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en
5
Adjustments
Tr
oubleshooting
Data comm
unication
cover
screw
lower fastening point
upper fastening point
1
Installation
1.1
Mounting
The RQ DHW controller is already integrated in the
Regumaq DHW exchange module. If the controller is
to be installed outside of the DHW exchange mod-
ule, please mind the following instructions.
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.
WARNING!
Electric shock!
Upon opening the housing, live
parts are exposed!
Î
Always disconnect the con-
troller from power supply
before opening the housing!
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 (centres
150 mm).
Î
Insert lower wall plugs.
Î
Fasten the housing to the wall with the lower
fastening screws and tighten.
Î
Carry out the electrical wiring in accordance
with the terminal allocation, see chap. 1.2.
Î
Put the cover on the housing.
Î
Attach with the cross-head screw.
1.2 Electrical connection
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!
The controller is equipped with 4
relays
in total to
which loads such as pumps, valves, etc. can be con-
nected:
Relays 1 … 4 are semiconductor relays, designed for
pump speed control:
Conductor R1 … R4
Neutral conductor N (common terminal block)
Protective earth conductor PE
(common terminal
block)
Note:
Connecting the device to the power supply
must always be the last step of the instal-
lation!
Note:
The minimum pump speed must be set to
100 % when non-speed-controlled devices
such as valves are connected.
Note:
Strong electromagnetic fields can impair
the function of the controller.
Make sure the controller as well as the sys-
tem are not exposed to strong electromag-
netic fields.