OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
iC 215 ÷ iC 780
37
The data in this manual are not binding and they can be modified by the manufacturer without notice.
Reproduction of this manual is strictly prohibited
EN
ENGLISH
To return to normal display mode press
or wait for the time-out.
To reset the running hours proceed as follows:
•
Open the functions menu by pressing
•
In the
Hour
function use
or
to select the label
CO1H
or
CO2H
or
CO3H
or
CO4H
or
EP1H
or
EP2H
•
Press
for 3 seconds in correspondence with the compressor label
CO1H
or
CO2H
or
CO3H
or
CO4H
or
EP1H
or
EP2H
; the upper display will show the running hours in flashing mode (reset in progress) followed
by 0 to confirm that the value has been reset, and then progresses to the next load.
To exit the reset function and return to normal display mode press
or wait for the time-out.
7 . 9 . 5
C o n d - D i s p l a y o f p e r c e n t a g e / n u m b e r o f c o n d e n s i n g s t e p s
In the functions menu you can view the working percentages of the fans proportional output.
Cnd1 Condensing fans control proportional output.
Proceed as follows to display:
•
Open the functions menu by pressing
•
With the
or
buttons select the
Cond function
•
Hold down button
. The lower display shows
Cnd1
, the upper display shows the work percentage.
To return to normal display mode press
or wait for the time-out.
In dual circuit units, to display the number of fan steps activated open the functions menu by pressing
:
•
With the
or
buttons select the
Cond function
•
Press
. The lower display shows
Cnd1
, the upper display shows the number of steps activated.
Use
or
to select the label
Cnd1
or
Cnd2
on the lower display; the upper display shows:
To return to normal display mode press
or wait for the time-out.
7 . 1 0
u S - T a n k h e a t e r p r o b e d i s p l a y
The temperature / pressure value of the probes that control the auxiliary outputs can be displayed in the functions menu.
FUNCTION
uS
display of temperature / pressure value; identification label in function
uS
:
•
uSt1
value measured by circuit 1 auxiliary probe
•
uSt2
value measured by circuit 2 auxiliary probe
•
To display the probe values:
•
With the
or
buttons select the
uS
function and press
.
•
The lower display will show the label
uSt1
(if the auxiliary probe is configured for temperature) or
uSP1
(if the auxiliary probe is configured for pressure); the upper display will show the measured temperature /
pressure value.
•
Use
or
to display the measured pressure value of auxiliary output 2, if present.
•
To return to normal display mode press
or wait for the time-out.
7 . 1 1
A l a r m s
The electronic controller manages the display, reset and logging of a large number of alarms.
7 . 1 1 . 1
A l a r m s d i s p l a y a n d r e s e t
( A L r M f u n c t i o n )
ATTENTION
With this procedure you can reset all the alarms except for the compressor thermal cut-out alarms for which the
password will be required: 14.
To open the functions menu proceed as follows:
•
Open the functions menu by pressing
•
With the
or
buttons select the
ALrM
function
•
Press
.
If no alarms are present, pressing
is not enabled.
•
The lower display shows the label with the alarm; the upper display, if the alarm displayed is resettable, shows
the label
rSt
or
no
if the alarm condition is still present.
•
Pressing
in correspondence with label
rSt
resets the alarm and the system goes to the next one; if this too
is resettable, press
to reset it and go to the next one.
•
If you want to scroll through all the alarms present press
or
.
To exit the
ALrM
function and return to normal display mode press
or wait for the time-out.