1. Manuals
  2. Brands
  3. Ravenheat Manuals
  4. Boiler
  5. HE 85 A
  6. Installation and servicing instruction

Ravenheat HE 85 A Installation And Servicing Instruction

Condensing fanned combi
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
HE 85 A (T)
Supplied By www.heating spares.co Tel. 0161 620 6677

Advertisement

Table of Contents
loading

Related Manuals for Ravenheat HE 85 A

Summary of Contents for Ravenheat HE 85 A

  • Page 1 HE 85 A (T) Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 2: Major Components

    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 SECTIONS PAGE INTRODUCTION DESIGN PRINCIPLES AND OPERATING SEQUENCE TECNICAL DATA GENERAL REQUIREMENTS INSTALLATION COMMISSIONING SERVICING INSTRUCTIONS FAULT FINDING ELECTRICAL SYSTEM DIAGRAM EXPLODED PARTS DIAGRAM LIST OF SPARE PARTS 1 - Heat exchanger 16 - Hot water control 34 - C.H.
  • Page 4 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 5: Section 1 Introduction

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

  • Page 6: Safety Device

    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 7 TECHNICAL DATA SECTION 3 HE 85 A (T) 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 8 TECHNICAL DATA SECTION 3 HE 85 A (T) 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 9: Section 4 General Requirements

    LOCATION OF BOILER concerning installation requirements. If you need advice on any points your Ravenheat 4.2.1 Siting of Ravenheat HE 85 Combi Boiler must be as follows. Technical Services Office would be pleased to help. It is recommended that tools suitable for...

  • Page 10: Important Notice

    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 Guide for Gas Installations in Timber Frame 4.6.1 The terminal should be located where dispersal...

  • Page 11: Air Supply

    Terminal position for fan assisted boiler WATER CIRCULATION (central heating) (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 C - Below eaves and microbore central heating systems).
  • Page 12 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 13: Water Treatment

    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 14: Domestic Water

    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 15: Optional Extras

    DELIVERY WARNING Maximum allowable fl ue 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 fl ue b) installation instructions and user instructions c) white paper template Polythene bag containing a) 2-22 mm fl...
  • Page 16 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 17 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 18 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 5.5.3 If the standard duct furnished with the boiler is Insert centering spring 65 Must be de-burred...
  • Page 19 5.5.4 Insert the flue assembly into the wall, being 5.5.8 Fit terminal cover plate and terminal guard careful to make sure that the outer air duct (Fig. 36-37)) comes flush to the inner surface of the wall. 5.5.9 Extensions kits are available on order for flue 5.5.5 Lift the boiler on to the wall (Fig 34), locating extension of up to2.5 metres total length...
  • Page 20 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 21 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 22 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 enable the boiler to be located on the wall.

  • Page 23: Gas Connection

    (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 24: Safety Valve Discharge

    WARNING: If the supply cord is damaged, Factory fitted internal wiring must not be it must be replaced by a service engineer disturbed when wiring external controls (supply cord available from Ravenheat Manufacturing Ltd). Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 25: Section 6 Commissioning

    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 SETTING THE SYSTEM DESIGN...
  • Page 26 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 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 27 - Turn control thermostat 4 up to its maximum 6.10 ADJUSTING MINIMUM AND MAXIMUM PRESSURE (Fig. 51) setting. - 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 28: Checking The Flue System

    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 29 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 30: Handing Over To The User

    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 31 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 deposits should be flushed out (Fig.
  • Page 32 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 33 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) Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 34 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. Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 35 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 36 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 37 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 38 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. 93).
  • Page 39 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 40 7.29.4 Close the on/off valves for the central heating 7.31.6 Replace in reverse order (ensure all electrical connections are made correctly) circuit and drain the water from the boiler drain 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 41 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 valves for the heating circuit and the hot water circuit. Drain the boiler (Fig. 93) and drain hot water from the lowest hot water tap and drain point on DHW inlet cock (Fig.
  • Page 42 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 43 Is fan Running at Maximum speed Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 44 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 45 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 46 INSTALLATION INSTRUCTION TWIN FLUE PIPE (ECCENTRIC FLUE DUCT SYSTEM) 10 - air intake bend 90° 13 - 45° fl ue exhaust bend 10 - fl ue exhaust bend 90° 14 - fl ue exhaust duct 11 - air inlet terminal 14 - air intake duct 12 - fl...
  • Page 47 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 satis- factorily located through the gasket seal. Locate the 2 x 80 mm ‘O’...

  • Page 48: Item Description

    90º slow bend 30001 45º bend 30003 Available on request from: Air inlet terminal (plastic) 80 mm 30009 RAVENHEAT MANUFACTURING LTD Exhaust terminal (stainless steel) 80 mm 30011 Chartist Way Pitch roof slate Morley, Leeds, West Yorkshire Flat roof slate ENGLAND LS27 9ET - U.K.
  • Page 49 Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 50: Short List Of Spare Parts

    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 51 Ravenheat G.C. Pos. Part. No. Part. No. Description 0001CAM06010/0 Depression chamber 0012CAN09005/2 Ignition-sensing electrode 0012CAV08020/0 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 0001TEL08005/0...
  • Page 52 COD 0017LIB06007/1 - 10/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • 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 ADDRESS TEL No. IMPORTANT 1. Please keep the Log Book in a safe place for future reference. 2.

  • Page 54: For Condensing Boilers Only

    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:

He 85 a t

Table of Contents