Technical and illustrative data are not binding and can be modified without prior notice. The descriptions and illustrations in the present booklet are for guideline purposes only. RAVENHEAT MANUFACTURING LTD., CHARTISTS WAY, MORLEY, LEEDS, LS27 9ET. - TELEPHONE (0113) 252 7007...
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When servicing avoid inhalation by using a vacuum cleaner or in conjunction with other tools, After handling wash hands and other exposed parts. RAVENHEAT use only high quality material for production of this product, in an effort to protect the envi- ronment components should be re-cycled.
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TABLE OF CONTENTS SECTIONS: PAGE: INTRODUCTION DESIGN PRINCIPLES AND OPERATING SEQUENCE TECHNICAL DATA 8 - 9 - 1 0 GENERAL REQUIREMENTS INSTALLATION COMMISSIONING SERVICING INSTRUCTIONS FAULT FINDING ELECTRICAL SYSTEM DIAGRAM EXPLODED PARTS DIAGRAM 11’ LIST OF SPARE PARTS GENERAL LAYOUT 1 - Heat exchanger 17 - DHW sensor 33 - Main switch...
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OPERATING SCHEME Fig . 2 1 - Heat exchanger 16 - Hot water control 28 - Air pressure switch 18 - Overheat cut-off thermostat 2 - Heat exchanger for D.H.W. water 29 - Circulating pump 3 - Burner 30 -Water pressure gauge 20 - Gas service cock Pilot burner 3 6 - F a n...
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INTRODUCTION SECTION 1 to its rest mode. The Ravenheat boiler is for the use of 2.2.6 Central heating mode central and domestic hot water combined in one unit. It is fitted with an automatic domestic hot 2.2.7...
Domestic hot water mode 2.4.4 When D.H.W. is no longer called for the boil- er automatically returns to the central heat- 2.4.1 The heat exchanger in the D.H.W. circuit is ing mode. built into the main heat exchanger, and 2.4.5 Switch 33 in the (summer) position.
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3 TECHNICAL DATA SECTION NATURAL GAS (G 20) I TABLE 1 HEAT INPUT NET 26.1 kW (89,100 Btu/h) NOMINAL 18.9 kW (64,500 Btu/h) 13.0 kW (44,400 Btu/h) HEAT OUTPUT 23.6 kW (80,500 Btu/h) NOMINAL 16.6 kW (56,700 Btu/h) 10.3 kW (35,200 Btu/h) GAS RATE 2.6 m...
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It is law that all gas appliances are installed and ser- viced by a Corgi registered installer (identified by If in doubt on any point please consult Ravenheat in accordance with the above regulations. Failure to Manufacturing Ltd. install appliances correctly could lead to prosecu- tion.
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Fit only recommended flue terminal guard by securing concentrically around terminal with screws. Available on request from: RAVENHEAT Manufacturing Ltd Chartists Way Morley, Leeds, West Yorkshire ENGLAND LS27 9ET - U.K. Tel. 0113 252 7007...
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4.6.2 A concentric vertical flue kit is available, for WATER CIRCULATION (central heating) flueing applications up to a maximun height of 4.5 metres. 4.8.1 Detailed recommendations are given in BS For further details see vertical flue installa- 6798 5449.1.1977 (for smallbore and micro- tion instructions and page 21.
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A non return valve of an accepted type. with an automatic air vent connected be- We recommend use of a Ravenheat tween them, with the stop valve being locat- Filling Loop designed for this method of ed, between the cistern and the automatic filling the system.
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SIZING OF ADDITIONAL EXPANSION VESSELS: TABLE 3 Deduct from the value given in the table the 7 litre vessel supplied. Safety valve setting (bar) Vessel charge pressure (bar) Initial system pressure (bar) Total water EXPANSION VESSEL VOLUME (LITRES) content Of system Litres 13.7 10.3...
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The Ravenheat boiler is supplied for con- Fig. 10 nection to a 230 V - 50 Hz single phase supply. The supply must be fused at 3 A. NOTE: The method of connection to the electricity supply MUST facilitate complete...
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FLUE BOX CONTAINING (Fig. 12): Fig. 12 Standard Flue Assembly 60 - Air intake duct 61 - Flue exhaust duct 62 -Terminal 65 -Pipe centering spring 127 -Terminal Cover Plate (Contained in the carton Fig. 10) OPTIONAL EXTRAS: Fig. 13 Flue bend carton containing: (Fig.
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UNPACKING Fig. 18 4) Rest the boiler on the floor and remove the polystyrene guards Fig. 19 2) Rest the carton on the floor (keeping the flaps open)
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Fig. 22 POSITIONING OF THE BOILER 5.4.1 - Remove the 2 screws that secure the upper part of the front panel of the cas- ing (Fig. 19). - Carefully slide the front panel a few mil- limetres up towards the top of the appli- ance until it is free from its slot, and then lift off (Fig.
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5.5.3 If the standard duct furnished with the boiler - Cut the inner flue duct (60 mm) at right is too long (the wall to. go through is less angles to a length equal to W + 201 mm. than 680 mm. thick) it can be shortened as Insert from cut end.
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5.5.8 5.5.4 insert the flue assembly into the wall, being Fit terminal cover plate if required. careful to make sure that the outer air duct 5.5.9 comes flush to the inner surface of the wall. Extension kits are available on order for flue extension of up to 3.5 metres total length Lift the boiler on to the wall (Fig.
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NOTE: a suitable support bracket is availa- ble from Ravenheat Manufacturing and should be used to support flue length at least every 1.8 metre preferably at each joint this bracket should be secured to wall and flue duct.
