32
ELECTRICAL WIRING
,I \RX ODFN WKH QHFHVVDU\ VNLOOV UHTXLUHG WR SURSHUO\ LQVWDOO WKH
HOHFWULFDO ZLULQJ WR WKLV ZDWHU KHDWHU GR QRW SURFHHG EXW KDYH D
TXDOL¿HG HOHFWULFLDQ SHUIRUP WKH LQVWDOODWLRQ 5HIHU WR WKH 3RZHU
6XSSO\VHFWLRQRQ3DJHIRUDGGLWLRQDOUHTXLUHPHQWV
:KHQPDNLQJWKHHOHFWULFDOFRQQHFWLRQVDOZD\VPDNHVXUH
•
7KHYROWDJHDQGIUHTXHQF\PXVWFRUUHVSRQGWRWKDWVSHFL¿HG
RQWKHZDWHUKHDWHUGDWDSODWHRQWKHIURQWRIWKHZDWHUKHDWHU
•
7KHHOHFWULFDOVXSSO\KDVWKHSURSHURYHUORDGIXVHRUEUHDNHU
SURWHFWLRQ7KHKHDWHUGUDZVOHVVWKDQDPSV
•
:LUHVL]HVFRQQHFWLRQVDQGFRQGXLWVFRPSO\ZLWKDOODSSOLFDEOH
FRGHV
•
7KHZDWHUKHDWHUDQGHOHFWULFDOVXSSO\DUHSURSHUO\JURXQGHG
•
7KLVZDWHUKHDWHUPXVWEH³KDUGZLUHG´GRQRWXVHDQH[
tension
FRUGWRVXSSO\HOHFWULFDOSRZHUWRWKLVZDWHUKHDWHU
NOTE:
7KHZLULQJGLDJUDPFDQEHIRXQGLQ)LJXUHRQSDJH
$OZD\V UHIHUHQFH WKH ZLULQJ GLDJUDPV IRU WKH FRUUHFW HOHFWULFDO
FRQQHFWLRQV
:KHQLQVWDOOLQJWKHHOHFWULFDOZLULQJWRWKHZDWHUKHDWHU
1.
6KXWRIIWKHSRZHUDWWKHHOHFWULFDOVHUYLFHER[
2.
/RRVHQWKHVFUHZVVHFXULQJWKHDFFHVVSDQHOWRWKHHOHFWULFDO
FRPSDUWPHQW7KHHOHFWULFDOZLULQJGLDJUDPIRUDOOPRGHOVFDQ
EHIRXQGRQWKHLQVLGHRIWKHDFFHVVSDQHODWWKHEDVHRIWKH
ZDWHUKHDWHU6HWWKHDFFHVVSDQHODVLGH
3.
&RQQHFWWKHHOHFWULFDOVXSSO\WRWKHZDWHUKHDWHULQDFFRUGDQFH
ZLWKORFDOXWLOLW\UHTXLUHPHQWVDQGFRGHV8VHRQO\DGHGLFDWHG
HOHFWULFDO FLUFXLW FRQWDLQLQJ D SURSHUO\ VL]HG IXVH RU FLUFXLW
EUHDNHU 0D[LPXP RYHUORDG SURWHFWLRQ VKRXOG QRW H[FHHG
amperes.
4.
&RQQHFWWKLVFLUFXLWGLUHFWO\IURPWKHHOHFWULFDOVHUYLFHER[WR
DQHOHFWULFDOGLVFRQQHFWVZLWFK
5.
*URXQG WKH ZDWHU KHDWHU E\ FRQQHFWLQJ WKH HOHFWULFDO VHUYLFH
JURXQGZLUHWRWKHJUHHQJURXQGZLUHSURYLGHG
NOTE:
7KH SRZHU VXSSO\ WR WKLV ZDWHU KHDWHU PXVW EH SURSHUO\
SRODUL]HG>YROWVIURPWKHKRWOHDGEODFNWRJURXQGDQGYROWV
IURPWKHQHXWUDOOHDGZKLWHWRJURXQG@RWKHUZLVHWKHXQLWZLOOQRW
operate.
6.
