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19

BURNER CHARACTERISTICS

Corrective measures 

Fit lining in the chimney

1

Increase the boiler T°

2

Check and clean the chimney

3

Check and clean the chimney

4

Comply with local requirements governing boiler room ventilation

5

Clean the burner and the boiler

6

Clean the burner and the boiler

7

Set the room thermostat to the required temperature

8

Free the pump or replace it

9

Move the switch to the Winter position or replace it

10

Properly fill and vent the system and the boiler

11

Open the radiator taps or adjust the thermostat valves

12

Properly fill and vent the system and the boiler

13

Check that the pipes and the meter are suitable for the system

14

Check that the pipes and the meter are suitable for the system

15

Replace the boiler thermostat/potentiometer

16

Ensure that the electrical system complies with regulations

17

Replace the fuses and look for the cause of the problem

18

Properly fill and vent the system and the boiler

19

Adhere to the performance data as indicated by ACV

20

Adhere to the performance data as indicated by ACV

21

Set the thermostat to the required temperature or replace it

22

Replace the Summer/Winter switch

23

Replace the main switch

24

Replace the NTC sensor

25

Replace the boiler thermostat/potentiometer

26

Abnormal situation

27

Replace the p.c.b.

28

Replace the p.c.b. but look for the cause of the malfunction

29

Replace the fan

30

Replace the p.c.b. if the fan turns but does not send a PWM signal

31

Replace the electrode or set it correctly

32

Replace the electrode or set it correctly

33

Insert the connectors correctly

34

Replace the gas valve and set it up according to the setting parameters

35

Replace the p.c.b.

36

Replace the boiler thermostat/potentiometer

37

Fill and vent the system and the boiler

38

Insert the NTC sensor in the pocket correctly

39

ACV provides details of training courses on the maintenance of BG 2000 burners

TABLE OF CORRECTIVE MEASURES

Summary of Contents for BG 2000-MV

Page 1: ...B and C only apply to type B23 connectors Base The base on which the boiler will be mounted must be made from non combustible materials CHIMNEY CONNECTIONS IMPORTANT The boiler must be installed by a qualified engineer in accordance with the local standards and codes of practice The diameter of the chimney must not be less than the diameter of the boiler s chimney reducer Fig 3 Boiler ventilation ...

Page 2: ...pipe L 500 mm 1 18 1 82 Straight pipe L 1000 mm 2 55 2 3 Straight pipe L 2000 mm 5 1 4 6 90 pipe bend 4 32 6 45 pipe bend 2 75 3 1 30 pipe bend 1 67 1 7 5 pipe bend 0 69 0 76 Vertical terminal 5 4 3 53 Horizontal terminal 5 5 3 53 Condensation drain 2 06 1 53 1000 mm 1 0 0 0 m m 2000 mm 2000 mm This table is based on the equipment offered by ACV and connot be applied generally Sample calculation T...

Page 3: ...old water supply tap 8 Drawoff tap 9 Drain cock 10 Air vent 11 Isolating valve 8 Fig 8 Heating system layout Fig 9 Hot water system layout INSTALLATION 9 5 6 2 1 3 8 8 4 7 7 3 10 11 8 4 5 6 9 5 2 1 IMPORTANT As a safety measure we strongly advise the installation of a thermostatic mixer to prevent any risk of burning to persons ACV kit water ACV can supply an optional pre assembled water kit This ...

Page 4: ...B3 B2 P1 Y1 Y2 N B5 B9 B3 B2 KIT 2 ACV 13 00 Standard This basic kit is used to control the hot water circuit outlet temperature as a function of ambient conditions It comprises a temperature controller with analog clock a surface mounted primary water temperature sensor 30 130 C an outdoor sensor 30 50 C a servomotor SQY 349 230 V 3 pin and an intermediate socket Please contact your installer for...

Page 5: ... Wiring for the SV boiler Fig 10 1 Control thermostat 60 90 C 2 Thermal reset high limit thermostat 95 C 3 Manual reset high limit thermostat 103 C max 4 Main switch 5 Reset 6 Burner shutdown indicator lamp 7 Summer Winter switch 8 Power supply to boiler 9 Room thermostat optional 10 Heating pump connection 11 Boiler electrical supply connection 6 pin plug 12 Burner connection 7 pin plug Wiring fo...

