Vaillant Flue pipe Specifications download pdf (Page 26)

26 Instructions for installation and servicing ecoTEC 839592_12

4.14.2 Connection to the main supply

Fig. 4.13 Opening the electronics box

• Remove the front case and lower the control panel.

• Unclip the bottom of the terminal box cover and hinge

back to reveal the connection plugs.

• Feed the power supply flex into the appliance and the

control panel through the cable clamps provided and

tighten.

-+789 LN 345

Fig. 4.14 Wiring system

• Connect the flex to the L, N and earth plug to the

terminal block.

Green/yellow (earth) wire – boiler terminal Earth sign

Blue (neutral) wire – boiler terminal N

Brown (live) wire – boiler terminal L

Note

Do not connect any power voltage to the

connections 7-8-9 or BUS (+,-).

Note

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.

4 Boiler installation sequence

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Vaillant Flue pipe Specifications Page 26