical attention must be sought fol-...
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Page 5: 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 6: Table Of Contents
TABLE OF CONTENTS Appliance description ..2.4 C.h. circuit temperature ..1.1 Overview ..... . 2.5 D.h.w. -
Page 7: Appliance Description
APPLIANCE DESCRIPTION Overview 8 Function selector and c.h. temperature control knob 9 D.h.w. temperature control knob * 10 Appliance operation lights Isolation valves Fig. 1.1 Fig. 1.2 (bottom view of the boiler) 1 Case front panel 11 C.h. return valve 2 Control panel 12 D.c.w. -
Page 8: Operation Lights
Appliance operation 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 9: 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. The Benchmark Log Book is located at demonstrated in Fig. 2.1. -
Page 10: Ignition
Instructions for use Ignition The appliance operation light 10 will flash every 2 seconds (operating boiler). 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 Fig. -
Page 11: 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 12: Built In Time Switch (Combi)
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 1) which controls the c.h. operation. Fig. - Page 13 Instructions for use Setting example shown in Fig. 2.15: The current time and day appears in the display. Current time 16.30, day Thursday. The ON--- OFF display J indicates the current state of operation (according to the settings). Fig. 2.18 Fig.
- Page 14 Instructions for use Manual operation The time delay setting is activated by moving the switch A to the AUTO position. The operation of the time switch can be forced on The ON--- OFF display J flashes indicating that the or off constantly or for a timed period. current state of operation has been forced.
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Page 15: 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 16 Useful advice If water comes out of the pressure relief valve shut off the valves positioned under the boiler (Fig. 2.13 on page 6) and call an Authorised Ser- Check on the temperature and pressure gauge (4 vice Centre Engineer. on page 1) that the pressure in the central heating circuit is not close to 3 bars.
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Page 17: Technical Information
TECHNICAL INFORMATION Overview 13 Gas inlet valve 14 D.h.w. outlet pipe 15 C.h. flow valve 16 D.h.w. temperature probe NTC 17 Main circuit drain valve 18 C.h. pressure relief valve 19 Pump 20 Pump vent plug 21 Automatic air purger valve 22 D.h.w. -
Page 18: Main Diagram M90D.24S M90D.28S
Technical information Main diagram M90D.24S M90D.28S Fig. 4.2... -
Page 19: Main Diagram M90D.24Sr M90D.28Sr
Technical information Main diagram M90D.24SR M90D.28SR Fig. 4.3... -
Page 20: Technical Data M90D.24S, M90D.24Sr
Technical information Technical data Injectors M90D.24S, M90D.24SR Natural G20 Butane G30 Nominal heat input 26,6 Propane G31 BTU/h 90 754 Minimum heat input 11,0 BTU/h 37 530 Gas supply pressures Maximum useful output 24,3 norm. BTU/h 82 906 Natural 2 000 1 700 2 500 Minimum useful output... - Page 21 Technical information Electrical Data Voltage Frequency Power consumption Protection degree IPX4D External fuse rating Internal fuse rating 1,6 T Flue design Flue pipe diameter Coaxial 60/100 Twin split pipes Roof 80/125 Nominal heat flow rate* 26,6 Exhaust temperature* ûC Smoke production* kg/h 55,1 Flue gas figures...
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Page 22: Technical Data M90D.28S, M90D.28Sr
Technical information Technical data Gas supply pressures M90D.28S, M90D.28SR norm. Natural 2 000 1 700 2 500 Nominal heat input 31,1 mbar BTU/h 106 107 Butane 2 900 2 000 3 500 Minimum heat input 13,0 mbar BTU/h 44 353 Propane 3 700 2 500... - Page 23 Technical information Flue design Flue pipe diameter Coaxial 60/100 Twin split pipes Roof 80/125 Nominal heat flow rate* 31,1 Exhaust temperature* ûC Smoke production* kg/h 70,6 Flue gas figures Nominal heat input* 31,1 content content CO content <100 Exhaust temperature* ûC Other specifications Height...
