krom schroeder BCU 56 Series Operating Instructions Manual Download Page 9 | Manualshive

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PE

L1

N

3 2 1

16

6

7

4

8

12 11

15

13

S3

S4

S11

S10

0°

90°

M

IC 20

PE

S1

S2

90°

➔

0°

0°

➔

90°

S1

Min

Max

BCU..F1

45

65

46

66

47

48

68

53 54 55 56 57

49 50 51 52

67

13

14

15

17

18

11

10

12

3

1

2

5

7

38

37

90°

➔

0°

0°

➔

90°

9

+24 V DC

F2:T2AH

F1:T3,15AH

FS

FS

61

62

+24 V

41

44

0 V

42

GB-9

D

GB

F

NL

I

E

IC 0 connected to BCU..F1

▷

Parameter 40 = 1.

▷

Continuous control via three-point step controller.

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Summary of Contents for BCU 56 Series

Page 1: ... to life and limb CAUTION Indicates possible material damage All interventions may only be carried out by qualified gas technicians Electrical interventions may only be carried out by qualified electricians Conversion spare parts All technical changes are prohibited Only use OEM spare parts Changes to edition 02 18 The following chapters have been changed Wiring Technical data Certification Conten...

Page 2: ...tor a self recuperative burner This function is only guaranteed when used within the specified limits see page 26 Technical data Any other use is considered as non compliant Type code Code Description BCU Burner control unit 560 565 580 Series 560 Series 565 Series 580 Q W Mains voltage 120 V AC 50 60 Hz 230 V AC 50 60 Hz C0 C1 No valve proving system With valve proving system F0 F1 F2 F3 Capacity...

Page 3: ... vertically end clamps are required e g Clipfix 35 by Phoenix Contact to prevent the BCU from slipping Install in a clean environment e g a control cabinet with an enclosure IP 54 whereby no condensation is permitted 1 Replacing the power module parameter chip card 1 Disconnect the unit from the electrical power supply 2 3 Disengage the BCU from the DIN rail 4 5 6 Remove the old parameter chip car...

Page 4: ...erminals 65 to 68 if these are parameterized from the voltage supply If the safety interlock is interrupted the display shows a blinking 51 as a warning signal and all of the BCU s control outputs are disconnected from the electrical power supply Connected control elements must be equipped with protective circuits in accordance with the manufacturer s instructions The protective circuit prevents h...

Page 5: ...5 46 66 68 49 50 51 N 0 6 x I N 67 13 14 15 17 18 11 12 3 1 2 5 7 P69 P72 P70 P71 P73 38 37 p u 2 PZ GZL 61 62 24 V 41 42 0 V A ϑ 9 24 V DC F1 T3 15AT FS HT c I Z GB 5 D GB Connection diagram BCU 560 F0 Legend see page 25 Legend ...

Page 6: ...6 68 53 54 49 50 51 52 N 0 6 x I N 67 13 14 15 17 18 11 10 12 3 1 2 5 7 P69 P72 P70 P71 P73 38 37 p u 2 PZ GZL A ϑ 9 24 V DC F2 T2AH F1 T3 15AH FS FS 61 62 24 V 41 42 0 V P HT c I Z GB 6 GB F NL I E BCU 560 F3 Legend see page 25 Legend ...

Page 7: ...egend BCU 565 F3 L1 V1 V2 V3 45 65 46 66 47 48 68 53 54 49 50 51 52 N 0 6 x I N 67 13 14 15 17 18 11 10 12 9 5 7 P72 P70 P71 P73 38 37 p u 2 PZ GZL 61 62 24 V 41 44 0 V 42 A ϑ 9 24 V DC P69 P HT 3 1 2 F2 T2AH F1 T3 15AH FS FS PZL c I Z Air min ...

Page 8: ...49 50 51 52 N 0 6 x I N 67 13 14 15 17 18 11 10 12 9 8 3 1 2 5 7 P72 P70 P71 P73 38 37 V4 p u 2 PZ GZL 4 ϑ2 ϑ1 9 24 V DC F2 T2AH F1 T3 15AH FS P69 P HT 61 24 V 41 0 V 42 62 43 FS 1 2 c c 1 2 I I Z GB 8 GB F NL I E BCU 580 F3 Legend see page 25 Legend ...

