OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
iC 215 ÷ iC 780
31
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
C
HAPTER
7
E
L E C T R O N I C C O N T R O L L E R
7 . 1
U s e r i n t e r f a c e
7 . 2
F u n c t i o n o f b u t t o n s
The icon is flashing during the countdown of the interval between defrost cycles.
The icon is steady on during the defrost cycle (not used).
Compressors operating status icon, lit if the associated compressor is running.
Flashing if the compressor is in timer controlled starting mode.
Shows a temperature value when lit.
If lit in programming mode show temperature setpoints
or differentials.
Flashing if at least one alarm is present
Flashing if the pressure switch digital input is active with the pump running.
Lower display
Shows a pressure value when lit. If lit in programming mode shows
pressure setpoints or differentials.
Clock icon (pumps, compressors operating hours).
When lit in programming mode shows the work load hours.
Flashing in the functions menu indicates the time remaining before
defrost start.
Lit if at least one of the water pumps is running.
FC (not used). AUX lit with tank auxiliary heater on.
Lit if heaters (anti-freeze) heaters are on.
Heat pump operating mode icon (not used).
Not used.
Lit if at least one condensing fan is running.
Upper display
Chiller operating mode icon.
Press twice from the main mask to display the real working setpoint (if present).
Press for 3 seconds from the main mask to edit the chiller setpoint.
Press once in the lower display probes menu to alternate the display of the circuits.
Press once from the main mask to display the chiller setpoint.
Press once in programming mode to edit or confirm a parameter value.
Press once in the ALrM menu to reset the alarm.
Press once to switch the unit ON or OFF in heat pump mode
(not used in chiller-only units).
Press once to switch the unit ON or OFF in chiller mode.
Press once to gain access to the functions menu.
Press once in programming mode to quit the parameters or parameter editing mode.
Press once to display temperature/pressure values on the upper/lower display.
Press once in programming mode to scroll the parameters or increase a parameter value.
Press for 1 second in programming mode to change the parameters access level. See “7.12.1 Access to
parameters”.
Press once from the main mask to display temperature/pressure values on the upper/lower display.
Press once in programming mode to scroll the parameters or decrease a parameter value.