Ravenheat 780 Series Instructions For Use Installation And Servicing
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Ravenheat 780 Series Instructions For Use Installation And Servicing

High effincency condensing fanned flue boiler
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Instructions for Use
Installation and Servicing
To be left with the user
CSI SYSTEM AAA (T)
CSI SYSTEM AAA (T)
HIGH EFFINCENCY
CONDENSING
FANNED FLUE BOILER
Natural Gas (G20) I
Lpg (G30-G31) I
Technical and illustrative data are not binding and can be modifi ed 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
TEL. 0044( 0)113 252 7007
Website : www.ravenheat.co.uk - E-mail : sales@ravenheat.co.uk
780 SERIES
780 SERIES
- II
2H
2H3+
- II
3+
2H3+
-
FAX: 0044 (0)113 238 0229

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Summary of Contents for Ravenheat 780 Series

  • Page 1 Technical and illustrative data are not binding and can be modifi ed 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 TEL. 0044( 0)113 252 7007 FAX: 0044 (0)113 238 0229 Website : www.ravenheat.co.uk - E-mail : sales@ravenheat.co.uk...

  • Page 3: Heat Exchanger

    When servicing avoid inhalation by using a vacuum cleaner 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 environment components should be re-cycled.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SECTIONS PAGE INTRODUCTION DESCRIPTION OF CONTROL SYSTEM AND SEQUENCE OF OPERATION TECHNICAL DATA GENERAL REQUIREMENTS INSTALLATION COMMISSIONING SERVICING INSTRUCTIONS FAULT FINDING ELECTRICAL SYSTEM DIAGRAM INSTALLATION INSTRUCTIONS FOR TWIN FLUE PIPE EXPLODED PARTS DIAGRAM LIST OF SPARE PARTS Fig.

