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FSR SPC-15 User Manual

Page 3

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POWER PRODUCT GROUP

Phone: 973-785-4347 Fax: 973-785-3318

W

eb: www

.fsrinc.com E-Mail: [email protected]

FSR

INTRODUCTION

Thank you for your purchase of an

FSR SE-

QUENCING POWER CONDITIONER (SPC-

15)

and congratulations on your choice.

This

equipment, not only sequences the power turn

on, it also provides maximum protection form

the types of hazards faced by delicate analog and

digital pro audio and video equipment.

Y

our SPC-15 provides the most complete and

comprehensive protection form power line-

related transient voltages, noise and wiring faults

available. It combines a high voltage sur

ge and

transient suppressor with an RFI/EMI interfer

-

ence

fi

lter

.

The fast-acting suppression circuit

responds in less than a nanosecond, clamping

transient voltages to safe levels, the

fi lter

works

to prevent noise from

fl

uorescent lights, certain

dimmers, radio transmitters, and similar sources

of “electronic pollution” from contaminating the

AC line and from there, leaking into sensitive

audio, video, or computer circuits.

What sets the FSR SPC Series apart fr

om

other

sequencers and conditioners is the use

of

TRIACS as the switching element instead of

relays, which ar

e pr

one to failur

e.

Also

another

distinguishing feature is the quantity

, quality

, and

con

fi

guration of its suppression devices.

These

include MOV’

s, gas dischar

ge tubes, fast-blow

fuses, and high voltage inductors and capaci-

tors.

This unique combination can safely absorb

and dissipate lar

ge spikes from nearby lightning

strikes and other sources as well as highly attenu-

ate audible high frequency noise.

NOTE: SPC-15 requires that a safety ground

be present for proper operation.

Any attempt to

operate the SPC-15 without a safety ground is

considered improper operation and could invali-

date the warranty

.

Effects of Lightning

Lightning is a natural phenomenon of overwhelm-

ing force that represents the most dif

fi cult

circum-

stance faced by a power protection product.

The

degree of protection a SPC-15 can of

fer depends

on the intensity of the strike. If lightning strikes

a distant power line and causes a relatively small

disturbance to reach your location, the spike

suppressors in the SPC-15 will absorb the excess

voltage invisibly and harmlessly

. However

, if

lightning strikes the actual building where the

SPC-15 is installed (or somewhere very nearby)

some damage may be unavoidable due to the ex-

tremely high voltage and current present. If this

does occur

, most likely damage will be limited

to the SPC-15 itself and will af

fect only certain

spike suppression components (called varistors or

MOV’

s.) In this “suicide” mode, the SPC-15 may

sustain minor damage but generally will protect all

equipment plugged into it from much more seri-

ous and costly damage as long as the equipment

is properly grounded. Proper grounding requires

the use of three-prong

AC cords, and that the

building’

s outlets are actually grounded to earth

as speci

fi

ed by local building codes.

Any SPC-15 known to have taken a direct light-

ning hit should be checked by a quali

fi ed

techni-

cian or the FSR factory to determine whether the

MOV’

s need replacement.

If the surge cir

cuits

indicator

is not lit, ther

e is de

fi nitely

some

damage. Some spike suppr

ession capability

may still be available, but ther

e is no guarantee

of this.

For optimum protection, you should not rely ex-

clusively on the SPC-15 to protect against a direct

lightning hit.

The

fi

rst line of defense against

lightning should be a lightning arrestor installed

on your building’

s electrical service entrance. If

your building does not have one, contact your

local power company or a contractor to have one

installed.

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