18
Operation
4
4
4.1 Display and input
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
directly above the keys; the right-hand
key is generally has a con
fi
rmation and
selection 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
Examples of display symbols:
Pump (rotates in operation)
Valve (direction of
fl
ow black)
Collector
Storage
tank
Swimming
pool
Temperature
sensor
Warning/error
message
New information available
(1)
(2)
(3)
(4)
