
Carel srl: pCO Stage Controller
page 9
P43
identification number
1
0
÷
999
P44
automatic or manual reset alarms
0
0
→
autom. 1
→
manual
P45
time delay at the intervention of alarm relay
0
0
÷
999
min
P46
enabling OFF key
0
0
→
disable 1
→
enable
P47
serial communication baud-rate
0
0
→
1200 1
→
2400
2
→
4800 3
→
9600
4
→
19200
P61
circuit 1 devices switch off mode
0
0
→
full 1
→
partial
P62
cold/warm
0
0
→
cold 1
→
warm
Info button
Code
Description
Def
ault
Rating
Unit of
measure
If1
programme version
ALARM DESCRIPTION
How to manage the Alarms, you have to refer to the parameter P44 at page 16
Alarm button
Code
Description
Effect
Verify
AL 1
Exceeded threshold of the device 1 operation hours
Only signalling
Threshold and hour number
AL 2
Exceeded threshold of the device 2 operation hours
Only signalling
Threshold and hour number
AL 3
Exceeded threshold of the device 3 operation hours
Only signalling
Threshold and hour number
AL 4
Exceeded threshold of the device 4 operation hours
Only signalling
Threshold and hour number
AL 5
Exceeded threshold of the device 5 operation hours
Only signalling
Threshold and hour number
AL 6
Exceeded threshold of the device 6 operation hours
Only signalling
Threshold and hour number
AL 7
Exceeded threshold of the device 7 operation hours
Only signalling
Threshold and hour number
AL 8
Exceeded threshold of the device 8 operation hours
Only signalling
Threshold and hour number
AL 9
Exceeded threshold of the device 9 operation hours
Only signalling
Threshold and hour number
AL 10
Exceeded threshold of the device 10 operation hours Only signalling
Threshold and hour number
AL 11
Exceeded threshold of the device 11 or fan
inveter operation
Only signalling
Threshold and hour number
AL 12
Exceed. hour threshold of the device 1/valve inverter
Only signalling
Threshold and hour number
AL 13
Not operating Eeprom
Only signalling
Reset manufacture values and turn the
pCO off. If when turning on again AL13
remains, replace the board
AL 14
Probe 1 is not connected or does not operate
See page 15
Connections of probe 1
AL 15
Probe 2 is not connected or does not operate
See page 15
Connections of probe 2
AL 16
Detection of high-pressure switch/antifreeze
Device complete stop
Wiring of the digital inputs 1÷10
AL 17
Detection of low-pressure/switch/flow regulator
Device complete stop
Wiring of the digital input 12
AL 18
Stop of the device 1
Device 1 Stop and
inverter of the device 1
Wiring of the digital input 1
AL 19
Stop of the device 2
Stop of the device 2
Wiring of the digital input 2
AL 20
Stop of the device 3
Stop of the device 3
Wiring of the digital input 3
AL 21
Stop of the device 4
Stop of the device 4
Wiring of the digital input 4
AL 22
Stop of the device 5
Stop of the device 5
Wiring of the digital input 5
AL 23
Stop of the device 6
Stop of the device 6
Wiring of the device 6
AL 24
Stop of the device 7
Stop of the device 7
Wiring of the device 7
AL 25
Stop of the device 8
Stop of the device 8
Wiring of the device 8
AL 26
Stop of the device 9
Stop of the device 9
Wiring of the device 9
AL 27
Stop of the device 10
Stop of the device 10
Wiring of device 10
AL 28
Stop of the device 11 or stop of the fan inverter
Stop of the device 11
Wiring of the device 11
AL 29
Probe 1 threshold of high is exceeded
Only signalling
Wiring of the probe 1 and verification
of the threshold of high
AL 30
Probe 1 threshold of low is exceeded
Only signalling
Wiring of the probe 1 and verification
of the threshold of low
AL 31
Probe 2 threshold of high is exceeded
Only signalling
Wiring of the probe 2 and verification
of the threshold of high