M
A
B
AB
A
P
O
N
E E E E
F
G
M
L
K
D
C
B
H
A
DHW
B
Hot water inlet from the heat exchanger
C
Heating lance
D
Plate heat exchanger
E
Air vent valve
F
Heating water flow from the heat pump
G
Heating water return to the heat pump
H
Heat pump
K
Line regulating valve
L
Non-return valve
M
Cylinder loading pump
N
Shared cold water connection with safety assembly to DIN 1988
O
Vitocell 100-L
P
Cylinder temperature sensor of the heat pump
Cylinder loading systems — Vitocell 100-L with Vitotrans 222
(cont.)
30
VIESMANN
DHW heating
5
5414646