  • Page 5: Burner

    Fig. 2 1 - Gas service cock 13 - Flue restriction ring 2 - Compresson ball valves 14 - Temperature flue sensor 3 - Water pressure gauge 15 - Condensing heat exchanger 4 - Water pressure switch 16 - Ignition electrode 5 - Circulation pump 17 - Condensing trap 6 - Overheat cut off thermostat...
  • Page 6 INTRODUCTION SECTION 1 In that it will start on minimum and remain The Ravenheat CSI System boiler is for the at this level for about 1 minute. After which use of central heating wich incorporates a the fl ame will lift to its maximum setting as...
  • Page 7 OVERALL DIMENSION Fig. 3...
  • Page 8 TECHNICAL DATA SECTION 3 CSI SYSTEM AAA (T) 780 Series TABLE 1 NATURAL GAS (G 20) І - П 2H3+ NOMINAL HEAT INPUT NET QMS 24.8 kW MINIMUM HEAT INPUT NET 13.0 kW NOMINAL HEAT OUTPUT 23.8 kW NOMINAL HEAT OUTPUT CONDENSING 26.2 kW...
  • Page 9 TECHNICAL DATA SECTION 3 CSI SYSTEM AAA (T) 780 Series TABLE 1/A LPG (G 30 - G 31) І - П 2H3+ NOMINAL HEAT INPUT NET QMS 24.8 kW MINIMUM HEAT INPUT NET 13.0 kW NOMINAL HEAT OUTPUT 23.8 kW NOMINAL HEAT OUTPUT CONDENSING 26.2 kW...
  • Page 10 4.2.1 Siting of the Ravenheat CSI SYSTEM AAA (T) concerning installation requirements. If you 780 series Combi Boiler must be as follows. need advice on any points your Ravenheat The position of installation should be within Technical Services Office would be pleased to the building, unless otherwise protected by a suitable enclosure.
  • Page 11 Samples of a nuisance should be avoided. the CSI 85 (T) 780 series combination boiler The flue must be installed in accordance with have been examined by B.G. Technology the recommendations of BS 5440: Part 1.
  • Page 12 Fig. 6 Terminal position for fan assisted boiler (minimum distance) Directly below an open window or other opening (e.g. air brick) From a vertical structure on the roof Below eaves Below balconies or car port roof From a vertical drain pipes and soil pipes From an internal or external corner Above ground or below balcony level From a surface facing a terminal...
  • Page 13 4.8.5 Draining tap These must be located in accessible positions 4.8.6 Air release points to permit the draining of the whole system. These must be fitted at all high points where The taps must be at least 15 mm nominal size air will naturally collect, and must be sited to and manufactured in accordance with BS 2870 facilitate complete filling of the system.
  • Page 14 4.8.9 WATER TREATMENT This boiler has a secondary ALUMINIUM alloy 4.8.8 Installation to an existing central heating heat exchanger Ravenheat recommended only system. the use of FERNOX- COPAL or SENTINEL The combination boiler is designed to operate X100 water treatment products, which must on a sealed system only.
  • Page 15 I.E.E. Regulations and local regulations which apply. The Ravenheat boiler is supplied for connection to a 230 V ~ 50 Hz single phase supply. The supply must be fused at 3 A.
  • Page 16 DELIVERY 5.2.1 The appliance carton containing (fi g 11): Horizontal CSI fl ue kit (sold separate) Fig. 12. a) boiler fully assembled b) installation instructions and 57 - Flue bend assembly user instructions 59 - Rubber seal Ø 60 c) white paper template. 60 - Air intake duct 61 - Flue exhaust duct Polythene bag containing...
  • Page 17 UNPACKING. 5.3.1 Open the top of the carton (fig. 11). Fig. 15 5.3.2 Rest the carton on the floor ( keeping the flaps open). 5.3.3 Turn the carton over, with the boiler inside and then pull the carton. 5.3.4 Rest the boiler on the floor and remove the polystyrene guards (fig.
  • Page 18 - Cut the inner flue duct (60 mm) at right angles 5.5.2 Locate the rubber Ø 60 into the flue elbow to a length equal to W + 264 mm. header (fig 19). Insert from cut and reassemble the two tubes. Insert centering spring 65 (must be de-burred).
  • Page 19 5.5.4 Insert the flue assembly into the wall, being 5.5.7 Fit terminal cover plate (fig. 23). careful to make sure that the outer air duct comes flush to the inner surface of the wall. 5.5.8 Extensions kits are available to order for flue extension of up to 2.5 metres total length.
  • Page 20 NOTE: a suitable support bracket is available 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.
  • Page 21 Fig. 28 59 - Rubber seal diam. 60 64 - Flue exhaust extension 65 - Pipe centering spring 63 - Air intake duct extension 128 - In line bend - Remove the centering spring 65, pull the 5.7.6 Lift the boiler on to the wall. Locate onto flue terminal, disengage inner flue duct.
  • Page 22 (fig. 33) item 6, and ensure that Before proceeding with installation check the contents the gasket is correctly fitted. of the RAVENHEAT VERTICAL FLUE KIT, comprising of the following pieces: Important: Make sure that the flue header dia 60 mm duct is inserted fully into the fan spigot.
  • Page 23 Fit a roof flashing sleeve (fig. 33 item 7) to the roof, out with cold water. available from Ravenheat Manufacturing. - Connect the central heating return pipe to the isolating cock. Insert the Vertical Flue terminal assembly through - Connect the central heating flow pipe to the flashing plate from the outside.

  • Page 24: Condensing Trap

    Securely tighten all terminal screws and arrange the cable with slack between the cord anchorage and the terminal block. WARNING: If the supply cord is damaged, it must be replaced by a service engineer (supply cord available from Ravenheat Manufacturing Ltd).
  • Page 25 When used with a “Y” or “S” plan system it will control DHW and/or heating only (if required see fig. 36). As an alternative Ravenheat recommend a room stat with built in timer for control of heating using boiler timer for DHW time settings.

