Page
77
Pumps
When P210, 220, 230, 240, 250, 260, 270, 280, 290, 570 =2 (Pump)
When a relay is used for a
pump
function, then the
second parameter
determines the
pump duty
that will be used to control the operating cycle of
the pump(s).
P211, P221, P231, P241, P251, P261, P271, P281, P291, P571
Relay Function,
This parameter defines which
pump duty
the relay should respond to as
follows.
Pump Duty
Description
0= Off (Default)
Relay is always de-energised.
1= Fixed duty assist
All pumps are used to assist each
other (run at the same time) and
each pump has its own setpoints.
(P2
1
3, 2
2
3, 2
3
3, 2
4
3, 2
5
3, 2
6
3,
2
7
3, 2
8
3, 2
9
3, 5
7
3 & P2
1
4, 2
2
4,
2
3
4, 2
4
4, 2
5
4, 2
6
4, 2
7
4, 2
8
4,
2
9
4, 5
7
4).
2= Fixed duty backup
If a pump fails to meet the
demand (due to malfunction,
intake blockage etc.), then it is
stopped and another pump shall
take over. Each pump has its own
setpoints. (P2
1
3, 2
2
3, 2
3
3, 2
4
3,
2
5
3, 2
6
3, 2
7
3, 2
8
3, 2
9
3, 5
7
3 &
P2
1
4, 2
2
4, 2
3
4, 2
4
4, 2
5
4, 2
6
4,
274, 2
8
4, 2
9
4, 5
7
4).
3= Alternate duty assist
All pumps are used to assist each
other (run at the same time) and
each pump has its own setpoints,
(P2
1
3, 2
2
3, 2
3
3, 2
4
3, 2
5
3, 2
6
3,
2
7
3, 2
8
3, 2
9
3, 5
7
3 & P2
1
4, 2
2
4,
2
3
4, 2
4
4, 2
5
4, 2
6
4, 2
7
4, 2
8
4,
2
9
4, 5
7
4). but each time all
pumps have stopped, then the
setpoints are sequentially rotated
between the pumps to ensure
equal pump use.
Содержание QUANTUM3
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