Operating instructions for S 40-3...S 150-3 series screw compressors
Page 33
Installation
3.2
Compressor room
Frost protection
The compressor must be installed so that it is frost-protected. The BOGE anti-
freeze device is a standard feature. It protects the safety devices from freezing
up at ambient temperatures up to 14°F.
Ventilation
If the following instructions are not observed, the admissible final com-
pression temperature may be exceeded. In this case, the compressor
will switch off automatically
Ventilation openings (free-standing installation)
– Arrange supply air openings close to the floor.
– Arrange exhaust air openings in the ceiling or at the top of the wall.
– The required cross sections for the supply openings (as well as for the flaps
and weather protection grids) are indicated in the table.
Supply and exhaust air ducts
– Ensure that the flow rate in the ducts does not exceed 157 inches/s.
– Never position cooling air ducts directly on the compressor. Always use a
compensator to avoid distortion and the transfer of vibrations.
Fans
Ensure that the heated exhaust air is not taken in again.
If necessary, the heated air must be extracted by fans.
To ensure perfect cooling even at higher temperatures in the summer, the fans
must be designed as follows:
– The capacity of the fan must be approx. 10 - 15% greater than the sum of
the total amount of cooling air required for all the machines that are oper-
ated in the room.
– For free-standing installation, the cooling air requirement specified in the
table corresponds to the required fan capacity.
Supply air filter
– Equip the compressor with supply air filter mats if the compressor room is
contaminated with dust (option).
WARNING!
Arrange the compressor intake openings or ducts in such a way that danger-
ous admixtures (e.g. explosive or chemically unstable materials) cannot be
drawn in.
