Xylem HV 1.1 - 1.2 - Manual (Page 49)

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pump has reached the programmed release-frequency. (Adjustable from 0.0 Hz to
70 Hz). If you don’t want to start a following pump this value has to be set higher
than the MAX. FREQUENCY (see chapter 13.5.1)
Press Î on the controller to change to
13.7.4 Switch Interval
Switch Interval
24 hours
For changing the master pump and follow-up
pump in order to achieve even operating hours of
the pumps. Adjustable between 0 and 250 hours
To leave the submenu press the Î key longer than 3 sec.!
13.8 Submenu Relay
Submenu
Relay
To enter this menu you have to press the Ð key, to
leave the menu, press the Î key longer than 3 sec.
13.8.1 Relay Configuration
Relay Configu.
Simple Multicnt.
Possible selections with buttons Ð and Ï:
Simple Multicnt. ⇒ allows to start a following
(simple multi-
constant speed pump.
controller) (see chapter 13.8.2 / 13.8.3.)
Run Signalling ⇒ Run indication over the relay
Error Signalling ⇒ fault indication over the relay
Attn: Max. contact load 500mA / 125V
Press Î on the controller to change to
13.8.2 Start frequency of the slave pump
Slave-On Limit
50,0 Hz
Here you can set the frequency of the speed
controlled HYDROVAR-pump, when the full speed
slave pump should start, if “simple multicontroller” is set in the parameter Relay
configuration (see capter 13.8.1). In this case, the slave pump runs with full speed and
the HYDROVAR-pump controls the additional demand.
Press Î on the controller to change to
13.8.3 Stop frequency of the slave pump
Slave-Off Limit Here you can set the frequency of the speed