ICS iC 215, Operating And Maintenance Manual

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OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
iC 215 ÷ iC 780
40
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 . 7 H i g h p r e s s u r e s w i t c h a l a r m a n d / o r c o m p r e s s o r t h e r m a l a l a r m
(iC 640÷780 models only)
7 . 1 1 . 8 L o w p r e s s u r e s w i t c h a l a r m
7 . 1 1 . 9 H i g h p r e s s u r e
7 . 1 1 . 1 0 L o w p r e s s u r e
7 . 1 1 . 1 1 A n t i - f r e e z e a l a r m
The anti-freeze alarm is reset automatically. It switches to manual reset after 3 trips/hour.
With the unit in Stand-by or OFF the anti-freeze alarm message is tripped in reference to the chiller and heat pump setpoints.
Display labels meaning b1HP
(circuit 1 high pressure digital input) and/or compressor thermal alarm
b2HP
(circuit 2 high pressure digital input) and/or compressor thermal alarm
Cause of trip With unit in ON status and circuit high pressure switch input active and/or
compressor thermal alarm
Reset Input inactive
Reset Reset is always manual
Icon Flashing
E
Action Alarm relay + buzzer activated
Display labels meaning b1LP
(circuit 1 low pressure digital input)
b2LP
(circuit 2 low pressure digital input)
Cause of trip With low pressure switch input of active circuit
The alarm is not signalled:
1. On compressor starting for time
AL01
2. If time
AL64
from activation of the digital input has not elapsed
Reset Input deactivation
Reset Automatic - becomes manual after
AL05
trips / hour (reset procedure in
functions menu)
Icon Flashing
E
Action Alarm relay + buzzer activated
Display labels meaning b1hP
(circuit 1 high pressure analogue input)
b2hP
(circuit 2 high pressure analogue input)
Cause of trip Condensing control probe detects value > set
AL09
Reset Condensing control probe detects value < set
AL09
- differential
AL10
Reset Reset is always manual
Icon Flashing
E
Action Alarm relay + buzzer activated
Display labels meaning b1lP
(circuit 1 low pressure analogue input)
b2lP
(circuit 2 low pressure analogue input)
Cause of trip The alarm is generated when the evaporation pressure alarm reads a pressure
value < set
AL03
When the compressor is started the alarm is not generated for time
AL01
.
Reset If the evaporation control probe measures pressure > set
AL03
+ differential
AL04
Reset Automatic - becomes manual after
AL05
trips / hour (reset procedure in
functions menu)
Icon Flashing
E
Action Relay + buzzer activated