NANO Precision NPC 015, Service Manual

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The data inside this manual are not binding and they can be modified by the manufacturer without notice. All rights reserved.
NPC 015 TO 230
A07 Antifreeze alarm Digital input
enabled if
BTWOT
< “ set value ” and
actives for the “ time
set ”
“open collector” outlet / alarm relay is
activated
The buzzer is activated
The icon for general alarm flashes
The alarm code is displayed Automatic
It becomes manual after “
tripping per hour ”
Manual
Disabling:
- when the antifreeze regulation probe
BTWOT > “ set value ” in chiller modality;
and resetting procedure
A07 Antifreeze alarm Digital input
enabled “open collector” outlet / alarm relay is
activated
The buzzer is activated
The icon for general alarm flashes
The alarm code is displayed Automatic
It becomes manual after “
tripping per hour ”
Manual
Disabling: digital input not enabled
resetting procedure
A07 Antifreeze alarm
motocondensing
units (Not enabled) Digital input
enabled “open collector” outlet / alarm relay is
activated
The buzzer is activated
The icon for general alarm flashes
The alarm code is displayed Automatic
It becomes manual after “
tripping per hour ”
Manual
Disabling: digital input not enabled
resetting procedure
A08 Flow meter alarm
and pump thermal
alarm (air/water or
water/water units) Digital input
enabled
enabled for “
time
set ”
“open collector” outlet / alarm relay is
activated
The buzzer is activated
The icon for flow meter alarm flashes
The alarm code is displayed Automatic
It becomes manual after “
tripping per hour ”
Manual
Disabling: Digital input disabled for “
time
set ” and reset procedure
A09 Compressor 1
thermal alarm Digital input
enabled “open collector” outlet / alarm relay is
activated
The buzzer is activated
The icon for general alarm flashes
The alarm code is displayed Manual
Digital input disabled and the resetting
procedure is carried out
A10 Compressor 2
thermal alarm Digital input
enabled “open collector” outlet / alarm relay is
activated
The buzzer is activated
The icon for general alarm flashes
The alarm code is displayed Manual
Digital input disabled and the resetting
procedure is carried out
A09-
A10 Compressor 1-2
thermal alarm The alarm is
visualized but not
enabled during
“compressor
thermal delay time”
after compressor
start up
Relay alarm + buzzer activated If ID is not activated
Manual
To reset the alarm enter the programming
A11 Condensation fan
(Not enabled) Digital input
enabled “open collector” outlet / alarm relay is
activated
The buzzer is activated
The icon for general alarm flashes
The alarm code is displayed Manual
Digital input disabled and the resetting
procedure is carried out
A12 Error alarm during
defrosting (not
enabled Defrosting end
(max. time) Displayed code
Only signalling Automatic
With following correct defrosting cycle
Manual
Reset procedure
A13 Compressor 1
maintenance alarm Operating hours >
“
set threshold ”
“open collector” outlet / alarm relay is
activated
The buzzer is activated
The alarm code is displayed Manual
Operating hours reset
A14 Compressor 2
maintenance alarm Operating hours >
“
set threshold ”
“open collector” outlet / alarm relay is
activated
The buzzer is activated
The alarm code is displayed Manual
Operating hours reset
A15 Water pump
maintenance alarm Operating hours>
“
set threshold ”
“open collector” outlet / alarm relay is
activated
The buzzer is activated
The alarm code is displayed Manual
Operating hours reset
A20 Low water
temperature alarm
at evaporator outlet Only units operating
if the temperature
measured by PB2 is
lower than AL23 “open collector” outlet / alarm relay
activated
The buzzer is activated
The alarm code is displayed Automatic
CODE MEANING CAUSE ACTION RESET