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The display (1), with its extensive text and graphics
mode, is almost selfexplanatory, allowing easy opera-
tion 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) flashes slowly red in the operating mode
“Manual”.
The LED (2) flashes quickly red when an error is
present.
Entries are made using four keys (3+4), which are as-
signed to different functions depending on the situati-
on. The “esc” key (3) is used to cancel an entry or to
exit a menu. If applicable there will be a request for
confirmation 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 general-
ly has a confirmation 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
= confirm selection
Confirm
= confirm setting
Examples of display symbols:
Pump
(rotates in operation)
Flow meter
heat exchanger
Temperature sensor
Warning/error message
New information available
Valve (flow direction black)
Thermostat
(1)
(2)
(3)
(4)
Operation
E.1. - Display and input
