Danfoss ECL Comfort 210 Installation Manual page 86

A266
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Installation Guide
MENU > Settings > Optimization
Auto saving (saving temp. dependent on outdoor temp.)
Circuit
All
Below the set value for the outdoor temperature, the saving temperature
setting has no influence. Above the set value for the outdoor temperature,
the saving temperature relates to the actual outdoor temperature. The
function is relevant in district heating installations in order to avoid a big
change in the desired flow temperature after a saving period.
* See Appendix "Parameter ID overview"
OFF:
The saving temperature does not depend on the
outdoor temperature; the reduction is 100%.
Value:
The saving temperature depends on the outdoor
temperature. When the outdoor temperature is above
10 °C, the reduction is 100%. The lower the outdoor
temperature, the less the temperature reduction.
Below the set value, the saving temperature setting
has no influence.
Comfort temperature:
Saving temperature:
The desired room temperatures for Comfort and Saving modes
are set in the display overviews.
86
DEN-SMT/DK
ECL Comfort 210 / 310, application A266
Setting range
Factory setting
*
The desired room temperature in
Comfort mode
The desired room temperature in Saving
mode
1x011
*
=
X
Outdoor temperature (°C)
=
Y
Desired room temperature (°C)
# 1 # =
Desired room temperature (°C), Comfort mode
# 2 # =
Desired room temperature (°C), Saving mode
# 3 # =
Auto saving temperature (°C), ID 11011
Example:
Actual outdoor temperature (T.out):
Desired room temperature setting in Comfort mode:
Desired room temperature setting in Saving mode:
Setting in 'Auto saving':
The condition for the outdoor temperature influence:
T.out.influence = (10 - T.out) / (10 - setting) =
(10 - (-5)) / (10 - (-15)) =
15 / 25 = 0,6
The corrected desired room temperature in Saving mode:
T.room.ref.Saving + (T.out.influence x (T.room.ref.Comfort -
T.room.ref.Saving))
16 + (0,6 x (22 - 16)) = 19,6 °C
=
X
Outdoor temperature (°C)
=
Y
Desired room temperature (°C)
VI.KT.X3.02
–5 °C
22 °C
16 °C
–15 °C
Danfoss District Energy

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