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4
display
push button
fuse 4A
cable conduits with strain
relief
cover
1.1 Mounting
The unit must only be installed
• in a dry interior location
• in a non-hazardous location
• away from electromagnetic fields
The controller must additionally be supplied from a double-
pole switch with contact gap of at least 0.12".
Route sensor cables and power supply cables separately.
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 and drill
Î
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 through the hole in the
terminal box (centers 5.1")
Î
Drill and insert the lower wall plug
Î
Fasten the housing to the wall with lower fastening screw
and tighten
Î
Complete wiring connections in accordance with terminal
allocations, see chap. 1.2 “Electrical connection”
Î
Place the cover back onto the housing
Î
Fasten the cover by means of the cross-head screw
1. Installation
. „
upper fastening
lower fastening
VBus
®
1.2 Electrical connection
power supply terminals
fuse
load terminals
sensor terminal
ground terminal
Note:
The minimum pump speed must be set to 100 % when
auxiliary relays or valves are connected.
WARNING!
Electric shock!
Opening the housing will expose live
parts!
Î
Switch off power supply and disconnect
the device 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!
Summary of Contents for SOM 7 PLUS
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