EN
Quick guide
4
Rittal external temperature sensor
1
General notes
The temperature sensor is compatible with enclo-
sure cooling units in the Blue e+ series.
2
Electrical connection
Fig. 1:
Electrical connection
Connect the temperature sensor to terminals 7
and 8 of the signal connector X2 (included with the
supply of the cooling unit).
3
Settings on the touch display
Proceed as follows to set the required control mode:
1.
(Configuration)
2.
(PIN: 22)
3.
(Temperature)
4.
(Control mode)
5.
(External sensor)/
(Outlet tempera-
ture)
6.
(Back to start screen)
4
Installation
4.1
General
To comply with EN 61000-6-3 (Emission standard
for residential, commercial and light-industrial envi-
ronments) the ferrite sleeve supplied must be at-
tached close to the sensor cable connector.
Fig. 2:
Ferrite sleeve on sensor cable
Key
1
Ferrite sleeve
2
Sensor cable
4.2
Control mode "external sensor"
Please observe the following when selecting the sen-
sor position: The sensor must
not
– be influenced directly by the cold air expelled from
the cooling unit,
– be influenced by external heat sources or heat ra-
diation,
– be exposed to humidity,
– have its connection cable laid in the vicinity of AC
cables,
– be exposed to different temperature levels within
the first 10 cm of the connection cable.
The sensor
must
– be located within the effective range of the cooling
unit,
Symbol
Control mode
3124.400
required
Internal
temperature
–
External sensor
■
Outlet
temperature
■
Note:
Cables must not be extended. The
temperature sensor may only be con-
nected to
one
device.
Note:
Please provide adequate strain relief
for the connection cable.
Note:
Before changing the settings de-
scribed below, please ensure that you
are familiar with cooling unit operation
as described in the assembly and op-
erating instructions (particularly sec-
tion 7 "Operation").
EN
