Oil Burner Control LOA24.171B27

Description

Oil Burner Control Siemens Landis & Gyr LOA24.171B27

Oil burner control for the supervision, startup and control of 1- or 2-stage forced draft oil burners in intermittent operation.

Yellow-burning flames are supervised with photoresistive detectors QRB..., blueburning flames with blue-flame detectors QRC...

• Applications in accordance with EN 267: Automatic forced draft burners for liquid fuels
• Type-tested and approved in accordance with DIN EN 230:1991
  - Undervoltage detection
  - Bridging contact for oil preheater (not with LOA28.173A27)
  - Special versions including models for incinerator plants and flash-steam generators.
  - LOA36... with color display of flame intensity and operating

Burner controls has a designed lifetime* of 250,000 burner startup cycles which, under normal operating conditions in heating mode, correspond to approx. 10 years of usage (starting from the production date given on the type field).

The oil burner controls are of plug-in design, suitable for installation in any position on burners, in control cabinets or on control panels.
The housing is made of impact-proof, heat-resistant and flame-retarding plastic.
It is of plug-in design (measuring 91 x 62 x 63 mm, including the plug-in base) and engages audibly in the plug-in base.
The color of plastic material of burner controls LOA... are executed in black.
The housing includes ...
- the thermoelectric programmer acting on a multi-tilting switching system, compensated for ambient temperature
- flame signal amplifier with the flame relay
- ... lockout reset button with its integrated lockout indication lamp
If mains voltage drops below about AC 165 V, an electronic circuit ensures that the oil burner control will prevent burner startup or – without releasing fuel – lockout will be initiated.