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Ravenheat HE 120N, Instructions For Use Installation And Servicingtion And Servicing

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Ravenheat HE 120N Instructions For Use Installation And Servicingtion And Servicing Download Page 5

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

      

5

  

   KEY 

1 - Heat

 exchanger

2 - Heat exchanger for D.H.W.
3 - Burner
4 - Sensing electrode
8 - Condensing trap
9 - Ignition electrode

12 - Gas valve

      
       

15 - Sample point

     17 - Water pressure switch
     18 - Overheat cut-off thermostat
     20 - Gas service cock

                         

21 - Compression ball valves
23 - Safety relief system
24 - Diverter valve

26 - Auto air vent valve
28 - Pressure switch
29 - Circulating pump
30 - Water pressure gauge 

 

36 - Fan
37 - Expansion tank   
38 -  Diverter valve Motor

OPERATING SCHEME

      Fig. 2

Summary of Contents for HE 120N

Page 1: ...AVENHEAT 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 Instructions for Use Installatio...

Page 2: ...Supplied By www heating spares co Tel 0161 620 6677...

Page 3: ...to domestic 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 Prin...

Page 4: ...Fan Supply 3 Ignition Module 4 Fan 5 Ignition electrode 6 Sight glass 7 Main heat exchanger 8 Sample point 9 Circulationpump 10 Autoairventvalve 11 Gas Valve 12 Overheat cut off thermostat 13 Retainin...

Page 5: ...Ignition electrode 12 Gas valve 15 Sample point 17 Water pressure switch 18 Overheat cut off thermostat 20 Gas service cock 21 Compression ball valves 23 Safety relief system 24 Diverter valve 26 Aut...

Page 6: ...also incorporates an anti block system which powers the pump every 24 hours allowing it operate for 2 minutes if the boiler has not been in use This operation may in some cases be heard for a short pe...

Page 7: ...mmanded 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 1a in the Fig 50 in summer position The boiler functi...

Page 8: ...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 P...

Page 9: ...ression isolating valve INLET CONNECTION D H W 15 mm compression isolating valve OUTLET CONNECTION D H W 15 mm copper pipe SAFETY DISCHARGE C H 15 mm copper pipe CONDENSATION DRAIN 3 4 21 5 mm push fi...

Page 10: ...m 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 11: ...ET CONNECTION D H W 15 mm 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 SEA...

Page 12: ...installed in a cupboard SECTION 4 GENERAL REQUIREMENTS 4 1 SAFETY Gas Safety Installation and Use Regulations 1994 and amended 2000 It is law that all gas appliances are installed and serviced by a CO...

Page 13: ...refer to the Institute of Gas Engineers Document IGE UP 7 instead of DM2 If in doubt advice must be sought from the local gas supplier The combination boiler may be installed in any room or internal...

Page 14: ...ion is not required 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...

Page 15: ...el 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 unusually high water content cal...

Page 16: ...ers instructions For further information contact Fernox Manufacturing Co Ltd Tel 01799 550811 Sentinel Division Betz Dearborn Ltd Tel 0151 424 5351 Safety valve setting bar 3 0 Vessel charge pressure...

Page 17: ...WARNING 5 1 1 It is MOST IMPORTANT that this appliance is installed in a VERTICAL POSITION with the flue air duct passing through the wall Make sure flue slopes 2 5 down towards the boiler that is 45...

Page 18: ...UE KIT BOX CONTAINING Fig 12 57 Flue bend assembly 59 Rubber seal 60 60 Air intake duct 61 Flue exhaust duct 62 Terminal 127 Terminal Rubber wall seal Fig 14 Fig 12 WARNING with horizontal concentric...

Page 19: ...rom 60 100 horizontal concentric flue IMPORTANT Please lubricate the internal part of the seals before being fitted 19 OPTIONAL EXTRAS Part No Description 0019PRO11005 0 Flue Extension 60 100 L500 001...

Page 20: ...e end furthest from the terminal cut end must de burred NOTE Add 30mm to overall flue length to allow for cover plate Fig 12 item 127 Extensions must be installed with the widened end of the air intak...

Page 21: ...Securing screw 67 Sample point 127 Terminal Rubber wall seal 128 Elbow header Fig 30 Fig 32 5 5 10 IN LINE FLUE BEND Measure the distance between the flue bends or the flue terminal assembly The measu...

Page 22: ...ide wall for inserting the flue duct Fig 29 5 7 2 Positioning the elbow towards the required direction 5 7 3 Make sure that rubber seal 60 is locate into the elbow 5 7 4 If using horizontal flue duct...

Page 23: ...roceed with installation as detailed in section 5 up to 5 5 8 of the main Installation and Servicing Instruction ignoring all references to horizontal flue installations Use adhesive tape to attach th...

Page 24: ...terminal assembly for vertical flue application Additional 1000 mm approx Flue Extension pieces as necessary Fig 43 Fig 44 Cut a 105 mm diameter hole through the ceiling and or roof at the point previ...

Page 25: ...e the discharge pipe does not restrict access The discharge should terminate facing downward exterior to the building in a position where discharging possibly boiling water steam will not create dange...

Page 26: ...of a least 2 5 away from the boiler Condensate should if possible be discharged into the household internal drainage system If this is not practicable discharge can be allowed into the external house...

Page 27: ...tap in turn Close it only when clear water free of bubbles flows out In the same way release air from any high points in the pipework Continue filling the system until 1 5 bar register on gauge Then...

