Ravenheat CSI 85T Installation And Servicing Instructions
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Ravenheat CSI 85T Installation And Servicing Instructions

Electronic ignition - automatic modulating boiler condensing fanned combi
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  • Page 3: 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 4: Table Of Contents

    TABLE OF CONTENTS SECTIONS PAGE INTRODUCTION DESIGN PRINCIPLES AND OPERATING SEQUENCE TECNICAL DATA GENERAL REQUIREMENTS INSTALLATION COMMISSIONING SERVICING INSTRUCTIONS FAUL FINDING ELECTRICAL SYSTEM DIAGRAM EXPLODED PARTS DIAGRAM LIST OF SPARE PARTS 1 - Heat exchanger 16 - Hot water control 34 - C.H.

  • Page 5: Heat Exchanger For D.h.w Water

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

  • Page 6: Frame

    The Ravenheat boiler is for the use of central hot water mode but with slightly differing and domestic hot water combined in one unit.

  • Page 7: Overheat Cut Off Thermostat

    Domestic hot water mode 2.4.4 When D.H.W. is no longer called for the boiler automatically returns to the central heating 2.4.1 The heat exchanger in the D.H.W. circuit mode is built into the main heat exchanger, and 2.4.5 Switch 33 in the (summer) position The domestic water is heated by converting boiler functions like an automatic gas hot water...
  • Page 8 TECHNICAL DATA SECTION 3 CSI 85 - CSI 85T TABLE 1 NATURAL GAS (G 20) І - П 2H3+ NOMINAL HEAT INPUT NET QMS 22.6 kW MINIMUM HEAT INPUT NET 11.6 kW NOMINAL HEAT OUTPUT 22.3 kW NOMINAL HEAT OUTPUT CONDENSING 23.9 kW...
  • Page 9 TECHNICAL DATA SECTION 3 CSI 85 - CSI 85T TABLE 1/A LPG (G 30 - G 31) І - П 2H3+ NOMINAL HEAT INPUT NET QMS 22.6 kW MINIMUM HEAT INPUT NET 11.6 kW NOMINAL HEAT OUTPUT 22.3 kW NOMINAL HEAT OUTPUT CONDENSING 23.9 kW...
  • Page 10 Detailed recommendations are contained in the The Ravenheat LS 80 (T) and LS 100 (T) Combi following British Standard Codes of Practice: Boiler must be fitted on a flat and vertical wall capable of adequately supporting the weight of BS.6891 Low pressure installation pipes.
  • Page 11 IMPORTANT NOTICE other appliances when they are in use at the 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 dispersal...
  • Page 12 WATER CIRCULATION (central heating) Terminal position for fan assisted boiler (minimum distance) A - Directly below an open window or other 4.8.1 Detailed recommendations given opening (e.g. air brick) 6798:1987/5449:1990 (for smallbore B - Below gutters, soil pipes or drain pipes and microbore central heating systems).
  • Page 13 4.8.4 Draining tap These must be located in accessible positions to permit the draining of the whole system. The taps must be at least 15 mm nominal size and manufactured in accordance with BS 2870 1980. 4.8.5 Air release points These must be fitted at all high points where air will naturally collect, and must be sited to facilitate complete filling of the system.
  • Page 14 Installation to an existing central heating This boiler has a secondary ALUMINIUM alloy system heat exchanger Ravenheat recommended only The combination boiler is designed to operate the use of FERNOX- COPAL or SENTINEL on a sealed system only. Therefore if the...
  • 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 WARNING Maximum allowable flue length 2.5 m 5.2.1 The appliance carton containing (Fig 10) maximum No 2x1000 mm a) boiler fully assembled Flue duct extension used with standard flue b) installation instructions and user instructions c) white paper template Polythene bag containing a) 2-22 mm flanged copper tails complete with 3/4”...
  • Page 18 POSITIONING OF THE BOILER 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 19 5.5.2 Locate the rubber Ø 60 into the flue elbow - Cut the inner flue duct (60 mm) at right angles header (Fig 30). to a length equal to W + 264 mm Insert from cut end Reassemble the two tubes Insert 5.5.3 If the standard duct furnished with the boiler is centering spring 65 Must be de-burred...