Page 9: ...20 PE S1 S2 90 0 0 90 S1 Min Max BCU F1 45 65 46 66 47 48 68 53 54 55 56 57 49 50 51 52 67 13 14 15 17 18 11 10 12 5 7 38 37 90 0 0 90 9 F2 T2AH F1 T3 15AH FS FS GB 9 D GB IC 20 connected to BCU F1 Parameter 40 1 Continuous control via three point step controller ...

Page 10: ...5 6 ON µC 13 15 16 M PE L1 N S1 Min Max 65 46 66 47 48 68 53 54 55 56 57 49 50 51 52 67 13 14 15 17 18 11 10 12 7 38 37 90 0 0 90 9 F2 T2AH F1 T3 15AH FS FS BCU F1 GB 10 GB F NL I E IC 20 E connected to BCU F1 Parameter 40 1 Continuous control via an analogue signal di rectly connected to the control actuator ...

Page 11: ...20 R 45 65 46 66 47 48 68 53 54 55 56 57 49 50 51 52 67 13 14 15 17 18 11 10 12 9 5 7 38 37 90 0 0 90 F2 T2AH F1 T3 15AH FS FS BCU F1 GB 11 D GB IC 40 connected to BCU F1 Parameter 40 2 Set IC 40 to operating mode 27 see operating instructions Actuators IC 20 IC 40 IC 40S ...

Page 12: ...0 90 L1 BCU F2 45 65 46 66 47 48 68 53 54 55 56 57 49 50 51 52 67 13 14 15 17 18 11 10 12 9 5 7 38 37 F2 T2AH F1 T3 15AH FS FS COM HI LO AUTO Continuous control via PLC N M F 0 90 L1 mA A D OUT RBW BCU F2 45 65 46 66 47 48 68 53 54 55 56 57 49 50 51 52 67 13 14 15 17 18 11 10 12 9 5 7 38 37 FS FS F2 T2AH F1 T3 15AH COM HI LO AUTO PLC ...

Page 13: ...72 0 P71 P73 38 37 9 F2 T2AH F1 T3 15AH FS FS P HT 9 12 UVS 1 2 3 7 6 5 Z UVC 1 Parameter 04 2 9 7 6 5 Z UVC 1 4 3 2 1 N PE L BCU 580 Pilot burner single electrode operation main burner ionization Pilot burner in single electrode operation Ionization control for main burner Parameter 04 0 BCU 580 F3 A L1 45 65 46 66 68 49 50 51 N 0 6 x IN 67 11 10 12 9 8 3 1 2 5 7 P72 P70 P71 P73 pu 2 PZ GZL 4 ϑ2 ...

Page 14: ...eration the 7 segment display shows the program status 00 Standby H0 Delay A Approaching minimum capacity A0 Cooling 01 Fan run up time A1 Pre ventilation A Approaching maximum capacity H1 Delay P0 Pre purge P1 Pre purge A Approaching ignition capacity Valve check 02 Safety time 1 tSA1 A2 Safety time 1 tSA1 03 Flame proving period 1 A3 Flame proving period 1 04 Burner 1 operation A4 Burner 1 opera...

Page 15: ...ntly of the status of the inputs for start up signal terminal 1 controlled air flow terminal 2 and remote reset terminal 3 The function of the controller enable emergency stop input termi nal 46 is retained Manual mode is terminated by switching off the BCU or in the event of a power failure Parameter 67 0 Manual mode unlimited in time The burner control unit may continue to be operated manually i...

Page 16: ...no contact in the ignition trans former Check the connection Ignition cable has short circuited to ground Check installation clean the spark electrode If the fault cannot be remedied by doing this remove the unit and return it to the manufacturer for inspection Start up without flame no gas supply the display blinks and indicates 02 or A2 A gas valve does not open Check the gas pressure Check volt...

Page 17: ...ir pressure Burner or BCU not adequately grounded Short circuit or discontinuity on the flame signal cable Soiled UV sensor Remedy fault 1 0 The display blinks and indicates 10 Actuation of the remote reset input is faulty Too many remote resets More than 5 resets have been conducted within the last 15 minutes either automatically or manually Consecutive fault caused by a previous fault whose actu...

Page 18: ...o their original values using the BCSoft software Establish the cause of the fault to avoid repeat faults Ensure that the cables have been installed prop erly see page 4 Cable selection If the measures described above do not help remove the unit and return it to the manufacturer for inspection 3 1 The display blinks and indicates 31 Abnormal data change in the parameters set for the BCU Reset the ...

