Checking The Thermal Insulation Components And Gaskets - Viessmann Vitomax LW Series Operating And Service Instructions

Commissioning, inspection, maintenance
Cleaning the sight glass
Danger
Hot surfaces can cause burns.
Only open the slider in the sight glass for brief
inspection of the flame.
Observe occupational safety. Wear protective
clothing where necessary.

Checking the thermal insulation components and gaskets

A
Fig. 17
Fig. 19 Applies only to type M148
Thermal insulation components
A
Gaskets
B
22
(cont.)
Fig. 18
A