Arena Service Manual
5.3 POWER SYSTEM
5.3.1 Power Requirements
The Instrument requires a nominal input voltage of 110, 120, 230
or 240 VAC. Input voltage must be within ±10% of the rated
nominal value.
Typical input current in a 120 VAC Instrument is approximately 3
A when the heater is Off. When the heater is On, the typical input
current is about 15 A. Instruments will draw currents that are
inversely proportional to the input voltages.
5.3.2 Input Power Distribution
Refer to Figure 5-2 for a block diagram of the Input Power
distribution, and Figure 5-3 to physically locate the components
that are part of it.
Figure 5-2. Input Power Distribution
5-6 157-1278-912 Rev A
November 2003
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