Ascon Tecnologic - e31- - OPERATING INSTRUCTIONS - PAG. 4
3. USAGE WARNINGS
3.1
Admitted use
D
D
The instrument has been projected and manufactured
as a measuring and control device to be used accord-
ing to EN60730-1 at altitudes operation below 2000 m.
Using the instrument for applications not expressly permitted
by the above mentioned rule must adopt all the necessary
protective measures.
The instrument
MUST NOT BE USED
in dangerous environ-
ments (flammable or explosive) without adequate protections.
The instrument used with NTC 103AT11 probe (identifiable
by the printed code “103AT-11” visible on the sensor part)
is compliant with standard EN 13485 (“Thermometers for
measuring the air and product temperature for the transport,
storage and distribution of chilled, frozen, deep-frozen/quick-
frozen food and ice cream”) with the following classification:
[EN13485 air, S, A, 2, -50°C +90°C]
Remember that the end user must periodically check and veri-
fy the thermometers in compliance with standard EN 13486.
The installer must ensure that the EMC rules are respected,
also after the instrument installation, if necessary using
proper filters.
4. INSTALLATION WARNINGS
4.1
Mechanical mounting
The instrument, in case 78 x 35 mm, is designed for flush-
in panel mounting. Make a 71 x 29 mm hole and insert the
instrument, fixing it with the provided special brackets.
In order to obtain the declared front protection degree, mount
the gasket and use the screw type bracket (both optional).
Avoid placing the instrument in environments with very high
humidity levels or dirt that may create condensation or intro-
duction of conductive substances into the instrument
Ensure adequate ventilation to the instrument and avoid
installation in containers that house devices which may
overheat or which may cause the instrument to function at a
higher temperature than the one permitted and declared.
Connect the instrument as far away as possible from sources
of electromagnetic disturbances such as motors, power re-
lays, relays, solenoid valves, etc..
4.2
Dimensions [mm]
4.2.1
Mechanical dimensions
P
U
e31
Aux
35
28
12.2
14.5
8
6
64
78
4.2.2
Panel cut-out
29
+0.6
71
+0.6
mm
RECOMMENDED
PANEL CUTOUT
min.
12 mm
min. 15 mm
4.2.3
Mounting brackets
P
anel + Gask
et max.
12 mm (#1)
max.
29 mm (#2)
“Butterfly” type
brackets (#1)
Screw type
bracket (#2)
34
43
86