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Fig. 398 63 -Air intake duct extension 56 - Sample point (if required) 64 - Flue Exhaust duct extension 57 - Elbow Header 65 - Pipe centering spring 59 - Rubber seal 0 60 128 - In Line Bend (45” and/or 90”) USING AN INLINE 135 OR 90 BEND &...
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5.7.2 Detach the straight header and replace it with the elbow header (supplied on request), positioning the elbow towards the required direction (Fig. 40). Important: make sure that the elbow’s dia. 60 mm. duct is inserted into the fan and ELBOW HEADER that the rubber seal and orifice are been correctly fitted.
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Fig. 43 GAS CONNECTION (Fig. 46) 5.9.1 A minimum gas pressure of 20 mbar (6 in w.g.) must be available at the boiler inlet at full flow rate. Fig. 44 5.92 Fit gas service cock to the boiler via the union nut and connect gas pipe.
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& steam) will not create danger or service engineer (supply cord available nuisance, in easily visible position, and not from Ravenheat Manufacturing Ltd). to cause damage to electrical components or wiring. 5.14...
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- Gradually open stopcock at the filling point connection to the central heating system until water is heard to flow. Each boiler has been through a rigorous operational procedure at our factory and - Starting with the lowest radiator open should not require any further adjustment.
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- C h e c k i f t h e m i n i m u m p r e s s u r e corresponds to 1.5 mbar (0.6 in w.g.) establish pressure as per (Fig. 52). RSF 82E - RSF 82ET as is set at the - Replace the protective cover. factory.
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RATIO BETWEEN BURNER 6.13 CHECKING THE FLUE SYSTEM PRESSURE AND OUTPUT Fig. 52 6.13.1 The flue system should be visually checked for soundness. Check all clamps and fixings are secure and tight. 6.14 CHECKING THE HEATING THERMOSTAT 6.14.1 Allow the system to warm up and then turn the C.H.
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NOTE: Do not use brushes with metallic bristles. 7.2.3 Examine internal pipe-work connections and automatic air vent for any water leaks. Ravenheat member Rectify if necessary. Benchmark initiative and fully supports the aims of the programme. Benchmark has 7.2.4...
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EXPLODED DIAGRAM OF BOILER BODY Fig. 54 41 - Window seal 53 - Connection tube- 42 - Window clamp ring 54 - Connection tube + 1 - Heat exchanger 43 - Thermocouple seal 56 - Straight header 26 - Auto air vent valve 44 - Burner centering pin 57 - Elbow header 28 - Pressure switch...
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7.2.8 Examine flue duct and flue hood and ensure TO REMOVE THE HEAT EXCHANGER (Fig. 62-63-64) that there is no obstruction. Examine the gasket at the entry into the flue duct. 7.8.1 Remove front casing (sect. 7.3). 7.2.9 Remove combustion chamber front cover as It is essential that a good seal is made at the in (sect.
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Fig. 60 7.10 TO REPLACE THE ELECTRODE (Fig. 66) 7.10.1 Remove front casing (sect. 7.3). Remove combustion chamber front cover (sect. 7.4). Fig. Fig. 62...
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Fig. 63 Fig. 66 7.10.2 Detach the wire from electrode and then unscrew the nut that secures it to the pilot burner assembly and remove. 7.10.3 Replace with new electrode in reverse order. 7.12 TO REPLACETHE PILOT INJECTOR (Fig. 68) Fig.
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Fig. 69 7.14 TO REMOVE REPLACE THE MAIN I N J E C T O R S 7.14.1 Remove the front panel of the casing and the combustion chamber front cover (sect. 7.3 & 4). Remove the pilot burner assembly as described in sect.
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7.15 TO REMOVE/REPLACETHE MAIN BURNER 7.15.1 Remove the front panel of the casing and the combustion chamber front cover (sect. 7.3 & 7.4). 7.15.2 Remove the pilot burner assembly as described in sect. 7.13. 7.15.4 Remove the injectors manifold as described in sect.
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7.22.7 7.19.4 Replace in reverse order. Unscrew the lock nut which fastens the potentiometer to the instrument panel (Fig. 78). 7.23 TO REMOVE/REPLACE THE ELECTRIC 7.19.5 Replace in reverse order CONTROL BOARD (PCB) 7.20 TO REMOVE/REPLACE THE MAIN 7.23.1 Remove the front panel from the outer SWITCH (Fig.
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7.25.3 Close the on/off valves on the heating IMPORTANT: circuit and drain at drain point water from 7.25.8 Make sure that the arrow that indicates the the boiler (Fig. 93). direction of flow aims from the bottom upwards. 7.25.4 Remove the terminal covers and detach the 7.25.9 Replace wires and cover ensuring that supply wires (Fig.
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7.20 TO REMOVE/REPLACE THE CENTRAL 7.27.6 Replace in reverse order. HEATING EXPANSION VESSEL In the unlikely event of failure of the central heating expansion vessel it is recommended a suitable expansion vessel be fitted exter- nal to the boiler. It should be positioned on Fig.
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7.29.4 Close the on/off valves for the central heating circuit and drain the water from the boiler drain point (Fig. 93). 7.29.5 Fig. 88 Unscrew and remove the plastic cap that protects the valve vent hole. 7.29.6 Disconnect-the unions 1 and 2 (Fig. 92) slightly turn and remove pipe and auto air vent.
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Section 8 FAULT FINDING CENTRAL HEATING Switch on Select “Winter” Central Heating Stat to maximum Ensure external controls calling for heat (Room Stat/Time Clock/TRV...
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FAULT FINDING DOMESTIC HOT WATER Before continuing it may be necessary to see Central Heating Fault Finding. Select only (Summer) Domestic Hot Water. Open Domestic hot tap close to appliance.
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9 ELECTRICAL SYSTEM DIAGRAM SECTION Fig. 94...
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