Samlexpower PST-1500-12 Owner's Manual - Section 10 |
42 | SAMLEX AMERICA INC.
SAMLEX AMERICA INC. | 43
10.4 HIGH DC INPUT VOLTAGE SHUTDOWN
IfthevoltageattheDCinputterminalsrisesto16.5VorhigherforPST-1500-12/PST-
2000-12or,to33VorhigherforPST-1500-24/PST-2000-24,theACoutputvoltagewillbe
shutdowntemporarily.Buzzeralarmwillbesounded.TheGreenLEDmarked"POWER"
(2,Fig6.1)willremainlighted.TheGreenindicatorlightontheGFCIwillbeOFF.The
unitwillberesetautomaticallywhenthevoltagedropsdownto<16.5VforPST-1500-12
/PST-2000-12orto33VforPST-1500-24/PST-2000-24.
10.5 OVER-TEMPERATURE SHUT DOWN
In case of failure of the cooling fans or in the case of inadequate heat removal due to
higherambienttemperatures/insufficientairexchange,thetemperatureinsidetheunit
will increase. The temperature of a critical hot spot inside the inverter is monitored, and
at90°C±5°C,theACoutputoftheinverterisshutdowntemporarily.Buzzeralarmwill
besounded.TheGreenLEDmarked"POWER"(2,Fig6.1)willremainlighted.TheGreen
indicationlightontheGFCIwillbeOFF.
Theunitwillautomaticallyresetafterthehotspothascooleddownto65°C±5°C.
10.6 GROUND FAULT / LEAKAGE PROTECTION
ACOutputissuppliedthroughNEMA5-20RGFCIDuplexReceptacle(5,Fig6.1)andalso
throughhardwiring(13,Fig6.1).TheGFCIwilltripifthereis5to6mAleakage/Ground
faultontheloadsideor,ifNeutralandGroundarebondedontheloadside.When
tripped,theGreenLEDindicationwillbeswitchedOFF.Removethecauseoftripping.
SwitchONtheinverterifOFFandthen,pressthe"ResetButton"ontheGFCItoreset
(GFCIwillnotresetiftheinverterisOFFandthereisnoACvolatgeontheinternalLine
SideoftheGFCI).
10.7 INTERNAL DC SIDE FUSES
ThefollowingDCsidefuseshavebeenprovidedforinternalprotectionoftheDCinput
side.Thefusesare32V,AutomotiveTypeBladeFuses,Type"ATO"byLittelFuseor
equivalent:
PST-1500-12: 5 pieces of 40A in parallel = 200A total
PST-1500-24: 5 pieces of 20A in parallel = 100A total
PST-2000-12:6piecesof40Ainparallel=240Atotal
PST-2000-24:6piecesof20Ainparallel=120Atotal
NOTE: The fuses are soldered to the PCB. Hence, these can be removed and replaced by
de-soldering and then re-soldering.