Lutz B70H, Translation Of The Original Instructions

Page: 17 / 24

17
en
0698-451 B70H - 07/2020
NOTICE
Incorrect rotating direction may damage the mechanical seal and lead up to leakage!
► For pumps with clockwise rotating direction-dependent mechanical seals ( → Fig. 10), motor’s direction
of rotation must correspond to the direction of rotation arrow ( → Fig. 11). Reconnect the motor as
necessary.
5.3 Operating a three-phase motor with attached frequency converter
Default setting:
Button Start starts the pump
Button Stop stops the pump
Button (reverse rotating direction) without function
Button I activates mode I „Pumping“
Button II activates mode II „Emtying“
Button Reset resets the pump in case of malfunction
Speed controller
(Potentiometer) for manual
speed adjustment
Pumping
Rotating to the right
Target value set at
potentiometer
(10-50 Hz)
Emptying
Rotating to the left
Fixed speed 5 Hz
(optionally without
function or 10-50 Hz)
Fig. 10
Fig. 11