  • Page 20 5.5.4 Insert the flue assembly into the wall, being 5.5.4 Insert the flue assembly into the wall, being careful to make sure that the outer air duct careful to make sure that the outer air duct comes flush to the inner surface of the wall comes flush to the inner surface of the wall 5.5.5 Lift the boiler on to the wall (Fig 34), locating...
  • Page 21 G = 275 mm straight end. 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 22 5.7.2 Positioning the elbow towards the required - Reassemble the two tubes. direction (Fig. 30). Insert centering spring 65. 5.7.3 Locate the Ø 60 into the elbow (Fig. 30). 5.7.6 Insert the flue assembly into the wall, making sure it will not interfere when fixing the boiler 5.7.5 - If the standard duct furnished with the boiler on the wall.
  • Page 23 Insert plastic expansion Before proceeding with installation check the contents plugs (Fig. 29). of the RAVENHEAT VERTICAL FLUE KIT, comprising - Screw in the two upper coach bolts leaving of the following pieces: them about 10 mm out from the wall to - 1 RAVENHEAT VERTICAL FLUE complete enable the boiler to be located on the wall.
  • Page 24 (37 mbar for propane, 29 mbar for butane). Fit a roof flashing sleeve (7 Fig. 43) to the roof, available from Ravenheat Manufacturing. 5.9.2 Fit gas service cock to the boiler via the union nut and connect gas pipe. Do not overtighten...
  • Page 25 WARNING: If the supply be volt free. cord is damaged, it must be replaced by Factory fitted internal wiring must not be a service engineer (supply cord available from Ravenheat Manufacturing Ltd). disturbed when wiring external controls...
  • Page 26 5.14 PROGRAMMABLE TIMECLOCK - Continue filling the system until 1.5 bar Instructions for use consult User’s Guide. register on gauge. Then turn off the filling points stopcock COMMISSIONING - Inspect the system for water soundness SECTION 6 and remedy any leaks discovered Each boiler has been through a rigorous operational procedure at our factory and SETIING THE SYSTEM DESIGN...
  • Page 27 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...
  • Page 28 10.5 ± 0.5 mbar (4.2 mm spanner (HONEYWELL 7 mm spanner) ± 0.2 in w.g.) for CSI 85 - CSI 85T. wrench to rotate the nut 110 clockwise to LPG check gas pressure inlet (37 mbar increase the pressure and counter-clockwise propane - 29 mbar butane).
  • Page 29 6.13 CHECKING THE FLUE SYSTEM 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 thermostat to ensure the main burner modulates from “high”...
  • Page 30 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 15 - Connection pipe...
  • Page 31 7.2.3 Examine internal pipe-work connections and automatic air vent for any water leaks Ravenheat are a member of the Benchmark initiative and Rectify if necessary fully supports the aims of the programme. Benchmark has instructed to improve the standards of installation 7.2.4...
  • Page 32 7.2.6 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 (Fig. 94) condensate trap for a blockage Any 7.6.5 TO REMOVE/REPLACE CONDENSING...
  • Page 33 7.8.2 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 7.8.4 Remove the fan (sect. 7.6). 7.8.5 Remove condensing heat exchanger (sect. 7.6.5).
  • Page 34 7.10 TO REPLACE THE ELECTRODE (Fig.52B) 7.10.1 Remove front casing (sect 7.3) Remove combustion chamber from cover (sect 7.4)
  • Page 35 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.
  • Page 36 7.14 REMOVE/REPLACE INJECTORS 7.14.1 Remove the front panel of the casing and the combustion chamber front cover (sect. 7.3 & 4). 7.14.2 Unscrew the union (Fig. 70). 7.14.3 Unscrew the 4 screw securing the injector manifold to the burner (Fig. 71). 7.14.4 Pull the manifold up and out from the combustion chamber (Fig.