  • Page 26: Drain Point

    Fig. 36/a COMMISSIONING SECTION 6 Each boiler has been through a rigorous -- Continue filling the system until 1.5 bar operational procedure at our factory and register on gauge. Then turn off the filling should not require any further adjustment points stopcock.
  • Page 27 INSTRUMENT PANEL Fig. 37 GAS VALVE 77 - Upstream pressure inlet 81 - Downstream pressure outlet 104 - Gas valve modulator 110 - Max. regulator nut 111 - Min. regulator nut 114 - Electrical connections modulator 115 - Electrical connections Fig.
  • Page 28 - Turn control thermostat 4 up to its maximum ADJUSTING MINIMUM AND MAXIMUM setting. PRESSURE (fig. 36) - Now the main burner should turn on. With SIT-HONEYWELL-DUNGS GAS VALVE leak detection fluid test for gas soundness - Remove cap covering modulator to gas of all gas components and joints.
  • Page 29 6.12 CHECKING THE FLUE SYSTEM 6.12.1 The flue system should be visually checked for soundness check all connections and fixings are secure and tight. Fig. 39 6.13 CHECKING THE HEATING THERMOSTAT 6.13.1 Allow the system to warm up and then turn the C.H thermostat to ensure the main burner modulates from “high”...
  • Page 30 Fig. 41 2 - Plenum chamber cover 27 - Auto air vent valve 53 - Connection tube 6 - Combustion chamber 28 - Pressure switch 54 - Connection tube 7 - Flue restriction ring 29 - Seal 58 - Ceramic insulation 8 - Flue gas exhaust hood 31 - Seal 61 - Condensing heat exchanger...
  • Page 31 Inspect the heat exchanger for any blockage. Deposits of any material should be brushed away using a soft brush. Ravenheat are a member of the Benchmark initiative and NOTE: Do not use brushes with metallic fully supports the aims of the programme. Benchmark has bristles.
  • Page 32 7.2.7 Inspect secondary condensate exchanger then from the appliance. heat exchanger. Deposits Place in a safe place until required cleared by removing and flushing out Reassemble in reverse order. Ensure wires exchanger. Inspect siphonic are connected correctly. condensate trap for a blockage. Any deposits should be flushed out (fig.
  • Page 33 TO REMOVE/REPLACE COMBUSTION REMOVE/REPLACE FLUE CHAMBER INSULATION PANELS. HOOD. 7.9.1 Remove casing front panel (sect. 7.3). 7.7.1 Remove front casing (sect. 7.3). Remove combustion chamber front cover Remove combustion chamber front cover (sect. 7.4). as in (sect. 7.4). 7.9.2 Remove fan (sect. 7.5). 7.7.2 Remove the fan (sect.
  • Page 34 Fig. 44 Fig. 45 Fig. 46...
  • Page 35 7.11 TO REMOVE/REPLACE THE INJECTORS 7.14.3 Remove the switch out from the instrument ( fi g. 50). panel by pressing the clamp springs. 7.11.1 Remove the front casing and the depression chamber front cover (sect.7.3 - 7.4). 7.14.4 Replace in reverse order. 7.11.2 Unscrew the union and the 4 screws securing the manifold at the burner.
  • Page 36 Fig. 47 Fig. 48 Fig. 49 Fig. 50 Fig. 51...
  • Page 37 7.17 TO REMOVE/REPLACE THE DIFFERENTIAL 7.19 REMOVE/REPLACE ELECTRIC PRESSURE SWITCH (fig. 52). CONTROL AND IGNITION BOARD. 7.17.1 Remove front casing (sect. 7.3). 7.19.1 Remove the front panel from the outer casing (sect. 7.3) and lower the instrument 7.17.2 Detach the wire connector plug from the panel .
  • Page 38 7.21 TO REMOVE/REPLACE PUMP (fig. 56). 7.20 TO REMOVE/REPLACE CONDENSING TRAP (fig.55). 7.21.1 Remove front casing (sect 8.1). 7.20.1 Remove the casing (sect 7.3) and lower the instrument panel . 7.21.3 Detach the supply wire connector from the pump. 7.20.2 Remove the securing clip and pull out the plastic pipe that connect the 7.21.4...
  • Page 39 7.22 REMOVE/REPLACE CENTRAL HEATING EXPANSION VESSEL (fig. 57). 7.24 EXTERNAL HEATING CONTROLS (Fig.58). In the unlikely event of failure of the central 7.24.1 Remove front and bottom of the casing heating expansion vessel it is recommended (sect7.3). a suitable expansion vessel be fitted external to the boiler.

