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Burner Control Unit BCU 465

BCU 465T-5/2LR3D3OC

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  • For directly ignited burners of unlimited capacity in intermittent or continuous operation pursuant to EN 746-2
  • Safety time on startup: 5 seconds
  • Safety time during operation: 2 seconds
  • Voltage: 115 V AC, -15/+10%, 50/60 Hz
  • Ignition transformer: TZI 7,5-12/100
  • High temperature operation in conjunction with ionization sensor or UVD
  • Position indicator feedback
  • Additional signal distribution
  • Digital input to interrupt monitoring for flame rod
  • OCS control and circuit board for signal distribution
  • Automatic burner control unit, ignition transformer, indicators, and operating controls are in a space-saving metal housing that replaces the local burner control cabinet
  • Flame control by UV, ionization, or another option using the furnace chamber temperature
  • Display of the program status, device parameters, and flame signal
  • Manual mode for burner adjustment and for diagnostic purposes
  • Programming and diagnostic software BCSoft simplifies logistics management
  • Spacious connection chamber with plug-in terminal blocks and plug-in cable sockets for quick installation and servicing
  • Air valve control relieves the furnace control
  • FM approved

Accessories

Model and Description Price Cart
PCO 200
Optical Adapter for BC Soft with USB interface, includes CD-ROM
Ignition Cable
Silicon Rubber Cable High Voltage 7mm (priced per foot).

Applications

Click on images for close-up view.

Application for BCU 465 Burner Control Unit Single-stage-controlled burner
Control: ON/OFF

The gas/air mixture is adjusted to the requirements of the applications using the differing parameters of air supply and air post ventilation. The pressure switch monitors the air flow in the air supply line or in the flue gas branch.
Application for BCU 465 Burner Control Unit Single-stage-controlled burner with pneumatic group
Control: ON/OFF

The BCU supports the cooling and purging processes. The variable air/gas ratio control compensates for gas/air pressure fluctuations. Optional: The pressure switch monitors the air flow during pre-purge and operation. The gas/air mixture is adjusted to the requirements of the applications using the differing parameters of air supply and air post ventilation.

Specifications

Electrical
Mains voltage: 115 V AC, -15/+10 %, 50/60 Hz
Inherent consumption: approx. 9 VA plus inherent consumption of the ignition transformer.
Voltage to inputs and valves: mains voltage
Signal and control line: max. 2.5 mm2
Cable for burner earth/PE wire: 4 mm2
Input voltage signal inputs: Signal "1": 80 - 126,5
Signal "2": 0 - 20
Input current signal inputs: Signal "1" typ. 2 mA
Output current: Max. 2 A per output, but total current for valves and ignition transformer: max. 2.5 A.
Fail-safe inputs and outputs: All the inputs and outputs marked "FS" may be used for safety tasks.
Flame control: Sensor voltage: approx. 230 VAC
Sensor current: > 1 µA
Length of sensor cable: max. 5 m
Fuse in unit: F1: 3.15 A, slow-acting, H pursuant to IEC 127-2/5
F3: 3.15 A, slow-acting, H pursuant to IEC 127-2/5 (on BCU..C).
Ignition Transformer
Type: TZI 7.5-12/100R
Input: VAC: 115
Hz: 50 (60)
A: 1.2 (0.9)
Output: V: 7500
mA: 12 (9)
Operation and fault signaling contacts
Signalling contact (not floating): max. 2 A, 264 V, not internally fused
Max. number of operating cycles: 1,000,000
Mains switch: 1000
Reset/Information button: 1000
Operation and Environment
Length of Burner cables: max. 5 m. (16.4 ft.)
Ambient temperature: -20°C (-4°F) to +60°C (+140°F) (no condensation permitted)
Construction Materials
Enclosure: IP 54 pursuant to IEC 529
Housing: Die-cast aluminium with plug-in terminal blocks and plug-in M20 cable glands.
Weight: Approx. 5 kg (11 lbs.) depending on version.

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