Zenner zelsius C5-ISF Instrucciones De Instalación Y Funcionamiento página 22

Open valves carefully. Vent the
■
system. Avoid sudden pressure
shocks. Check installation for leak-
age carefully.
Attention!
■
For zelsius C5 with
LoRa interface, we
recommend at first to
do the onboarding of
the device on your respective IoT
platform by putting in the key
information belonging to the device
(DevEUI, JoinEUI and AppKey)
before activating the device as
described below!
If the sleep mode of the counter is
■
enabled (Display: SLEEP 1), then
it must be deactivated by longer
pressing the button (>5 seconds).
While the system is operating,
■
check whether the volume display
advances and the temperatures
displayed correspond with the ac-
tual temperatures (see the display
overview).
Wait for the temperature display to
■
be updated.
Secure meter with the enclosed
■
sealing material against unauthor-
ised removal.
Fill in the putting into use report
■
in accordance with PTB-Directive
TR K9.
Note:
22
Only for versions with programmable
place of installation of the flow
sensor (marking "point of installa-
tion: see display" at the type plate on
the side).
The meter is in the delivery status in
sleep mode (SLEEP 1).
If the meter is being awakened from
the sleep mode, the following display
appears initially:
If the push button is not operated
within approx. 4 minutes, the meter
programs itself automatically for
installation in the outlet pipe of the
plant (colder pipe for heating, warm-
er pipe for cooling) and the display
shown above disappears.
For installation in the inlet pipe of
the plant (warmer pipe for heating,
colder pipe for cooling) press the but-
ton shortly and the following display
appears:
With a short button press you can
choose between the following two
displays.
Installation in outlet pipe:
Installation in inlet pipe:
!! IMPORTANT!!
The choice of the place of installation
can be carried out only once. A subse-
quent change is not possible.
After choosing the selection "v. inlet",