Open Fluid Appliance; Balanced Fluid Appliance - Vaillant VCW 2O Instructions For Installation And Servicing

4.4.1 Open flued aPPliance
Unpack boiler from carton and remove side
oarieis las in 8.1'1.), lint arrestor (as in 8'2'2)
inO pait ing aids as well as plastic caps.from
the ionneciions. Insert the appliance wltn tne
connection tubes downwards into the com-
oiession unions of the service cocks and hang
it on to the bolts(1) and fasten screws (10)'
Fasten compression unions (6) and union nuts
ig), using thb attached washers (1 1)'
4.4.2 Balanced f lued aPPliance
Unoack boiler from carton and remove side
Janels (as in 8.1.1 .) and packing aids as wellas
blastic baps from the connections. Fit the flue
buct (20) irtitn tne 2 sheet metal screws (22) to
the t;le6copic duct (16) of the terminal/duct
assemblY.
Insert the appliance with the connection tubes
downward iirio the compression unions of the
service cocks and hang it on to the threaded
bolts of the wall case (1), fig. 14. Fasten nuts,
compression unions (6, fig. 13) and union nuts
is, iig. 13) using the attached washers
( 1 1 , f i g . 1 3 ) .
20 21
1 Fixing bolts
16 Telescopic duct
1 9, 22 Sheet metal screw
20 Flue duct
2'l Flue bend
F i g . 1 4
12