Lennox e-Baltic D BOX 55, Инструкция по установке, эксплуатации и обслуживанию

Страница: 21 / 92

FLAMMABLE GASES
e-BALTIC-IOM-2020.12-EN
18
MEANING OF LEDS
The alarm relay is used to raise the presence of gas. The fault relay is used to detect the presence of a fault on the sensor.
Start up and normal operation
LED Analog output Relay
Power Alarm Default Alarm Default
Start-up
Diagnostic (0.5sec) < 2 mA OFF Fault
4
Preheat < 2 mA OFF Fault
4
Normal operation
2
4 -20 mA
1 3
OK
5
Specific operations or alerts
LED Analog output
Power Relay
Power Alarm Default Alarm Default
Maintenance message
2
4 -20 mA
1 3
OK
5
Special mode
6 7
2 mA
7
Fault
4
Fault detected
6 7
2 mA
7
Fault
4
Processor failure < 1 mA OFF Fault
4
Bump test
LED Analog output
Power Relay
Power Alarm Default Alarm Default
Normal operation
2
4 -20 mA
1 3
OK
5
Press the test button
for 20 seconds
Bump test 20 mA OFF OK
5
Release the test button
Normal operation
2
4 -20 mA
1 3
OK
5
1
The status depends on the concentration of the gas measured.
2
The status depends on the concentration of the gas measured and the alarm threshold.
3
The status depends on the concentration of the gas measured, the alarm threshold and the operating mode.
4
Relay deactivated, contact open.
5
Relay activated, contact closed.
6
LED cyclically flashing during message sending.
7
Previous status does not change.