Technical data

FriwaMicro, thermally controlled

up to 20 l/min (as per SPF LK 1)*

Application range

• DHW preparation using the principle of a flow-type water

heater

The CE-conformity of the module has been certified

according to DIN EN 60335 and SVGW / ACS.

Application range

• in solar thermal systems in systems with solid fuel boilers, oil or

gas boilers connection to a buffer tank

Operating data

Max. pressure

primary: 3 bars,

secondary: 10 bars

Maximum operating temperature

2 - 80 °C

Min. flow rate

2 l/min

Max. flow rate as per SPF LK 1*

20 l/min

Transmission performance 1 as per SPF LK 1*

49 kW

*For information on design data, see page 230

Equipment

Heat exchanger

Cartrige sensor

Flow switch

24 Plates, Type E8ASH

30-60 °C

Type 1,3 l/min

Dimensions

Materials

Valves and fittings

Gaskets

Insulation

Cartridge sensor

Flow switch

Thermostatic valve

Heat exchanger

Brass

AFM 34, asbestos-free

EPP

Stainless steel

Noryl

Housing / Valve plate: brass

Seals: EPDM

Solder: Copper

Plates + connecting pieces:

Stainless steel 1.4401

Coating (optional): Based on silica

Nominal

diameter

Connections

Centre distance

Width

Height

Depth

Installation

length

DN 15 (1⁄2")

3⁄4" internal thread, flat-

sealing

65 mm

282 mm

420 mm

265 mm

418 mm

Differential pressure diagram

F

r

i

w

a

M

i

c

r

o

01/2020 • Printed in Germany

236

PAW GmbH & Co. KG • 31789 Hameln • Germany • Phone: +49-5151-9856-0 • Fax: +49-5151-9856-98 • info@paw.eu • www.paw.eu