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FriwaMidi up to 50 l/min, FC3.10

Domestic hot water preparation operating on the principle of a flow-type water heater

Withdrawal capacity: 2-50 l/min
Circulation: optional

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Operating data
Max. operating pressure primary: 3 bars
Max. operating pressure secondary: 10 bars
Kvs value primary: 4.1
Kvs value secondary: 3.4
Max. flow rate: 50 l/min
Transmission performance: 129 kW
Min. flow rate: 2 l/min
Max. operating temperature: 95 °C
Shut-off valves: Ball valves and piston valves
Sensors: primary: 1 x Pt1000 / secondary: 2 x Pt1000 / 1 x flow meter
Temperature sensor: primary: 1 x Pt1000; secondary: 2 x Pt1000
Opening pressure check valve: 200 mm wc
Controller: FC3.10
Height: 795 mm
Width: 602 mm
Nominal diameter: DN 20 (¾")
Depth: 298 mm
Installation length: 757 mm
Connection primary: 1½" ext. thread
Centre distance primary: 120 mm
Connection secondary: 1" ext. thread
Centre distance secondary: 100 mm
For sensor
Depth: 298 mm
Field of application:
Domestic hot water preparation operating on the principle of a flow-type water heater

Application range:
In solar thermal systems
In systems with solid fuel boilers, oil or gas boilers
Connection to a buffer tank
As a 2-fold cascade up to 100 l/min (as per SPF LK 1)*
No domestic hot water tank necessary
Energy for heating the water is taken from the buffer tank
Operating data:
Max. operating pressure: primary = 3 bars, secondary = 10 bars
Max. operating temperature: 95 °C
Min. flow rate: 2 l/min
Max. flow rate: 50 l/min

The CE-conformity of the module has been certified according to DIN EN 60335 and SVGW / ACS.

*Indication of performance as per SPF test procedure

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