Page No. 19-GB 8 - 8.1 We reserve the right to make technical changes!
8.1 Normal operation
The current coldroom temperature is indicated in the dis-
play. If one of the keys [ ] or [ ] is actuated, the current
nominal temperature appears. The right decimal point indi-
cation illuminates correspondingly.
If one of the keys [
] or [ ] is actuated for 5 sec., the nomi-
nal temperature can be changed within the released tem-
perature range via keys [
] or [ ]. (A change in the nominal
value in the manner described is possible only if the pass-
word protection has been removed, see 8.2.5).
If a new key actuation does not take place within 10 sec., the
new nominal value will be saved and the room temperature
will be indicated.
During the system start process, “Sd” and the software sta-
tus will appear in the display (e.g. “5.4”). In this manner, the
control unit software status can be determined.
If both keys [ ] and [ ] are depressed in a switched-off
state and the “Stop-Start-Enter” key is subsequently actu-
ated, then the system will be started with a forced defrost.
If keys [ ] and [ ] are not actuated during switch-on, then
the system will be started in the cooling mode. A previously
initiated defrost mode will be switched off, if applicable.
Never depress the keys with a pointed object (e.g. ballpoint
pen, screw driver or the like).
Display indications during operation:
Function German English French
Standby OFF OFF OFF
defrost Abt. dEF. DEg.
Indication with key actuation
and active key-lock
Bo.L Bo.L Bo.L
Fault (x=Error No.) F.x E.x d.x
Version indication “Sd” “5.4”
8. Operating the SD Control unit
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