DORCHESTER DR-FC 120, Installation, Comissioning And Maintenance Instructions

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Instruction manual DR-FC 27
is
3. Close the manual gas valve.
4. Fit the gas supply pipe to the gas control valve.
Warning
After fitting, check for leaks.
3.9 Air supply and
chimney flue
discharge
3.9.1 Introduction
This section covers the following topics:
•
Requirements for flue gas discharge materials
• Concentric connections
• Parallel connections
3.9.2 Requirements for flue gas discharge materials
Warning
The installation should be carried out by a competent person, in compliance
with general and locally applicable regulations (1.3 "Regulations") .
Depending on the approved installation types, there are several alternatives for
connecting the air supply and chimney flue.
The water heaters are approved for installations of type B23, C13, C33, C43,
C53 and C63.
This manual discusses installation types C13 and C33 in detail. If the water
heater has to function in accordance with B23, C43, C53 or C63, you can obtain
more information by contacting the supplier.
The figure and table give information about these types of installation. For an
explanation of the possibilities, please contact the manufacturer.