Ravenheat CSI 85, Installation And Servicing Instructions

Page 1: ...gdom Water Fitting Byelaws Scheme WITH TIMER NATURAL GAS G 20 I2H G C N0 47 581 20 LPG G 30 G 31 I3 G C N 0 47 581 24 INSTALLATION AND SERVICING INSTRUCTIONS TO BE LEFT WITH USER Technical and illustr...

Page 2: ...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 Printe...

Page 3: ...or D H W water 3 Burner 4 Ignition pilot burner 6 Condensing heat exchanger 7 Ignition board 9 ignition electrode 11 Frame 12 Modulating gas valve 15 Heating control 16 Hot water control 17 D H W sens...

Page 4: ...12 Modulating gas valve 26 Auto air vent valve 15 Heating control potentiometer 16 Hot water control potentiometer 27 Pressure switch giving priority 28 Pressure switch 17 Water pressure switch 18 Ov...

Page 5: ...tial heating requirements between domestic hot water tap is turned on the boiler maximum and minimum settings will function in the following sequence 2 3 2 Air is drawn by the fan for combustion 2 2 1...

Page 6: ...at 2 4 5 3 1 OVERALL DIMENSION 3 1 2 When D H W is no longer called for the boil er automatically returns to the central heat ing mode Switch 33 in the summer position The boiler functions like an aut...

Page 7: ...TLET 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 S...

Page 8: ...D H W OUTLET CONNECTION D H W 112 RC 22 mm compression isolating valve 22 mm compression isolating valve 15 mm compression isolating valve 15 mm copper pipe SAFETY DISCHARGE C H 15 mm copper pipe COND...

Page 9: ...ding 60 kW BS 5440 2 Ventilation for gas appliances of rated input not exceeding 60 kW DD 189 1990 Discharge of condensate Health Safety Document No 635 The Electricity at Work Regulations 1989 The ma...

Page 10: ...es 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 b...

Page 11: ...189 1990 The drain outlet on the boiler is standard 3 4 21 5 mm push fit overflow pipe NOTE Condensate drain pipework must never be less than 15 mm Important any external runs must be car ried out in...

Page 12: ...ormal operation of the system if automatic water make up is required Booster pump method Fig 8 The system may be filled through a self con tained unit comprising of a cistern pressure booster pump if...

Page 13: ...Where fitting a make up vessel would be difficult re pressurisation of the system can be done See section on FILLING If the capacity of the central heating system should exceed 110 litres an additiona...

Page 14: ...petent person and be in accordance with the current 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 supp...

Page 15: ...mplete with 1 2 brass nuts and washers 2 22 mm flanged copper tails complete with 3 4 brass nuts and washers Box 2 of 2 containing Fig 12 Horizontal CSI flue kit 56 Flue gas sample point 57 Flue bend...

Page 16: ...5 3 Fig 15 1 Open the top of the carton Fig 16 2 Rest the carton on the floor keeping the flaps open Fig 18 4 Rest the boiler on the floor and remove the polystyrene guards Fig 19 1 7...

Page 17: ...the appliance to release them from their upper suspension hooks Fig 26 27 Fig 25 Make sure the casing and screws are put to one side in a safe place INSTALLING THE APPLIANCE FOR REAR FLUE OUTLET Fig 2...

Page 18: ...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 two tubes Insert centering spring 65 Must be de burre...

Page 19: ...ng bolts Working above the boiler pull the flue exhaust duct towards the boiler in order to engage tube 61 into its header 57A Position flue into elbow header and push so as to locate inner and outer...

Page 20: ...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 INLINE FLUE BEND Meas...

Page 21: ...ht angles and to a length equal to W Y 47 mm Fig 32 Cut the inner flue duct 60 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 5 7 12 VER...

Page 22: ...pplication Additional 1000 mm approx Flue Extension pieces as necessary each extension is provided with inlet and outlet sealing rings and flue centering bracket One box containing straight header wit...

Page 23: ...ocated 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 connections have a good fit seal and that the space cli...

Page 24: ...ts or wiring The discharge must not be over an entrance or a window or any other type of access ELECTRICAL CONNECTIONS IMPORTANT Electricity supply must be as specified in clause sect 4 10 When contro...

Page 25: ...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 free of bubbles flows out In t...

Page 26: ...27...

