AERMEC VENICE User Manual

22 23/05 – 4840212_00
PRESENCE OF ALARMS
 Note: the user terminal can only be used to access active alarms without a password or, with a password, those dedicated to initialising the unit and optimising it.
The presence of an alarm is signalled by the activation of the buzzer and the illumination of the ashing
icon. Pressing the button mutes the buzzer and displays the
alarm code (in the top line) and any incidental information (in the bottom line).
Alarm activation is recorded in the alarm history. If the alarm goes o automatically, the icon
goes o, the alarm code disappears from the list and the alarm termination
event is recorded in the alarm history.
Procedure (alarm recognition):
1. Press
: the buzzer is silenced, the alarm code appears on the display;
2. Press
/ to scroll through the list of alarms;
3. When nished, select Esc and press
to exit.
Procedure
1 In the presence of an alarm, the buzzer is activat-
ed and the button lights up
.
2 By pressing the buzzer is muted and the
alarm code is displayed; pressing the
/
you scroll down the list of any other alarms.
3 If the end of the alarm list is reached, “ESC” ap-
pears: pressing the key
exits the alarm list.
1
2 3
∼
Reset alarm
By pressing
for more than 3 seconds the alarms are reset: “noAL” indicates that
there are no more active alarms. By pressing
exits the alarm list.
An alarm can be reset by pressing the button for more than 3 seconds. If the condition that generated the alarm is still present, it is reactivated. It is possible to delete the
alarm history via the “ClrH” parameter which can be reached by accessing the Service level from the terminal.
 Note:
— the deletion operation of the alarm history is irreversible;
— see chapter "3Operating functionsp.16" for alarm parameters: evaporator outlet temperature, anti-freeze, compressor;
— the buzzer is activated with all alarms.
LIST OF ALARMS
Code Description Reset Eect Priority Delay
Number of
attempts
Period (s)
A01 Unit: number of permanent memory writes
M - Anomaly No - -
A02 Unit: permanent memory writings M - Anomaly No - -
A05 Unit: user return water temperature probe A Turns the unit o Severe unit 10s - -
A06 Unit: user ow water temperature probe A Turns the unit o Severe unit 10s - -
A10 Unit: ow switch (with user pump 1 active) M Turns the unit o Severe unit
Param. U045/
U046
- -
A19 Circuit 1: condensation pressure probe A Switches o circuit 1 Severe Circuit 1 10s - -
A20 Circuit 1: condensation temperature probe A Switches o circuit 1 Severe Circuit 1 10s - -
A25 Circuit 1: high-pressure switch Param U081 Switches o circuit 1 Severe Circuit 1 No - -
A26
Circuit 1: high condensation pressure/temperature
transducer
M Switches o circuit 1 Severe Circuit 1 No - -
A27 Circuit 1: low pressure transducer A (R) Switches o circuit 1 Severe Circuit 1 No 3 3600
A28 Circuit 1: anti-freeze temperature Param U081 Switches o circuit 1 Severe Circuit 1 Param U052 - -
A29 Circuit 1: low-pressure switch Param U081 Switches o circuit 1 Severe Circuit 1
Param. C049,
C050
3 3600
A30 Circuit 1: compressor 1 overload M Stop compr.1 Circ.1 Circuit 1 fault No - -

AERMEC VENICE Specifications

General

Brand	AERMEC
Model	VENICE
Category	Chiller
Language	English