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Verfügbare Sprachen
* Error messages.
In the display of the ALFA 53-Grasso the following error messages can appear:
Sensor errors;
E0
- Oil Sensor failure.
E1
- Cylinder Sensor-1 failure.
E2
- Cylinder Sensor-2 failure.
E3
- Cylinder Sensor-3 failure.
E4
- Cylinder Sensor-4 failure.
E5
- Cylinder Sensor-5 failure.
E6
- Cylinder Sensor-6 failure.
E7
- Cylinder Sensor-7 failure.
E8
- Cylinder Sensor-8 failure.
E9
- Cylinder Sensor-9 failure.
E10 - Cylinder Sensor-10 failure.
E11 - Cylinder Sensor-11 failure.
E12 - Cylinder Sensor-12 failure.
General failures;
NC
- No network communication
EE
- Settings are lost.
Solution for sensor failures E0 ... E12:
- Check if the sensor is connected correctly.
- Check the sensor (1000 at 0 C).
- Replace the sensor.
To reset an alarm press the UP key.
* Technical details.
Model
: ALFA 53-Grasso Thermo-Master
Art. Number : 1298150 (Thermo-Master), 1997150 (Sensor-Module GR12)
: 0/+200 C, readout per 1 C
Range
Supply
: 24 Vdc
Relays
: RY1 Heating
RY2 Fan
RY1 and RY2 have one common (C);
RY3 Alarm
Control
: by pushbuttons on the front.
Front
: Polycarbonate IP65
Input
: Compressor on contact input
: 13x Pt1000 temperature sensor (1000 at 0 C) connected on PCB
Sensors
Network
: RS485 network with supply
Dimensions
: Controller
: PCB
Accuracy
: ± 0,5% of the range
- Provided with memory protection during power failure.
- Connection with screw terminals.
- Equipped with self test function and sensor failure detection.
Sensor alarms;
A0
- Maximum alarm Oil Sensor
A1
- Maximum alarm Cylinder Sensor-1
A2
- Maximum alarm Cylinder Sensor-2
A3
- Maximum alarm Cylinder Sensor-3
A4
- Maximum alarm Cylinder Sensor-4
A5
- Maximum alarm Cylinder Sensor-5
A6
- Maximum alarm Cylinder Sensor-6
A7
- Maximum alarm Cylinder Sensor-7
A8
- Maximum alarm Cylinder Sensor-8
A9
- Maximum alarm Cylinder Sensor-9
A10 - Maximum alarm Cylinder Sensor-10
A11 - Maximum alarm Cylinder Sensor-11
A12 - Maximum alarm Cylinder Sensor-12
Solution:
- Check the network cable
Solution:
- Reprogramme the settings.
SPST 250V/8A(NO), (cos phi=1)
SPST 250V/8A(NO), (cos phi=1)
SPDT 250V/8A(C-NO-NC), (cos phi=1)
(Potential free contact input)
(A,B,V+ and GND) 4-wire shielded cable
to PCB
90 x 71 x 58mm (hwd)
120 x 105mm(hw)
2
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