Operation
4.8
Temporary removal of the
device
WARNING
If the device is removed due to an
interruption of operation:
•
Protect the flange surfaces
against damage to ensure proper
sealing.
•
Protect the device from dirt so
as not to impair drinking water
hygiene.
•
Store the device in a frost-free
place to prevent damage caused
by freezing water and leakage.
When recommissioning the device, proceed
as with a new installation.
5
Remote transmission of
messages
ELECTRO_NO_HEADER
The device may only be installed
by qualified technical personnel.
Switching voltage: maximum 24 V
Amperage: maximum 1 A
5.1
Potential-free message
Devices with potential-free signal relay can
transmit fault indication messages.
a
b
c
zero-current
or fault
opera-
ting
Fig. 11:
Relay contact assignments
Connect relay as:
Contacts
NOC
a
and
b
NCC
b
and
c
In Figure 11 the contacts of the poten-
tial-free relay are marked in the currentless
state.
The relay can be connected as normally
closed contact or as normally open contact :
When the power supply unit is plugged in,
the relay changes its switching state into
“operating”.
If there is a fault indication, the relay
switches to “zero-current or fault” state.
18
JUDO JUKOMAT-LF-AT
1701431 • 2022/01