Xylem EPR IM Electric heater-circulator unit EPR (obsolete) - Manual (Page 9)

9
Instruction manual Laing Electric heater circulator unit
www.lainginc.com
In this case, the Electric heater circulator unit has to be connected with 7 leads
to protect each of the semiconductor relays separately. After this has been
done, the leads are combined into one phase.
230V N3 Electrical Diagram
In this case, it is important to ensure the proper phase sequence of the con-
nectors 1 to 3 and 4 to 6.
The integrated control
T
T
L
2