Honeywell BCU 370 User Manual

6 Edition 01.19
AGA
Technical Information · GB
Burner control unit BCU 370
• For modulating, forced draught burners for gas of unlimited
capacity in intermittent or continuous operation
• Control of fan and butterfly valve
• Simple system set-up thanks to optional tightness control and
integrated ignition unit
• Easy start-up and maintenance thanks to Manual operating mode
• Optionally available with integrated fieldbus interface for simple
wiring

Honeywell BCU 370 Specifications

General

Brand	Honeywell
Model	BCU 370
Category	Control Unit
Language	English

Summary

2 Certification

3 Function

3.2 BCU 370 Program Sequence

Details the step-by-step operational sequence of the BCU 370 during start-up.

3.3 Tightness Control

Explains the function and procedure for monitoring gas solenoid valve tightness.

3.4 PROFIBUS DP

Describes the PROFIBUS DP communication interface and its configuration.

3.6 Fault Message (Blinking)

Details fault messages, their display codes, and corresponding fault lock-out/shut-down actions.

4 Parameters

4.2 Flame Control

Details the settings and functions related to flame detection and monitoring.

4.3 Behaviour During Start-up

Configures parameters affecting the burner's start-up process.

4.4 Behaviour During Operation

Configuration of parameters for normal burner operation.

4.5 Monitoring and Tightness Control

Settings for gas pressure and tightness monitoring functions.

4.6 Air Control

Configuration settings related to air supply and fan control.

4.7 Control using PROFIBUS DP

Configuration and control parameters for PROFIBUS DP communication.

4.9 Fault Messages

5 Selection

5.1 Type Code

Explains the product's type code structure for ordering and configuration.

6 Project Planning Information

6.4 Safety Interlock (Limits)

7 Flame Control

7.1 ...with Flame Rod

7.2 ...with UV Sensor

9 Technical Data

9.1 PROFIBUS DP