Operating Manual Freeze Dryer ALPHA 1-2 LDplus Installation and Commissioning of the Unit • 25
4. Installation and
Commissioning of the Unit
4.1. Site of Installation
WARNING! Papers, cloths or similar items must not be
put behind the unit as the air circulation of the heat exchanger will
not work any more.
The freeze dryer should be horizontally aligned. The ambient
temperature should be within approx. +10°C and +25°C.
The refrigeration compressor of the freeze dryer is air-cooled.
Sufficient air circulation must be ensured. A distance of at least 30
cm to the wall should be kept. The unit should not be positioned
near radiators or heat sources and direct insolation must be
avoided.
In case of insufficient air circulation or too high ambient
temperatures pressure and/or temperature in the refrigerating
system will increase. This may cause an exceeding of the
admissible operation pressure and thus a breakdown of the
freezing unit.
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