Olsberg 14/512, Инструкция по эксплуатации

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Electrical Connection The storage heater is connected to element feed
(OFF-PEAK Tariff) and control cables for the room
thermostat and the charge control (A1/Z1; A2/Z2).
You will find the number and type of storage brick
packs in the section "Technical Data" The heater is
suitable for a direct cable feed, it is also suitable for
feeding from a spur junction.
According to regulations every branch circuit must be
individually protected, for instance by circuit breakers
for all phases. These circuit breakers must have con-
tact openings of at least 3mm.
Each storage heater must be connected to its own
separate load-current cable from the distributor panel.
Running cables from heater to heater is not allowed.
According to Utility Regulations, a single-phase con-
nection is only allowed for a heater rating of up to 2
kW. To do this, bridge the terminals L1-L2- and L3.
To connect to a Central Charge Control with
"single-
wire control" , bridge terminals A2/Z2 and N
Make sure the earth cable is firmly connected.
Cable Feed
Fig.4