Rails, Top And Bottom - Viessmann Vitocrossal 300 Installation Instructions For Contractors

Fitting the thermal insulation

Rails, top and bottom

Fig. 12
Rail, front (short)
A
Rail, back (long)
B
1. Insert M 6 screws
4
head rails.
2. Hang the rails onto the screws at the top and bot-
tom.
3. Tighten the screws.
18
(cont.)
1.
M6
2.
3.
halfway into the base and
B
A
Note
Ensure the bottom front rails are flush with the boiler
floor, then align the back rails accordingly.
For a detailed description of the rail alignment, see
chapters "Reinforcing struts and tie-bars" and "Heat
exchanger support panel and heat exchanger thermal
insulation mat".