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Ravenheat CSI 85 Installation And Servicing Instructions

Electronic ignition-automatic modulating boiler
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ELECTRONIC IGNITION - AUTOMATIC MODULATING BOILER
CONDENSING FANNED COMBI
WITHOUT TIMER
NATURAL GAS (G 20) (I
LPG (G 30 - G 31) (I
British Gas
Tested, certified and
service listed
Listed by The United Kingdom Water
Fitting Byelaws Scheme
WITH TIMER
NATURAL GAS (G 20) (I
LPG (G 30 - G 31) (I
3+
INSTALLATION AND SERVICING INSTRUCTIONS
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
CSI 85 - CSI 85T
0
) G.C. N
47 581 19
2H
0
) G.C. N
47 581 23
3+
0
) G.C. N
47 581 20
2H
0
) G.C. N
47 581 24
TO BE LEFT WITH USER

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Summary of Contents for Ravenheat CSI 85

  • Page 1 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...

  • Page 2: Heat Exchanger

    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 environment components should be re-cycled.

  • Page 3: Table Of Contents

    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 LIST OF SPARE PARTS GENERAL LAYOUT F i g . 1 33 - Main Switch 1 - Heat exchanger 16 - Hot water control...

  • Page 4: Heat Exchanger For D.h.w. Water

    26 Auto air vent valve 12 - Modulating gas valve 1 - Heat exchanger 27 Pressure switch giving priority 15 - Heating control potentiometer 2 - Heat exchanger for D.H.W. water 28 - Pressure switch 3 - Burner 16 - Hot water control potentiometer 29 - Circulating pump 17 - Water pressure switch 4 - Ignition pilot burner...

  • Page 5: Burner

    2.2.6 Central heating mode 1 INTRODUCTION SECTION The Ravenheat boiler is for the use of 2.2.7 If the switch is positioned on with a central and domestic hot water combined in ‘demand for heat to supply radiators, etc., with one unit.
  • Page 6 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 do- 2.4.5 Switch 33 in the (summer) position.
  • Page 7 3 TECHNICAL DATA SECTION NATURAL GAS (G 20) I TABLE 1 NOMINAL HEAT INPUT NET 24.0 kW (84,500 Btu/h) MINIMUM HEAT INPUT NET 13.0 kW (44.500 Btu/h) 23.8 kW NOMINAL HEAT OUTPUT (81,200 Btu/h) NOMINAL HEAT OUTPUT CONDENSING 25.6 kW (87,200 Btu/h) MINIMUM HEAT OUTPUT 11.7 kW...
  • Page 8 3 TECHNICAL DATA SECTION LPG (G 30 - G 31) I TABLE 1/A (84,500 Btu/h) NOMINAL HEAT INPUT NET 24.8 kW (44,500 Btu/h) MINIMUM HEAT INPUT NET 13.0 kW NOMINAL HEAT OUTPUT 24.1 kW (82,100 Btu/h) NOMINAL HEAT OUTPUT CONDENSING 25.6 kW (87,200 Btu/h) (4O,1OO Btu/h...
  • Page 9 Installation and Service Instructions or as otherwise recom- I.D. card and have a registration number. mended by Ravenheat in writing. If in doubt Both should be recorded in your boiler log please enquire. book. You can check your installer by calling CORGI direct on: 01256 732300.

