Torus Power A024-HCB-A1AB User Manual
Important Safety Instructions
CAUTION!
To reduce the risk of electric shock and fire, do not remove the cover of this device. There
are no user serviceable parts inside. Please refer all servicing to licensed service technicians.
CAUTION!
The international symbol of a lightning bolt inside a triangle is intended to alert the user to
uninsulated “dangerous voltage” within the device’s enclosure. The international symbol of an
exclamation point inside a triangle is intended to alert the user to the presence of important
operating, maintenance and servicing information in the manual accompanying the device.
CAUTION!
CAUTION!
CAUTION!
To prevent electrical shock, match wide blade of plug to wide slot, fully insert.
To reduce the risk of electrical shock, do not expose this equipment to rain or moisture.
To reduce the risk of electrical shock, ensure the voltage selector switch is selected to the
appropriate supply voltage.
CAUTION!
To reduce the risk of electrical shock, ensure the fuses are replaced with the appropriate
fuse according to the unit markings.
1. Read Instructions—All safety and operating instructions
should be read before operating the device.
2. Retain Instructions—The safety and operating
instructions should be retained for future reference.
3. Heed Warnings—All warnings on the device and in the
operating instructions should be adhered to.
4. Follow Instructions—All operating and safety instructions
should be followed.
5. Water & Moisture—The device should never be used in,
on or near water for risk of fatal shock.
6. Carts & Stands—The device should only be used on carts
or stands recommended by the manufacturer.
8. Ventilation—The device should always be located in such
a way that it maintains proper ventilation. It should never
be placed in a built-in installation or anywhere that may
impede the flow of air through its ventilation slots.
9. Heat—Never locate the device near heat sources such as
radiators, floor registers, stoves or other heat-generating
devices.
11. Power Cord Protection—Power cables should be routed
so they are not likely to be stepped on or crushed by items
placed on them or against them. Special attention should
be paid to areas where the plug enters a socket or fused
strip and where the cord exits the device.
12. Cleaning—The device should be cleaned in accordance
with manufacturer’s instructions.
13. Periods Of Non-Use—The device should be unplugged
when not being used for extended periods.
14. Dangerous Entry—Care should be taken that no foreign
objects or liquids fall or are spilled inside the device.
15. Damage Requiring Service—The device should be
serviced by licensed technicians when:
• The plug or power supply cord has been damaged.
• Objects have fallen or liquid has spilled inside the device.
• The device has been exposed to moisture.
• The device does not appear to be operating properly or
exhibits a marked change in performance.
• The device has been dropped or the enclosure becomes
damaged.
16. Service—The device should always be serviced by
licensed technicians. Only replacement parts specified by
the manufacturer should be used. The use of unauthorized
substitutions may result in fire, shock, or other hazards.
17. Do not position the equipment so that it is difficult to
operate the disconnecting device (power cord).
18. If the equipment is used in a manner not specified by
the manufacturer, the protection provided by the
equipment may be impaired.
19. Some of the units in this series are heavier
CAUTION
than 18 kg (39.7 lb). Use safe practices when lifting.
³18 kg (39.7 lb)
³32 kg (70.5 lb) ³55 kg (121.2 lb)
™
Owner’s Manual Audio / Video Power Isolation Units Rack Mount / Standalone 04/07Power Conditioners
www.TorusPower.com
Description
Torus Power PIUs (Power Isolation Units) combine the best
surge suppression with unique toroidal transformer
technologies from PLITRON to provide the ultimate in AC
power conditioning and protection for sensitive audio and
video equipment applications.
Units are available in either single 120V input, or dual 120V
(balanced) input.
Balanced input power from two standard 120V phases
provides high input power and noise cancellation. Using
balanced input power provides the benefits of symmetrical
power without the requirement to use GFCI (ground-fault
circuit interruption) outlets. GFCIs are prone to nuisancetrips. The toroidal isolation transformer steps-down the 240V
input to 120V to power equipment. (Where 240V balanced
input is unavailable, units may be configured for 208V
operation.)
Shipping Carton & Packing Material
Please keep the original shipping box and all packing material.
This will ensure the PIU is protected in future transport.
In the unlikely event you have a problem and must return it for
service you must use the proper packing material.
Ship the PIU only in the original packing material, as the unit is
not insurable by carriers otherwise.
PIUs use ZeroSurge patented series-mode surge removal
filters to absorb dangerous voltage surges and safely dissipate
them without using failure-prone MOVs (metal oxide
varistors). Also, unlike MOV-based protection, voltage surges
are not shunted to ground.
Isolation is combined with proven proprietary technologies
from PLITRON in the over-sized toroidal transformer. NBT
works as a low pass filter using the controlled leakage
inductance and capacitances within the transformer to cancel
common mode and differential mode noise. LoNo technology
has been used for years by high-end audio companies who
demand silent transformers. Imin technology reduces inrush
currents. UST provides additional common mode filtering
using a highly efficient faraday screen.
Low-impedance output with balanced high-power primary
input provides the most unconstrained, yet protected, energy
source available to your equipment.
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Placement & Ventilation
Torus Power PIUs are extremely efficient devices, however,
they are also very high-power devices, and must be
adequately cooled.
PIUs have ventilation slots on the base, side panels and the
cover. Maintain at least 1” distance from each of these
surfaces to anything else. Should your installation conditions
be constricted, additional forced air-cooling may be
necessary.
™
Owner’s Manual Audio / Video Power Isolation Units Rack Mount / Standalone 04/07Power Conditioners
Do not install the PIU directly above heat-generating
equipment.
Maintain at least 6” behind the PIU for adequate wiring space.
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