Hopefully this works Answer: The following will explain a Carrier serial number sequence. NNNNANNNNN This serial number format was used in the 1970's through current.
The older Carrier serial numbers can be confusing. A while back Carrier switched from a letter + 2 digit year coding, to the current 2-digit week + 2-digit year. Chammak challo song. I thought that started in 1990, but I have also heard that started sometime in the 1980's. Hvac Serial and Model numbers Each Hvac brand has its own serial and model number and each serial and model number have a different way of telling you the information. You can’t use Carrier serial and model to decode Trane hvac units.
Dragon age inquisition metacritic. The first 4 numeric characters are the week and year of production. For example, a unit that came off the line on March 25, 1999 would begin with 1399, week 13 of the year 1999.
ANNNNNN This serial number was used from 1969 to 1990. The first alpha character is for the month of production. A-M = Jan-Dec 1969-1979 N-Z = Jan-Dec 1980-1990 'I' and 'O' are not used The second digit, a numeric character is the production year The balance of the numeric characters are the production sequence e.g., A912345.this serial number would be a unit produced in Jan 1969 P512345.this unit would have been produced in Feb 1985. Hopefully this works Answer: The following will explain a Carrier serial number sequence. NNNNANNNNN This serial number format was used in the 1970's through current.