24
3.9 - ELECTRICAL CONNECTIONs
Danger!
Only a qualified technician may perform the
electrical installation.
Electric power supply connection
Before performing connections or any type of operation
on electrical parts, always disconnect electrical power and
make sure that it cannot be reconnected accidentally.
See par. 4.5 positioning on the board
(*) Optional
ON/OFF room
thermostat connection (*)
- Remove the jumper and connect the room thermostat wires
between terminals ROOM STAT 1-2
- Connect the HSCP Heating Slave Controller Program-
merwire between terminals - BUS + after having removed
the jumper
HsCP Heating slave Controller Programmer / E8
connection eBUs (*)
The boiler is equipped with a power ca-
ble, boiler installation requires electric al
connection to the mainspower supply. This
connection must be made up to standard, as
required the regulations in force.
Remember that a bipolar switch must be
installed on the boiler power line with over
3 mm between contacts, easy to access,
making maintenance quick and safe.
The power cable must be replaced by
Unical
AG s.p.A.
authorised technical staff, using
original spare parts only. Failure to comply
with the above can jeopardise the safety of
the appliance.
NOTE!
Further details in the section
‘‘Technical Information’’ on the boiler
page of the www.unicalag.it website
Содержание ALKON 50c
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