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DOK4x HOIAO FxDEN · FD 0001
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Air-to-water heat pump M Flex
English
6.5 Temperature sensor connection
The following temperature sensors are already installed or must
be installed additionally:
Outside temperature (R1) is (NTC-2)
Return temperature (R2) installed (NTC-10)
Demand sensor (R2.2) installed (NTC-10)
Flow rate monitoring with flow sensor (R3.1) installed
(PT1000)
Domestic hot water temperature (R3) connected (NTC-10),
still needs positioning.
6.5.1 Sensor characteristic curves
The temperature sensors to be connected to the heat pump
manager must correspond to the values specified in the table.
6.5.2 Mounting the outside temperature
sensor
The temperature sensor must be mounted in such a way that all
weather conditions are taken into consideration and the meas-
ured value is not falsified.
Mount on the external wall on the north or north-west side
where possible
Do not install in a "sheltered position" (e.g. in a wall niche or
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
-
Temperature
in °C
-20
-15
-10
-5
0
5
10
NTC-2 in k
14.6
11.4
8.9
7.1
5.6
4.5
3.7
NTC-10 in k
67.7
53.4
42.3
33.9
27.3
22.1
18.0
PT 1000 in k
0.92
0.94
0.96
0.98
1.0
1.02
1.04
15
20
25
30
35
40
45
50
55
60
2.9
2.4
2.0
1.7
1.4
1.1
1.0
0.8
0.7
0.6
14.9
12.1
10.0
8.4
7.0
5.9
5.0
4.2
3.6
3.1
1.06
1.08
1.1
1.12
1.14
1.16
1.18
1.2
1.22
1.24
Dimensioning parameters sensor cable
Conductor material
Cu
Cable length
50 m
Ambient temperature
35 °C
Routing type
B2 (DIN VDE 0298-4 /
IEC 60364-5-52)
External diameter
4-8 mm
Summary of Contents for M Flex Air
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