Powercom SKP-500A Manual de usuario

UPS

Uninterruptible Power System

SKP-500A/700A

SERVICE’S MANUAL

SKP-500A/700A SERVICE MANUAL V1.0

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(1) PANELS EXPLAIN

Front Panel

n“ON/TEST” button: With the UPS plugged in, press the ON/TEST button to turn on the UPS

and power the loads. ON/TEST button also activates the UPS‘s self-test function and silence the

buzzer when working at backup mode.

o“OFF” button: Press the OFF button to turn off the UPS and the loads.

p“BOOST AVR (VOLTAGE BOOST)” indicator (YELLOW LED): The LED illuminates

when the UPS is correcting a lower utility voltage input. The loads would receive steady and

correct power from the UPS.

q“BUCK AVR (VOLTAGE REDUCTION)” indicator (YELLOW LED): The LED

illuminates when the UPS is correcting a higher utility voltage input. The loads would receive

steady power from UPS.

r“OVERLOAD / REPLACE BATTERY” indicator (RED LED): The LED flashes when the

loads connected to the UPS exceed the UPS‘s capacity, and bright steady when the UPS‘s battery is

no longer useful and must be replaced..

s“BACK UP” indicator (YELLOW LED): The LED illuminates when the UPS is supplying

battery power to the loads

t“LINE NORMAL” indicator (GREEN LED): The LED illuminate when the line input

voltage is normal.

u“LOAD LEVEL / BATTERY CAPACITY” bar graph: When line normal, the LED bar

shows the load level. When back up mode, it shows the battery capacity.

SKP-500A/700A SERVICE MANUAL V1.0

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Rear Panel

nREMOTE PORT

Provide both RS-232 and relay signal or USB to support NOVELL, UNIX, DOS, WINDOWS and

other operating systems.

oTEL./MODEM protection

Telecom transfer ports provide users to extend the applications.

Caution: To reduce the risk of fire, use only No. 26AWG or larger telecommunication line cord.

pAC INPUT POWER RECEPTACLE

The input power cord needs to connect the rear inlet socket of the UPS and plug into a socket on

the wall. Please notice the voltage of utility power should match with the UPS. For example, the

rating voltage of UPS is 110V/(220V), the input utility power should be the same as 110V/(220V).

qINPUT CIRCUIT BREAKER/ FUSE

It trips when the connected loads exceed the protected receptacle‘s capacity. The center plungers of

the circuit breakers/ fuse enabled when tripped.

rUPS OUTLETS

When utility power is normal, the UPS outlets are powered by utility power without AVR function.

Any higher or lower utility power would be rectified by AVR function. When utility power is fail,

the UPS outlets are powered from battery.

sCONVENIENCE OUTLET

The CONVENIENCE outlet is pass from the utility power with voltage spike filtering function.

SKP-500A/700A SERVICE MANUAL V1.0

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(2)MAIN STRUCTURES OF SMK-500CS/700CS

SKP-500A SKP-700AMODEL NAME

100~120V 220~240V 100~120V 220~240V

PCB S505-V1.x

CPU S505-V1.xx

TRANSFORMER RT-S05A1 RT-S05B1 RT-S07A1 RT-S07B1

BATTERY 12V/7AH 12V/9AH

REAL PANEL INPUT SOCKET,OUTPUT SOKETS

FRONT PANEL STATUS LED,POWER SWITCH

(3)THE ATTACHED CONNETION DIAGRAMS OF SMK-500CS/700CS

SKP-500A/700A SERVICE MANUAL V1.0

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(4)FUNCTION BLOCK DIAGRAM

4.1 Main structure

4.2 Control circuit

SKP-500A/700A SERVICE MANUAL V1.0

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(5)TROUBLE SHOOTING FOT SKP-500A/700A SERIES:

PROBLEM POSSIBLE CAUSE ACTION TO TAKE

“On” switch not been push Push the “On” switch

Battery voltage less than 10V Connect the utility power to the ups and test

after 8hours.

UPS not on &

LED not light

PCB failure Replace the PCB, call for service

AC FUSE or Circuit breaker open Replace the AC fuse in the inlet, or re-push

the circuit breaker.

UPS always at

battery mode

Line voltage too high, too low or black

out

Normal condition

Battery not fully charged Recharge the UPS at least 8 hours

Battery too old Replace Battery, call for service

Back up time too

short

PCB failure Replace PCB, call for service

Buzzer continuous

beeping

Overload Remove the non-critical loads

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