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Chaffoteaux & Maury Britony Combi SE, Maintenance And Service Manual

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Chaffoteaux & Maury Britony Combi SE Maintenance And Service Manual Download Page 2

2

Pump and expanssion vessel characteristics

0

4

3

2

1

5

6

100

200

800

700

600

500

400

300

900

1000

1100

1200

l/h

mCE

Débit mini (robinets thermostatiques fermés)

Pression disponible

20

40

60

80

100

120

Pf

140

160

180

200

220

240

0,7

0,8

0,9

1,0

1,1

1,2

1,3

1,4

1,5

1,6

1,7

1,8

1,9

2,0

Capacité maximale de l'installation (en litres)

80°C

70°C

60°C

50°C

40°C

260

Pression à froid pour le circuit chauffage (en bar)

Components location

9 CH control thermistor

10 DHW control thermistor
11. Sealed chamber
12. Expansion vessel (not visible)
13. Over heat security
14. Electrical box
15. Two position Selector switch
16. Domestic hot water temperature 

adjustment

17. Heating flow temperature adjustment
18. CH pressure gauge
19. Heating temperature indicator
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 electrodes
-28. Ionization electrode

29. Gas section comprising:

-30. Security valve (grey)
-31. Security valve (grey)
-32. Second stage solenoid

33. Right hydraulic assy
34. Left hydraulic assy
35. Single speed pump
36. Automatic air separator and   

automatic vent

37. Heating mode indicator
38. DHW mode indicator
39. Combustion chamber made of 

aluminium coated steel with 4 
ceramic fibre panels to insure 
heat insulation

40. Main heat exchanger
41. Three way valve
42. Flue hood with fan
43. Air Pressure switch
44. CH water pressure switch
45 Water/water heat exchanger
46 DHW microswitch
47 DHW flow sensor
48 3 way valve hydraulic motor
49 Automatic by-pass
50 Flue sampling point

1. Heating Flow isolating valve
2. DHW outlet
3. Gas service tap
4. Water service tap

5. CH Return isolating valve
7. Pressure relief valve
8. Steel chassis

1

2

3

4

5

7

8

Note : The system initial pressure should be over the following value :

System static height (in metre) + 0.7 = Initial pressure (in bar)

10

Head available / flow

Liters

Pressure

System capacity chart

Fig. 2

49

PUMP HEAD AVAILABLE

Minimum flow rate (with all heating thermostatic valves closed)

mCE

      

Summary of Contents for Britony Combi SE

Page 1: ... Maximum Minimum Maximum Minimum power 24 kW power 9 5 kW power 28 kW power 12 5 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 Combi SE 80 BRITONY Combi SE 100 Natural gas Butane or Propane Nat...

Page 2: ... 2 Ignition electrodes 28 Ionization electrode 29 Gas section comprising 30 Security valve grey 31 Security valve grey 32 Second stage solenoid 33 Right hydraulic assy 34 Left hydraulic assy 35 Single speed pump 36 Automatic air separator and automatic vent 37 Heating mode indicator 38 DHW mode indicator 39 Combustion chamber made of aluminium coated steel with 4 ceramic fibre panels to insure hea...

Page 3: ...ise 16 The DHW indicator will light 38 2 Turn on a hot water tap the orange burner on indicator will light 21 and the water will become hot Heating 1 Turn the CH thermostat clockwise 17 The CH indicator will light 37 0 1 2 3 bar Control panel BRITONY COMBI FUNCTIONAL DIAGRAM I reset 42 43 12 40 13 28 27 24 29 30 31 32 14 44 18 35 7 46 48 45 10 47 41 5 4 3 1 36 9 49 42 43 12 40 13 28 27 24 29 30 31...

Page 4: ...to a demand for hot water This will interrupt the central heat ing for the duration of hot water delivery Central Heating Mode To be able to supply heating the main switch 15 Fig 4 must be in I position This will be confirmed by the green indicator light 20 Fig 4 Turn the selector switch 17 clock wise to establish the green heating indicator 37 Fig 4 When there is a demand for heating either from ...

Page 5: ...are clean Check clean and replace components as necessary Carry out combustion test utilising the test points in the flue turret SUGGESTED SEQUENCE for SERVIC ING Before disconnecting or removing any parts isolate the gas and electricity sup plies Ensure that the appliance is cool for detail please see section on Parts Removal and Replacement Preliminary Checks Remove outer case Check the system p...

Page 6: ...hree screws securing the angled top of the hood to the chassis Lift and remove taking care not to snag the pressure switch cables Re assemble in the reverse order ensuring that the hood is located behind the combustion cham ber rear panel 2 Combustion Chamber Unscrew four self tapping screws secur ing the sealed chamber front panel and lift over top corner locating lugs Unscrew four self tapping s...

Page 7: ...arth plug from earth socket Pivot the electrical box downwards Unscrew the nut F of the flow pipe from the volute Remove the clip H on the pump volute and pull pump toward you Remove the back clip Reassemble in reverse order 19 Pressure relief valve Drain the boiler first unscrew the safety valve head with a 24 mm spanner Reassemble in reverse order 20 Thermistors Drain the boiler as step 12 Disco...

Page 8: ...tion Check that the pump spins free Check voltage in the pump electrical box Replace control PCB Could you hear the spark generation Check air pressure switch continuity between P and 2 Replace fan assembly Check pressure probes or Check flue duct condition or Replace pressure switch Yes Yes Yes No No No No Ok Ok Ok No Check or replace main or sec ondary heat exchangers They could be fully scaled ...

Page 9: ...e rise Does the orange LED alight Does the orange LED alight Replace control PCB Replace DHW thermistor Replace the 3 way valve Replace the 3 way valve Replace control PCB Stop water draw off Wait until the return pipe becomes hot then rotate the heating control knock anticlock wise to minimum Adjust the DHW flow rate to 3 l min on a tap Wait until the temperature becomes stable Put the selector s...

Page 10: ...ater thermistor faulty open circuit m m l m l m Domestic hot water thermistor faulty short circuit m m l m l l Central heating thermistor flow faulty open circuit m m l l m m Central heating thermistor flow faulty short circuit m l m m m l Low water pressure in the Central Heating circuit m l m l m l Fan on but does not activate air pressure switch m l m l l m Fan off but air pressure switch fails...

Page 11: ...WATER HEAT EXCHANGER 1302409 535 PRESSURE RELIEF VALVE KIT 81980 545 DIAPHRAGM 81977 560 AIR SEPARATOR HEAD ASSEMBLY 1304608 572 PUMP AIR SEPARATOR 15 50 1301964 PUMP AIR SEPARATOR 15 60 1303461 575 BY PASS 1301960 592 WATER CONTROL 8L MN 1301952 WATER CONTROL 10L MN 1305290 594 FLOW REGULATORE 8L MN RED 1017288 08 FLOW REGULATORE 10L MN WHITE 1017288 10 607 PRESSURE GAUGE 1303159 615 PRINTED CIRC...

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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