Extraction system
The printer has been designed to be able to work either exhausting air into the room or connected to an
e
xtraction system installed by the customer.
There are various advantages of the latter: first, it’s a way to decrease the printer’s heat output into
the room, so room temperature will be reduced. Additionally, with the extraction, room air ventilation
requirements are lower, the presence of airborne materials is reduced, and the level of noise is lower.
Therefore, HP highly recommends connecting the printer to an extraction system, and this may be
obligatory depending on the material processed and local regulations.
To install an extraction system that meets the printer’s requirements, follow the extraction system
recommendations in the site preparation guide. As ventilation and air conditioning are related to the
extraction system, you should also follow the ventilation and air-conditioning recommendations in the
site preparation guide.
In general, you should not need to adjust the extraction system after installation. However, if too much or
too little aspiration occurs, system errors will be reported and some readjustment may be required. For
that purpose, a maintenance procedure is provided to assist you.
Sound pressure level
Specifications of the sound emission levels you can expect from your products.
Printer and build unit
Declared dual number noise emission values in accordance with ISO 4871, corresponding to the worst
b
ystander position according to ISO 11202, located at the rear of the printer:
● LpA = 75 dB(A), measured with the fans turning at maximum speed
● KpA = 5 dB
Processing station and build unit
Declared dual number noise emission values in accordance with ISO 4871, corresponding to the
micr
ophone position located in the dedicated operator area in accordance with ISO 11202:
● LpA = 73 dB(A), measured during the unpacking process
● KpA = 5 dB
Hearing protection may be required as per local laws; consult your EHS specialist.
The automation accessory emits a buzzing sound during operation.
Transport
In case of equipment relocation, remove all material (powder) and consumables.
The customer takes full responsibility for moving equipment, the use of auxiliary lifting/carrying aids,
and pr
oviding the required personnel.
12 Chapter 2 Safety precautions
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