Elcold PRO 21 Инструкция по эксплуатации онлайн [10/18] 275990
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Elcold PRO 21 Инструкция по эксплуатации онлайн [10/18] 275990

Elcold PRO 21 Инструкция по эксплуатации онлайн [10/18] 275990
User Instructions Low Temperature Freezers Model PRO/XLT
9
Another possibility is the following:
After switching ON the instrument, within 30
seconds, push SET + n keys together for 3s:
the Pr2 menu will be entered.
HOW TO MOVE A PARAMETER FROM THE
“PR2” MENU TO “PR1” AND VICEVERSA.
Each parameter present in “
Pr2” MENU
can be removed or put into “
Pr1”, user
level, by pressing “
SET + n”.
In “Pr2” when a parameter is present in
“Pr1” the LED is on.
HOW TO CHANGE a parameter
To change a parameter value operates as
follows:
1. Enter the Programming mode
2. Select the required parameter.
3. Press the “
SET” key to display its value.
4. Use “UP” or “DOWN” to change its value.
5. Press “
SET” to store the new value and
move to the following parameter.
TO EXIT: Press SET + UP or wait 15s
without pressing a key.
NOTE: the set value is stored even when the
procedure is exited by waiting the timeout
to expire.
HOW TO LOCK THE KEYBOARD
1. Keep pressed for more than 3 s the the
o and n keys.
2. The “POF” message will be displayed
and the keyboard will be locked. At this
point it will be possible only to see the
set point or the MAX o Min temperature
stored
3. If a key is pressed more than 3s the
“POF” message will be displayed.
TO UNLOCK THE KEYBOARD
Keep pressed together for more than 3s
the the o and n keys, till the “Pon” message
will be displayed.
ON/OFF function
TO SWITCH THE INSTRUMENT ON/OFF:
If the function is enabled (par. onF=yES),
by pressing the SET key for more than 4s
the controller is switched OFF. To switch the
instrument on again press the SET key.
PROBES AND MEASURING RANGE
List of Parameters
REGULATION
Hy1
Differential: (-Full Sc. / Full Sc.) Intervention
differential for set point. It can be set with
positive value or with negative value.
The kind of action (direct or inverse) de
-
pends on the S1C
parameter (in or di).
LS1
Minimum set point: (Down Sc.÷ Set) Sets the
minimum acceptable value for the set point.
US1 Maximum set point: (Set÷ Full Sc.) Sets
the maximum acceptable value for set
point.
S1C
Action type: S1C=in inverse action (heat-
ing/ humidifying/increase pressure);
S1C=dir
direct action (cooling /dehumidifying/de
-
crease pressure).
AC
Anti-short cycle delay: (0÷250 sec) Minimum
time between the switching off and the fol
-
lowing switching on
on
Minimum time a stage stays switched ON
(0÷250 sec)
ono:
Minimum time between 2 following switching
ON of the same load (0÷120 min).
Pro Down Scale Full Scale
be
NTC -40˚C/-40˚F
TcS
TcJ
TcK
Pt10
0
PTC
110˚C/230˚F
-200˚C/-328˚F
0˚C/32˚F
0˚C/32˚F
0˚C/32˚F
-50˚C/-58˚F
600˚C/1112˚F
1300˚C/1999˚F
600˚C/1112˚F
1400˚C/1999˚F
150˚C/302˚F

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