Comfortmaker (International Comfort)Uses the first letter for the month (skipping I) and the first two digits are the year. After April 1992, 1st two numbers are year, then month, then series. ColemanSerial numbers prior to April 1992=1st two numbers are month, then year, then series. Previously, it was a complex series of letters and single digits. 14th & 15th digits = Factory Code (01=OH 02=GA) Carrier, Bryant, Payne, Day & NightRecently (last 20 years or so) the first four numbers in the serial number represent the week and year.
00 = 2000 01 = 2001 02 = 2002 Right on through to current date.ħth thru 13th digits = Unit Identity #. June 1980 to Current Sample number 123 H 02 1st three digits = Compressor Part # 4th digit = Month 5th & 6th digits = Year 80 = 1980 81 = 1981 82 = 1982 The year 2000 started the numerical numbering from 00.
This serial number style was only used during the months of April & May 1980. 1980 = A 6th thru 11th digits represent the Unit Identity Number. In this example they are represented by the numbers 123456. Trane Date Codes Code Year Code Year O,A 1980 F 1991 T 1981 G 1992 U 1982 H 1993 W 1983 J 1994 X 1984 K 1995 Y 1985 L 1996 S 1886 M 1997 B 1987 N 1998 C 1988 P 1999 D 1989 R 2000 E 1990 Z 2001 The second alpha character (not necessarily the second digit) in the model number will either be a T or a W: T = cooling, W = heat pump.ĪIR-CONDITIONER DATE CODES (serial #) AMANA / BLACKHORSEB=1971 or 1981 (Of course, now that they've been bought by Goodman, who knows what'll happen) BARD1962 to March 1980 Sample Number 123456 A D 1st six digits are the Unit Identity Number. Before 2002, the first letter of the serial number indicated the year it was manufactured as given by the table: The next two numbers are the week, it was manufactured. Since 2002, the first two numbers of the serial number are the decade and the year it was manufactured. Trane Date Codes Since at least 2000, Trane has been putting the manufactured date in English on the Tag. The first 4 numeric characters are the week and year of production. NNNNANNNNN This serial number format was used in the 1970's through current. The following will explain a Carrier serial number sequence. BASIC UNITS - DATA PLATE SERIAL NUMBER INFORMATION. How to read Carrier product designations.
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