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
7.11.15 Fan thermal alarm
7.11.16 High condensing pressure unloading indication in chiller mode
7.11.17 High condensing pressure recovery disabling indication in chiller mode
7.11.18 Evaporator inlet high water temperature unloading indication
7.11.19 Evaporator water pump group thermal alarm
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
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