Danfoss ECL 2000, User Manual

Page: 21 / 106

Day-to-Day Operation
EY.65.H4.02
15
4.5 Changing the Operating Mode
Changing the operating
mode for all circuits The ECL 2000 can operate in 4 modes. Use the Mode push-button on the front panel
to change the controller’s operating mode.
Above the Mode push-button, there are 4 LED symbols: , ,
and
. When
you select an operating mode, the symbol corresponding to the selected mode lights
up.
Automatic
The controller switches between comfort and night set-
back temperature as specified in the 7-day plan.
Page 17 tells you how to modify the plan.
Comfort
The controller maintains comfort temperature for all
circuits.
Night setback
The controller maintains night setback temperature con-
stantly in all circuits.
Stand-by
Temperature control is stopped but the system is frost-
protected at 6 °C.
By pressing the Mode button once more, all three circuits are set in Automatic mode.
Changing the operating
mode for one circuit Alternatively, you can change the operating mode for each of the system’s circuits
individually:
1. In the System Overview, press to select the circuit you wish to work
with.
2. Use the Mode push-button to select the desired operating mode.
Note:
If the system includes a timer circuit, this circuit will be set in Night Setback mode
when Stand-by is selected, that is, the timer output will be constantly off.