1 F20 Product series name: F20 = MOBILECOOL OUTDOOR; F50 = FREECOOLING BOX
2 2 Factory Location
3 12 Year of Production (last two digits)
4 08 Month of Production
5 0001 Product Sequence Number (0001-9999)


Example: F20212080001 = MOBILECOOL-OUTDOOR unit built in Gu'an, China in August 2012. This is the 1st unit built of this type during this period.