19
activated as described below. After
another 2 minutes, the meter programs
itself automatically to "outlet", if the
push button hasn't been operated
meanwhile.
The selection is being activated with the
door symbol (top right of the display):
■
Press and hold the button.
■
The door icon disappears and ap-
pears after about 2 seconds again.
■
Then release the button immedi-
ately.
The selected setting is accepted and the
unit is configured for the chosen place
of installation. The chosen place of
installation can be checked in the first
display of level 3 (Pt 1000
r
= outlet pipe
/ Pt 1000
u
= inlet pipe).
The meter is now ready for operation.
Pulse inputs and outputs (optional)
By meters with pulse inputs, the pulse
value can be called up in the display
(see the display overview, level 4). The
pulse value of the outputs is perma-
nently set and corresponds with the
last position of the associated display
value.
Typical connection (*)
(*) The connection of the external resistor
could be necessary to ensure an inte-
grated current limiter.
Example:
Output 1 = energy output
Energy display = XXXXX.XXX
Last position = 0.001 MWh = 1 kWh
Output pulse = 1 kWh
U = 3 … 30 V
Imax = 20 mA*
GND
Pulse
V Out
white
yellow
green
brown
pulse
Note:
Only for versions with
programmable
place of installation of the flow sen
-
sor
(marking
“point of installation:
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. 2 minutes, the meter
programs itself automatically for
installation in the
outlet pipe of
the plant (colder pipe for heating,
warmer 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 installa-
tion can be carried out only once. A
subsequent change is not possible.
After choosing the selection "inlet", the
display switches back to "outlet" after
2 minutes, if the choice hasn't been
Summary of Contents for zelsius C5 -IUF
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