Installation Azbil Corporation
2-2 Model PTG60/70/71/72 - Smart Pressure Transmitter
2-2 : Installing screw-mount transmitters (model PTG__G, PTG__B,
PTG__A)
Safety precautions
CAUTION
• $IWHUWKH37*7UDQVPLWWHULVLQVWDOOHGGRQRWXVHLWDVDIRRWKROGRUDQ\RWKHU
LPSURSHUSXUSRVH'RLQJVRPD\UHVXOWLQGDPDJHWRHTXLSPHQWDQGRUSK\VLFDO
injury.
• +LWWLQJWKHJODVVSRUWLRQRIWKHLQGLFDWRUZLWKDWRROPD\EUHDNWKHJODVVDQG
RUFDXVHSK\VLFDOLQMXU\&DXWLRQPXVWEHH[HUFLVHGLI\RXU37*7UDQVPLWWHULV
equipped with an optional digital indicator.
• %HFDUHIXOZKHQLQVWDOOLQJWKHWUDQVPLWWHULIWKHSURFHVVÀXLGWHPSHUDWXUHLVKLJK
7KHKHDWRIWKHÀXLGDQGRUWKHKHDWUDGLDWHGIURPWKHSLSLQJPD\UDLVHWKHVXUIDFH
temperature of the Transmitter very high.
Installation precautions
• :KHQLQVWDOOLQJWKH7UDQVPLWWHUSRVLWLRQDQGVHFXUHWKHJDVNHWVRWKDWLWGRHV
QRWSURWUXGHIURPZKHUHWKH7UDQVPLWWHULVFRQQHFWHGWRWKHSURFHVVZKHUHDQ
DGDSWHUÀDQJHLVFRXSOHGWRDFRQQHFWLQJSLSH,IWKHJDVNHWVWLFNVRXWOLTXLG
OHDNDJHRURXWSXWHUURUPD\UHVXOW
• 'RQRWXVHWKH7UDQVPLWWHUXQGHUDQ\RWKHURSHUDWLQJFRQGLWLRQVWKDQVSHFL¿HG
LQWKHSURGXFWVSHFL¿FDWLRQVLHUDWHGSUHVVXUHFRQQHFWLRQVWDQGDUGUDWHG
WHPSHUDWXUHUDWHGYLEUDWLRQDQGUDWHGKXPLGLW\8VLQJWKLVSURGXFWXQGHU
LQFRUUHFWRSHUDWLQJFRQGLWLRQVPD\FDXVHGDPDJHWRWKHSURGXFWDQGOHDNDJHWKDW
could lead to a a major accident.
• :LULQJZRUNLQKD]DUGRXVDUHDVKRXOGEHSHUIRUPHGFDUHIXOO\E\IROORZLQJWKH
ZRUNPHWKRGVVSHFL¿HGLQWKHH[SORVLRQSURWHFWLRQJXLGHOLQHV
• Connect the Transmitter to a good ground. If it is not grounded or the ground is
LQDGHTXDWHRXWSXWHUURUZLOORFFXU1RWJURXQGLQJWKHWUDQVPLWWHULVDYLRODWLRQ
RIUHJXODWLRQV%HFDUHIXORI\RXUIRRWLQJGXULQJLQVWDOODWLRQ$OZD\VZHDUVDIHW\
shoes.
• 7KLVSURGXFWFDQEHLQVWDOOHGGLUHFWO\RQWKHSLSHGLUHFWPRXQWLQJRQDLQFK
SLSHZLWKWKHPRXQWLQJEUDFNHWVRSWLRQDOSDUWRURQDZDOO
• Connecting pipe arrangement
• 3LSLQJFRQGLWLRQVGL൵HUGHSHQGLQJRQWKHSURFHVV
/LTXLG (VWDEOLVKDWDSDORQJVLGHWKHOLQHDQGLQVWDOOWKH7UDQVPLWWHUQH[WWRRU
beneath the tap to allow gas to return to the inside of the process line.
*DV Establish a tap on top of or alongside the line and install the Transmitter
QH[WWRRUDERYHWKHWDSWRDOORZOLTXLGWRUHWXUQWRWKHLQVLGHRIWKH
process line.
6WHDP Establish a tap alongside the process line and install the Transmitter
beneath that tap to allow condensation to return through the connecting
pipe.