Siemens LMS14 User Manual page 296

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Building Technologies Division
Active when:
Temperature of solid fuel boiler + dTFx/dt *10' > comparative temperature +4 K or
boiler pump Q10 = On
A sampling interval (dt) of one minute is used for the purpose of calculating the boiler
temperature rise.
The heat generation lock is deactivated if the boiler pump is switched off again (at the
end of pump overrun), or if the boiler temperature does not exceed the required
comparative temperature by more than 4 K in 10 minutes so that the boiler pump would
not be switched on at all.
The function can be activated/deactivated.
Note!
The function is only active with device address 0 or 1.
Off
Function is deactivated.
On
Function is activated.
User Manual LMS14...
6 The settings in detail
CC1U7471en
28.01.2015