  • Page 10: Frame

    other appliances when they are in use at the IMPORTANT NOTICE same time. 4.4.1 If the combination boiler is to be fitted in a timber framed building it should be fitted in FLUE SYSTEM accordance with the British Gas Publication 4.6.1 Guide for Gas Installations in Timber Frame The terminal should be located where dis-...
  • Page 11 CONDENSATE DRAIN A condensate drain is provided on the boiler. This drain must be connected to a drainage point. All pipework and fittings in the conden- sate drainage system MUST be made of plas- tic - no other materials may be used. Discharge of condensate DD 189:1990.
  • Page 12 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.
  • Page 13 1/2" in BSP nominal size and be in WATER TREATMENT accordance with BS 2879. This boiler has a secondary ALUMINIUM alloy heat exchanger Ravenheat recom- Installation to an existing central heat- 4.6.9 mended only the use of FERNOX-COPAL or...
  • Page 14 I.E.E. Regula- tions and local regulations which apply. The Ravenheat boiler is supplied for con- nection to a 230 V - 50 Hz single phase sup- ply. The supply must be fused at 3 A.
  • Page 15 DELIVERY WARNING: Maximum allowable flue length 2.5 m. The appliance will arrive on site in two maximum No. 2x1000 mm. 5.2.1 cartons Flue duct extension used with standard flue Box 1 of 2 containing (Fig. 11): a) boiler fully assembled b) installation instructions and user instructions Fig.
  • Page 16 Fig. 18 Fig. 15 1) Open the top of the carton 4) Rest the boiler on the floor and remove the polystyrene guards Fig. 19 Fig. 16 2) Rest the carton on the floor (keeping the flaps open)
  • Page 17 POSITIONING OF THE BOILER Fig. 22 5.4.1 - Remove the 2 screws that secure the upper part of the front panel of the casing (Fig. 19). - Carefully slide the front panel a few millimetres up towards the top of the appliance-until it is free from its slot, and then lift off (Fig.
  • Page 18 5.5.2 Locate the rubber 0 60 into the flue elbow - Cut the inner flue duct (60 mm) at right header (Fig. 30). angles to a length equal to W + 264 mm. Insert from cut end. Reassemble the two 5.5.3 If the standard duct furnished with the boiler tubes.
  • Page 19 5.5.6 Fit terminal cover plate and terminal guard 5.5.4 Insert the flue assembly into the wall, being careful to make sure that the outer air duct (Fig. 36-37). comes flush to the inner surface of the wall. 5.5.9 Extension kits are available on order for flue extension of up to 2.5 metres total 5.5.5 Lift the boiler on to the wall (Fig.
  • Page 20 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.
  • Page 21 63 -Air intake duct extension 56 - Sample point 64 - Flue Exhaust duct extension 57 - Elbow Header 65 - Pipe centering spring 59 - Rubber seal 0 60 128 - In Line Bend 5.7.2 Positioning the elbow towards the required - Reassemble the two tubes.
  • Page 22 Insert plastic expansion plugs (Fig. 29). Before proceeding with installation check the contents of the RAVENHEAT VERTICAL FLUE KIT, -Screw in the two upper coach bolts comprising of the following pieces: leaving them about 10 mm out from the...
  • Page 23 29 mbar for butane). Fit a roof flashing sleeve (7 Fig. 43) to the roof, Fit gas service cock to the boiler via the available from Ravenheat Manufacturing. 5.9.2 union nut and connect gas pipe. Do not overtighten and use another Insert the-Vertical Flue terminal assembly through the flashing plate from the outside.
  • Page 24 WARNING: If the supply cord is dam- Factory fitted internal wiring must not be aged, it must be replaced by a service disturbed when wiring external controls. engineer (supply cord available from Ravenheat Manufacturing Ltd). Fig. 49A...
  • Page 25 5.14 PROGRAMMABLE TIME CLOCK - Continue filling the system until 1.5 bar Instructions for use consult User’s Guide registers on gauge. Then turn off the filling points stopcock. 6 COMMISSIONING - Inspect the system for water soundness SECTION and remedy any leaks discovered. Each boiler has been through a rigorous operational procedure at our factory and SETTlNG THE SYSTEM DESIGN...
  • Page 27 10.5 0.5 mbar (4.2 increase the pressure and counter-clock- 0.2 in wg.) for CSI 85 - CSI 85T. wise to decrease it. After adjustment turn off D.H.W.Taps. - LPG check gas pressure inlet (37 mbar propane - 29 mbar butane).
  • Page 28 RATIO BETWEEN BURNER 6.13 CHECKING THE FLUE SYSTEM PRESSURE AND OUTPUT 6.13.1 The flue system should be visually checked for soundness. Check all connections 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.
  • Page 29 EXPLODED DIAGRAM OF BOILER BODY 27 - Auto air vent valve 53 - Connection tube 1 - Window 28 - Pressure switch 54 - Connection tube 2 - Plenum chamber cover 29 - Seal 58 - Ceramic insulation 6 - Combustion chamber 61 - Condensing heat exchanger 7 - Flue restriction ring 31 - Seal...
  • Page 30 7.2.3 Examine internal pipe-work connections and automatic air vent for any water leaks. Ravenheat are a member of the Benchmark initiative Rectify if necessary. and fully supports the aims of the programme. Benchmark has instructed to improve the standards 7.2.4...
  • Page 31 7.2.6 Inspect the secondary condensate heat exchanger then from the appliance. exchanger. Deposits can be cleared by Place in a safe place until required. Reas- removing and flushing out the exchanger. semble in reverse order. Ensure wires are Inspect the siphonic condensate trap for a connected correctly (Fig.
  • Page 32 7.82 Remove the two sides of the casing by slightly lifting them and sliding them towards the top of the appliance, to release them from their upper suspension hooks. 7.84 Remove the fan (sect, 7.6). condensing heat exchanger 7.8.5 Remove (sect.
  • Page 33 7.10 TO REPLACE THE ELECTRODE Fig. 60 (Fig. 66) 7.10.1 Remove front casing (sect. 7.3). Remove combustion chamber front cover (sect. 7.4). Fig. 56 TAKE OFF Fig. 62...
  • Page 34 Fig. 66 Fig. 63 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.
  • Page 35 7.14 TO REMOVE/REPLACE THE MAIN Fig. 69 INJECTORS 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. 7.13. 7.14.2 Unscrew the union (Fig. 70). 7.14.3 Unscrew the 4 screws securing the injector manifold to the burner (Fig.

