Ravenheat HE 85 A Installation And Servicing Instruction Download

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Supplied By www.heating spares.co Tel. 0161 620 6677

HE 85 A (T)

Summary of Contents for HE 85 A

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

Page 2: ...mestic hot water Highly reliable diverter valve with ethylene propylene diaphragm permitting primary flow circulation in the boiler during domestic hot water supply Built in frost protection Printed c...

Page 3: ...at exchanger 2 Heat exchanger for D H W water 3 Burner 4 Sensing electrode 6 Condensing heat exchanger 9 Ignition electrode 11 Frame 12 Modulating gas valve 15 Heating control 22 Overheat cut off ther...

Page 4: ...e 10 Condensate sensor 12 Modulatinggasvalve 15 Heatingcontrolpotentiometer 16 Hotwatercontrolpotentiometer 17 Waterpressureswitch 18 Overheatcut offthermostat 20 Gasservicecock 21 Compressionballvalv...

Page 5: ...th a demand for heat to supply radiators 6 etc with heating circuit fully so as to operate the low water sensor device the boiler will start in the same way as domestic hot water mode but with slightl...

Page 6: ...nded by the D H W thermostat 2 4 4 When D H W is no longer called for the boiler automatically returns to the central heating mode 2 4 5 Switch 33 in the summer position The boilerfunctionslikeanautom...

Page 7: ...copper pipe SAFETY DISCHARGE C H 15 mm copper pipe CONDENSATION DRAIN 3 4 21 5 mm push fit over flow MAX COLD WATER CAPACITY WITHOUT ADDITIONAL EXPANSION VESSEL 110 LITRE SEALED WATER SYSTEM C H MAX...

Page 8: ...CONNECTION D H W 15 mm compression isolating valve OUTLET CONNECTION D H W 15 mm compression SAFETY DISCHARGE C H 15 mm copper pipe CONDENSATION DRAIN 3 4 21 5 mm push fit over flow MAX COLD WATER CAP...

Page 9: ...hen installed in a cupboard SECTION 4 GENERAL REQUIREMENTS 4 0 1 SAFETY Gas Safety Installation and Use Regulations 1994 and amended 2000 It is law that all gas appliances are installed and serviced b...

Page 10: ...Installation pipes should be fitted in accordance with BS 6891 Pipework from the meter to the boiler must be of adequate size 22 mm min To within at least 3 metre of the boiler 15 mm min can then be u...

Page 11: ...equired 4 8 WATER CIRCULATION central heating 4 8 1 Detailed recommendations are given in BS 6798 1987 5449 1990 for smallbore and microbore central heating systems The following notes are given for g...

Page 12: ...al sealed expansion vessel to accommodate the increase of water volume when the system is heated It can accept up to 6 Its of expansion water If the appliance is connected to a system with an unusuall...

Page 13: ...ater treatment products which must be used in accordance with the manufacturers instructions For further information contact Fernox Manufacturing Co Ltd Tel 01799 550811 Sentinel Division Betz Dearbor...

Page 14: ...ce must be carried out by a competent person and be in accordance with the current I E E Regulations and local regulations which apply The Ravenheat boiler is supplied for connection to a 230 V 50 Hz...

Page 15: ...wall plugs screws and dowels Separate Box containing Fig 12 Horizontal HE flue kit 56 Flue gas assembly 57 Flue bend assembly 59 Rubber seal 60 60 Air intake duct 61 Flue exhaust duct 62 Terminal 65...

Page 16: ...Supplied By www heating spares co Tel 0161 620 6677 17...

Page 17: ...wards the top of the appliance to release them from their upper suspension hooks Fig 26 27 5 4 6 Make sure the casing and screws are put to one side in a safe place 5 5 INSTALLING THE APPLIANCE FOR RE...

Page 18: ...l Cut the outer flue duct at right angles to a length equal to W 152 mm Must be de burred Cut the inner flue duct 60 mm at right angles to a length equal to W 264 mm Insert from cut end Reassemble the...

Page 19: ...the two lower coach bolts and tighten all four securing bolts 5 5 6 Working above the boiler pull the flue exhaust duct towards the boiler in order to engage tube 61 into its header 57A Position flue...

Page 20: ...able 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 fl...

Page 21: ...mm dia at right angles and to a length equal to W Y 65 mm Outer air duct and inner flue duct must be de burred Reassemble the two tubes Insert centering spring 65 5 7 6 Insert the flue assembly into...

Page 22: ...eces 1 RAVENHEAT VERTICAL FLUE complete with terminal assembly for vertical flue application Additional 1000 mm approx Flue Extension pieces as necessary each extension is provided with flue centering...

Page 23: ...ube making sure the seal rings are correctly located Fig 44 Make sure that the entire flue is adequately supported Use at least one bracket for each extension used Ensure that all inner flue connectio...

Page 24: ...cal components or wiring The discharge must not be over an entrance or a window or any other type of access 5 13 ELECTRICAL CONNECTIONS 5 13 1 IMPORTANT Electricity supply must be as specified in clau...

Page 25: ...stopcock at the filling point connection to the central heating system until water is heard to flow Starting with the lowest radiator open each air release tap in turn Close it only when clear water f...

Page 26: ...spares co Tel 0161 620 6677 KEY 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 El...

