Danfoss ECL Comfort User Manual page 65

Service parameter(s) 142-143
142 Function of input S1
Circuit
I
Choose whether input S1 should be used as an alarm input or as
a compensation temperature input.
ON: Input S1 is defined as alarm input.
OFF: Input S1 is defined as compensation
143 Frost alarm, input S6
Circuit
I
Frost can be detected at S6 either by a frost thermostat or a
Pt 1000 temperature sensor.
OFF:
1... 20: Pt 1000 temperature sensor:
The frost protection is only active if a sensor is connected.
Setting range
ON / OFF
The resistance of S1 lower than 766 ohm
(short circuit): no alarm.
The resistance of S1 higher than 766 ohm
(open): alarm.
The alarm is displayed as alarm type S1 in
line B (grey side of the card).
If relay R3 is chosen for the alarm output,
this will be activated in case of an alarm.
This alarm closes the dampers in ventilation
applications.
It is only possible to reset the alarm if the
cause of the alarm has been eliminated.
temperature input as described in
lines 60-66.
Setting range
OFF / 1 ... 20 °C
Frost thermostat:
Is used in connection with an external KP
frost thermostat:
Closed contact:
Open contact:
Set the frost protection temperature for
sensor S6.
Factory setting
Factory setting
No frost risk
Risk of frost
The grey
side of the
ECL Card
32q
OFF
5 °C