184
TECHN I CAL DATA
C I RCU I T P ROT ECT I ON
STARBREAKER CONSUMER UNIT APPLICATIONS
l
The following information illustrates the methods by which consumer units can be installed into more specific applications, for example
multi-tariff or dual tariff consumer units.
N L
N
N
N L
N
N
MAINSWITCH
MAINSWITCH
Supply diagram
Internal wiring diagram
TWIN-TARIFF
l
Twin-tariff combines two independent supplies typically the standard domestic supply and the supply for storage heaters. This installation can be housed within
one standard enclosure thus saving space and installation time.
N
N L
N
N
N L
N
N
MAINSWITCH
MAINSWITCH
N
N
SPLIT
LOAD
RCCB
Supply diagram
Internal wiring diagram
SPLIT-LOAD DUAL-TARIFF
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Combining the added safety of a split-load RCCB and the economy heating tariff into one combined unit offers an all-round saving of space and
installation time.
MULTI-TARIFF
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Multi-tariff heating provides 3 tariffs catering for total heating applications:
1 Direct heating appliances
2 Bottom immersion heater
3 Storage heating
N
N L
N
MAINSWITCH
N
N L
MAINSWITCH
N
N L
MAINSWITCH
N
N
Supply diagram
Internal wiring diagram