Diaphragm liquid pump NF 100 Installation and connection
KNF Flodos BA_NF100_EN_10_067676.docx
Translation of original Operating and Installation Instructions 16
6.2. Electrical connection
For pumps with alternating current motors:
DANGER
Risk of electric shock, danger of death
Only have the pump connected by an authorized
specialist.
Only have the pump connected when the power
supply is disconnected.
For pumps with direct current motors:
Only have the pump connected by an authorized specialist.
Only have the pump connected when the power supply is
disconnected.
When connecting the device to a power source, the relevant
norms, directives, regulations and technical standards must be
observed.
Connecting the pump
Make sure that the power supply data match the data on the
motor's type plate. The current consumption can be found on
the type plate.
Connect the motor cables. For electrical data see Chapter 4.
Note the proper polarity.
For DC motors:
red motor cable: +
black / blue motor cable: -
In the case of brushless DC motors:
CAUTION
Damage to the motor
Incorrect polarity may damage the electronics.
Leads DCB-4
Function lead signal name signal
+ voltage red +Vs 12 / 24 VDC
ground blue GND -
control voltage white Vctrl 2 .. 5 VDC
impulse generator
green FG 6 pulses / rot.
Tab. 16
If using AC motors, the power supply must not deviate more
than a maximum of +/- 10 % from the specifications on the
type plate.
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