Property Boundaries And Transfer Point With Power Storage System - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Preparing for installation
Notes on connecting to the mains supply

Property boundaries and transfer point with power storage system

A
B
C
E
F
kWh
Z1
kWh
S1
kWh
S2
H
~
U
V
Fig. 10 Source: VDE AR-N 4105
Low voltage grid
A
Main power supply
B
Domestic distribution box
C
Property boundary
D
Grid operator
E
Customer
F
20
400V / 230V~
D
G
K
L
1~/N/PE
M
kWh
Z2
1~
N
~
O
P
(cont.)
Power distribution
G
On-site consumers
H
Short circuit protection
K
Overload protection, RCD
L
Vitovalor PT2
M
GS protection
N
Inverter (DC/AC converter) S
O
Fuel cell
P
U Power storage system inverter
Power storage unit
V
S1 Bidirectional power storage management meter
(power storage system standard delivery)
S2 Bidirectional energy management meter (not rele-
vant for billing by the grid operator)
Z1 Balancing bidirectional meter (observe meter cir-
cuit)
Z2 Export meter (standard delivery on Vitovalor PT2)
= 0.75 kVA
EMAX