4
GL3000 USER G UIDE ISS.1
INSTALLING THE POWER SUPPLY UNIT
Refer to the SAFETY WARNING on the first page of this User Guide.
Power supply type RPS9 is provided with the GL3000 to convert AC mains voltage to the regulated
positive and negative DC voltages required to power the console. It also supplies the +48V phantom power
voltage for use with certain microphones.
The RPS9 may be operated free standing or 19" rack mounted (2U height) up to 2 metres away from the
console. As with any power supply unit it is recommended that it is positioned slightly away from the console
or other signal processing equipment containing sensitive low level audio signals to avoid any possible hum
pickup. It connects to the console by means of a 2.5 metre DC power cable fitted with a 5 pin locking XLR
plug. Mains input to the RPS9 is via a standard 3 pin IEC mains connector with integral AC mains fuse.
A mains cable with moulded plug suitable for the local supply is provided.
The RPS9 power supply unit conforms to safety standard
BS EN 60065
AC mains supply = 100 to 110 V.AC 100 T 3.15A 20mm fuse
AC mains supply = 110 to 125 V.AC 120 T 3.15A 20mm fuse
AC mains supply = 210 to 230 V.AC 230 T 1A 20mm fuse
AC mains supply = 235 to 260 V.AC 240 T 1A 20mm fuse
Check that the voltage indicated in the fuseholder window is
the same as the mains supply in your area.
)
To avoid the risk of fire replace the fuse only with the correct
type and value as specified on the unit.
)
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It is normal for the power unit to dissipate heat. Ensure adequate
ventilation around the unit. Do not cover the unit or position it on
soft furnishings during operation. Do not position other equipment
known to generate significant amounts of heat below the unit. It is
recommended that rack units containing high power amplifiers and
other heat dissipating equipment are fitted with cooling fans.
Always switch the power unit off before connecting or
disconnecting the console power cable.
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This unit contains no user serviceable parts. Do not remove
the cover. Refer servicing to qualified service personnel only.
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Note: The RPS9 is fitted with a rear panel ground lift switch. This is for use when the unit powers certain
other Allen & Heath equipment. This switch is not operative on the GL3000 range. Refer to the section
on 'EARTHING THE AUDIO SYSTEM'.
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