The meaning of the models represented by the symbols and numbers of diesel generator sets are as follows:
1---Output rated power (KW), expressed in numbers.
2---Output voltage type G represents AC power frequency; P represents AC medium frequency; S represents AC dual frequency; Z represents DC.
3---Generator set type; F represents land use; FC represents marine use; Q represents automobile use; T represents trailer use.
4---Control characteristics, missing for manual (ordinary) units; Z represents automatic units; S represents low-noise units; SZ represents low-noise automatic units.
5---Design serial number, expressed in numbers.
6---Variant code, expressed in numbers.
7---Environmental characteristics, missing for ordinary type; TH represents wet and hot type.
