12
Examples for display icons:
Pump
(rotates when active)
Flow
meter
Heat
exchanger
temperature
probe
Mixer
Valve
Storage
Warning / Error message
New
information
(1)
(2)
(3)
(4)
The display (1), with its extensive text and
graphics mode, is almost self-explanatory,
allowing easy operation of the controller.
The LED (2) lights up green when a relay
is switched on.
The LED (2) lights up red when operating
mode “Off” is set.
The LED (2)
fl
ashes slowly red in the
operating mode “Manual”.
The LED (2)
fl
ashes quickly red when an
error is present.
Entries are made using four keys (3+4),
which are assigned to different functions
depending on the situation. The “esc”
key (3) is used to cancel an entry or to
exit a menu. If applicable there will be a
request for con
fi
rmation as to whether the
changes which have been made should
be saved.
The function of each of the other three
keys (4) is shown in the display line di-
rectly above the keys; the right-hand key
is generally has a con
fi
rmation and selec-
tion function.
Examples of key functions:
+/-
= enlarge/shrink values
▼
/
▲
= scroll menu down/up
yes/no
= approve/reject
Info
= additional information
Back
= to previous screen
ok
= con
fi
rm selection
Con
fi
rm
= con
fi
rm setting
Operation
E.1 Display and input