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BCU 460T-5/2LR3
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- 1st trial for ignition period: 5 seconds
- Air valve control relieves the furnace control
- Automatic burner control unit, ignition transformer, indicators, and operating controls are in a space-saving metal housing that replaces the local burner control cabinet
- For use with directly ignited burners of unlimited capacity in intermittent or continuous operation pursuant to EN 746-2
- Flame control by UV, ionization, or another option for using the furnace chamber temperature
- Display for 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
- FM approved
- Learn More:
- Documentation
- Accessories
- Applications
- Specifications
Documentation
Accessories
| Model and Description | Price | Cart |
| PCO 200 Optical Adapter for BC Soft with USB interface, includes CD-ROM |
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| Ignition Cable Silicone Rubber Cable High Voltage 7mm (priced per foot). |
Applications
Click on images for close-up view.
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Modulating-controlled burner Control: ON/OFF/Continuous The external control system moves the butterfly valve for air to ignition position. The burner starts at low-fire rate, and a regulator controls the burner capacity via the butterfly valve for air after the operating state has been signalled. |
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Two-stage-controlled burner ("L" products) Control: ON/OFF or ON/HIGH/LOW/OFF The BCU supports the cooling and purging processes. The burner starts at low-fire rate. When the operating status is reached the BCU advises the control unit. The PLC can now pulse the air valve in order to control the burner capacity. |
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Single-stage-controlled radiant tube burner ("L" products) Control: ON/OFF The BCU supports the cooling and purging processes. |
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. |
