Wiring Diagrams - Grundfos SA-CSIR Montage- Und Betriebsanleitung

3.3.2 Wiring diagrams

Control
box
Fig. 1 Overview of single-phase connection for Grundfos 3-wire control
boxes
Capacitor
Green
Brown
BRW
Main
Fig. 2 Connection of 0.37 - 0.75 kW SA-CSIR models
Pressure
switch
BRW BLK GRY
Grey
Black
Yellow and
green
Brown
Black
Brown
Grey
GRY
Common
AUX
Use dotted line
for 115 V
operation
Well seal
Neutral
BLK
Fused
switch
Relay
Green
Black
Line
Line
9