Specifications

Boiler installation sequence
Instructions for installation and servicing ecoTEC 839592_13 33
4
-+789 LN 345
-+789 LN 345
Fig. 4.14 Wiring system
> Connect the flex to the L, N and earth plug to the ter-
minal block.
Green/yellow (earth) wire – boiler t
erminal Earth sign
Blue (neutral) wire – boiler terminal N
Brown (live) wire – boiler terminal L
i
Do not connect any power voltage to the con-
nections 7-8-9 or BUS (+,-).
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Ensure that the wires are securely fixed in the
terminal block.
> Refit the terminal box cover by pushing into place
until it clips back into position.
> Raise the control panel.