Service manual EKCO.L2N
22
5.4. Power board - universal connection ver.2.
Pic.18. Power board connection 4-14,4 kW 230/400V~ ver.2 (date of production after17-11-2010).
Power supply 230/400V~
U
N
Ground
NA
RP Tzas
Q
Twej Twyj Ciś
ZM
Pompa ZTD
N L N L
N LA LB
Zaś
H.e.
1
H.e.
2
H.e. 3
red
blue
L3
G3
L2
G2
L1
G1
N
V
W
The second version allows you to configure the installation for one or
three-phase power. Boiler is configurated for a single phase by factory.
To connect boiler to three-phase installation should be removed wire on
primary side WT-3, and and connect supply wire (U,V,W) to that place.
