4
en-US/C
A
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
[0.12"].
Please pay attention to separate routing of sensor ca-
bles and power supply cables.
In order to mount the device to the wall, carry out
the following steps:
Î
Unscrew the cross-head 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 leav-
ing the head protruding
Î
Hang the housing from the upper fastening point
and mark the lower fastening points (centers
150 mm [5.9"])
Î
Insert lower wall plugs
Î
Fasten the housing to the wall with the lower fas-
tening screws and tighten
Î
Carry out the electrical wiring in accordance
with the terminal allocation, see chap. 2.2
Î
Put the cover on the housing
Î
Attach with the fastening screw
upper fastening point
lower fastening point
cover
screw
2
Installation
2.1
Mounting
WARNING!
Electric shock!
Upon opening the housing, live parts
are exposed.
Î
Always disconnect the con-
troller from power supply
before opening the housing!
ATTENTION!
ESD damage!
Electrostatic discharge can lead to
damage to electronic components!
Î
Take care to discharge
properly before touching
the inside of the device! To
do so, touch a grounded
surface such as a radiator
or tap!
Note
Strong electromagnetic fields can impair the
function of the controller.
Î
Make sure the controller as well as the
system are not exposed to strong elec-
tromagnetic fields.
Note
The pump speed must be set to 100 % when
auxiliary relays or valves are connected.
2.2
Electrical connection
Содержание SCU345
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