Insulation Installation; Back Panel, Combustion Chamber Door And Cable Channel Installation - Viessmann Vitocrossal 300 CT3 Series Installation Instructions Manual

Assembly

Insulation Installation

24
Vitocrossal 300, CT3 Series Installation
Back panel, combustion chamber door and cable channel
installation
1. Fit the finned panels on the top left, center and
bottom left together using pan head screws M 6×10.
2. Hook the left finned panels into the threads of the
spacer bolts and locate them in the side panel tab.
3. Fit the finned panels on the top right, center and
bottom together using pan head screws M 6×10.
4. Hook the right finned panels into the threads of the
spacer studs and locate them in the side panel tab.
5. Attach the finned panels with M 8 nuts and washers
on the spacer studs, and secure together with self-
tapping screws B 3.9×9.5.
6. Attach the bottom of the finned panels with self-
tapping screws B 3.9×9.5.
7. Attach the front panel onto the top of the finned
panels, and secure with screws M 8×10.
Refer to the Installation Instructions for
Vitotronic controls.
8. Thermally insulate the connecting pipe to the boiler
flow (horizontal pipe at the top of the boiler) using
suitable material.