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

Servicing Instructions
Type C Boilers
G.C.N:

41-116-01
47-116-08
47-116-09
47-116-13

LEAVE THESE  INSTRUCTIONS
ADJACENT TO THE  GAS  METER

Содержание GENUS 41-116-01

Страница 1: ...Supplied By www heating spares co Tel 0161 620 6677 Servicing Instructions Type C Boilers G C N 41 116 01 47 116 08 47 116 09 47 116 13 LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER...

Страница 2: ...Tandem Gas Valve 13 Removing the Gas Valve 14 1 5 Access to the Hydraulic Circuit Removing the D H W Secondary Exchanger 14 Removing the Safety Valve 15 Removing the Automatic Air Vent 15 Removing th...

Страница 3: ...oosen the two screws A located on the bottom part of the boiler until the first thread on the screws appears Fig 1 1 2 Lift the front panel up until it stops with a click and remove the front panel fr...

Страница 4: ...o Tel 0161 620 6677 4 B005 Removing the bottom cover 1 Remove the screws B Removing the side panels 1 Remove the screws C 2 Pull the panel away from the boiler then lift the panel up and away from the...

Страница 5: ...urner see fig 1 10 4 Remove the injectors using a No 7 socket spanner 5 Replace in reverse order Removing the burner and the injectors 5 B005 Removing the sealed chamber frontal cover 1 3 Access to th...

Страница 6: ...5 Remove screw H using a Philips No 2 star tip screwdriver see fig 1 14 6 Slide the electrode gently downward see fig 1 15 To replace repeat the steps in reverse order paying particular attention to t...

Страница 7: ...the sealed chamber see fig 1 19 Use a No 2 star tip screwdriver to remove the switch from the plate Fig 1 19 Fig 1 18 7 B005 1 Drain the boiler of water 2 Release the two connection nuts I connecting...

Страница 8: ...ri see fig 1 21 Removing the venturi device 1 Disconnect electrical connections and remove screws O using a No 2 star tipped screwdriver see fig 1 22 2 Pull fan to the right and forward and remove see...

Страница 9: ...Supplied By www heating spares co Tel 0161 620 6677 9 B005 1 4 Servicing and Removal of the Gas Valve 1 2 3 4 A B C E F D SIT TANDEM SIT SIGMA 1 2 3 4 A B C E F D...

Страница 10: ...he minimum power see table A page 11 6 When you have completed the above operations turn off the hot water tap re connect the supply terminal to the modureg on the gas valve and replace the cap on the...

Страница 11: ...61 620 6677 11 B005 model 23 model 27 Regulating the heating power for natural gas G20 model 23 model 27 Regulating the heating power for butane gas G30 model 23 model 27 34 36 38 40 Regulating the he...

Страница 12: ...eating control and is situated on the P C B see the electrical diagrams By adjusting the potentiometer it is possible to change the time interval between the burner shutting down and its next ignition...

Страница 13: ...5 Removing the spark generator SIT Tandem gas valve 1 Disconnect ignition leads Q1 by pulling upwards see fig 1 28 2 Remove the screws R1 see fig 1 29 with a Pozidrive No 2 star tip screwdriver 3 Remo...

Страница 14: ...gas valve pipe see fig 1 32 Attention The gas valve is connected with the two pipes as shown with an O ring connection U Important Before any component is removed the boiler must be drained of all wat...

Страница 15: ...see fig 1 36 2 Remove the valve Removing the automatic air vent 1 Unscrew valve W see fig 1 37 Removing the main circuit flow switch 1 Remove the cable of the main circuit flow switch Y 2 Remove the...

Страница 16: ...Release the nuts A1 and remove the pump see fig 1 40 Removing the pressure gauge 1 Remove the pressure gauge cover by pulling see fig 1 41 2 Release coupling A2 using a 14 mm open ended spanner see fi...

Страница 17: ...rmostat 1 Remove the electrical connector by the overheat thermostat see fig 1 47 2 Pull off the thermostat connections Then remove the thermostat from the pipe by releasing it s securing clip Removin...

Страница 18: ...e sensor N T C 1 Remove the electrical connector by pulling off the thermostat connection and unscrew the sensor probe with a 14 mm open ended spanner see fig 1 49 Fig 1 49 Removing the diverter valve...

Страница 19: ...ection cover see fig 1 53 2 Remove electrical connection A5 of the clock see fig 1 54 3 Unscrew A6 and remove see fig 1 55 Fig 1 51 Fig 1 52 Fig 1 53 Fig 1 49 Fig 1 50 A5 A5 A6 A6 N B It is possible t...

Страница 20: ...ssure gauge cover 5 Remove the mounting screws A7 see fig 1 51 6 Disconnect the connection cable A8 see fig 1 52 7 To remove the 24V P C B remove the electrical plug connectors and screws A9 see fig 1...

Страница 21: ...2 Checkthepower supplycord plugand outlet 3 Check replacethepower supplyP C B Pressthe On Off Button FOR BOILERS EQUIPPED WITHAN ELECTRONIC ANT FREEZE SYSTEM HAS THE SAFETY BEEN TRIGGERED TO ACTIVATE...

Страница 22: ...40sec 1 Checkforairin the system 2 Checkthepressureswitch foractivatingpump 3 Check replacepressure gaugeandrefill the thesystemproperly 1 Turn theboileroff andthen backon again safetyreset 1 Checkto...

Страница 23: ...C B wire 4 Check replacepower supplyP C B 5 Check replacecontrol P C B 1 pressureswitch wiring 2 Checkwhetherreset button isstuck 3 detection electrode Check replaceair Check replaceflame 1 2 3 Check...

