Cov pa cua kub yog ib qho tseem ceeb tsis tau; Condensation kub yog qhov tseem ceeb ua haujlwm tsis ua haujlwm hauv lub voj voog tub yees; Qhov kub ntawm lub compressor casing thiab lub Hoobkas kub yog qhov tseem ceeb tsis tau yuav tsum tau saib xyuas tshwj xeeb. Cov kev ua haujlwm no tseem ceeb heev los txhim kho kev ua haujlwm thiab kev ua haujlwm tag nrho.