Serial Number Nomenclature Matrix

1 Serial Number Nomenclature Prior to 1980 April 1, 1980 to June 1,1980 June 1, 1980 to Current 123456 A D 123 D A 123456 123 H80 1234567 02 Compressor Part Number 123= 8000 - 123 Date Code Unit Identity Number MONTH JAN = A FEB = B MAR= C APR = D MAY= F JUN = H JUL = J AUG = K SEP = L OCT = M NOV = N DEC = P YEAR 1980=80 1981=81 1982=82 1983=83 1984=84 1985=85 1986=86 1987=87 1988=88 1989=89 1990=90 TO CURRENT DATE Compressor Part Number

2 123 = 8000 - 123 MAY=F 1980 Unit Identity Number Unit Identity Number 1962=B 1963=C 1964=D 1965=E 1966=F 1967=G 1968=H 1969=J 1970=K 1971=L 1972=M 1973=N 1974=O 1975=P 1976=R 1977=S 1978=T 1979=U 19 80=V FACTORY CODE 01= OH. 02= GA. MONTH JAN = A FEB = B MAR= C APR = D MAY=E JUN = F JUL = G AUG=H SEP = J OCT= K NOV=L DEC=M