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Page 24: 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 25: General Requirements
GENERAL REQUIREMENTS Biasi UK Ltd support the Benchmark initiative. combined appliance in a room containing a bath The Benchmark Log Book is located at the back or shower. of this manual and should be completed by the For Ireland (IE), reference should be made to the... -
Page 26: Gas Supply
General requirements The minimum acceptable spacing from the ter- Installation pipes should be fitted in accordance minal to obstructions and ventilation openings are with BS 6891 and the complete installation should specified in Fig. 5.1. be tested for soundness. For Ireland (IE), refer to I.S.813.2002. Air supply The room in which the boiler is installed does not require a purpose provided air vent. -
Page 27: Domestic Water
General requirements through the heating system due to the closing of and it must comply with local water authority regu- thermostatic valves or cock--- type valves within the lations. system. The correct method is shown in Fig. 5.2. The by --- pass is calibrated to assure a minimum The temporary connection must be removed flow of 500--- 600 lts/hr through the main heat ex- immediately after filling. -
Page 28: Electrical Supply
General requirements 1993 Table 2) it is recommended that a proprietary The boiler is supplied for connection to a 230 V~ scale--- reducing device is fitted into the boiler cold 50 Hz supply. The supply must be fused at 3A. supply, within the requirements of the local water The method of connection to the electricity supply company. -
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 Mounting the boiler Utilise the paper template supplied with the boiler to determine the fixing position for the bracket and 1 Take the protective caps off the boiler pipe- boiler. Securely mount the bracket to the wall work. using appropriate fixings suitable for the type of wall construction and capable of supporting the 2 Thoroughly clean the connections. -
Page 31: Fitting The Flue System
Installation Fitting the flue system Choice of flue Refer to the assembly instructions contained with- The following flue kits are available for connecting in the chosen flue kit packaging for the correct as- to the boiler: sembly and installation. Standard horizontal flue kit (Fig. 6.6A) Co--- axial 60/100mm --- nominal length 1m Flue restrictors This kit is normally supplied with the boiler and can... -
Page 32: Electrical Connections
The graph in Fig. 6.8 demonstrates the allowable drain. equivalent lengths for the air supply and flue ex- Please, see the boiler accessory leaflet available haust pipes. from your Supplier for details or contact Biasi UK Flue exhaust ”a” Technical Helpline. 6.10 Electrical connections... - Page 33 Installation Fig. 6.10 Fig. 6.12 4 Remove the side panels or move the lower part For the electrical connection to the boiler use elec- of the side panels as indicated in Fig. 6.11 and tric wires which conform to the current regulations, pull the control panel.
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Page 34: 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- 6.11... - Page 35 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 M90D.24SR M90D.28SR BR --- Brown External control BL --- Blue Mid--- position GR --- Grey terminal block diverter valve OR --- Orange...
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Page 36: Commissioning
COMMISSIONING Ensure that the Benchmark Log Book is satis- 3 Slowly open each draw--- off tap and close it factorily commpleted during the commssion- only when clear water, free of bubbles, flows ing process. The Log Book is located at the end out. -
Page 37: Lighting The Boiler
Commissioning 11 Cold flush the system to remove any loose par- ticles and any system debris before starting the boiler for the first time The flushing procedure must be in line with BS7593 Treatment of Water in d.h.w. c.h. Sys- tems. -
Page 38: Adjusting The Burner Ignition
Commissioning 1 Remove the front panel of the case (see sec- 14 Check the ignition gas pressure by setting tion 9.2 in this manual). dip--- switch ”3” (Fig. 7.8) to the OFF position. Compare the value on the gauge with the value 2 Loosen the internal screw 37 (Fig. -
Page 39: Adjustment Of Useful C.h. Output
Commissioning 4 Loosen the screws B and remove the service is set to the ’OFF’ position there will be approxi- panel (Fig. 7.7). mately 30 seconds re--- ignition delay period. Whilst checking or adjusting the c.h. output, and fault finding on the boiler it may be necessary to switch the re--- ignition delay mechanism (dips- witch 4) to the ’OFF’... -
Page 40: Checking The Ignition Device
Commissioning 7.10 Checking the flue system Butane (G30) The flue system should be visually checked for soundness. Check all clamps, gaskets and fixings are secure and tight. Ensure that the flue terminal is sited correctly in ac- cordance with the flue fitting instructions and Fig. -
Page 41: 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 42: Maintenance
MAINTENANCE Warnings Side panels 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: Combustion Analysis Check
Maintenance 2 Open the central heating drain cock (17 in Fig. 9.4). Air--- Flue exhaust Sampling points Fig. 9.4 3 A small quantity of water will remain in the d.h.w. heat exchanger after draining. If the boiler is being drained to prevent freezing, the d.h.w. -
Page 44: Checking The Pressurisation In The Expansion Vessel
Maintenance Checking the pressurisation Checking the flue in the expansion vessel Have the integrity of the flue outlet pipe (45 on page 12) air intake pipe (46 on page 12), checked Empty the central heating system as described in periodically, the venturi device* (42 on page 12) section 9.4 of this chapter and check that the pres- cleaned and the efficiency of the flue safety circuit sure in the expansion vessel is not less than 1 bar. - Page 45 Maintenance...
- Page 48 *1796209138* 17962.0913.8 4106 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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