Manual Override - Danfoss ECL 2000 User Manual

Manual Override

9. MANUAL OVERRIDE
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36
When the ECL 2000's Manual Override function is active, you can control system
components, circulation pumps and valve motors from the ECL 2000's front panel.
!
Note:
While the Manual Override function is active, automatic control of all circuits in the
plant is disabled. Automatic control is disabled, as long as the LED above the
lit.
While Manual Override is active, frost-protection of the plant is disabled.
3. Press
facing page).
The text below the selected component is highlighted to indicate the selection.
4. Press
the table below.
Push-button Pump
Pump is set to
ON
Pump is set to
OFF
Note:
If a motor valve is moving when
the valve by pressing
It is not possible to control a timer circuit manually.
EY.65.H4.02
1. Press to select the circuit that you wish to con-
trol manually.
2. Press to activate manual control.
The LED above the
LED's indicating the controller's operating mode are
switched off. The controller displays a picture showing
the pumps and valves of the selected circuit, as well as
status information.
and to select the pump or valve you wish to operate (see
and to operate the device. These buttons work as indicated in
Motor valve
Motor valve OPENs while button is pressed. After the but-
ton has been kept depressed for about 5 seconds, the valve
will move continuously towards the open position until the
button is pressed again
Motor valve CLOSEs while button is pressed. After the
button has been kept depressed for about 5 seconds, the
valve will move continuously towards the closed position
until the button is pressed again
is pressed, it will continue running. You can stop
or
.
button lights up and all four
is