22
Installation
5.4.2
Earthing
The unit is supplied with a 3 core mains lead which carries a protective earth/ground
conductor and is fitted with an IEC plug. The mains plug should be inserted only into
a socket that provides a protective earth/ground contact to ensure safe operation.
Alternatively, a separate connection may be made to the earth/ground stud on the
rear panel of the unit.
5.4.3
Mains Voltage
The rack contains a universal power supply requiring the following input:
Voltage
85 to 264 VAC
Frequency
47 to 440 Hz
Power rating
1200 VA
The Controller power supply is also universal. Please consult the manual provided by
the OEM supplier for details.
5.4.4
Mains Voltage Cord and Fuses
Different power cords are available for various mains outlets and the appropriate
version is delivered with the unit. Seek technical advice if there is any doubt over the
mains power connections. Two fuse holders are located on the rear panel. Each
carries a 15A T type anti-surge ceramic high rupture current, 1.25 by 0.25 inch, fuse.
5.4.5
Internal Fuses
Warning
. The following fuses are located internally and must be replaced only by trained
personnel authorized by Melles Griot.
Fuse
Rating/A
Type
F1
8
T HRC
F2
8
T HRC
F3
5
T HRC
F4
5
T HRC
F5
3.15
T HRC
F6
10
T HRC
F7
10
T HRC
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