Page 6: ...p EI 30 15 5 BV 030 7308 OS 6 5 4 3 2 1 3 4 6 7 1 2 3 4 P4 P2 P3 GND PWM 12 V HALL S3 S3 T2 T2 T1 T1 N N L1 L1 1x6 1x3 1x4 1x5 1x3 1x7 1 2 C Bk B B Y Gr Br Gr Y G G Br Y Gr B Or Bk Bk B B Bk Br Y Gr B R G G Y Y Y Or Br R B G Y Gr R B Gr Y Gr Br B Gr G B R Bk Gr B Y Gr Br Bk Br Gr B W B Bk Br Gr W B Y G B BG 2000 MV Delta Performance MV 12 12 2 1 6 5 7 4 8 10 9 3 11 13 14 15 16 Start Min Max Delta ...

Page 7: ...s output is constantly adjusted to suit the fluctuating demand for heat thus optimising operating efficiency BG 2000 SV and MV burners are preset in our factory for use with natural gas equivalent to G20 CONVERSION TO PROPANE refer to the conversion instructions Prohibited in Belgium Conversion kit supplied with the boiler comprises Orifice s Propane rating plate s Self adhesive settings label Con...

Page 8: ...BG 2000 MV Burner chamber plate Flame inspection window Ignition cable Ionisation cable Control monitoring relay Burner chamber plate Flame inspection window Box containing the p c b Ignition cable Ionisation cable PWM connector Control monitoring relay ...

Page 9: ...t monitors the actual presence of a flame when the gas valve is open it measures the ionisation current Starting sequence Fig 13 The fan starts up when the boiler thermostat potentiometer detects a demand for heat After a 15 second pre purge the gas valve opens simultaneously with the ignition Provided an ionisation current is detected inside the first 5 seconds combustion continues normally until...

Page 10: ...3 10 3 Gas G20 20 mbar I 2E S B I 2 Er I 2H I 2ELL I 2E Flow m3 h 3 7 5 3 1 06 3 7 1 6 5 3 Gas G25 20 mbar I 2ELL 25 mbar I 2L Flow m3 h 4 31 6 15 1 24 4 31 1 85 6 15 Gas G31 30 37 50 mbar I 3P Flow m3 h 1 43 2 05 0 41 1 43 0 61 2 05 Burner chamber pressure mbar 0 2 0 2 0 2 0 2 Net T of combusted gases C 140 140 80 140 60 140 BE FR AT DK ES UK IT PT IE SE NL LU DE I 2Er X I 2E S B X I 2H X X X X X...

Page 11: ...r combustion with an electronic flue gas analyser Adjust the of CO2 to the figure shown in the table of setting parameters on Page 15 by turning the gas flow adjuster screw on the gas valve Fig 16 Turn counter clockwise more gas increases the of CO2 Turn clockwise less gas reduces the of CO2 The offset 4 is set at the factory and requires no adjustment Nevertheless ACV recommends that you check th...

Page 12: ...fer to Fig 19 BURNER MAINTENANCE refer to Fig 20 1 After dismantling the burner check the condition of the ignition electrode 1 and ionisation electrode 2 the insulation 3 and the burner chamber plate seal 4 Replace these items if necessary 2 Check the condition of the tube 5 3 Re assemble the burner and check burner ignition 4 Check the gas connection for leaks 5 Check the combustion parameters F...

Page 13: ... x 14 Gas pipe too small x x x 15 Boiler thermostat potentiometer faulty x x x 16 The electrical system is not earthed properly x x 17 System fuses have blown x x x 18 System and or boiler not vented properly x x x x 19 Not enough time allowed between large drawoffs x 20 Drawoff flow too fast x 21 Room thermostat faulty or not turned on x x 22 Faulty Summer Winter switch x x x x 23 Main switch is ...

Page 14: ... look for the cause of the problem 18 Properly fill and vent the system and the boiler 19 Adhere to the performance data as indicated by ACV 20 Adhere to the performance data as indicated by ACV 21 Set the thermostat to the required temperature or replace it 22 Replace the Summer Winter switch 23 Replace the main switch 24 Replace the NTC sensor 25 Replace the boiler thermostat potentiometer 26 Ab...

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