RCF HDL 28-A OWNER MANUAL

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4. POWER REQUIREMENTS AND SET-UP

WARNING

• The system is designed to operate in hostile and demanding situations. Nevertheless it is important to take

extremely care of the AC power supply and set up a proper power distribution.

• The system is designed to be GROUNDED. Always use a grounded connection.

• PowerCon appliance coupler is a AC mains power disconnection device and must be readily accessible during and

after the installation.

VOLTAGE

The HDL 28-A ampliﬁer is designed to work within the following AC Voltage limits: minimum voltage 100 Volt, maximum

voltage 260 Volt. If the voltage goes below the minimum admitted voltage the system stops working. If the voltage goes

higher than the maximum admitted voltage the system can be seriously damaged. To obtain the best performances from

the system it is very important that the voltage drop it is as low as possible.

CURRENT

The following are the long term and peak current requirement for each HDL 28-A module:

The total current requirement is obtained multiplying the single current requirement by the number of modules. To obtain the best

performances make sure that the total burst current requirement of the system doesn’t create a signiﬁcant voltage drop on the

cables.

GROUNDING

Make sure that all the system is properly grounded. All the grounding points shall be connected to the same ground

node. This will improve reducing hums in the audio system.

HDL 28-A, AC CABLES DAISY CHAINS

POWERCON IN

POWERCON OUT

Each HDL 28-A module is provided with a Powercon outlet

to daisy chain other modules. The maximum number of

modules that is possible to daisy chain is:

230 VOLT: 6 modules total

115 VOLT: 3 modules total

WARNING - RISK OF FIRE

A superior number of modules in daisy chain will exceed

the Powercon connector maximum ratings and create a

potentially dangerous situation.

POWERING FROM THREE PHASE

When the system is powered from a three phase power distribution it is very important to keep a good balance in the

load of each phase of the AC power. It is very important to include subwoofers and satellites in power distribution

calculation: both subwoofers and satellites shall be distributed between the three phases.

VOLTAGE LONG TERM

230 Volt 3.2 A

115 Volt 6.3 A

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RCF HDL 28-A ACTIVE TWO-WAY LINE ARRAY MODULE