
40
| SHZ LCD
www.stiebel-eltron.com
INSTALLATION
!" #
16.2.3 Dual circuit operation
Dual meter measurement with power supply utility
contact, single phase
1/N/PE ~ 230 V
2
2
2
26
_0
2
_07
_0
252
_
1
2
3
1 Power supply utility contact
2 Off-peak tariff
3 Peak tariff
Special circuit without external contactors for tariff
changeover
Note
If there are no external contactors for tariff changeover,
the output is billed using the peak tariff meter even dur-
ing the off-peak tariff period.
1/N/PE ~ 230 V
L3
L2
L1
N
5 6
L1
L2
L3
N
26
_0
2
_07
_0
25
6
_
2
3
2 Off-peak tariff
3 Peak tariff
f
If it is not possible to extend the electrical installation with
the relevant contactors, it is essential to install an additional
off-peak/peak isolator at the appliance electrical connection
(“Relay conversion set” see chapter “Appliance description /
Accessories”).