5
M.INSTRUCTIONSONTHEPROTECTIVEMEASURESTOBETAKENBYALLSERVICE
TECHNICIANSDURINGREPAIRANDMAINTENANCE..................................................................39
N.THEESSENTIALCHARACTERISTICSOFTOOLSWHICHMAYBEFITTEDTOTHE
MACHINERY...............................................................................................................................................39
O.THECONDITIONSOFSTABILITYDURINGUSE,TRANSPORTATION,ASSEMBLY,
DISMANTLINGWHENOUTOFSERVICE............................................................................................40
o.1Installedreliabletoavoidunitstobetiltedormovedbytheanystorm.......................................40
o.2Transportofsectionwithheatpumpunit....................................................................................40
o.3Disposaloftheheatpumpsystem‐typeDVU.............................................................................40
o.4Genereldisassembly–sharpedges.............................................................................................40
P.INSTRUCTIONSFORMACHINERYWHERETHESEAREREGULARLYTOBE
TRANSPORTED.........................................................................................................................................40
Q.THEOPERATINGMETHODTOBEFOLLOWEDINTHEEVENTOFBREAKDOWN.SAFE
RESTART.....................................................................................................................................................40
R.ADJUSTMENTANDMAINTENANCEOPERATIONS....................................................................41
r.1Shutdownoftheunittoasafestate............................................................................................41
r.2Recommendedmaintenanceintervals.........................................................................................42
r.3.Filters–alwaysreplacefilterswithnewfilterswiththesamecharacteristicstomaintainSFPvalue
........................................................................................................................................................ 44
r.3.1Bagfilters–thenumberoffiltersandthesizesoftheframes
................................................45
r.3.2Panelfilters–thenumberoffiltersandthesizesoftheframes..............................................46
r.3.3Bagfilters.............................................................................................................................47
r.3.4Panelfilters..........................................................................................................................47
r.4Otherfunctionstomaintain........................................................................................................47
r.4.1Theunit...............................................................................................................................47
r.4.2Dampers..............................................................................................................................48
r.4.3Rotary
heatexchangerDVC..................................................................................................48
r.4.3.1Rotor............................................................................................................................... .48
r.4.3.2Motorandbeltdrive.........................................................................................................49
r.4.4Crossflowandcounterflowexchanger.................................................................................49
r.4.4.1By‐passdamper.................................................................................................................49
r.4.4.2Condensatewaterdrain....................................................................................................49
r.4.5Run‐aroundheatexchangerDVR..........................................................................................50
r.4.5.1Pumpandpressureexpansion...........................................................................................50
r.4.5.2Condensatewaterdrain....................................................................................................50
r.4.6HeatingcoilDVH,coolingcoilDVKandchangeovercoilDVHK..............................................50
r.4.6.1Heatingbattery................................................................................................................. 50
r.4.6.2Coolingbattery.................................................................................................................50
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