1 General Information
2021/11
9964042xx1-mub-en - V02
3
1
General Information
1.1
Scope of these instructions
These instructions describe the assembly of the switch valve set for the 3-fold and 4-fold
cascade of the FriwaMidi DN 20 and the FriwaMaxi DN 25.
The chapters called [specialist] are intended for specialists only.
The commissioning of the Friwa modules is described in the respective instructions
of the domestic hot water modules that are enclosed with the individual modules.
For other components of the installation, such as storage tanks, controllers or pumps,
please observe the instructions of the corresponding manufacturer.
1.2
About this product
The switch valve set for the Friwa-Kaskade contains the piping within the individual modules,
the thread connections, the required number of connecting lines and 2-way zone valves.
The motor-driven ball valves are DVGW certified and suitable for DHW modules.
In the manual mode, the ball valves can be opened and closed manually.
1.3
Designated use
The switch valve set is used to cascade three or four identically constructed domestic
hot water modules. The technical data specified in these instructions must be observed.
Improper usage excludes any liability claims.
Carefully read these instructions before installation and commissioning.
Save these instructions in the vicinity of the installation for future reference.