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Assembly and installation
Preparing for assembly
If greater cushioning is required (installation on a floor ceiling or on the roof),
vibration dampers must be provided. In this case, the suitable type of vibration
damper must be determined and realised. The pipes for the secondary refrigerant
must be decoupled using expansion joints where vibration dampers are used.
After welding work done by the customer or owner on pipe line connections and
flanges, the welding seams must be inspected in accordance with the Pressure
Equipment Directive.
6.4
Preparing for assembly
6.4.1
Information regarding installation in the machine room
The products have to be installed in closed machine rooms and on a level sur-
face. Provide enough space for maintenance work.
Unless other order-related limitations have to be taken into account, the permissi-
ble ambient temperature in operation is +15 °C to +40 °C.
6.4.2
Rigid installation
The frame of the product is placed on foundation bolts on a prepared foundation.
The frame must be levelled with suitable shims such that the coarse alignment
(radial and angular misalignment ≤ 0.25 mm) at the coupling is attained again.
Then tighten the foundation bolts.
6.4.3
Installation of the Screw Compressor for Insulation against Structure-borne Sound
For installation on intermediate ceilings, matched vibration decoupling must be
carried out on the ceiling construction.
The vibration isolators supplied have to be fixed to the foundation bolts during
assembly. Please consult the drawing of the product for further information about
the layout and position of the holes for attaching the vibration isolators (order
documentation). Lines for the secondary refrigerant and the cooling medium must
be decoupled from any vibrations with flexible connections.
Be sure to check the alignment of the coupling prior to or during the start-up, and
correct any deviations.
6.4.4
Outdoor installation, weather protection
If the product is intended for outdoor installation, it must be provided with a suita-
ble housing for sound insulation and weather protection by the customer. The
weather protection must provide the product with adequate protection against the
climatic conditions at the installation location.
66
Notice
The relevant regulations must be observed when designing the machine
room and the safety equipment.
► See EN 378-1 and EN 378-3.
L_151511_2
19.12.2019
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