  • Page 40: Low Water Pressure Switch

    FAULT FINDING CENTRAL HEATING SECTION 8 Before trying to operate the boiler make sure that: - All gas supply cocks are open and the gas supply has been purge of air. - The heating system pressure is at least 1 bar min to 1.5 bar Max. - Main Switch on and power indicator light is on - Select “Winter”...
  • Page 41 BOILER NOT OPERATIONAL ON TIMER (INTEGRAL) Switch on/select “Winter” / Central heating. Stat to Maximun/Ensure External control calling for heat (Room Stat / TRV). Set Timer to Required Is Timer set to mode - Recheck “OFF” ? Timer set to Check programme are Enter correct programme “AUTO”...
  • Page 42 SECTION 9 ELECTRICAL SYSTEM DIAGRAM. Fig. 59...
  • Page 43 fl ue eccentric fl ue duct systems only. When ordering twin fl ue it must be stated for Take out the 4 temporarily fi tted securing CSI SYSTEM 780 series range. screws, lifting out the gasket and orifi ce plate Typical installation procedures are illustrated disconnecting it from the venturi tube.
  • Page 44 Locate the sealing washer fi xing the twin fl ue header as illustrated making sure that the inner aluminium exhaust locates fi rmly in the outlet spigot make sure that the screws are satisfactorily located through the gasket seal. Locate the 2 x 80 mm ‘O’ rings in the twin flue header.
  • Page 45 Air inlet terminal (plastic) 80 mm 30009 Available on request from: Exhaust terminal (stainless steel) 80 mm 30011 RAVENHEAT MANUFACTURING LTD Pitch roof slate Chartist Way Flat roof slate Morley, Leeds, West Yorkshire Twin fl ue pipe socket seal 60 mm 30007 ENGLAND LS27 9ET - U.K.
  • Page 46 SECTION 11...

  • Page 47: C.h. Sensor

    SECTION 12 RAVENHEAT CSI SYSTEM (T) - 780 series CONDENSING FANNED FLUE BOILER SHORT LIST OF SPARE PARTS Ravenheat G.C. Pos. Part. No. Part. No. Description 0014PAN06010/0 Instrument panel 0012INT11005/0 E23-712 Switch 0012POT05010/0 E23-729 C.H. Potentiometer 0007TER08010/0 Overheat thermostat 0001CAM06005/0...
  • Page 48 Ravenheat G.C. Pos. Part. No. Part. No. Description 0003BRU06016/1 Burner natural gas 68.1 0003BRU06017/1 Burner LPG 0005PRE11010/1 Low water pressure switch 0009CIR06005/0 Circulation pump 0008VAL01018/1 Safety relief valve (3 bar) 0014TUB01005/1 White nylon tubes from pres. switch 87.1 0014TUB01006/1 Red nylon tubes from pres. switch...
  • Page 50 COD 0017LIB06010/2 - 03/2010...
  • Page 51 The code of practice for the installation, commissioning & servicing of gas central heating Installation, Commissioning and Service Record Log Book CUSTOMER DETAILS NAME ADDRESS TEL No. IMPORTANT 1. Please keep the Log Book in a safe place for future reference. 2.
  • Page 52 For the domestic hot water mode, measure and record: HEAT INPUT MAXIMUM BURNER OPERATING PRESSURE mbar MAXIMUM OPERATING WATER PRESSURE COLD WATER INLET TEMPERATURE °C HOT WATER OUTLET TEMPERATURE °C WATER FLOW RATE AT MAXIMUM SETTING Its/min FOR CONDENSING BOILERS ONLY HAS THE CONDENSATE DRAIN BEEN INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS? FOR ALL INSTALLATION DOES THE HEATING AND HOT WATER SYSTEM COMPLY WITH THE APPROPRIATE BUILDING REGULATIONS?

This manual is also suitable for:

Csi 85 780 seriesCsi 85t 780 series

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