Xylem IM098 AQUAVAR Model 56 Controller - Manual (Page 38)

➔
➔
➔
Release – Follower Control Enabling of
the lag pump only when required (the
fall-value is reached) and if the lead pump has
reached the programmed frequency.
(Adjustable from 0.0 Hz to 120 Hz). If you don’t
want to start a lag pump this value has to
be set higher than the MAX. FREQUENCY.
Switch Interval For changing the lead pump and lag
pump in order to achieve even operating hours.
Adjustable between 0 and 250 hours.
To leave the submenu press the ➔ key longer than 3 seconds.
Submenu Relay To enter this menu you
have to press the key, to leave the menu,
press the ➔ key longer than 3 seconds.
Relay Configuration Possible selections
with buttons and : Simple Multicnt. ➔
Starts a following pump (slave pump) with
constant speed.
Run Signaling ➔ Run indication over the relay
Error Signaling ➔ Fault indication over the relay
Start Frequency of the Slave Pump Here
you can set the frequency of the speed
controlled AQUAVAR Model 56 Controller pump,
where the full speed slave pump starts, if “simple
multi-controller” is set in the parameter relay
configuration. In this case, the slave pump runs
with full speed and the AQUAVAR Model 56
Controller pump controls the additional demand.
Typically set at 60 Hz.
Stop Frequency of the Slave Pump Here
you can set the frequency of the speed
controlled AQUAVAR Model 56 Controller pump,
where the full speed slave pump stops, if “simple
multi-controller” is set in the parameter relay
configuration. Typically set at 40 Hz.
To leave the submenu press the ➔ key longer than 3 seconds.
Operator Custom Features and Displays
33
ENABLE SEQ. CTL.
45.0 Hz
SWITCH INTERVAL
12 HOURS
SUBMENU
RELAY
SLAVE-ON LIMIT
48,0 Hz
RELAY CONFIG.
SIMPLE MULTICNT.
SLAVE-OFF LIMIT
0.0 Hz