Samlexpower PST-300-12 Owner's manual - Mounting Orientation
28 | SAMLEX AMERICA INC.
Mounting orientation
Theunithasairintakeandexhaustopeningsforthecoolingfan(s).Ithastobemounted
in such a manner so that small objects should not be able to fall easily into the unit from
theseopeningsandcauseelectrical/mechanicaldamage.Also,themountingorienta-
tionshouldbesuchthatiftheinternalcomponentsoverheatandmelt/dislodgedueto
acatastrophicfailure,themelted/hotdislodgedportionsshouldnotbeabletofallout
of the unit on to a combustible material and cause a fire hazard. The size of openings
has been limited as per the safety requirements to prevent the above possibilities when
the unit is mounted in the recommended orientations. In order to meet the regulatory
safetyrequirements,themountinghastosatisfythefollowingrequirements:
- Mount on a non-combustible material.
- The mounting surface should be able to support the weight of the unit
- Mount horizontally on a horizontal surface - above a horizontal surface
(e.g.tabletoporashelf).
- Mount horizontally on a vertical surface – The unit can be mounted on a vertical
surface(likeawall)withthefanaxishorizontal(fanopeningfacingleftorright).
WARninG!
MountingtheunitverticallyonaverticalsurfaceisNoTallowed(fanopening
facingupordown).Asexplainedabove,thisistopreventfallingofobjectsinto
the unit through the fan opening when the fan opening faces up. If fan open-
ingfacesdown,hotdamagedcomponentmayfallout.
Dc Side connections
Preventing Dc input over Voltage
ItistobeensuredthattheDCinputvoltageofthisunitdoesnotexceed16.5VDCfor
the12-Vbatteryversionsand33.0VDCforthe24-Vbatteryversionstopreventperma-
nent damage to the unit. Please observe the following precautions:
- Ensurethatthemaximumchargingvoltageoftheexternalbatterycharger/alterna-
tor/solarchargecontrollerdoesnotexceed16.5VDCforthe12Vbatteryversionand
33.0VDCforthe24-Vbatteryversion
- Donotuseunregulatedsolarpanelstochargethebatteryconnectedtothisunit.
Underopencircuitconditionsandincoldambienttemperatures,theoutputofthe
solarpanelmaybe>44VDC.Alwaysuseachargecontrollerbetweenthesolarpanel
and the battery.
- WhenusingDiversionChargeControlModeinachargecontroller,thesolar/wind/
hydrosourceisdirectlyconnectedtothebatterybank.Inthiscase,thecontrollerwill
divertexcesscurrenttoanexternalload.Asthebatterycharges,thediversionduty
cyclewillincrease.Whenthebatteryisfullycharged,allthesourceenergywillflow
into the diversion load if there are no other loads. The charge controller will discon-
nectthediversionloadifthecurrentratingofthecontrollerisexceeded.Disconnec-