Repair manual

35
SERVICE (cont.)
COMPRESSOR (EMBRACO) (ULTRA-2)
Important Safeguards:
• Trainedservicepersonnelwiththe knowledge ofservicing andtroubleshootingrefrigeration systems or
related components should be used.
• Alwaysbealertofsmellandsounds(arching,poppingandhumming)comingfromthecompressor.Discon-
nect power or unplug immediately and get away.
• Alwaysensuremainpowerisdisconnectedbeforeanyremovalofaprotectivecover.
• Compressoroilandrefrigerantbeingventedcancreateahazardousconditionofchemicalburn,frostbiteor
fire.
• Neverresetabreakerorreplaceablownfusewithoutcheckingthecompressororrelatedcomponentsfora
short circuit or ground fault condition first.
• Alwayswearandusetheappropriatesafetygearwhenservicingarefrigerationsystem.Protectivegloves,
eyewear, shoes, clothes and tools.
• Ifcompressorgroundfaultconditionexists,keeppoweroff,disconnectpowerleads,markortagcompres-
sor to indicate ground fault or defective compressor before replacing with a new compressor.
Compressor Wiring Diagram: