11.3.1 - Exchanger coils:
Ŷ 7KHWHPSHUDWXUHRIWKHÀXLGVFLUFXODWLQJLQWKHFRLOVPXVWQRWH[FHHGWKHYDOXHJLYHQRQWKHXQLWVQDPHSODWH
Ŷ ,WPXVWEHEHORZWKHVXUIDFHWHPSHUDWXUHOLPLWRUWHPSHUDWXUHFODVVFRUUHVSRQGLQJWRWKH$7(;DWPRVSKHUHIRUZKLFKWKHXQLW
LVFHUWL¿HGVHH0DUNLQJ
11.3.2 - Fan motor assembly section:
Ŷ )ROORZWKHUHFRPPHQGDWLRQVIURPWKHPDQXIDFWXUHUVRIWKHPRWRUVDQGIDQPRWRUDVVHPEOLHVLQWKHPDQXDOVLQFOXGHGZLWKWKH
$7(;¿OH
Ŷ )RUEHOWSXOOH\V\VWHPVWKHEHOWWHQVLRQPXVWEHUHJXODUO\DGMXVWHGDQGFKHFNHG$VODFNEHOWFDQVOLSDQGUHDFKKLJKWHPSHUDWXUHV
7KHIUHTXHQF\IRUWKHVHFKHFNVLVRQFHDZHHN7KLVIUHTXHQF\PXVWEHDGDSWHGWRWKHREVHUYDWLRQVPDGHGXULQJSUHYLRXV
FKHFNVFRQGLWLRQRIWKHEHOWVWDELOLW\RIWKHVHWWLQJVDQGWKH$7(;ULVN
Ŷ 2QO\XVHQRQÀDPPDEOHDQWLVWDWLFHOHFWULFDOO\FRQGXFWLYHEHOWVDGDSWHGWRWKHXQLWV$7(;DWPRVSKHUH
11.3.3 - $LU¿OWHU
Ŷ )RU$7(;XQLWVLQFDWHJRULHV]RQHDQG±]RQHRURQO\XVH$7(;FHUWL¿HGDQWLVWDWLF¿OWHUVFRPSDWLEOHZLWKWKH
]RQHDQGWKHJDVDQGRUGXVWJURXS
Ŷ 7ROLPLWWKHGHSRVLWVRIGXVWLQWKHXQLWVLQVWDOOHGLQ]RQH\RXPXVW
- 5HSODFHWKH¿OWHUVRQFHWKH\DUHPRGHUDWHO\IRXOHG
- :KHQUHSODFLQJ¿OWHUVFOHDQWKHXQLWIXOO\XVLQJDYDFXXPFOHDQHULQSDUWLFXODUDQ\FRPSRQHQWVVXEMHFWWRKLJKWHPSHUDWXUHV
H[FKDQJHUFRLOVIDQPRWRUDVVHPEO\HWF
- (QVXUHWKDWWKHJURXQGVWUDSVIRUWKH¿OWHUFHOOVDUHUHFRQQHFWHGDQGFKHFNWKDWWKH\DUHLQJRRGFRQGLWLRQEHIRUHUHVWDUWLQJ
11.3.4 - Electrical connections:
Ŷ $OO HOHFWULFDO FRQQHFWLRQV PXVW EH SHUIRUPHG E\ TXDOL¿HG$7(;DSSURYHG SHUVRQQHO 8QGHU QR FLUFXPVWDQFHV PD\ WKH
PDQXIDFWXUHUEHKHOGOLDEOHIRUWKHSHUIRUPDQFHRIWKHVHFRQQHFWLRQVZKLFKDUHRXWVLGHWKHVFRSHRILWVVHUYLFHV
11.3.5 - Prevention of corrosion:
Ŷ ,IDQ\UXVWDSSHDUVVDQGWKHFRUURGHGVXUIDFHZLWKDQHPHU\FORWKFOHDQWKHQSURWHFWZLWKUXVWSURRIDQWLHOHFWURVWDWLFSDLQW
11.4 - Using tools in an explosive atmosphere
Ŷ 7KHRSHUDWLQJPDQDJHUVIRUWKHLQVWDOODWLRQVDQGSURFHVVHVZKLFKLQFOXGHH[SORVLYHDWPRVSKHUHVPXVWSURYLGHDOOSHUVRQV
ZRUNLQJRQDVLWHZLWKLQIRUPDWLRQUHODWLQJWRXVLQJPDQXDOWRROVLQFRPSOHWHVDIHW\7KHUHDUHWZRGLႇHUHQWW\SHVWREHWDNHQ
LQWRFRQVLGHUDWLRQ
- 7\SH$7RROVOLDEOHWRRQO\SURGXFHVLQJOHVSDUNVZKHQXVHGVXFKDVVFUHZGULYHUVVSDQQHUVRULPSDFWZUHQFKHVIRUH[DPSOH
- 7\SH%7RROVWKDWJHQHUDWHDSOXPHRIVSDUNVZKLFKPD\EHXVHGGXULQJJULQGLQJRUVDZLQJRSHUDWLRQV
Ŷ ,Q]RQHVDQGRURQO\W\SH$WRROVDUHSHUPLWWHGXVHRIW\SH%WRROVFDQRQO\EHDXWKRULVHGLIQRGDQJHURXVH[SORVLYH
DWPRVSKHUHLVSUHVHQWZLWKLQWKHZRUNLQJDUHD
Ŷ ,Q]RQHDQGLQWKHSUHVHQFHRIVXEVWDQFHVEHORQJLQJWRJURXS,,&DFHW\OHQHFDUERQGLVXOSKLGHK\GURJHQDQGK\GURJHQ
VXOSKLGHHWK\OHQHR[LGHFDUERQPRQR[LGHLIWKHUHLVDULVNRIH[SORVLRQGXHWRWKHSUHVHQFHRIWKHVHVXEVWDQFHVWKHXVHRI
VWHHOWRROVLVSURKLELWHGXQOHVVLWFDQEHDVVXUHGWKDWQRGDQJHURXVH[SORVLYHDWPRVSKHUHUHPDLQVLQWKHSODFHRIZRUNZKLOVW
WKHVHWRROVDUHEHLQJXVHG
Ŷ 7\SH$VWHHOWRROVFDQEHDXWKRULVHGLQ]RQHW\SH%VWHHOWRROVFDQRQO\EHXVHGLIWKHSODFHRIZRUNLVVHSDUDWHGDQGSURWHFWHG
IURPWKHUHPDLQLQJ]RQHORFDWLRQVDQGLIWKHIROORZLQJDGGLWLRQDOPHDVXUHVDUHWDNHQ
- (LWKHUDQ\GXVWGHSRVLWVKDYHEHHQUHPRYHGIURPWKHZRUNLQJDUHD
- 2UWKHUHLVVXႈFLHQWPRLVWXUHLQWKHZRUNLQJDUHDWRSUHYHQWGXVWIURPEHLQJGLVSHUVHGLQWRWKHDLUDQGWKHGHYHORSPHQWRI
VPRXOGHULQJ¿UHV
Ŷ 'XULQJJULQGLQJRUVDZLQJRSHUDWLRQV LQ]RQHRUFORVHWRVXFK D ]RQHLWLVSRVVLEOHWKDWDQ\VSDUNVSURGXFHG FRXOGEH
SURMHFWHGODUJHGLVWDQFHVDQGWKHUHE\IRUPJORZLQJSDUWLFOHV)RUWKLVUHDVRQWKHRWKHU]RQHVDURXQGWKHSODFHRIZRUNPXVW
DOVREHLQFOXGHGLQWKHSURWHFWLYHPHDVXUHVPHQWLRQHGDERYH
Ŷ 7KHXVHRIWRROVLQ]RQHVDQGPXVWEHVXEMHFWWRWKHZRUNSHUPLWV\VWHP
Ŷ $OORWKHUW\SHVRIWRROVRUHTXLSPHQWUHTXLUHGIRUPDLQWHQDQFHRSHUDWLRQVYDFXXPFOHDQHUVHWFPXVWEHFRPSDWLEOHZLWKXVH
LQWKH$7(;]RQHLQTXHVWLRQ2WKHUZLVHLWPXVWEHHQVXUHGWKDWSULRUWRDQGIRUWKHGXUDWLRQRIDQ\PDLQWHQDQFHRSHUDWLRQ
WKHSODFHRIZRUNLVVXႈFLHQWO\YHQWLODWHGWRSUHYHQWWKHSUHVHQFHRUIRUPDWLRQRIDQH[SORVLYHDWPRVSKHUH
11 - SPECIAL NOTES FOR ATEX ZONES
(1 &/,0$&,$7
®