6 : 3.AC mains supply
The AC Main connection is made via the
AMP CPC 45A connector in K6, K8, K10 and K20;
IEC C20 connector in K3 and K2.
The FIGURE 7 shows how to connect the mains power
cable to the amplier.
Make sure the AC mains voltage used
is within the acceptable operating
voltage range: 115V-230V ±10%.
It is important to connect the ground
for safety, do not use adapters that
disable the ground connection.
All K Series ampliers have an automatic power factor
correction system – PFC – for a perfect mains network
interface. The PFC minimizes the reactive power reected
on the network and reduces the harmonic distortion on the
voltage/current waveform: in this way the amplier is seen
as a resistive load from the mains network. Furthermore, the
system allows performance to be maintained even in case
of varying mains voltage.
6 : 4.Precautions regarding installation
Placing and using the amplier for long periods of time
on heat generating sources will affect its performance. Avoid
placing the amplier on heat generating sources. Install this
amplier as far as possible from tuners and TV sets. An
amplier installed in close proximity of such equipment may
experience noise or generic performance degradation.
The power cord type provided with the amplier are
LAPP OLFLEX191 3G6 / SJT 3XAWG10
for K6, K8, K10 and K20.
Bahoing SJT 3x16AWG or I-sheng SGIS 3G 1,5 mm
2
for K3 - K2.
WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK
This device must be powered exclusively by earth con-
nected mains sockets in electrical networks compliant
to the IEC 364 or similar rules.
Install K6, K8, K10 and K20 into rack cabinet.
With K6, K8, K10 and K20 a sectioning breaker be-
tween the mains connections and the amplier must
be installed inside the rack cabinet. Suggested device
is 32A/250VAC, C or D curve, 10kA.
With K2 and K3 provide a sectioning breaker between
the mains connections and the amplier. Suggested
device is 16A/250VAC, C or D curve, 10kA.
Before powering this amplier, verify that the correct
voltage rating is being used.
Verify that your mains connection is capable of satisfy-
ing the power ratings of the device.
Do not use this amplier if the electrical power cord is
frayed or broken.
Output terminals are hazardous: wiring connection to
these terminals require installation by an instructed
person and the use of ready made leads.
Take care to secure the output terminal before switch-
ing the device on.
To avoid electrical shock, do not touch any exposed
speaker wiring while the amplier is operating.
Do not spill water or other liquids into or on the amplier.
No naked ame sources such as lighted candles
should be placed on the amplier.
Do not remove the cover. Failing to do so will expose
you to potentially dangerous voltage.
It is absolutely necessary to verify this fundamental
requirement of safety and, in case of doubt, require an
accurate check by qualied personnel.
The manufacturer cannot be held responsible for
damages caused to persons, things or data due to an
improper or missing ground connection.
Contact the authorized service center for ordinary and
extraordinary maintenance.
Connection to the mains shall be done
only by a electrotechnical Skilled person
according the national requirements of
the countries where the unit is sold
ground
mains
open the lock
and insert the plug
lock the plug
N
Neutral
L
Line
GND
Protective
earth
32 1
FIGURE 7: Mains connecors; A) IEC C20 in K2 and K3;
B) AMP CPC 45A in K6, K8, K10 and K20.
A
B
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