Cold Start Thermal Shock (Cstp); Manual Mode - Siemens LMV 5 Series User Manual

Cold start thermal shock (CSTP)

If there is a steam boiler that must start up cold in the plant, the fireman will heat the boiler keeping the burner at the lowest output to
prevent thermal shocks.
The LMV control box provides the CSTP (Cold Start Thermal Schock) function that is already set by the Technical service (access by
reserved password).
if this function is enabled, when the burner starts upthe "Thermal shock protection activated" message will be shown.
If this function is not enabled, after startup, the burner will rapidly increase the load according to the requested value and, if necessary,
to the maximum output.

Manual mode

To by-pass the thermal protection or not to let the buner operate in high flame stage after ignition, the manuale mode is provided.
To choose the manual mode (Manual Operation), use the SELECT arrow keys
Items to be set are the fllowing:
SetLoad: to set the required load percentage
set the required percentage and confirm by pressing ENTER; press ESC to exit.
choose "Autom/Manual/Off
three modes are provided:
Automatic: automatic operation
Burner on: manual operation
Burner off: burner in stand-by
If the BurnerOn mode is choosen,the burner does not follow the modulator and probe settings, but operates at the set load.
Caution: if BurnerOff mode is selected, the burner stays in stand-by
Caution: in the BurnerOn mode, the safety thresholds are set by the Technical Service.
Operational Status
Operation
Manual Operation
Params& Display
SetLoad
Autom/Manual/Off
SetLoad
Curr: 0.0%
New: 20.0%
SetLoad
Autom/Manual/Off
Autom/Manual/Off
Att: Automatic
Nuov: Burner On
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