Translation of original operating instructions
124
AL-KO AT4F ATEX
7.3.8.8 Check gap dimension and overlap for fans
1
2
4
3
5
Fig. 76 Example of gap dimensions and overlap (depending on manufacturer)
1
Inlet nozzle
2
Measuring nipple of the volumetric flow measuring
device
3
Gap dimension between impeller edge and measuring
nipple of the volume flow measuring device
4
Impeller
5
Gap dimension between inlet nozzle and impeller
Step
Action
1
Before commissioning, check the gap dimension between the impeller edge and the measuring nipple of the volumetric
flow measuring device and between the impeller and inlet nozzle in accordance with the fan manufacturer's documenta
-
tion. For the valid measured values, see the documentation of the respective fan manufacturer.
2
The fan may only be operated if the test has been passed.
Document the test results.
ATTENTION
Observe the manufacturer's documentation.
ATTENTION
The exact gap dimensions can be requested from the respective fan manufacturer.
Содержание AT4F Series
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