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The shipping container should contain the following items: power supply, HV output cable,
male 15-pin "D" remote control connector and operator's manual. Examine the items
immediately for damage. Locate the serial number label on the side of the power supply
and verify the model number, the input voltage rating and the output voltage rating and
polarity. In the event of any damage promptly notify the transportation company and the
Lambda EMI Customer Service Manager.
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The power supply can be mounted by the chassis support brackets (see Figure 2-1 and 2-2
for details). The mounting brackets are attached to the supply. The supply must mounted
using four PHMS 8-32NC X 0.250 screws. Using wrong (longer) screws may short HV
part to ground ,causing permanent damage to power supply. The power supply can also
operate on a bench or table top. Power supplies >6kV with Oil H.V. section must be
operated in upright position i.e. mounting bracket parallel to ground plane. In all
cases adequate clearances must be provided for proper air flow and cable bends. Keep the
minimum HV cable bend radius greater than 4 inches (101.6mm) to minimize stress on the
insulation. Generally, at least 4 inches (101.6mm) of clearance should be allowed at the
inlet of the power supply and 2 inches (50.8mm) at the sides.
When operating in an enclosed system, care must be taken to ensure the ambient inlet air to
the power supply does not exceed the maximum operating temperature of 45°C. This often
requires addition of a system heat exchanger.
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Proper grounding from the input AC power is required to reduce the risk of electric shock.
The metal chassis of the power supply is grounded through the green earthing wire at the
input AC power terminal block. A protective ground connection by way of the grounding
conductor in the input terminal is essential for safe operation. Use extreme caution when
connecting input AC power and never apply the incorrect input power. (Figure 2-1 & 2-2).
The PFC version and version without PFC should be connected as explained in the
following 2 paragraphs.
A. Version with no PFC.
For this version, the supply can be connected to either 110VAC or 220VAC input
voltage. (See Table 2.2). These connections are shown in Figure 3-1.
1. For 110VAC connect the input line wires to L1 and COM terminals.
2. For 220VAC connect the input wires to L2 and COM terminals.
B. Version with PFC.
83-493-001 Revision G
3 - 1 Installation