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Installation Indications, functions and options MessagesCommissioningOperation and function
2 Installation
2.1 Mounting
WARNING!
Electric shock!
Upon opening the housing, live parts are exposed!
Î Always disconnect the device from power supply
before opening the housing!
Note
Strong electromagnetic elds can impair the function of the controller.
Î Make sure the controller as well as the system are not exposed to
strong electromagnetic elds.
The unit must only be located in dry interior rooms.
The controller must additionally be supplied from a double pole switch with contact
gap of at least 3 mm.
Please pay attention to separate routing of sensor cables and mains cables.
In order to mount the device to the wall, carry out the following steps:
Î Unscrew the crosshead screw from the cover and remove it along with the
cover from the housing.
Î Mark the upper fastening point on the wall. Drill and fasten the enclosed wall
plug and screw leaving the head protruding.
Î Hang the housing from the upper fastening point and mark the lower fastening
point (centres 130 mm).
Î Insert lower wall plug.
Î Fasten the housing to the wall with the lower fastening screw and tighten.
Î Carry out the electrical wiring in accordance with the terminal allocation (see
chapter 2.2).
Î Put the cover on the housing.
Î Attach with the fastening screw.
display
cable conduits with
strain relief
cover
button
fuse T4A
2.2 Electrical connection
WARNING!
ESD damage!
Electrostatic discharge can lead to damage to electronic compo-
nents!
Î Take care to discharge properly before touching the
inside of the device!
WARNING!
Electric shock!
Upon opening the housing, live parts are exposed!
Î Always disconnect the device from power supply be-
fore opening the housing!
Note
The mains connection must be carried out with the common ground of
the building to which the pipework of the solar circuit is connected.
Note
Connecting the device to the power supply must always be the last step
of the installation!
Note
The pump speed must be set to 100 % when auxiliary relays or valves are
connected.
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