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II.12.h) HUW hysteresis
This option is used to set the hysteresis of the set temperature in the
reboiler. This is the maximum difference between the set temperature
(that is the one required in the reboiler) and the current temperature in
the reboiler, at which the HUW pump will b activated (for example: when
the set temperature has the value of 55
After reaching the set temperature, that is 55
down and causes activation of the CH pump. The HUW pump will be re-
activated when the temperature decreases to 50
II.12.i) Feeder auto mode
This option allows to turn off or activate automatic operation of the
feeder. The feeder can be switched off for manual fuel feeding or to cause
the boiler to be extinguished.
II.12.j) Fan auto mode
Automatic operation of the fan can be enabled or disabled using this
function. Blowing can be disabled to manually control the natural
chimney draught.
II.12.k) Clock
You can use the clock settings to enter the current time and day of the week.
II.12.l) Supervision mode
Using this function one should select the combustion parameters
in the case when the temperature in the boiler rises by more than 5 C
above the set value.
In this mode, the fuel feeding time, the feeding pause and the fan's
run during the feeding (blowthrough run) are set . This function will be
turned off automatically when the temperature in the boiler drops down
to the set temperature.
In the case when the PID function is turned off, the supervision
o
C and the hysteresis is 5
o
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C, the HUW pump shuts
o
C).
o
C.
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