Page 28: ...he Local Gas supplier if the pressure differ significabntly from 20 mbar G20 natural gas 37 mbar G31 propane and 29 mbar G30 butane IMPORTANT The Gas Valve Throttle adjuster is required to be sealed w...

Page 29: ...in 0 61 gals min 6 13 HANDING OVER TO THE USER 6 13 1 After completion of installation and commissioning of the system the installer should hand over to the Householder by taking the following actions...

Page 30: ...NCE 7 2 1 Before carrying out cleaning operation cover the electrical control panel with a piece of waterproof material to protect it from debris 7 2 2 Drop down the control panel into the service pos...

Page 31: ...s must be carried out by a competent person 8 1 2 Before replacing any parts the boiler should be isolated from the mains electric supply and the gas should be turned off at the service cock on the bo...

Page 32: ...efully from the combustion chamber cover being careful not to damage the seal 8 3 4 Replace with new electrode in reverse order Ensure gap is correct and there is a good seal when replaced 8 4 TO REMO...

Page 33: ...oiler CH circuit and drain the DHW circuit 8 6 4 Remove the clip securing the condense pipe out of the bottom of the heat exchanger and pull for to remove the pipe 8 6 5 Remove the clips securing the...

Page 34: ...inlet 8 8 4 Remove the electrical plug from the gas control valve Check the position of the gas valve on the fan Fig 58 8 9 TO REMOVE REPLACE COMBUSTION CHAMBER FRONT INSULATION Fig 60 8 9 1 Remove f...

Page 35: ...er and pull it out from the boiler 8 13 4 If necessary the pipes from the flow manifold may have to be remove for easier access 8 13 5 Replace in reverse order NOTE Always use new O rings 35 8 12 TO R...

Page 36: ...robe and expansion vessel pipe to the pump 8 16 6 Unscrew the nut at the expansion vessel and remove the pipe 8 16 7 Unscrew the nut that fastens the pump to the CH pipe and remove the pump 8 16 8 Rep...

Page 37: ...er and check for leak NOTE Fit a new O ring 8 21 TO REMOVE REPLACE LOW WATER PRESSURE SWITCH Fig 64A 8 21 1 Remove front casing sect 8 1 4 8 21 2 Close the on off valves for central Heating circuit an...

Page 38: ...ROL BOARD Fig 65 8 24 1 Remove front casing sect 8 1 4 and lower the instrument panel 8 24 2 Remove control board box cover sect 8 13 1 8 24 3 Detach the connectors from the board 8 24 4 Detach the PC...

Page 39: ...e lower panel of the case 8 28 2 Close the heating system on off valves and drain the water from the drain point on the heating system 8 28 3 Remove the retaining clip that secures the pressure gauge...

Page 40: ...switch Replace summer winter switch Check Replace Timeclock if OK Replace control board No Yes No Is the burner LCD illuminate on digital display Yes No Is 17 displayed Yes FAILED FAN SEQUENCE Check...

Page 41: ...icroswitch on shunt valve being operate mechanically Check Replace diverter valve No Yes Yes No Yes No Does the burner LCD illuminate on digital display Yes No Yes FAILED DHW SENSOR Check Replace DHW...

Page 42: ...Supplied By www heating spares co Tel 0161 620 6677 SECTION 10 ELECTRICAL SYSTEM DIAGRAM CASE OFF CASE OFF CASE OFF 42 Fig 94...

Page 43: ...sect 4 6 Figures show the versatility of this flueing system Measurements and bends must be calculated correctly so as not to oversize maximum flue lengths All located O rings must be lubricated with...

Page 44: ...oof suction from vertical wall Fig 96 Maximum distance D L L1 40 5 metre Terminal Minimum total length 2 metre NOTE Exhaust flue must slope 2 down towards the boiler 35 mm fall per metre Exhaust sucti...

Page 45: ...sion piece and an inline 135 90 flue bend Fig 99 Part No Description 0019PRO11030 0 Flue Extension 80 125 L1000 0019PRO11025 0 Flue Extension 80 125 L500 0019RID11005 0 125 80 to 100 60 Flue reducer 0...

Page 46: ...Supplied By www heating spares co Tel 0161 620 6677 SECTION 12 SPARE PARTS 46 24 15 16 17 10 21 22 9 28 25 12 14 11 13 18 30 1 3 19 27 29 26 31 23 8 33 32 7 4 2 20 6 4 41 42 43 44...

Page 47: ...L11015 0 Dungs Gas control valve CSI 150 11 0012CAN11005 0 Ignition electrode 12 0012CAN11010 0 Sensing electrode 13 0012CAV11005 0 Cable for Spark electrode 14 0002SCA11010 0 Cable for Sensing electr...

Page 48: ...l fuse 315mA 33 0012FUS01015 0 Internal fuse 3 15A 34 0013ORI11030 0 DHW Heat exchanger O ring 35 0013ORI11005 0 Valv gas Mixer O ring 36 0013ORI11010 0 Pump Manifold O ring 37 0013ORI11015 0 Pump pre...

Page 49: ...ts Way Morley Leeds LS27 9ET Telephone 0044 0 113 252 7007 Tfax 0044 0 113 238 0229 Website www ravenheat co uk E mail sales ravenheat co uk Ravenheat reserves the right to make changes and improvemen...

Page 50: ...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 51: ...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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