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FUNCTIONING

COMPONENTS LOCATION

Switching on

1) Check that the gas service tap is opened at the gasmeter and

main power is on.

2) Check that pressure in central heating system is above 0.7 bar

and below 2.5 bar with the pressure gauge 

18.

3) Open the gas tap 

by turning from right to left.

4) The boiler is now ready to use.

Central Heating

1) Turn selector switch 15 fully clockwise to position 

The green

"power on" indicator 

will light 20.

2) If the room thermostat (if fitted), the boiler temperature control

and the clock (if fitted) are all calling for heat, the orange

"burner on" indicator 

21 will light and the heating will be on.

Note: If the boiler has been turned off for some time the first
attempt to light it may result in a lockout 

.

22 If this happens

press the reset button 23 and the boiler will light.

Control panel

BRITONY SYSTEM FUNCTIONAL DIAGRAM

C

23

22

18

21

20

17

15

3

50

47

45

51

49

43

40

39

37

34

36

35

29

32

30

31

28

27

24

14

13

12

1

3

5

7

49

12

40

11

39

36

29

26

51

24

50

46

10

33

45

35

13

34

14

25

K

Summary of Contents for BRITONY System II 100

Page 1: ...wer kW power kW power kW Natural gas G 20 at 20 mbar 2 74 m3 h 1 22 m3 h 3 34 m3 h 1 57 m3 h Butane gas G 30 at 28 mbar 2 04 kg h 0 91 kg h 2 45 kg h 1 17 kg h Propane gas G 31 at 37 mbar 2 00 kg h 0 89 kg h 2 42 kg h 1 15 kg h Injectors and gas valves seat diameter BRITONY System II 80 BRITONY System II 100 Natural gas Butane or Propane Natural gas Butane or Propane Blue solenoid restrictor diame...

Page 2: ...on selector switch 17 Heating flow temperature adjustment 18 CH pressure gauge 20 Green indicator Power ON 21 Orange indicator Burner ON 22 Red indicator Lock out flame failure 23 Reset button 24 Multigas burner comprising 25 16 burner head 26 Manifold 27 2 Ignition electrode 28 Ionization electrode 29 Gas section comprising 30 Security valve grey 31 1 3 gas stage blue 32 2 3 gas stage black 33 Ri...

Page 3: ...er on indicator will light 20 2 If the room thermostat if fitted the boiler temperature control and the clock if fitted are all calling for heat the orange burner on indicator 21 will light and the heating will be on Note If the boiler has been turned off for some time the first attempt to light it may result in a lockout 22 If this happens press the reset button 23 and the boiler will light Contr...

Page 4: ... at least 3 minutes after the boiler ther mostat has been satisfied If used with a cylinder the delay must be set to 20 seconds refer to adjustments on control PCB When the room thermostat is satisfied the burner will switch off and the pump will remain running for a further 3 minutes before it too stops NB It is possible to override the 3 minute delay by pressing the RESET button 23 Lock out proc...

Page 5: ...the appli ance Check the correct operation of the gas controls Check the functions of the safety con trols Check combustion chamber insulation panels for damage Clean the burner Clean the heat exchanger Check the burner manifold injectors Clean gas and water filters Check expansion vessel charge pres sure Clean and check operation of safety valve Additional Procedures that may be necessary Check b...

Page 6: ...ing any component in the water ways Ensure that the appliance is cool 1 Outer Case Remove four screws in base of case and lift free When replacing carefully locate on lugs T on top edge of chassis 2 Combustion Chamber Unscrew four self tapping screws securing the sealed chamber front panel and lift over top corner locating lugs Unscrew four self tapping screws to release combustion chamber front p...

Page 7: ...ble in reverse order 37 Heating thermistor 21 Safety thermostat Remove the casing as step 1 and hinge down the electrical box as step 5 Disconnect the 2 cables pull out the sensor with the clip 13 Reassemble in reverse order 22 Spark generator Carry out steps 1 2 and open the electrical box cover as mentionned in step 5 Undo the 4 screws of the electrical rear panel and remove it Unplug electrodes...

Page 8: ...RESET button Replace control PCB or driver PCB Ok No Yes No Yes Does the pump run Does the fan run Replace heating flow switch Replace heating thermistor Replace pressure switch Check or replace main heat exchanger It could be fully scaled Release pump rotor Check voltage in the pump electrical box Check that the pump spins freely Replace pump Replace driver or control PCB No No No No No No No Ok ...

Page 9: ...pipe temperature rise Does the orange LED light Yes Yes Does the orange LED light No No Yes Yes Does the burner light for more than 8 sec Check if an overheat occur or replace overheat sensor Press the RESET button Replace gas solenoïd assembly No Is there a gas pressure at manifold Yes Replace electrode assembly No Ok Check the ionization electrode Replace driver PCB Wait until the return pipe be...

Page 10: ...45 37309 560 AIR SEPARATOR HEAD ASSEMBLY 277857 1002653 572 PUMP UP 15 50 230V E11662 1010612 605 CONNECTOR 277872 1010349 606 PRESSURE GAUGE 1011046 607 IGNITER 379075 1002105 20 615 PRINTED CIRCUIT BOARD OF POW 277880 1010592 616 PRINTED CIRCUIT BOARD OF REGU 277881 1010047 627 FUSE 250V 2A TEMPORIZED 277883 1003456 629 FUSE 250V 1 25A TEMPORIZED 277884 1003635 805 PRESSURE GAUGE 1303158 636 KNO...

Page 11: ...Notes ...

Page 12: ...ned in this document Manufacturer Chaffoteaux Maury France Commercial subsidiary MTS GB Limited MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet www chaffoteaux co uk E mail info uk mtsgroup com Technical Support Help Line 0870 241 8180 Customer Service Help Desk 0870 600 9888 This appliance is suitable for Natural gas or LPG A gas conversi...

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