OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
iC 215 ÷ iC 780
42
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
ENGLISH
EN
7 . 1 1 . 1 5 F a n t h e r m a l a l a r m
7 . 1 1 . 1 6 H i g h c o n d e n s i n g p r e s s u r e u n l o a d i n g i n d i c a t i o n i n c h i l l e r m o d e
7 . 1 1 . 1 7 H i g h c o n d e n s i n g p r e s s u r e r e c o v e r y d i s a b l i n g i n d i c a t i o n i n c h i l l e r m o d e
7 . 1 1 . 1 8 E v a p o r a t o r i n l e t h i g h w a t e r t e m p e r a t u r e u n l o a d i n g i n d i c a t i o n
7 . 1 1 . 1 9 E v a p o r a t o r w a t e r p u m p g r o u p t h e r m a l a l a r m
Display labels meaning
b1tF
(circuit 1 condensing fan thermal alarm)
Cause of trip
With configured circuit digital input active
Reset
With digital input inactive.
Reset
Manual. (reset procedure in functions menu)
Icon
Flashing
E
Action
Alarm relay + buzzer activated
Display labels meaning
b1Cu
(unloading indication from circuit 1 condenser coil)
b2Cu
(unloading indication from circuit 2 condenser coil)
Cause of trip
In operation if the probe configured as condensing pressure or temperature
control detects a value >
CO44
Reset
•
if condensing pressure or temperature measures value <
CO44
-
differential
CO45
•
with unloading active, after time setting Par.
CO48
Reset
Automatic
Icon
Flashing
E
Action
Alarm relay + buzzer NOT activated
Display labels meaning
b1rC
(circuit 1 recovery disabling signal)
b2rC
(circuit 2 recovery disabling signal)
Cause of trip
In operation if the probe configured as condensing pressure control detects a
value > set
rC06
Reset
•
If condensing pressure or temperature measures value < set
rc06
- differential
rC07
•
From recovery disabling function activated after time set in
Par.
rC08
Reset
Automatic
Icon
Flashing
E
Action
Alarm relay + buzzer NOT activated
Display labels meaning
AEun
(unloading from evaporator indication)
Cause of trip
operation if evaporator water inlet temperature measured is > set
CO40
for time
set in Par.
CO42
Reset
•
If the measured water temperature is < set
CO40
- differential
CO41
•
From unloading function active after time set in Par.
CO43
Reset
Automatic
Action
Alarm relay + buzzer NOT activated
Display labels meaning
AtE1
(evaporator water pump thermal cutout)
AtE2
(evaporator second pump thermal cutout)
Cause of trip
ID configured as evaporator water pump thermal cutout active
ID configured as evaporator second pump thermal cutout active
Reset
With ID inactive
Reset
Manual. (reset procedure in functions menu)
Icon
Flashing
E
Action
Alarm relay + buzzer activated