A.O. Smith BTH 400 - Installation Requirements; Gas Supply Systems; Power Supply Requirements

13
 6XSSO\JDVUHJXODWRUVVKDOOKDYHLQOHWDQGRXWOHWFRQQHFWLRQV
QRWOHVVWKDQWKHPLQLPXPVXSSO\JDVOLQHVL]HIRUWKHZDWHU
KHDWHUWKH\VXSSO\6HH7DEOHSDJH
 3RVLWLYHORFNXSJDVSUHVVXUHUHJXODWRUVVKRXOGEHLQVWDOOHG
QRFORVHUWKDQIHHWPHWHUDQGQRIDUWKHUWKDQIHHW
PHWHUVIURPWKHZDWHUKHDWHU¶VLQOHWJDVFRQQHFWLRQ
 $IWHULQVWDOOLQJWKHSRVLWLYHORFNXSJDVSUHVVXUHUHJXODWRUV
DQLQLWLDOQRPLQDOVXSSO\SUHVVXUHVHWWLQJRI´:&
ZKLOH WKH ZDWHU KHDWHU LV RSHUDWLQJ LV UHFRPPHQGHG DQG
ZLOO JHQHUDOO\ SURYLGH JRRG ZDWHU KHDWHU RSHUDWLRQ 6RPH
DGGLWLRQ DGMXVWPHQW PD\EH UHTXLUHG ODWHU WR PDLQWDLQ D
VWHDG\JDVVXSSO\SUHVVXUH
 :KHQ LQVWDOOLQJ PXOWLSOH ZDWHU KHDWHUV LQ WKH VDPH JDV
VXSSO\ V\VWHP LW LV UHFRPPHQGHG WKDW LQGLYLGXDO SRVLWLYH
ORFNXSJDVSUHVVXUHUHJXODWRUVEHLQVWDOOHGDWHDFKXQLW
POWER SUPPLY
7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO UHTXLUH D 
9$& VLQJOH SKDVH +]  DPS SRZHU VXSSO\ DQG
PXVWDOVREHHOHFWULFDOO\JURXQGHGLQDFFRUGDQFHZLWKORFDO
FRGHVRULQWKHDEVHQFHRIORFDOFRGHVZLWKWKH1DWLRQDO
(OHFWULFDO&RGH$16,1)3$RUWKH&DQDGLDQ(OHFWULFDO
&RGH&6$&
DEDICATED POWER WIRING AND BREAKERS
'HGLFDWHGSRZHUVXSSO\ZLUHVQHXWUDOZLUHVJURXQGZLULQJDQG
GHGLFDWHGFLUFXLWEUHDNHUVRIWHQSUHYHQWHOHFWULFDOOLQHQRLVHDQG
DUHUHTXLUHGZKHQLQVWDOOLQJWKHZDWHUKHDWHU
NOTE: 7KLVZDWHUKHDWHUVKRXOGQRWEHFRQQHFWHGWRDQHOHFWULFDO
VXSSO\ ZLWK D *URXQG )DXOW &LUFXLW ,QWHUUXSWHU *)&, RU $UF
)DXOW&LUFXLW,QWHUUXSWHU$)&,ZLWK,QWHJUDO *)&,SURWHFWLRQ
DVGH¿QHGLQ1)3$&6$&DQG8/
POWER FLUCTUATIONS AND ELECTRICAL NOISE
7KH ZDWHU KHDWHU¶VFRQWURO V\VWHPUHTXLUHV D VRXUFHRI VWDEOH
FOHDQ HOHFWULFLW\ IRU SURSHU RSHUDWLRQ &RQQHFWLQJ WKH ZDWHU
KHDWHUWRDEUDQFKFLUFXLWWKDWLVVXEMHFWWRÀXFWXDWLRQVLQYROWDJH
OHYHO RU HOHFWULFDO OLQH QRLVH VXFK DV (0, HOHFWUR PDJQHWLF
LQWHUIHUHQFH RU 5), UDGLR IUHTXHQF\ LQWHUIHUHQFHPD\ FDXVH
HUUDWLFFRQWUROV\VWHPRSHUDWLRQDQGPDOIXQFWLRQ
$KLJKTXDOLW\SRZHUVXSSO\¿OWHUVXSSUHVVRUPXVWEHLQVWDOOHG
LIWKHDERYHFRQGLWLRQVH[LVW&DOOWKHWHFKQLFDOVXSSRUW SKRQH
QXPEHU OLVWHG RQ WKH EDFN FRYHU RI WKLV PDQXDO IRU PRUH
LQIRUPDWLRQ
NOTE:0DOIXQFWLRQVFDXVHGE\WKHSRZHUVXSSO\DQGWKHFRVWV
WRLQVWDOOSRZHUVXSSO\¿OWHUVDUHQRWFRYHUHGXQGHUWKHOLPLWHG
ZDUUDQW\
GAS SUPPLY SYSTEMS
/RZSUHVVXUHEXLOGLQJJDVVXSSO\V\VWHPVDUHGH¿QHGDVWKRVH
V\VWHPV WKDW FDQQRW XQGHU DQ\ FLUFXPVWDQFHV H[FHHG ´
:&36,*DXJH7KHVHV\VWHPVGRQRWUHTXLUHSUHVVXUH
UHJXODWLRQ 0HDVXUHPHQWV VKRXOG EH WDNHQ WR LQVXUH WKDW JDV
