Fig. 13 Recommended installation and dimensions [inch]
A Exhaust fan
B Exhaust air duct
Z Cooling air inlet aperture
CAUTION
Ambient temperature too low!
Frozen condensate and highly viscous cooling oil can cause damage when starting the machine.
➤ Make sure that the temperature of the machine is at least +40 °F before starting.
➤ Heat the machine room adequately or install an auxiliary heater.
1. If installed outdoors, protect the machine against frost, direct sunlight, dust and rain.
2. Ensure accessibility so that all work on the machine can be carried out without danger or hin‐
drance.
5.2.2 Ensure adequate ventilation
If the ventilation is insufficient, a dangerous vacuum can build up in the machine room.
➤ Ensure that the volume of air flowing into the machine room is at least equivalent to that being
removed from it by the machine and exhaust fan.
➤ Make sure that the machine and exhaust fan can only operate when the inlet aperture is actually
open.
➤ Keep the inlet and exhaust apertures free of obstructions so that the cooling air can flow freely
through the machine room.
5.2.3 Exhaust duct design
The machine can only overcome the air resistance at the cooling air inlet and exhaust determined by
the duct design. Any additional air resistance will reduce airflow and deteriorate machine cooling.
5 Installation and Operating Conditions
5.2 Installation Conditions
9_5721 06 USE
Service Manual Screw Compressor
ASD T Tri-Voltage
33
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