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Friwa

DHW

technology

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

SKU
64055
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More Information
paw_waermetauscher_werkstoff Solder: copper, plates + connecting pieces: stainless steel, coating (optional): based on silica
Operating data
Max. operating temperature: 95 °C
Max. operating pressure primary: 3 bars
Max. operating pressure secondary: 10 bars
Max. operating temperature: 95 °C
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
Note: The CE-conformity of the module has been certified according to DIN EN 60335 and SVGW.
Equipment
Controller: FC3.10
Check valves: primary: 2 x 200 mm wc
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
Controller: FC3.10
Circulation: optional
Opening pressure check valve: 200 mm wc
Dimensions
Connection circulation line: 1" ext. thread
Connection secondary: 1" ext. thread
Centre distance secondary: 100 mm
Height: 795 mm
Width: 602 mm
Nominal diameter: DN 20 (¾")
Depth: 298 mm
Installation length: 757 mm
Connection primary: 1½" ext. thread
Connection secondary: 1" ext. thread
Connection circulation line: 1" ext. thread
Centre distance primary: 120 mm
Centre distance secondary: 100 mm
Materials
Valves and fittings: Brass
Gaskets: EPDM / AFM34
Insulation: EPP
Check valves: Brass
Design data (Friwa)
Cold water inlet temperature: 10 °C
Set hot water temperature: 45 °C,60 °C
Withdrawal capacity Friwa: Withdrawal of hot water with 45 °C at the preset hot water temperature
Withdrawal capacity: min. flow rate: 2 l/min
Withdrawal capacity: max. flow rate: 50 l/min
Withdrawal capacity: flow rate: 64 l/h 53 l/min
Max. transmission performance 1: 121 kW
Max. transmission performance 2: 155 kW
Max. transmission performance 3: 129 kW
necessary primary flow temperature 1: 60 °C
necessary primary flow temperature 2: 70 °C
Max. withdrawal capacity: 121 kW
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.
*Indication of performance as per SPF test procedure

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