SUHVVXUHVDUHVWDEOHDQGIDOOZLWKLQWKHUHTXLUHPHQWVVWDWHGRQ
WKH ZDWHU KHDWHU UDWLQJ SODWH 5HDGLQJV VKRXOG EH WDNHQ ZLWK
DOOJDVEXUQLQJHTXLSPHQWRIIVWDWLFSUHVVXUHDQGZLWKDOOJDV
EXUQLQJHTXLSPHQWUXQQLQJDWPD[LPXPUDWHG\QDPLFSUHVVXUH
7KHJDVVXSSO\SUHVVXUHPXVWEHVWDEOHZLWKLQ´:&IURP
VWDWLF WR G\QDPLF SUHVVXUH WR SURYLGH JRRG SHUIRUPDQFH
3UHVVXUHGURSVWKDWH[FHHG´:&PD\FDXVHURXJKVWDUWLQJ
QRLV\FRPEXVWLRQRUQXLVDQFHRXWDJHV,QFUHDVHVRUVSLNHVLQ
VWDWLFSUHVVXUHGXULQJRIIF\FOHV PD\FDXVHIDLOXUHWRLJQLWHRU
LQ VHYHUH FDVHV GDPDJH WR DSSOLDQFH JDV YDOYHV ,I \RXU ORZ
SUHVVXUH V\VWHP GRHV 127 PHHW WKHVH UHTXLUHPHQWV WKH
LQVWDOOHULVUHVSRQVLEOHIRUWKHFRUUHFWLRQV
+LJK 3UHVVXUH EXLOGLQJ VXSSO\ V\VWHPV XVH SUHVVXUHV WKDW
H[FHHG ´ :&  36, *DXJH 7KHVH V\VWHPV PXVW XVH
¿HOGVXSSOLHGUHJXODWRUVWRORZHUWKHJDVSUHVVXUHWROHVVWKDQ
´:&36,*DXJH:DWHUKHDWHUVUHTXLUHJDVUHJXODWRUV
WKDW DUH SURSHUO\ VL]HG IRU WKH ZDWHU KHDWHU LQSXW DQG GHOLYHU
WKHUDWLQJSODWHVSHFL¿HGSUHVVXUHV*DVVXSSO\V\VWHPVZKHUH
SUHVVXUHH[FHHGV36,RIWHQUHTXLUHPXOWLSOHUHJXODWRUVWR
DFKLHYHGHVLUHGSUHVVXUHV6\VWHPVLQH[FHVVRI36,EXLOGLQJ
SUHVVXUH VKRXOG EH GHVLJQHG E\ JDV GHOLYHU\ SURIHVVLRQDOV
IRU EHVW SHUIRUPDQFH:DWHU KHDWHUVFRQQHFWHGWR JDV VXSSO\
V\VWHPVWKDWH[FHHG´:&36,*DXJHDWDQ\WLPHPXVW
EHHTXLSSHGZLWKDJDVVXSSO\UHJXODWRU
$OOPRGHOVUHTXLUHDPLQLPXPJDVVXSSO\SUHVVXUHRI:&
IRU QDWXUDO JDV DQG  :& IRU SURSDQH JDV 7KH PLQLPXP
VXSSO\ SUHVVXUH LV PHDVXUHG ZKLOH JDV LV ÀRZLQJ G\QDPLF
SUHVVXUH7KHVXSSO\SUHVVXUHVKRXOGQHYHUIDOOEHORZ
:&IRUQDWXUDOJDVDQG:&IRUSURSDQHJDV7KHVXSSO\
SUHVVXUHVKRXOGEHPHDVXUHGZLWKDOOJDV¿UHGDSSOLDQFHV
FRQQHFWHGWRWKHFRPPRQPDLQ¿ULQJDWIXOOFDSDFLW\,IWKH
VXSSO\SUHVVXUHGURSVPRUHWKDQ´:&DVJDVEHJLQVWRÀRZ
WRWKHZDWHUKHDWHUWKHQWKHVXSSO\JDVV\VWHPLQFOXGLQJWKHJDV
OLQH DQGRU WKH JDVUHJXODWRU PD\EHUHVWULFWHG RU XQGHUVL]HG
6HH6XSSO\*DV5HJXODWRUVHFWLRQDQG*DV3LSLQJVHFWLRQRI
WKLVPDQXDO7KHJDVYDOYHRQDOOPRGHOVKDVDPD[LPXPJDV
VXSSO\SUHVVXUHOLPLWRI´:&7KHPD[LPXPVXSSO\SUHVVXUH
LVPHDVXUHGZKLOHJDVLVQRWÀRZLQJVWDWLFSUHVVXUH
SUPPLY GAS REGULATOR
7KHPD[LPXPDOORZDEOHJDVVXSSO\SUHVVXUHIRUWKLVZDWHU
KHDWHULV´:&N3DIRUQDWXUDODQGSURSDQHJDV
,QVWDOODSRVLWLYHORFNXSJDVSUHVVXUHUHJXODWRULQWKHJDVVXSSO\
OLQHLILQOHWJDVSUHVVXUHFDQH[FHHGWKHVHSUHVVXUHVDWDQ\WLPH
,IDSRVLWLYHORFNXSUHJXODWRULVUHTXLUHGIROORZWKHVHLQVWUXFWLRQV
 3RVLWLYHORFNXSJDVSUHVVXUHUHJXODWRUVPXVWEHUDWHGDWRU
DERYHWKHLQSXW%WXKUUDWLQJRIWKHZDWHUKHDWHUWKH\VXSSO\
INSTALLATION REQUIREMENTS