1C
(1)

1C : Change over switch
1L
(1)

1L : Low level alarm
1H
(1)

1H : High level alarm
2A
(1)

2A : Charging-pump control with two switching elements.
Optionally, two low level alarms.
2L
(1)

2L : Discharging pump control with one switching element.
2H
(1)

2H : Discharging-pump control with one switching element.
2Y
(1)

2Y : Discharging-pump control with two switching elements.
Optionally, two high level alarms.
2HL
(1)

2HL : High and low level alarms
3H
(1)

3H : Discharging-pump control + high level alarm.
Pump control with one switching element.
3L
(1)

3L : Charging-pump control + low level alarm.
Pump control with one switching element.
3Y
(1)

3Y : Discharging-pump control + high level alarm.
Pump control with two switching elements.
3A
(1)

3A : Charging-pump control + low level alarm.
Pump control with two switching elements.
3HE
(1)

3HE : Discharging-pump control + isolated high level alarm.
Pump control with one switching element.
3LE
(1)

3LE : Charging-pump control + isolated low level alarm.
Pump control with one switching element.
3YE
(1)

3YE : Discharging-pump control + isolated high level alarm.
Pump control with two switching elements.
3AE
(1)

3AE : Charging-pump control + isolated low level alarm.
Pump control with two switching elements.
4H
(1)

4H : Discharging-pump control with one switching element.
High and low level alarms.
4L
(1)

4L : Charging-pump control with one switching element.
High and low level alarms.
4Y
(1)

4Y : Discharging-pump control with two switching elements.
High and low level alarms.
4A
(1)

4A : Charging-pump control with two switching elements.
High and low level alarms.
C1C
(1)

C1C : Change-over switch
C1H
(1)

C1H : High level alarm
C1L
(1)

C1L : Low level alarm
C2H
(1)

C2H : Discharging-pump control with one switching element.
C2Y
(1)

C2Y : Discharging-pump control with two elements.
Optionally, two high and low level alarms.
C2L
(1)

C2L : Charging-pump with one switching element.
C2A
(1)

C2A : Charging-pump control with two switching elements.
Optionally, two high level alarms.
C2HL
(1)

C2HL : High and low level alarms.
C3H
(1)

C3H : Discharging-pump control + high level alarm.
C3L
(1)

C3L : Charging-pump control + low level alarm.
C3HE
(1)

C3HE : Discharging-pump control + isolated high level alarm.
C3LE
(1)

C3LE : Charging-pump control + isolated low level alarm.
M1C
(1)

M1C : Change-over switch
M1H
(1)

M1H : High level alarm
M1L
(1)

M1L : Low level alarm
M2H
(1)

M2H : Discharging pump control
M2L
(1)

M2L : Charging pump control