Whakaahuatanga
Ko te SGI me te SGN he tohu ka huri te tae hei whakaatu i te makuku i roto i te pouaka whakamahana.
Ka whakamahia te SGR hei tohu i te taumata wai i roto i te kaikawe, i te taumata hinu ranei kei rotohe pouaka crankcase.
Ko te SGRN he karaihe tirohanga penei i te SGR, engari he tohu makuku.
Ko te tohu makuku i roto i nga mohiti tirohanga he parenga paru.
Ngā āhuatanga
Momo SGN / SGRN
■ Mo HFC me HCFC refrigerants
■ E tohu ana i te nui rawa o te wai i roto i te punaha whakamatao
■ He tohu mo te kore o te whakamatao iti
■ He tohu mo te korenga o te whakamahana
■ He mura, he hononga solder ranei
Momo SGI
■ Mo nga whakamahana HCFC me CFC
■ E tohu ana i te nui rawa o te wai i roto i te punaha whakamatao
■ He tohu mo te kore o te whakamatao iti
■ He tohu mo te korenga o te whakamahana
■ Hononga mura-, solder ranei