Page 19: ...t pressure Check the wiring The test pressure between V1 and V2 has not decreased Check the installation The test period is too long Change parameter 56 Measurement time Vp1 using BCSoft If the fault cannot be remedied by doing this remove the unit and return it to the manufacturer for inspection 4 1 The display blinks and indicates 41 The downstream gas solenoid valve V2 is leak ing Check the dow...

Page 20: ...ame time Check the wiring 5 7 The display blinks and indicates 57 Faulty actuation of the input at terminal 44 The BCU is prompted to go into menox mode even though there is no signal for high temperature operation 750 C at terminal 49 Check the wiring 8 9 9 9 9 5 9 6 9 8 9 4 The display blinks and indicates 89 94 95 96 98 or 99 System fault the BCU has performed a safety shut down The cause may b...

Page 21: ...turer for inspection 8 5 The display blinks and indicates 85 Burner 2 flame amplifier is defective Remove the unit and return it to the manufacturer for inspection 2 3 8 4 6 5 7 The display blinks and indicates 2 3 4 5 6 7 or 8 The input signal for the air pressure switch has dropped out during start up operation at pro gram step X 02 to 08 Failure of the air supply at program step X Check the air...

Page 22: ... closed and no voltage is to be applied if the valve is open Check that the proof of closure switch and valve function perfectly replace defective valves F 1 The display blinks and indicates F1 One of the external flame detectors detects an extraneous signal an incorrect flame signal Eliminate extraneous signal Incorrect voltage supply to terminal 67 Check voltage supply to terminal 67 Parameter 4...

Page 23: ... again for 2 s to go to the next item of information fault message parameter value Each time the button is released the correspond ing fault message or parameter value is displayed To go to one of the last fault messages or to a parameter more quickly hold the Reset Infor mation button pressed down for longer 2 s If the button is pressed briefly the display indi cates what parameter number is curr...

Page 24: ...ctivated 1 Can be activated externally 50 Air actuator in the event of fault 0 Cannot be activated 1 Can be activated externally Pa ram eter No Parameter name Parameter value 51 Valve proving system 0 Off 1 Tightness test before start up 2 Tightness test after shut down 3 Tightness test before start up and after shut down 4 Proof of closure function 56 Measurement time Vp1 0 3600 Time in seconds 5...

Page 25: ...and burner 2 with pilot gas 4 Two stage burner 1 5 Burner 1 and two stage burner 2 11 1 0 in menox and 1 0 in flame mode 12 1 0 in menox and L H O in flame mode 13 1 0 in menox mode with 2 gas paths 14 L H O in menox mode with 2 gas paths 79 Pilot burner 0 With shut down 1 Continuous operation 80 Fieldbus communication 0 Off 1 With address check 2 No address check 94 Safety time 1 tSA1 2 3 5 10 Ti...

Page 26: ... signal inputs Rated value 120 V AC 230 V AC Signal 1 80 132 V 160 253 V Signal 0 0 20 V 0 40 V Signal input current Signal 1 max 5 mA Fuses replaceable F1 T 3 15A H F2 T 2A H pursuant to IEC 60127 2 5 Mechanical data Weight 0 7 kg Dimensions W H D 102 115 112 mm Connections Screw terminals nominal cross section 2 5 mm wire cross section rigid min 0 2 mm wire cross section rigid max 2 5 mm wire cr...

Page 27: ...m To do so you need to register in the DOCUTHEK Opto adapter PCO 200 Including BCSoft CD ROM Order No 74960625 Bluetooth adapter PCO 300 Including BCSoft CD ROM Order No 74960617 Stickers for labelling BCU 570 Brenner 1 For printing with laser printers plotters or engraving machines 27 18 mm or 28 17 5 mm Colour silver Connection plug set For wiring the BCU 74923998 74924000 Connection plugs with ...

Page 28: ...508 2010 suitable for SIL 3 The relevant product corresponds to the tested type sample The production is subject to the surveillance proce dure pursuant to Regulation EU 2016 426 Annex III paragraph 3 Elster GmbH Scan of the Declaration of conformity D GB see www docuthek com SIL PL For systems up to SIL 3 pursuant to EN 61508 Pursuant to EN ISO 13849 1 Table 4 the BCU can be used up to PL e FM ap...

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