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9.2 Hydraulic schemes
R
Q
Q
P
O
N
H
WD0000080
R
R
R
Item
Description
A
Circulation pump
B
Heat exchanger
C
Backflow preventer
D
Air vent valve
E
Thermostatic hot water temperature limiter (TWB)
F
Thermostatic lead module (TTV)
G
Proportional volume control (PM)
H
Earthing on site
I
Equipotential bonding connection
J
Cold water throttle disc
K
Zone valve for limiting heating flow to apartment
L
Differential pressure regulator
M
Cold water meter distance piece
N
Heat meter distance piece
O
Sensor pocket heat meter
P
Strainer
Q
Swivel nut
R
Ball valve
9.3 Technical specifications
Combi Port XS
Value
Medium
Heating water according to VDI 2035
Operating temperature
5-90 °C
Max. operating pressure
10 bar
Differential pressure
primary heating
0,6 bar
Min. pressure tap water
2,5 bar
Material
Value
Fittings, Tap water
CW617N
Fittings, Heating
CW617N, CW614N
Seals
According to DVGW KTW, W270
Plate heat exchanger
1.4404
Soldering
Copper, vacinox
Pipes
1.4404
Combi Port XS
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Installation and operation manual
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