4 Dimensioning and planning
8
99640141x-mub-en - V02
2017/07
4
Dimensioning and planning
The FriwaMini is a domestic hot water module operating on the principle of a flow-type water
heater.
The DHW module will only work flawlessly if the installation meets certain requirements.
Please take some time to plan the installation.
WARNING
Danger of scalding due to hot water!
Undesirable circulation of water in the primary circuit can cause the exit of water
of up to 90 °C at the withdrawal point.
External pumps must not be installed between the domestic hot water
module and the buffer tank.
The domestic hot water module must not be connected to a distribution
manifold of a heating circuit.
Mounting example
FriwaMini circulation with optional return distribution (item no. 640425).
Safety group
according to
DIN 1988