  • Page 37: Hot Water Control

    7.15 TO REMOVE/REPLACE THE BURNER 7.15.1 Remove the front panel of the casing and the combustion chamber front cover (sect 7.3 & 7.4). 7.15.4 Remove the injectors manifold as described insect. 7.14. 7.15.5 Remove the two screws securing the main burner to the combustion chamber (Fig 74).
  • Page 38 7.19.6 Replace in reverse order. 7.22.3 Replace in reverse order 7.20 TO REMOVE/REPLACE THE MAIN 7.23 REMOVE/REPLACE ELECTRIC SWITCH (Fig. 82). CONTROL AND IGNITION BOARD 7.20 Remove the front panel from the outer casing 7.23.1 Remove the front panel from the outer (sect.
  • Page 39 7.25.3 Close the on/off valves on the heating circuit IMPORTANT: and drain at drain point water from the boiler 7.25.8 Make sure that the arrow that indicates the (Fig. 93). direction of flow aims from the bottom upwards 7.25.4 Remove the wires that connect the pump (fig. 7.25.10 Refill the heating system as described in the 93).
  • Page 40 7.27.5 Undo the nut and withdraw the sensor (Fig. 81) 7.28 REMOVE/REPLACE CENTRAL from is pocket.) HEATING EXPANSION VESSEL In the unlikely event of failure of the central 7.27.6 Replace in reverse order. heating expansion vessel it is recommended a suitable expansion vessel be fitted exter- nal to the boiler.
  • Page 41 7.29.4 Close the on/off valves for the central heating 7.31.6 Replace in reverse order (ensure all electrical circuit and drain the water from the boiler drain connections are made correctly) point (Fig 93). (Fig. 88/A) 7.29.5 Unscerw and remove the plastic cap that 7.32 Replace in reverse order (ensure all electrical) protects the valve vent hole...
  • Page 42 7.33 TO REMOVE / REPLACE D.H.W. HEAT EXCHANGER 7.33.1 Remove the front panel from the outer casing and lower the instrument panel (sect. 7.16.2 & 3) 7.33.2 Close the on/off valve may have to be remove for easier acces. 7.33.4 Unscrew the four nuts that connect the DHW heat exchanger and pull it out from boiler 7.33.5...
  • Page 44 Is fan Running at Maximum speed...
  • Page 47 INSTALLATION iNSTRUCTION TWIN FLUE PIPE (ECCENTRIC FLUE DUCT SYSTEM) 10 - air intake bend 90° 13 - 45° flue exhaust bend 10 - 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 IMPORTANT...
  • Page 48 Locate the sealing washer fixing the twin flue header as illustrated making sure that the ou- tlet spigot Make sure that the screws are satis- factorily located through the gasket seal. Locate the 2 x 80 mm ‘O’ rings in the twin flue header.
  • Page 49 Eccentric vertical terminal 90º slow bend 30001 Available on request from: 45º bend 30003 RAVENHEAT MANUFACTURING LTD Air inlet terminal (plastic) 80 mm 30009 Chartist Way Exhaust terminal (stainless steel) 80 mm 30011 Morley, Leeds, West Yorkshire Pitch roof slate ENGLAND LS27 9ET - U.K.

  • Page 51: D.h.w. Sensor

    RAVENHEAT CSI 85 - CSI 85 CONDENSING FANNED COMBI BOILER SHORT LIST OF SPARE PARTS Ravenheat G.C. Pos. Part. No. Part. No. Description 0014FR006005/2 Instrument panel - TIMER MODEL 0012COM06005/0 E23-712 Main switch 0012POT05010/0 E23-729 D.H.W. / C.H. Potentiometer 0007TER08010/0...

  • Page 52: Pressure Switch

    Ravenheat G.C. Pos. Part. No. Part. No. Description 0001 CAM06010/0 Depression chamber 0012CAN09005/2 Ignition-sensing electrode 001 2CAV08020/0 Cable for spark-sensing electrode 0002SCA06006/0 Condensing heat exchanger 0003UGE03005/0 371297 Nozzle Ø 1,25 for natural gas 62.1 0003UGE01011 /0 E23-755 Nozzle DM 0.75 LPG...
  • Page 53 The code of practice for the installation, commissioning & servicing of gas central heating Installation, Commissioning and Service Record Log Book CUSTOMER DETAILS NAME ADRESS TEL No. IMPORTANT 1. Please keep the Log Book in a safe place for future reference. 2.
  • Page 54 FOR ALL INSTALLATION DOES THE HEATING AND HOT WATER SYSTEM COMPLY WITH THE APPROPRIATE BUILDING REGULATIONS? HAS APPLIANCE AND ASSOCIATED EQUIPMENT BEEN INSTALLED AND COMMISSIONED IN ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS? HAVE YOU DEMONSTRATED THE OPERATION OF THE APPLIANCE AND SYSTEM CONTROLS TO THE CUSTOMER? HAVE YOU LEFT ALL THE MANUFACTURER’S LITERATURE WITH THE CUSTOMER? COMPETENT PERSON’S SIGNATURE CUSTOMER’S SIGNATURE...
  • Page 56 COD 0017LIB06006/0 - 06/2005...

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