Thermal disinfection
The fresh water station provides higher domestic
hot water temperatures, in order to kill dangerous
germs. At the same time, the circulation pump is
activated, as long as the circulation function was
activated. If the circulation function was not acti-
vated, only the domestic hot water target tempera-
ture in the defined time window is increased to the
disinfection temperature.
Fig. 25: Thermal disinfection
Only one time window per day is available for
thermal disinfection.
Key variable
min.
max.
Factory
setting
Activation
on, oFF
oFF
Disinfection
temperature
60 °C
80 °C
73 °C
Clock control
on, oFF
on
Day
day: 1 to day: 7
-
Time window
0:00
23:59
01:00/02:00
Cascade
Controls cascade operation of two fresh water sta-
tions.
Both controllers are connected to each other via a
communications bus. The connecting line is con-
nected to both controllers at connections 5,
^
. If
the minimum cross-section is 0.25 mm
2
, the length
of the bus connection must not exceed 3 m. 2-way
valves must be integrated into the cold water pipe
and connected to R1. The circulation pump must
be plugged into a combined circulation phase pro-
vided by the customer ahead of the two modules.
Use only original REMKO accessories.
Fig. 26: Cascade
The cascade function must be activated in both
controllers; one controller must be configured as
the master (MA) and the other as the slave (SL).
The master controller forwards the following infor-
mation to the slave:
n
"Switch on" command
n
"Switch off" command
n
Domestic hot water target temperature
n
Date and time
Key variable
min. max.
Factory setting
Activation
on, oFF
oFF
Master /
Slave
MA, SL
MA
Alarm output
Controls the set output for the following errors:
n
Probe errors due to a short circuit or an inter-
ruption
n
Medium flow rate errors: Er:1
1)
n
Electronic overload check/fuse has been trig-
gered: Er:2 ... Er:5
1)
1)
shooting and customer service’ on page 30
The alarm output is always active
NOTICE!
The signal output R
S
may only be operated
with low voltage up to 24 V and limited power.
REMKO fresh water station Controller
22
Summary of Contents for EFS 25
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