Example: RPGC-037JA = 3 ton Age: Four digits of serial number indicate date of manufacture where first two indicate the week and the third and fourth are the year. In the 1960s and early ‘70s this was the last four digits. More recently date of manufacture information is found closer to the middle of. S Utility connections are the same because 3 - 12.5 ton units fit on existing Carrier rooftop curbs. This saves time and money on replacement jobs. S Standardized components and layout. MODEL NUMBER NOMENCLATURE 4 Unit Heat Type 0 Packaging & Seismic 0 = Standard 1 = LTL 3 = CA seismic compliant 4 = LTL & CA seismic compliant 48 = Gas heat. Jul 18, 2008 - I'm trying to find out the age of a Carrier RTU. Does anybody know the nomenclature of the serial numbers? I would have called my supply.
Carrier Rtu Serial Number Nomenclature Form
Carrier Hvac Serial Number Age
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Carrier Rtu Model Number Nomenclature
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