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Automatic Burner Control Unit for gas and oil burners
Pilot and Main fuel valves + Air valve and pressure switch
Remote control through process inputs or fieldbus
High-temperature option for flame surveillance bypass
Intermittent or continuous operation

QBK FULL – 1 or 2 stages + process inputs / outputs

• Natural or forced draught gas burners.
• Blue flame oil burners.
• Single stage burners.
• Dual stage burners.
• Flame detection by means of UV sensor, dual or single electrode.
• Air valve or fan output, following cycle or independently controllable.
• Low air pressure switch.
• Burner ON output.
• Burner LOCKOUT output.
• Remote RESET input.
• Remote AIR control input
• THERMOSTAT 1 input for remote burner control.
• THERMOSTAT 2 input for independent main burner control.
• High-temperature option for flame surveillance bypass.
• Optional independent main flame supervision.
• Built-in fieldbus control.
• Infrared commissioning interface (smartphone app).
• Led-bar flame signal indicator.
• Independent and configurable flame sensitivity for pilot and main burners.
• Advanced self-diagnostic report of cycle status, lockouts and failures.
• Log memory for lockouts and faults.


FRONT PANEL
FITTING SCREWS 1
FLAME SIGNAL BARGRAPH – RED 2
STATUS DISPLAY 3
RESET / SHUTOFF BUTTON 4
COM INDICATOR – YELLOW 5
AIR OUTPUT INDICATOR – BLUE 6
HI-TEMP BYPASS INDICATOR – RED 7
INTERNAL
8 MAIN TERMINAL BOARD
9 POWER SUPPLY FUSE 1
10 INPUT/OUTPUT TERMINAL BOARD
11 INPUT VOLTAGE SPECIFICATION
1 ULTIMATE PROTECTION AGAINST DANGEROUS CONDITIONS BY MEANS OF INTERNAL NON REPLACEABLE 5A SAFETY FUSE
ORDER CODE DESCRIPTION NOTE
1488.33.0F QBK FULL 115 115
Power supply 115V – Process inputs 115V
ACTIVE
1488.34.0F QBK FULL 115 230
Power supply 115V – Process inputs 230V
ORDER RELATED
1488.32.0F QBK FULL 115 24
Power supply 115V – Process inputs 24V
ORDER RELATED
1488.44.0F QBK FULL 230 230
Power supply 230V – Process inputs 230V
ACTIVE
1488.43.0F QBK FULL 230 115
Power supply 230V – Process inputs 115V
ORDER RELATED
1488.42.0F QBK FULL 230 24
Power supply 230V – Process inputs 24V
ORDER RELATED

ORDER CODE MUST BE COMPLETED WITH CONFIGURATION CODE

A JUMPER MUST BE INSTALLED BETWEEN TERMINALS A1•A2 WHEN THE AIR PRESSURE SWITCH IS NOT AVAILABLE AND AIR OUTPUT VA IS ENABLED

THE OUTPUTS AT TERMINALS 11 AND 12 ARE SPST UNPROTECTED DRY CONTACTS
LOAD MUST BE WITHIN THE RATED CURRENT

PROVIDE RELIABLE CONNECTION TO PE (PROTECTION EARTH) AND BURNER FRAME
RECOMMENDED WIRE GAUGE > 4 mm2


LOW AIR PRESS SWITCH INPUT A1
AIR VALVE OUTPUT – L A2
AIR VALVE OUTPUT – N A3
COM INTERFACE – POSITIVE C1
COM INTERFACE – NEGATIVE C2
POWER SUPPLY – N 01
POWER SUPPLY – L 02
MAIN VALVE – N 03
MAIN VALVE – L 04
PILOT VALVE – N 05
PILOT VALVE – L 06
IGNITION TRANSFORMER – N 07
IGNITION TRANSFORMER – L 08
GROUND 09
FLAME SENSOR INPUT 10
11 ► OUTPUT BURNER ON
12 ► OUTPUT BURNER LOCKOUT
13 ► OUTPUTS COMMON
14 ◀ INPUT RESET
15 ◀ INPUT AIR CONTROL
16 ◀ INPUT THERMOSTAT 1
17 ◀ INPUT THERMOSTAT 2
◀ INPUT HITEMP BYPASS
◀ 2ND FLAME SENSOR
18 ◀ INPUTS COMMON
A LOW AIR PRESSURE SWITCH
L EXTERNAL LIMITS
VA AIR VALVE (FAN)
V1 PILOT FUEL VALVE
V2 MAIN FUEL VALVE
Power supply
  • • Voltage115 or 230 V +10-15%
  • • Frequency50/60 Hz
  • • Line FuseQUICK 3 A
  • • Power Consumption< 6 VA
  • • Power Dissipation< 4 W
Environment
  • • Operating Temperature-20...+60°C
  • • Storage Temperature-40...+85°C
  • • Relative HumidityNO CONDENSATION
  • • Protection ClassIP64 / NEMA3
  • • WeightAPPROX 1100 g
  • • Mounting Position ANY
Outputs
  • • Max rated Voltage250 VAC
  • • Max switching Voltage440 VAC
  • • Max Load (per output)2 A PF=70%
Air pressure switch input
  • • Current< 3 mA
Process Inputs
  • • Rated Voltage230, 115, 48, 24 V
  • • Current< 3 mA
Flame detection
  • • Minimum ionization Current> 1 μA
  • • Current limitation< 3 mA
  • • Signal Display0...100% | 0...30 μA
  • • Detector Line Length< 30 m
  • • Single Rod Line Length< 2 m
  • • Detector Voltage< 250 VAC
  • • Detector Insulation> 50 MΩ
  • • UV SensorUV4SH
TraxBus Com Interface
  • • Voltage< 30 VDC
  • • Baud Rate4800, 9600, 19200, 38400

EXTERNAL FITTING HOLES 1
BREAKABLE FITTING HOLES 2
BREAKABLE PG11 HOLES FOR WIRING 3
BREAKABLE PG9 HOLES FOR WIRING 4
M OPTIONAL PIPE FITTING CLAMP
CAST ALUMINUM ALLOY EN AB 46100 OVERALL DIMENSION: 200 x 120 x 71 mm
ELECTROSTATIC POLYESTER COATING COLOR: GRAY RAL9006

QBK is fully confgurable: the same device can be used to control different types of gas and oil burners. Password is required to modify all parameters except for Communication settings.

Customers that want to modify the configuration can apply for specific agreement here. Once approved, all purchased units will have unique password assigned. Since a new label or remark must be placed on the unit when the original configuration is modified, this procedure is not recommended for occasional users.

Configuration code with default settings (red)


Note on EC type-examination

Since EN 298 does not describe all functions of the QBK – implemented to manage all possible industrial scenarios – the operator is responsible for ensuring that parameters and functions are appropriate for the application.
Certification applies only for options and values allowed by EN-298.