Honeywell BCU 370 Manuals

Honeywell BCU 370 Manuals

Manuals and User Guides for Honeywell BCU 370. We have 1 Honeywell BCU 370 manual available for free PDF download: Technical Information

Honeywell BCU 370 Technical Information

Honeywell BCU 370 Technical Information (82 pages)

Burner Control Unit

Brand: Honeywell | Category: Control Unit | Size: 2.06 MB

Table of Contents

Burner Control Unit BCU 370

1
Contents

2
- Table of Contents
  2
1 Application

4
- Applications Example
  6
2 Certification

9
3 Function

10
- Connection Diagrams
  10
- BCU 370 Program Sequence
  19
  - Normal Start-Up
    19
  - Quick Start, Butterfly Valve Waits in the Ignition
    21
  - Position
    21
  - Position
    23
  - In the Closed Position
    25
  - Controlled Air Flow
    27
- Tightness Control
  28
  - Program Sequence
    30
- Profibus Dp
  32
  - Safety-Related Control Signals
    32
  - Bcsoft
    33
  - Configuration, Master-Slave Procedure
    33
  - Addressing
    33
  - Network Technology
    34
  - Configuration
    34
  - Bus Communication
    34
- Program Status
  36
- Fault Message (Blinking)
  37
  - Reaction to Process Faults
    38
4 Parameters

40
- Scanning the Parameters
  42
- Flame Control
  42
  - Burner Flame Signal
    42
  - Burner Switch-Off Threshold
    42
  - UVS Check (1× in 24 Hours)
    43
- Behaviour During Start-Up
  44
  - Minimum Burner Pause Time T
    44
  - Burner Start-Up Attempts
    44
  - Switch-On Delay Time T
    45
  - Pre-Ignition Time T
    45
  - St Safety Time on Start-Up, Burner/Pilot Burner VZ
    45
  - Sa1
    46
  - Fs1
    46
- Behaviour During Operation
  48
- Monitoring/Tightness Control
  51
- Air Control
  56
  - Valve Control
    56
  - Pre-Purge
    56
  - Quick Start Starts in
    57
  - Pre-Purge Time T PV
    58
  - Post-Purge Time T
    59
  - Fan Run-Up Time T PN
    60
- Control Using PROFIBUS DP
  61
  - Bus Control Activation
    61
  - Bus Control Limitation
    61
- Manual Mode
  63
  - Operating Time in Manual Mode
    63
- Fault Messages
  64
  - The Last 10 Fault Messages
    64
- Password
  64
  - User-Defined Password
    64
5 Selection

65
- Type Code
  65
6 Project Planning Information

66
- Cable Selection
  66
  - Ionization Cable
    66
  - UV Cable
    66
  - Ignition Cable
    66
- Fan Control
  67
- Controlling the Butterfly Valve
  67
- Safety Interlock (Limits)
  67
- Too Many Remote Resets
  67
- Protecting the Ignition Unit from Overload
  68
- Wiring
  68
  - Single-Electrode Operation with External Ignition
    68
  - Unit
    68
- BCU Switched off
  68
- Note on EC Type-Examination or CSA and FM
  69
- Approval
  69
- Contact Fuses
  69
- Installation
  69
- Protective Circuits
  69
- Bcsoft
  69
7 Flame Control

70
- With Flame Rod
  70
- With UV Sensor
  70
8 Accessories

71
- High-Voltage Cable
  71
- Bcsoft
  71
  - Opto-Adapter PCO 200
    71
- Radio Interference Suppressed Terminal Boots
  71
- Connection Kit BCU 370
  71
- Set of Stickers BCU 370
  71
- GSD Master Data File for BCU 370
  72
9 Technical Data

73
- Profibus Dp
  74
- Operating Controls and Dimensions
  75
- Converting Units
  76
10 Legend

77
11 Glossary

78
- Safety Shut-Down
  78
- Fault Lock-Out
  78
- Warning Signal
  78
- Timeout 25 S/250 S
  78
12 Annex

79
- Status and Fault Messages for PROFIBUS DP
  79
Feedback

82
Contact

82

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