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Dimplex SI 70TUR Manual

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EN-10 452237.66.55 · FD 0007 www.glendimplex.de
English SI 50 - 70 TUR
7.5 Temperature sensor
The following temperature sensors are already installed or must
be installed additionally:
External temperature sensor (R1) supplied (NTC-2)
Return temperature heating circuit (R2) installed (NTC-10)
Return temperature primary circuit (R24) installed (NTC-
10)
Flow temperature heating circuit (R9) installed (NTC-10)
Flow temperature primary circuit (R6) installed (NTC-10)
7.5.1 Sensor characteristic curves
The temperature sensors to be connected to the heat pump
manager must correspond to the sensor characteristic curve il-
lustrated in Fig. 7.9 on page 10. The only exception is the exter-
nal temperature sensor included in the scope of supply of the
heat pump (see Fig. 7.10 on page 10)
Fig. 7.9:Sensor characteristic curve NTC-10
Fig. 7.10:Sensor characteristic curve, NTC-2 according to DIN 44574 Ex-
ternal temperature sensor
7.5.2 Mounting the external 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
-
7.5.3 Installing the strap-on sensor
It is only necessary to mount the strap-on sensors if they are in-
cluded in the scope of supply of the heat pump but have not yet
been installed.
The strap-on sensors can be fitted as pipe-mounted sensors or
installed in the immersion sleeve of the compact manifold.
Mounting as a pipe-mounted sensor
Remove paint, rust and scale from heating pipe.
Coat the cleaned surface with heat transfer compound
(apply sparingly).
Attach the sensor with a hose clip (tighten firmly, as loose
sensors can cause malfunctions) and thermally insulate.
7.5.4 Hydraulic distribution system
The compact manifold and the dual differential pressureless
manifold function as an interface between the heat pump, the
heating distribution system, the buffer tank and, in some cases,
even the hot water cylinder. A compact system is used to sim-
plify the installation process, so that a lot of different compo-
nents do not have to be installed individually. Further informa-
tion can be found in the relevant installation instructions.
Compact manifold
The return sensor can remain in the heat pump, or should be in-
stalled in the immersion sleeve. The remaining empty space be-
tween the sensor and the immersion sleeve must be filled com-
pletely with heat transfer compound.
Dual differential pressureless manifold
In order for the heating circuit pumps of the generator and con-
sumer circuits to supply the flow to the return sensor, this must
be installed in the immersion sleeve of the dual differential
pressureless manifold.
Temperature in °C -20 -15 -10 -5 0 5 10
NTC-2 in k14.6 11.4 8.9 7.1 5.6 4.5 3.7
NTC-10 in k67.7 53.4 42.3 33.9 27.3 22.1 18.0
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
0
10
20
30
40
50
60
70
-20-15-10-5 0 5 1015202530354045505560
External temperature in [°C]
Resistance value in [kOhm]
0
2
4
6
8
10
12
14
16
18
20
-20-15-10-5 0 5 1015202530354045505560
External temperature in [°C]
Resistance value in [kOhm]
Dimensioning parameter sensor lead
Conductor material Cu
Cable-length 50 m
Ambient temperature 35 °C
Laying system B2 (DIN VDE 0298-4 /
IEC 60364-5-52)
External diameter 4-8 mm
Hose clip
Strap-on sensor
Thermal insulation
… 30 …


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