ACH550 E-Clipse Bypass User’s Manual 2-51
Bypass functions overview
Energy Saving Estimator setup
Verify the connected equipment is ready for operation. Set the following Parameters:
• Parameter 1627 – set to local cost of energy in cents per kilowatt hours
• Parameter 1629 – set to desired hours of initial bypass operation to establish
energy usage baseline
• Select Bypass Mode on E-Clipse Keypad
• Parameter 1628 – set to ENABLED
•Start Bypass
• Run Bypass for at least the LEARN TIME set in Parameter 1629
• Select Drive Mode on E-Clipse Keypad
• Operate System normally
Note: The learn mode is terminated by any of the following conditions:
User clears the learn mode request (Parameter 1628 = NOT SEL)
The running time in learn mode equals the time set by Parameter 1629
The user enters drive mode.
At the end of learn mode, the average bypass power is calculated.
From that point on, whenever the system is operated in drive mode, it keeps a
running total of the energy savings.
The energy savings is measured from a certain point in time. This starting point is
triggered by any of the following events:
Learn mode is terminated
Drive parameter 0115 (KWH COUNTER) is reset
Bypass parameter 0114 (KWH SAVED) is reset
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