6.6 Functions
The functions are described below in the "Operation" chapter.
6.7
Relay
The pump has two connecting options.
The relay can switch a connected power circuit (e.g. for an alarm horn) in
the event of warnings or fault messages (e.g. warning levels).
The relay can be retrofitted with the retrofit kit via a knock-out opening in
the pump foot - refer to "Retrofitting relays".
This combined relay can generate a contact with each stroke via its pacing
relay in addition to its function as a fault indicating relay.
The relay can be retrofitted with the retrofit kit via a knock-out opening in
the pump foot - refer to "Retrofitting relays".
6.8
Hierarchy of Operating Modes, Functions and Fault Statuses
The different operating modes, functions and fault statuses have a dif‐
ferent effect on if and how the pump reacts.
The following list shows the order:
1. - Test (priming)
2. - Fault, Stop, Pause
3. - Auxiliary frequency (external frequency changeover)
4. - Manual, Extern Contact
Comments:
re 1 - "Priming" can take place in any mode of the pump (providing it is
functioning).
re 2 - "Fault", "Stop" und "Pause" stop everything apart from "Priming".
re 3 - The stroke rate of "Auxiliary frequency" always has priority over the
stroke rate specified by an operating mode in 4.
Fault indicating relay option
Fault indicating and pacing relay option
Functional description
18
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