Siemens HydroRanger 200 Instruction Manual Page 70

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Page 56 HydroRanger 200 – INSTRUCTION MANUAL 7ML19981FC01
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Pump Control
Set Relays to FIRST IN FIRST OUT (FIFO) ASSIST
Set the Relay ON Setpoints
Set the Relay OFF Setpoints
Optional Pump Controls
Starting Pumps by Rate of Level Change
Use this function when multiple pumps will be controlled by rate of level change rather
than setpoints. Pumping costs can be reduced because only the highest ON setpoint
needs to be programmed. This results in a lower difference in head to the next wet well
which, in turn, results in less energy being used to pump out the well.
Parameter Index Value Description
P111 1 56 Sets the pump relays (index 1, 2, and 3) to
FIFO DUTY ASSIST.
P111 2 56
P111 3 56
Parameter Index Value Description
P112 1 0.4m Sets the three setpoints for the pump relays.
The first cycle will use these setpoints.
Subsequent cycles rotate the setpoints
among the pumps.
P112 2 0.3m
P112 3 0.2m
Parameter Index Value Description
P113 0 1.3m By using index 0 all HydroRanger 200 are set
at the same time, including any alarm relays.
Use with caution.
Parameter Index Value Description
P112 1 1.35 Starting pumps by rate allows all setpoints to
be set higher to save money by pumping from
the highest safe level of the wet well.
Notice that all indexed relays for both P112
and P113 are set to the same levels.
The pumps will start on 20 second intervals
until the rate set in P703 is met.
P112 2 1.35
P112 3 1.35
P113 1 0.5m
P113 2 0.5m
P113 3 0.5m
P121 1 1
P121 2 1
P121 3 1
P132 G 20.0
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