32
Technical data
General technical data
Max. operating pressure
(primary side)
6 bar
Max. operating pressure
(secondary side)
10 bar
Max. operating
temperature
95 °C
Max. pump head
(primary side)
6 m
Number of heat
exchanger plates
30
K
v
(primary side)
1.85
K
v
(secondary side –
draw off operation)
0.76
K
v
(secondary side –
circulation operation)
0.96
Minimum cold water pres-
sure (at a nominal draw off
capacity of 20 l/min)
3.5 bar*
Fluid
Primary side
Heating water
Secondary side
Potable water
Materials
Valves
Brass / dezincification
resistant brass
Seals
PTFE
Insulation
EPP
Pipes
Stainless steel 1.4401 /
1.4404
Heat exchanger stainless
steel, copper brazed
Stainless steel 1.4401
Brazed copper
Heat exchanger stainless
steel, nickel brazed
Stainless steel 1.4401
Brazed nickel
Connections
Connections (primary side)
G1 flat sealing
Connections
(secondary side)
G
3
⁄
4
flat sealing
* the pressure has to be increased accordingly if
draw off capacities are higher