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9.5 Characteristic curve
temperature sensor indoor unit
9.5.1 Sensor characteristic curves
-20
-15
Temperature in °C
NTC-2 in k
14.6
11.4
NTC-10 in k
67.7
53.4
15
20
25
30
2.9
2.4
2.0
1.7
14.9
12.1
10.0
8.4
The temperature sensors to be connected to the heat pump
manager must correspond to the sensor characteristic curve il-
lustrated in Fig. 9.1 on page 28. The only exception is the out-
side temperature sensor included in the scope of supply of the
heat pump (see Fig. 9.2 on page 28)
70
60
50
40
30
20
10
0
-20 -15 -10 -5
0
5
10
Fig. 9.1: Sensor characteristic curve NTC-10
20
18
16
14
12
10
8
6
4
2
0
-20 -15 -10 -5
0
5
10
Fig. 9.2: Sensor characteristic curve NTC-2 according to DIN 44574 Out-
side temperature sensor
EN-28
-10
-5
0
5
8.9
7.1
5.6
4.5
42.3
33.9
27.3
22.1
35
40
45
50
55
1.4
1.1
1.0
0.8
0.7
7.0
5.9
5.0
4.2
3.6
15
20
25
30
35
40
45
50 55
Temperature [°C]
15
20
25
30
35
40
45
50 55
Temperature [°C]
452172.66.05-EN · FD 0306
9.5.2 Mounting the outside temperature
sensor
The outside temperature is measured via the heat source inlet
sensor on the outdoor unit. Optionally, a separate outdoor tem-
perature sensor can be mounted.
The temperature sensor must be mounted in such a way that all
10
weather conditions are taken into consideration and the meas-
3.7
ured value is not falsified.
18.0
Install on the external wall of a heated room, if possible on the
60
north or north-west side of the building
0.6
Do not install in a "sheltered position" (e.g. in a wall niche or
3.1
under a balcony)
Not in the vicinity of windows, doors, exhaust air vents, ex-
ternal lighting or heat pumps
Not to be exposed to direct sunlight at any time of year
-
Dimensioning parameters sensor cable
Conductor material
Cable length
Ambient temperature
Routing type
External diameter
60
60
LIA 0608HXCF M - LIA 1316HXCF M
Cu
50 m
35 °C
B2 (DIN VDE 0298-4 /
IEC 60364-5-52)
4-8 mm
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