cr 1s 4 a fgj a e hqqe 92899764 an external thermal switch must

an external thermal switch must be connected (contact Grundfos)

it is all a matter of inserting the plug into a power supply socket

vent tubing

The motor includes a frequency converter and PI controller in the motor terminal box

cr 1s 4 a fgj a e hqqe 92899764 an external thermal switch mustVertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). The pump head and base are in cast iron all other wetted parts are in stainless steel. Power transmission is via a rigid split coupling. Pipe connection is via combined DIN ANSI JIS flanges. The pump is fitted with a 1 phase, fan cooled asynchronous motor.