Honeywell Control Box TF836.3 240v (02236U)

The TF 834.3 or TF 836.3 oil burner safety control boxes are suitable to control and monitor oil power burner up to 30 kg/h capacity (approved and certified according to EN230).
A special contact in the control unit short-circuits the thermo-switch of the oil preheater as soon as the burner is operating and the flame signal is present.
Therefore interruption of the burner due to decreasing oil temperature (e.g. in case of high oil flow) can be prevented.
If the control box goes into lock-out mode, the oil preheater power supply is also disconnected.

TYPES AVAILABLE
TF 834.2 1-stage operation post-ignition time ca. 20 sec. low voltage protection according to EN230
TF 834 E.3 1-stage operation no post-ignition low voltage protection according to EN230.
TF 836.3 2-stage operation post-ignition time 2-4 sec. low voltage protection according to EN230

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