oventrop Regumaq K Notice D'installation Et D'utilisation page 49

Diagnosis and troubleshooting
cascade control set "Regumaq K"
Consecutive
Error indication
number
Actuator does not
travel the complete
90° angle
or
17
actuator moves
slowly first and
then faster
Installation with
external circulation
pump: several
actuators are in the
18
"open" position
during circulation
operation with
no water being
drawn off
Continuously
fluctuating volume
flow measurement
in a fresh water
19
station during
operation with an
external circulation
pump
Insufficient useable
20
cable length
Detection,
Possible reason
control option
Mechanical limit stop
Visual test, keep
of the actuator set
acknowledgement
incorrectly
button pressed and
move the actuator
back and forth by
Other obstacle limits
hand several times
the possible travel
angle or impedes the
rotary movement
Circulation return
connected to the
common cold water
supply pipe in the Visual test
flow direction in
front of the flow
sensor VFS 10-200
Installation option
with external
circulation pump
without using the
Visual test
pipework set and no
check valves installed
in the circulation
return to the stations.
1381082
1381083
1381084
(Accessories and spare parts see chapter 13)
Solution
Set limit stop correctly and
press the "Adaptation" key
for at lest 5s
Remove obstacle or
sluggishness and press the
"Adaptation" key for at least 5s
Connection according to
installation instructions system
example 4.6
Divide the circulation return
between the individual stations
and connect it to the cold water
supply pipe between the
cascade ball valve and the
station with the help of a check
valve and T-piece
Connection of the common
circulation return behind the
VFS 10-200. The following
functions cannot be realised
in this simplified variant:
– thermal disinfection
– temperature independent
return layering via the
switching module
Observe note in the installation
instructions (chapter 4-end and
paragraph 7.6):
"All connection options call for
a limitation of the external
circulation pump to a maximum
output of 25 l/min. per fresh
water station "
Observe notes regarding the
mentioned installation option
in the installation instructions
(end chapter 4)
When planning the installation
dimensions, the notes in the
installation instructions must be
observed (chapter 4, chapter 7.
49