Fluing; Connection; All Dimensions - Vaillant VCW 2O Instructions For Installation And Servicing

F i g . 4
All dimensions in mm
!
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4.2 Fluing
For the installation of the flue set (wall case) ot a
room sealed combi boiler, we reter-to rne
.!-o"t"i"
-in.t"llation
i nstructions No' 806901
iniluded with every flue set.
4.3 Connection
A oeneral view of pipework for gas and water
coinection is given in fig. 5.
The
following procedure describes the
installation.
The wall distance (to the finished wall) of pipe-
woit< toi gas and hbating system is.50 mm and
40 mm for domestic water PiPework'
8
1. Compression union (flow of heating
svstem)
z. S-ervice cock (flow of heating system)
3. Domestic hot water connection
4. Union (gas)
5. Gas service cock
6. Cold water connection with shut-off valve
7. Service cock (return of heating system)
8. Over flow (optional extra)
9. Pressure relief valve
10. Compression union (return of heating
system)
11. Connection support
23. Frame of appliance (lower connection)'