P145 PEAK B SETPOINT
Enter the value (similar to Relay B Setpoint, P113) to be used for the
high energy cost period.
This feature allows the pump(s) to be stopped before the normal Relay B
Setpoint, to reduce pump running time during the high energy cost period.
values: 0.000 to 9999 (preset = 0.000)
The following example illustrates high energy cost usage reduction and/or elimination
by utilizing the HYDRO+ Pump Energy Cost Reduction features.
P146 TIME OF DAY SETPOINT
Use this feature to set the time at which a relay set for time day alarm
(P111 = 9) will alarm.
Enter the time in HH.MM (24 hr) format
ENERGY SAVING EXAMPLE
( Wet Well, " Pump Down " Application )
Peak Lead time (P143)
Regardless of the Relay A Setpoint, pump
starts are initiated, and level falls to the
Relay B Setpoint.
Peak Start Time (P141)
Low level for start of high energy cost period. Now
Relay A / B Setpoints are disregarded. Pumping is
initiated only if the Peak A / B Setpoints (P144 /
P145) are reached. *
Peak End Time (P142)
With the high energy cost period now over, Peak
A / B Setpoints are disregarded. Pumping is
initiated as the normal A / B Setpoints are reached.
* When the Peak A Setpoint is not reached, no energy is used during the " high
cost " period. If the Peak A Setpoint is reached, the Wet Well is only pumped
down to 60 %, thereby minimizing " high cost " energy usage.
Normal Operation
During low energy cost period Relay A / B
Setpoints (P112 / 113) are used to initiate pump
starts and pump stops.
PARAMETERS
PL-507 85
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