  • Page 36: Hot Water Control

    7.15 TO REMOVE/REPLACE THE 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 R e m o v e t h e injectors m a n i f o l d a s described in sect.

  • Page 37: Pressure Switch

    7.19.6 Replace in reverse order. 7.22.7 Replace in reverse order. 7.20 TO REMOVE/REPLACE THE MAIN 7.23 TO REMOVE/REPLACE THE ELECTRIC SWITCH (Fig. 82). CONTROL BOARD (PCB) 7.20.1 Remove the front panel from the outer 7.23.1 Remove the front panel from the outer casing (sect.
  • Page 38 IMPORTANT: 7.25.3 Close the on/off valves on the heating 7.25.8 Make sure that the arrow that indicates the circuit and drain at drain point water from direction of flow aims from the bottom the boiler (Fig. 93). upwards. 7.25.4 Remove the terminal covers and detach the 7.25.9 Replace wires and cover ensuring that supply wires (Fig.
  • Page 39 7.27.5 Undo the nut and withdraw the sensor 7.28 TO REMOVE/REPLACE THE CENTRAL (Fig. 81) from its pocket,. HEATING EXPANSION VESSEL In the unlikely event of failure of the central 7.27.6 Replace in reverse order. heating expansion vessel recommended a suitable expansion vessel be fitted external to the boiler.
  • Page 40 7.29.4 Close the on/off valves for the central Fig. 88 heating circuit and drain the water from the boiler drain point (Fig. 93). 7.29.5 Unscrew and remove the plastic cap that protects the valve vent hole. 7.29.6 Disconnect the unions 1 (Fig. 92) slightly turn and remove auto air vent.
  • Page 41 7.33 TO REMOVE / REPLACE D.H.W. HEAT EXCHANGER Remove the front panel from the outer 7.33.1 casing and lower the instrument panel (sect. 7.16.2 & 3). 7.33.2 Close the on/off valves for the heating circuit and the hot water circuit, Drain the boiler (Fig.
  • Page 43 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)
  • Page 44 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.
  • Page 45 Fig. 94 9 ELECTRICAL SYSTEM DIAGRAM SECTION...
  • Page 49 INSTALLATION INSTRUCTIONS FOR TWIN FLUE PIPE (ECCENTRIC FLUE DUCT SYSTEM) 10 - air intake bend 90 13 - 45 flue exhaust bend IO - flue exhaust bend 90 14 - flue exhaust duct 11 - air inlet terminal 14 - air intake duct 12 - flue exhaust terminal 15 - two-way flue gas header 13 - 45...
  • Page 50 Locate the sealing washer fixing the twin flue 90” M/F bend consisting of. header as illustrated making sure that the inner aluminium exhaust locates firmly in the 90” elbow with ‘0’ ring side F outlet spigot. Make sure that the screws are 80 mm dia ‘0’...
  • Page 51 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) 252 007 IMPORTANT:...

  • Page 53: Main Switch

    RAVENHEAT CSI 85 - CSI 85T CONDENSING FANNED COMBI BOILER SHORT LIST OF SPARE PARTS G.C. Ravenheat Part. No. Part. No. Description E23-711 0014FRO06005/0 Instrument panel - TIMER MODEL 0012COM06005/0 E23-712 Main switch 0012POT05010/0 E23-729 D.H.W. / C.H. Potentiometer 0007TER03010/0...

  • Page 54: Expansion Tank

    G.C. Ravenheat Part. No. Pos. Part. No. Description 0001CAM06010/0 Depression chamber 372856 Nozzle 0,27 for natural gas 5012096 E02-129 48.1 0003UGE01605/0 Nozzle DM 0.22x1 LPG 372892 Ignition electrode 5021050 0 0 1 2 C A V 0 6 0 0 5 / 0...
  • Page 55 Chartists Way, Morley, Leeds, LS27 9ET. Telephone: (0113) 252 7007 Tfax: (0113) 238 0229...

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Csi 85t