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Electrical connection
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Remember to cut the power before starting any work with the boards.
All wiring should be connected by a certified installer.
For easier connection to the terminal block use a flat screwdriver, width
1/8". You can open the spring load in both tracks on each connection.
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16
When you connecting power to the boiler you need to open
the white connection box, located on the back of the boiler (1),
in the box there is a terminal block for incoming power. The lo-
ading pump is connected to the same block. Check the electri-
cal scheme on pg 14 for correct wiring.
Connections to the board
There are functions that are connected to the motherboards.
These are not normally connected from factory, it is done on
site. Start by removing the cover plate in the front of the boiler
(1) The plate is loosen by pulling the handle on the left side,
then detached the two mounts on the right side. Then remove
the plate that protects the boards (2).
Incoming cables
In the back of the boiler there is two conduits which lead to
boards in the front. Use these for the cables and sensor you
need. Separate low voltage from high voltage.
Expansions board
You have a possibility to equip the boiler with a expansion
board (4). On the board you can for example connect several
shunt groups. When connection the board use the conduits
on the right side of the boiler (5). Remember to separate high
voltage from low voltage.
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