ZENITH 140
INSTRUCTION MANUAL
90
P211, P221, P231, P241, P25, 2611 - 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 & P2
1
4, 2
2
4, 2
3
4,
2
4
4, 2
5
4, 2
6
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 & P2
1
4, 2
2
4, 2
3
4, 2
4
4, 2
5
4, 2
6
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 & P2
1
4, 2
2
4, 2
3
4,
2
4
4, 2
5
4, 2
6
4). but each time all pumps have
stopped, then the setpoints are sequentially rotated
between the pumps to ensure equal pump use.
4= Alternate 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 & P2
1
4, 2
2
4, 2
3
4, 2
4
4, 2
5
4, 2
6
4) but each
time all pumps have stopped, then the setpoints are
sequentially rotated between the pumps to ensure
equal pump use.
Содержание Zenith 140
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Страница 17: ...PULSAR MEASUREMENT 17 Dimensions Fascia Mount The dimensions of the wall fixing holes are as shown below ...
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