Vaillant Turbomax boiler wiring

jcsteve · 30 Mar 2006

Can anyone point me in the right direction of a wiring diag for the above?

Model Vaillant Turbomax 828E.

I need to re-coonect the external heating timer that my plumber disconnected.....thanks.

gasgeezer · 30 Mar 2006

terminal 3 permanent live terminal 4 switch live terminal 5 neutral

jcsteve · 30 Mar 2006

gasgeezer said:
terminal 3 permanent live terminal 4 switch live terminal 5 neutral

thanks.....only the timer has 4 connections plus earth........?

chrishutt · 30 Mar 2006

It might help if you said which timer you have. Does it have volts-free switching contacts (as if you'd know!)?

jcsteve · 30 Mar 2006

chrishutt said:
It might help if you said which timer you have. Does it have volts-free switching contacts (as if you'd know!)?

Danfoss Randall 103E7 with six terminals:

1 On
2
3 Com
4 Earth
5 N
6 L

1 and 2 connected to the thermostat.

2,3,4,5,6 go to the boiler......

chrishutt · 30 Mar 2006

You can see the instructions here.

The wiring is simple enough. L, N and E are connected to mains supply and the switched live from the boiler (terminal 3) goes to timer Com (3) and the timer ON (1) goes back to the boiler (4).

If you wire a thermostat in as well it goes in series between the boiler and timer, either between boiler 3 and timer 3 or timer 1 and boiler 4. Timer terminal 2 is spare and can be used to link in the room stat.

jcsteve · 31 Mar 2006

chrishutt said:
You can see the instructions here.

perfect thanks.....I was looking on the vaillant site and not having much luck!

jim

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Vaillant Turbomax boiler wiring

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