Manual

38
Product Service Domestic 1-800-522-7658, International 816-333-8811
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This Appendix contains technical information about the Freeze
Dryer including electrical specifications and environmental
operating conditions.
Electrical Specifications
Catalog # Voltage Frequency Phase Amperage
Nominal Operating
Range
Nominal
w/o
Vacuum
Pump
Max. with
Vacuum
Pump
7740020 115V 103-127 60 1 6 14
100V 90-110 50 1 6 14
7740021 115V 103-127 60 1 6 14
100V 90-110 50 1 6 14
7740030 230V 198-254 50 1 2.5 7
7740031 230V 198-254 50 1 2.5 7
7740040 230V 187-253 60 1 2.5 7
7740041 230V 187-253 60 1 2.5 7
7740060 230V 198-254 50 1 2.5 7
7740061 230V 198-254 50 1 2.5 7
7740070 230V 198-254 50 1 2.5 7
7740071 230V 198-254 50 1 2.5 7
Environmental Conditions
• Indoor use only.
• Maximum altitude: 6562 feet (2000 meters).
• Ambient temperature range: 41° to 104°F (5° to 40°C).
• Maximum relative humidity: 80% for temperatures up to
88°F (31°C), decreasing linearly to 50% relative humidity
at 104°F (40°C).
• Main supply voltage fluctuations not to exceed ±10% of the
nominal voltage.
• Transient overvoltages according to Installation Categories II
(Overvoltage Categories per IEC 1010). Temporary voltage
spikes on the AC input line that may be as high as 1500V for
115V models and 2500V for 230V models are allowed.
• Used in an environment of Pollution degrees 2 (i.e., where
normally only non-conductive atmospheres are present).
Occasionally, however, a temporary conductivity caused by
condensation must be expected, in accordance with IEC 664.