Stiebel Eltron SHZ 30 LCD Utilisation Et Installation page 40

INSTALLATION
Z ¼›êЛ| ê
16.2.3 Dual circuit operation
Dual meter measurement with power supply utility
contact, single phase
2
2
3
1 Power supply utility contact
2 Off-peak tariff
3 Peak tariff
40 | SHZ LCD
1/N/PE ~ 230 V
2
1
2
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.
N L1 L2
3
L1
L2
L3
N
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").
1/N/PE ~ 230 V
L3 5 6
2
www.stiebel-eltron.com