Instruction manual GWV 29
is
3.8 Gas connection Warning
The installation should be carried out by an authorised installation engineer,
in compliance with general and local regulations (1.3 "Regulations").
Caution
Make sure that the diameter and length of the gas supply pipe are large
enough to supply sufficient capacity to the appliance.
See (D) in the installation diagram (3.5 "Installation diagram").
1. Fit a manual gas valve (10) in the gas supply pipe.
2. Blow the gas pipe clean before use.
3. Close the gas system.
4. Fit the gas supply pipe to the gas system.
Warning
After fitting, check for leaks.
3.9 Air supply and flue
3.9.1 Introduction
This section covers the following subjects:
•Requirements for flue gas discharge materials
•Parallel connections
•Specifications
3.9.2 Requirements for flue gas discharge materials
Warning
Installation must be carried out by an authorised installation engineer, in
compliance with general and local regulations (1.3 "Regulations").
Types of appliances
The appliances are approved for appliance types C13, C33 and B23. The figure
and table give information about appliance types C13 and C33. For an
explanation of the possibilities, please contact the manufacturer.