Danfoss ECL Comfort 310 Operating Manual page 115

Operating Guide ECL Comfort 310, application A333
MENU > Settings > Application
Frost pr. T (frost protection temp.)
Set the desired flow temperature at temperature sensor S3 to protect the
system against frost (at heating cut-out, total stop etc.).
When the temperature at S3 gets lower than the setting, the motorized
control valve opens gradually.
See Appendix "Parameter ID overview"
MENU > Settings > Application
Ext. input (external override)
Circuit
Choose the input for 'Ext. input' (external override). By means of a switch the
controller can be overridden to 'Comfort' or 'Saving' mode.
OFF:
No inputs have been selected for external override.
S1 ... S10: Input selected for external override.
If S1... S6 is chosen as override input, the override switch must have
gold-plated contacts.
If S7 ... S10 is chosen as override input, the override switch can be a
standard contact.
See the drawing for a connection example of an override switch
to input S9.
The two drawings (override to comfort mode and override to
saving mode) show the functionality.
VI.GU.T2.02
1x093
11141
Setting range Factory setting
OFF / S1 ... S10 OFF
The frost protection temperature can also be set in your favorite
display when the mode selector is in frost protection mode.
Choose only an unused input for override. If an already used input is
applied for override, the functionality of this input is also neglected.
See also 'Ext. mode' .
Override to 'Comfort' mode
Override to 'Saving' mode
The result of override to 'Saving' mode depends on the setting in
'Total stop' .
Total stop = OFF: Heating reduced
Total stop = ON: Heating stopped
Time
Time
© Danfoss | 2017.09 | 115