Setting The Heat Curve - Danfoss DSA 2 MAXI Installation Manual

Installation Guide

5.9.4 Setting the heat curve

Due to different heat masses, heating system, insulation dimen-
sions etc. it might be necessary to change the heat curve.
Set the heat curve always according to HEVAC plans (functioning
temperature of the heating circuit). There you can find desired flow
temperatures for different outdoor temperatures.
Factory setting, the heat curve:
Outdoor
Factory setting
temperature
is a typical heat
curve for radiator
heating,
-30
about 1.0
-15
15

Changes in the heat curve
point by point.

16 DEN-SMT/PL
DSA 2 MAXI Substation
Flow
Visible on the
temperature
display
°C °C
75 (-30,75)
60 (-15,60)
-5 50
0 45
5 40
28 (15,28)

Set the desired temperature.

o
[ C]
150
2.2
140
1.8
130
120
110 1.4
100
90
1.0
80
70
0.6
60
0.4
50
0.3
40
0.2
30 0.1
20
10
-40 -30
Example heat curve for the floor-heating system:
The heat curve
typically used
with floor-heat-
ing, about 0.4
(-5,50)
(0,45)
(5,40)

Move to the following points.

VI.GE.K3.02
2.6 3.0 3.5 4.0
-20 -10 0 10
Outdoor Flow
temperature temperature
°C °C
-30 45
-15 38
-5 34
0 31
5 28
15 22


Setting same
way as with the
previous point.
Danfoss District Energy
o
20 30 [ C]
Visible on the
display
(-30,45)
(-15,38)
(-5,34)
(0,31)
(5,28)
(5,22)