Xylem IM167 R8 Aquavar CPC (Centrifugal Pump Control) - Manual (Page 109)

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2. WARNING ONLY – In this response, Aquavar will simply issue an alarm/warning displayed
on the keypad screen, but continues to operate.
NOTE: The WARNING ONLY mode may result in damage to the pump if a low water
condition occurs. It is recommended to set this for WARN & CONTROL.
Keypad Failure
In the event of a keypad failure, Aquavar has been configured to fault and shut down the
controller. This functionality can be disabled, or configured to result in a drive fault.
Parameter Name Value/Range Note(s)
24.01 KEYPAD DISABLED (default) Fault message - “PANEL LOSS”
FAILURE FAULT
Set Points, Dual
The Aquavar can alternate between two fixed set points or one fixed point and a variable
set point. The alternating between set points may be accomplished using a digital switch or
through a Fieldbus command.
Parameter Name Value/Range Note(s)
16.01 SP1/SP2 SETP 1 [Default] This parameter defines the source that
SELECT DI4 toggles the Aquavar unit between
FIELDBUS Set Point 1 or Set Point 2.
• SET POINT 1 (Default) indicates that
only set point 1 is being used.
• DI4 is a digital input where “0”
(Open) selects Set Point 1 and “1”
(Closed) selects Set Point 2.
16.02 SET POINT 1 KEYPAD (Default) This selects where the value for
SEL AI 1 Set Point-1or 2 is coming from.
FIELDBUS • KEYPAD - a number [e.g. 100] will
be manually entered via the keypad.
Selecting ANALOG INPUT will require
entry of parameters 16.03-16.04.
16.03 SET POINT 2 KEYPAD (Default) This selects where the value for
SEL ANALOG INPUT Set Point-1or 2 is coming from.
FIELDBUS • KEYPAD - a number [e.g. 100] will
be manually entered via the keypad.
Selecting ANALOG INPUT will require
entry of parameters 16.03-16.04.
22.08 SET POINT 2 OFF, 1…4 Must select source.
SOURCE
EXAMPLE for 16.02 and 16.03 – An irrigation system requires 110 psi for watering all zones, then
during the daytime normal water pressure is set for 60 psi.
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