Fitting The Gas Supply Pipe (Accessories); Routing Options For The Gas Supply Pipe - Viessmann Vitocrossal 100 Installation Instructions For Contractors

Fitting the gas supply pipe (accessories)

Note
The illustrations show how the gas supply pipe provi-
ded as an accessory should be routed.
"Gas supply pipe" installation instructions
Position of the gas supply pipe
To provide a better overview, the boiler is shown in the
drawings without its casing.
A
Fig. 6 Boilers up to 80 kW

Routing options for the gas supply pipe

If the Viessmann gas supply pipe (accessories) is not
used, select one of the following pipe routing options:
Routing options for the gas supply pipe
To the side, left
■
■ To the side, right
■ To the back, through the boiler floor
Boiler casing pipe knock-out
On the relevant side or back panel, break out the panel
section along the perforation by tapping lightly with a
hammer.
10
A
Fig. 7 Boilers 120 to 318 kW
"Gas supply pipe" installation instructions
!
Please note
Mechanically loaded gas supply pipes lead to
leaks and appliance damage.
■ When undoing or tightening gas connections,
counterhold with a second open-ended span-
ner.
Ensure all gas connections are kept free of
■
load and torque stress.
Danger
Sharp edged metal panels can cause cuts.
Wear safety gloves.
a = Height between top edge of gas pipe and top
edge of base rail of the boiler max. 60 mm.