14
EN
3. STARTING TO WORK
After turning the supply on, the controller carries out
the display test, displays the
re81
,
inscription, the program version
and next, displays the measured and set value.
A character message informing about abnormalities may appear
on the display (table 4 - see full version of service manual, available
at www.lumel.com.pl). The On-Off control algorithm with hysteresis gi-
ven in the table 2 (full version of service manual) is set by the manufac-
turer.
Changing the Set Point Value
One can change the set point value by pressing the
or the
button (fig. 6). The beginning of change is signaled by the
flickering point of the lower display. One must accept the new set point
value by pressing the
button during 30 seconds since the last
pressure of the
or
button. In the contrary, the old value will
be restored
.
Fig. 6. Fast change of set point value