Страница 24: ...in the flame 2 Check theelectrode 3 Check thepower P C B 4 Check thecontrol P C B 1 Checksupplyofgasto gas valve 2 CheckpowersupplyP C B 3 Checkcontrol P C B 4 Checkfunctionalityofthe gas valve Shutd...

Страница 25: ...secondary exchanger Primaryexchangerisdefective Low waterpressurein heatingsystem Checkgassettingsandregulation Checkntc sensorfordomestic hot water Checkforleaksin heatingcircuit Defectivewatersuppl...

Страница 26: ...aulty main circuit flow switch Faulty flame detection Faulty overheat thermostat Faulty exhaust fumes sensor Faulty heating sensor N T C Faulty D H W sensor N T C A b C d E F G I m 1 2 3 4 5 6 2 2 Fau...

Страница 27: ...stment P Time Clock Connection Q On Off L E D R On Off Switch S Interface Wire for P C B s T Relay Motorised Valve U Ignitor Relay V Gas Valve Relay W Fan Relay X Circulation Pump Relay Y Selector TCS...

Страница 28: ...Supplied By www heating spares co Tel 0161 620 6677 28 B005 Aa Aa GENUS 23 27 30 MFFI GENUS 27 RFFI SYSTEM...

Страница 29: ...Supplied By www heating spares co Tel 0161 620 6677 29 B005 CN202 P P GENUS 23 27 MFFI GENUS 27 RFFI SYSTEM...

Страница 30: ...21 104 108 81 65 63 66 65 68 69 63 70 74 74 62 64 74 124 71 119 73 10 61 72 79 45 44 44 114 53 112 48 49 50 113 111 47 48 51 51 52 46 44 101 115 5 94 100 98 99 98 96 106 14 43 18 302 303 304 306 301 3...

Страница 31: ...2 105 109 82 66 64 67 66 69 70 64 71 75 75 63 65 75 125 72 120 74 10 62 73 80 46 45 45 115 54 113 49 50 51 114 112 48 49 52 52 53 47 45 102 116 5 95 101 99 100 99 97 107 44 18 302 303 304 306 301 301...

Страница 32: ...8 67 70 71 65 72 76 76 64 66 76 119 73 114 75 10 63 74 81 47 46 46 109 55 107 50 51 52 108 106 49 50 53 53 54 48 46 96 110 5 95 93 94 93 86 85 87 86 11 88 101 14 45 302 303 304 306 301 301 16 11 24 89...

Страница 33: ...thermostat Main flow Switch Temp probe C H W Microswitch for 3 way main flow group Gasket 1 2 Manual vent cock Safety valve 3 bar 1 2 Pressure gauge Time clock P C B E C MI FFI P C B EI A MFFI P C B...

Страница 34: ...stat Main flow Switch Temp probe C H W Microswitch for 3 way main flow group Gasket 1 2 Manual vent cock Safety valve 3 bar 1 2 Pressure gauge Time clock P C B E C MI FFI P C B EI A MFFI P C B cable F...

Страница 35: ...071 379 079 164 282 379 981 164 261 379 979 379 980 E02 078 164 311 Expansion vessel Gasket 3 4 Overheat thermostat Motorised valve motor Main flow switch Temp probe C H W Gasket 1 2 Manual vent cock...

Страница 36: ...25 123 81 65 63 66 65 68 69 63 70 74 74 62 64 74 126 71 121 73 10 61 72 79 45 44 44 116 53 114 48 49 50 115 113 47 48 51 51 52 46 44 117 5 94 95 14 43 18 302 303 304 306 301 301 305 91 91 90 92 93 23...

Страница 37: ...4 82 66 64 67 66 69 70 64 71 75 75 63 65 75 127 72 122 74 10 62 73 80 46 45 45 117 54 115 49 50 51 116 114 48 49 52 52 53 47 45 118 5 95 96 44 19 302 303 304 306 301 301 305 92 92 91 93 94 24 111 79 2...

Страница 38: ...64 66 76 121 73 116 75 10 63 74 81 47 46 46 111 55 109 50 51 52 110 108 49 50 53 53 54 48 46 112 5 86 85 87 86 84 88 14 45 302 303 304 306 301 301 16 11 24 89 305 25 23 20 91 23 101 80 105 33 30 31 36...

Страница 39: ...ermostat Main flow Switch Temp probe C H W Microswitch for 3 way main flow group Gasket 1 2 Manual vent cock Safety valve 3 bar 1 2 Pressure gauge Time clock P C B E C MI FFI P C B EI A MFFI P C B cab...

Страница 40: ...t Main flow Switch Temp probe C H W Microswitch for 3 way main flow group Gasket 1 2 Manual vent cock Safety valve 3 bar 1 2 Pressure gauge Time clock P C B E C MI FFI P C B EI A MFFI P C B cable Fan...

Страница 41: ...02 078 378 978 378 815 164 303 164 311 Expansion vessel Gasket 3 4 Overheat thermostat Motorised valve motor Main flow switch Temp probe C H W Gasket 1 2 Manual vent cock Safety valve 3 bar 1 2 D H W...

Страница 42: ...Supplied By www heating spares co Tel 0161 620 6677 42 B005 NOTES...

Страница 43: ...Supplied By www heating spares co Tel 0161 620 6677 43 B005...

Страница 44: ...cturer Merloni TermoSanitari SpA Italy Commercial subsidiary MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Technical Service Hotline...

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