Instruction Manual ZHK
V07-21.0
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10 Information on airborne noise emitted by the AHUs - on request
Sound data can be printed on request on the technical data sheet, sample see
. The
sound power is specified as A-weighted sound power level:
-
Line 1:
Sound power over the casing
-
Line 2:
Sound power inlet
-
Line 3:
Sound power outlet
The sound through the openings (sound power level in line 2 and 3) is the basis for the calculation
of the on-site sound emissions from the environment.
Figure 223:
Sound data information
11 AHUs in ATEX execution
11.1 Specific instructions for ATEX AHUs
The ignition hazard assessment was performed according to EN ISO 80079-36:2016 and EN
1127-1:2019-10. Applied protection: EN ISO 80079-37:2016-12
Protection by constructional safety
"c".
Declaration of conformity in accordance to the EU - Directive 2014/34/EU
EUROCLIMA declares conformity to ATEX. The technical documentation in accordance with EU
–
Directive 2014/34/EU is deposited at TÜV South Germany. The declaration of conformity to ATEX
applies only to the original delivery AHU and with proper repair and maintenance. When changes on
the AHU are made, which are not agreed in writing, the declaration of conformity loses its validity.
The safety instructions in
chapter 2.3 (Indications for minimizing specific hazards),
in particular
the special safety instructions in
chapter 2.3.3 (ATEX AHUs)
must be observed. The instructions
in
chapter 2.5 (Staff selection and qualification)
also apply accordingly.
The following conditions must prevail:
-
On the intake side and in the vicinity of the device, the temperature shall not exceed -20 °C to
+40 °C.
-
An atmosphere with pressures from 0.8 bar to 1.1 bar shall be present in the environment of the
AHU.
Based on the risk analysis, devices can basically be manufactured with the following definition (ap-
plies to inside and outside)
Gas:
II 2G Ex h IIB T4 Gb (inside / outside)
Dust:
II 3D Ex h IIIB T170 Db (inside / outside)
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