Danfoss ECL 2000, User Manual

Page: 63 / 106

Service Settings
EY.65.H4.02
57
Motor valve These settings determine the function of the motor valve of the hot-water circuit.
Display text Parameter Default value,
range Description
Stroke Default value:
16 mm
Range:
1-50 mm
Stroke of the valve motor
Run time
1mm Running time
1 mm Default value:
1 second
Range:
1- 99 seconds
Time required for the spindle to move 1
mm
Continuous Default value:
NO
Range:
YES, NO
When the parameter is set to NO, auto-
matic control is applied only during
charging. When the setting is YES,
automatic control takes place constantly
Flow cut-off The controller can be set up to close the valve if the system flow falls below a user-
defined limit. The following settings are available when a sensor measuring flow is
connected to the system:
Display text Parameter Default value,
range Description
Cut-off time
Default value:
0 min.
Range:
0-30 min.
The period during which the valve is
closed
Min. flow Minimum flow Default value:
0.0 l/h
Range:
0.0-999 l/h or
0.0-999 m
3
/h
When the flow in the system falls below
this limit, the valve will be closed
The range and unit depend on the se-
lected application and flow sensor
Alternatively, flow cut-off can also be activated by a digital input signal. The valve is
closed when the digital input is short-circuited. For such a configuration, only the cut-
off time can be set.