Tank heat transfer module Midi

up to 33 l/min (as per SPF LK1)*

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Technical data

Application range

● for charging/preheating domestic hot water tanks via large buffer tank

systems with high tap performances

The CE-conformity of the module has been certified according to

DIN EN 60335 and SVGW.

Equipment

Check valves

Heat exchanger

Sensors

Controller

Materials

Valves and fittings

Gaskets

Insulation

Heat exchanger

*For information on design data, see "Product range Friwa" ; You will find the

equipment at the end for the product family "Domestic hot water technology".

Dimensions

Nominal diameter

Connections

Width

Centre distance prim.

Centre distance sec.

Height

Installation length

Depth

228

01/2024 • Printed in Germany

PAW GmbH & Co. KG • info@paw.eu • www.paw.eu

primary: 2 x 190 mm wc

B25TH, 40 plates

3 x Pt1000 (integrated) / 3 x Pt1000

(enclosed)

FC4.13

Brass

EPDM / AFM34

EPP

Solder: copper;

Plates + connecting pieces:

stainless steel

DN 20 (3⁄4")

primary: 11⁄2" ext. thread

secondary: 1" ext. thread

602 mm

120 mm

220 mm

795 mm

757 mm

298 mm

Application range

● in solar thermal systems

● in systems with solid fuel boilers, oil or gas boilers

● connection to a buffer tank

● up to 33 l/min

Operating data

Max. operating pressure

Operating temperature

Min. flow rate as per SPF LK 1*

Max. flow rate as per SPF LK 1* as per SPF LK1*

Transmission performance as per SPF LK1*

Kvs value

primary: 3 bar

secondary: 10 bar

95 °C

2 l/min

33 l/min

92 kW

primary: 4,1

secondary: 3.4