Page 27: ...NG MINIMUM AND MAXIMUM PRESSURE Fig 51 SIT HONEYWELL DUNGS GAS VALVE Remove cap covering modulator to gas valve Detach one of the cables connected to the modulator 114 With the boiler operating use a...

Page 28: ...differential pressure 2 8 Lts min 0 61 gals min The temperature of the water will depend on the rate at which it flows If due to high water pressure the flow rate is too high and thus the temperature...

Page 29: ...e gas exhaust hood 15 Connection pipe 18 Heat exchanger 24 Burner 27 Auto air vent valve 28 Pressure switch 29 Seal 31 Seal 42 Sight glass 44 Fan 46 Header gasket 50 Flue gas exhaust hood cover 53 Con...

Page 30: ...ntervals The frequency of cleaning will depend upon the particular installation conditions and usage but in general once year should be adequate WARNING Before the start of any servicing or replacemen...

Page 31: ...6 2 Disconnect the electrical connections from the fan motor 7 6 4 Support the fan and remove the two fixing screws and bracket from the front of the flue hood Carefully withdraw from condensing heat...

Page 32: ...n panels at top of heat exchanger Fig 63 7 8 12 Pull the heat exchanger up until its flow connections come out from the combustion chamber and then remove it Fig 64 7 8 13 Replace in reverse order Ens...

Page 33: ...Supplied By www heating spares co Tel 0161 620 6677 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 34: ...www heating spares co Tel 0161 620 6677 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 r...

Page 35: ...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 72 7 14 5 Unscrew and repla...

Page 36: ...7 16 2 Push the 2 clips that fasten the instrument panel Fig 23 7 16 3 Lift the instrument panel to detach it from the sides and lower it down by rotating it on its own hinges Fig 25 7 16 4 Pull the...

Page 37: ...be reconnected to the same poles Fig 94 7 22 3 Replace in reverse order 7 23 TO REMOVE REPLACE THE ELECTRIC CONTROL AND IGNITION BOARD 7 23 1 Remove the front panel from the outer casing sect 7 3 and...

Page 38: ...point Fig 93 and drain hot water from the lowest hot water tap and drain point on DHW inlet cock Fig 46 7 26 4 Unscrew the five nuts that connect the diverter valve and pull it out from boiler being c...

Page 39: ...ter central heating and gas supply 7 28 3 Drain domestic water from the lowest hot wa ter tap and drain point on DHW inlet cock Fig 46 7 28 4 Drain the boiler Fig 93 7 28 5 Disconnect all pipework con...

Page 40: ...ove right side of the casing sect 5 4 5 7 30 2 Close the on off valves for the heating system and drain the water from the drain point 7 30 3 Unscrew the screw from its body clean or replace Replace i...

Page 41: ...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 46 7 33 4 Unscrew the four nuts that connect the DHW heat exchang...

Page 42: ...Supplied By www heating spares co Tel 0161 620 6677 43...

Page 43: ...Supplied By www heating spares co Tel 0161 620 6677 Is fan Running at Maximum speed 44...

Page 44: ...Supplied By www heating spares co Tel 0161 620 6677 45...

Page 45: ...Supplied By www heating spares co Tel 0161 620 6677 46...

Page 46: ...a F1 orifice plate along with supplementary depression seal Before fixing the twin flue system the existing orifice plate must be replaced with F1 also ensuring supplementary seal has been fitted Rem...

Page 47: ...ust slope 2 down towards the boiler 35 mm fall per metre Spacing Clips Spacing Clips are available on request should they be required NOTE for eccentric vertical flue a 125 mm 5 in diameter flashing p...

Page 48: ...NOTE The pressure loss for each elbow fitted is 90 slow bend less 3 metre of pipe for each one fitted 45 bend less 1 5 metre of pipe for each one fitted IMPORTANT inlet and exhaust terminals must ne...

Page 49: ...Supplied By www heating spares co Tel 0161 620 6677 15 50...

Page 50: ...ht glass 11 0010TUB05041 0 Depression chamber gas pipe 13 0001CAP06005 0 E23 733 Flue gas exhaust hood 15 0012CIR06010 0 Fan Control Board 16 0012CIR05010 2 Printed ignition control board 17 0014MAN06...

Page 51: ...ow water pressure switch 80 0009CIR01011 1 Circulation pump 82 0011COL01005 2 Brass manifold 83 0008VAL01018 1 Safety relief valve 3 bar 87 5021312 372875 Nylon tubes from pressure switch 89 0005PRE06...

Page 52: ...Supplied By www heating spares co Tel 0161 620 6677 COD 0017LIB06007 1 10 2006...

Page 53: ...FOR ALL BOILERS YES NO YES NO CONTROLS To comply with the Building Regulations each section must have a tick in one or other of the boxes REQUIREMENT MEASURES PROVIDED 1 TIME AND TEMPERATURE CONTROL T...

Page 54: ...TE ENGINEER NAME COMPANY NAME TEL No CORGI ID SERIAL No COMMENTS SIGNATURE SERVICE 4 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID SERIAL No COMMENTS SIGNATURE SERVICE 2 DATE ENGINEER NAME COMPANY N...

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Ravenheat HE 85 A, Installation And Servicing Instruction

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