Page 27: ...528 and envelop the spark electrode tip 6 10 6 11 6 12 ADJUSTING MINIMUM AND MAXIMUM PRESSURE Fig 51 SIT HONEYWELL GAS VALVE Remove cap covering modulator to gas valve Detach one of the cables connec...

Page 28: ...ferential 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 too...

Page 29: ...on pipe 18 Heat exchanger 24 Main burner 25 Pilot burner 27 Auto air vent valve 28 Pressure switch 29 Seal 31 Seal 37 Window seal 42 Window clamp ring 44 Fan 46 Header gasket 50 Flue gas exhaust hood...

Page 30: ...epend upon the particular installation conditions and usage but in general once year should be adequate 7 2 7 2 1 7 2 2 7 2 3 7 2 4 7 2 5 7 2 5 1 Before the start of any servicing or replacement of co...

Page 31: ...TO REMOVE REPLACE THE FAN nt cover the fan motor from Support the fan and remove the two fixing screws and bracket from the front of the flue hood Carefully withdraw from condensing heat 7 6 5 TO REM...

Page 32: ...63 7 812 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 Ensure correct wire position Fig 94 IMPOR...

Page 33: ...7 10 7 10 1 TO REPLACE THE ELECTRODE Fig 66 Remove front casing sect 7 3 Remove combustion chamber front cover sect 7 4 Fig 56 Fig 60 TAKE OFF Fig 62...

Page 34: ...ont cover sect 7 3 7 4 Remove the lower grating sect 5 4 2 Fig 21 Release the fitting that secures pilot pipe at the gas valve Remove electrode sect 7 10 Unscrew pilot connection from pilot burner Pul...

Page 35: ...ner assembly as described in sect 7 13 Unscrew the union Fig 70 Unscrew the 4 screws securing the injector manifold to the burner Fig 71 Pull the manifold up and out from the combustion chamber Fig 72...

Page 36: ...asten the instrument panel Fig 23 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 2 wires from the Modulator Remove the...

Page 37: ...ve the three wires that connect to the overheat thermostat making sure that these wires will subsequently be reconnected to the same poles Fig 94 7 25 1 Remove the split pin and pull the thermostat se...

Page 38: ...2 Close the on off valves for the heating circuit and the hot water circuit Drain the boiler at drain point Fig 93 and drain hot water from the lowest hot water tap and drain point on DHW inlet cock...

Page 39: ...ve the two sides of the casing sect 5 4 5 Close the on off valve on the domestic cold water central heating and gas supply Drain domestic water from the lowest hot water tap and drain point on DHW inl...

Page 40: ...93 Unscrew the screw from its body clean or replace Replace in reverse order Fill the system as described in the sect 6 4 6 5 and check for leaks TO REMOVE REPLACE TIME CLOCK Fig 88 A Remove the front...

Page 41: ...nd drain hot water from the lowest hot water tap and drain point on DHW inlet cock Fig 46 Unscrew the four nuts that connect the DHW heat exchanger and pull it out from boiler If necessary the pipes f...

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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 45...

Page 45: ...SECTION 9 ELECTRICAL SYSTEM DIAGRAM Fig 94 46...

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Page 49: ...end 90o 14 flue exhaust duct 11 air inlet terminal 14 air intake duct 12 flue exhaust terminal 15 two way flue gas header 13 45o air intake bend 16 vertical eccentric flue exhaust duct Supplied with t...

Page 50: ...clips are available on request should they be required NOTE for eccentric vertical flue a 125 mm 5 in diameter flashing plate will be required 135 M F bend consisting of 135 elbow with 0 ring side F 8...

Page 51: ...exhaust inlet pipe 18 metre Minimum distance D I E 1 5 metre Min inlet pipe distance 0 5 metre Min distance between pipe 50 mm NOTE The pressure loss for each elbow fitted is 90o slow bend less 3 met...

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Page 53: ...9 371267 E23 732 E23 730 372842 E23 715 371268 E23 716 E23 733 372845 E23 718 E24 630 372849 173100 372 866 372894 E23 731 E23 735 371271 372888 372851 372867 173101 378864 E23 737 E23 738 E23 720 372...

Page 54: ...895 371273 371310 372896 371274 372874 372897 E23 724 372875 E24 629 E23 750 E23 751 E23 752 Description Depression chamber Nozzle 0 27 for natural gas Nozzle DM 0 22x1 LPG Ignition electrode Cable f...

Page 55: ...Chartists Way Morley Leeds LS27 9ET Telephone 0113 252 7007 Tfax 0113 238 0229...