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5.
Explanation of Parts and Groups
Each cascade configuration exists of the following parts and groups:
1.
The number of boilers as selected in chapter 3.
2.
The frame group (with locking plates) as determined by the number of boilers.
3.
An external pump for each boiler.
4.
Connecting sets to connect the boilers to the hydraulic and gas header groups. Each connecting set
contains one gas, one supply and one return pipe. More details can be found in chapter 6.
5.
Hydraulic and gas header group, existing of 1 gas, 1 supply and 1 return header, including all mounting and
connecting parts. More details can be found in chapter 7.
6.
Low-loss header to connect the hydraulic group to the heating installation.
Figure 5.1 Cascade parts and groups.
Boilers (1)
Frame
group (2)
Hydraulic and gas
header group (5)
Low loss header (6)
Connecting sets (4)
Pump (3)