$IWHU PDNLQJ DOO HOHFWULFDO FRQQHFWLRQV FRPSOHWHO\ ¿OO WKH
WDQNZLWKZDWHUDQGFKHFNDOOFRQQHFWLRQVIRUOHDNV2SHQWKH
QHDUHVWKRWZDWHUIDXFHWDQGOHWLWUXQIRUPLQXWHVWRSXUJHWKH
ZDWHUOLQHVRIDLUDQGVHGLPHQWDQGWRHQVXUHFRPSOHWH¿OOLQJ
RIWKHWDQN7KHHOHFWULFDOSRZHUPD\WKHQEHWXUQHGRQ6HH
3DJHIRUWKHFRPSOHWH6WDUW8SLQVWUXFWLRQV
ENABLE/DISABLE CIRCUIT
(For Building Management Systems)
7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO DUH HTXLSSHG ZLWK
DQ HQDEOHGLVDEOH FLUFXLW IRU XVH ZLWK ¿HOG VXSSOLHG H[WHUQDO
VXSHUYLVRU\FRQWUROVVXFKDVWLPHFORFNVRU%XLOGLQJ0DQDJHPHQW
6\VWHPV 7KH HQDEOHGLVDEOH FLUFXLW PD\ EH XVHG WR GLVDEOH
KHDWLQJRSHUDWLRQGXULQJSHULRGVZKHQWKHEXLOGLQJLVXQRFFXSLHG
RUWKHUHLVQRGHPDQGIRUKRWZDWHU
7R XVH WKH HQDEOHGLVDEOH FLUFXLW LW PXVW ¿UVW EH DFWLYDWHG E\
VHOHFWLQJWKH³8VH([WHUQDO(QDEOH´IURPWKH8,0)LHOGVXSSOLHG
ZLULQJLVWKHQLQVWDOOHGEHWZHHQWKHZDWHUKHDWHU¶V&&%DQGD
VHW RI ³GU\ FRQWDFWV´ QR YROWDJH RU ORDG RQ WKH ¿HOG VXSSOLHG
H[WHUQDOFRQWURO
NOTE:
7KHZDWHUKHDWHU¶VHQDEOHGLVDEOHFLUFXLWLVDVZLWFKLQJ
FLUFXLWRQO\'RQRWDSSO\H[WHUQDOYROWDJHRUFRQQHFWDQ\ORDG
,( UHOD\ FRLO WR WKLV FLUFXLW 7KLV ZLOO GDPDJH WKH &&% FLUFXLW
ERDUGDQGLVQRWFRYHUHGXQGHUWKHOLPLWHGZDUUDQW\
CONNECTING AN EXTERNAL SUPERVISORY CONTROL
7KHHQDEOHGLVDEOHFLUFXLWLVDFFHVVHGIURPWKH&&%¶V-SOXJ
LQVLGHWKH&&%HQFORVXUHVHH)LJXUHRQSDJHWRORFDWHWKH
&&%HQFORVXUHDQG)LJXUHRQSDJHIRUWKH&&%OD\RXW
,QVWDOO¿HOGZLULQJWRWKHHQDEOHGLVDEOHFLUFXLW
1.
7XUQ RII SRZHU DW WKH ZDWHU KHDWHU¶V HQDEOHGLVDEOH VZLWFK
DQGWKHEUHDNHUWKDWVXSSOLHVSRZHUWRWKHZDWHUKHDWHU
2.
/RFDWHWKH&&%HQFORVXUH
3.
&DUHIXOO\ UHPRYH WKH 7HPSHUDWXUH 3UREH FRQQHFWRUV DQG
&&%HQFORVXUHFRYHU
4.
/RFDWHSLQVDQGRQWKH&&%-SOXJ6HH
Figure 48 on
page 55.
5.
&RQQHFWWKHWZR¿HOGVXSSOLHGFRQWUROZLUHVWRSLQVDQG
RQWKH&&%-SOXJ
6.
7KUHDGWKHFRQWUROZLUHVRXWRIWKH&&%HQFORVXUHZLWKWKH
RWKHUZLULQJDQGFDUHIXOO\UHSODFHWKH&&%HQFORVXUHFRYHU
(QVXUHDOOZLULQJLVURXWHGWKURXJKWKHLQWHQGHGDUHDSURYLGHG
IRUVWUDLQUHOLHI(QVXUHQRZLULQJLVEHLQJSLQFKHG
7.
5HLQVWDOOWKH&&%HQFORVXUHFRYHU
8.
5RXWH WKH FRQWURO ZLUHV LQVLGH WKH MXQFWLRQ ER[ RQ WKH WRS
RI WKH ZDWHU KHDWHU VHH )LJXUH RQ SDJH WR ORFDWH WKH
MXQFWLRQER[8VHDQDYDLODEOHNQRFNRXWWRURXWHWKHZLUHV
LQVLGHWKHMXQFWLRQER[
9.
,QVWDOO ¿HOG VXSSOLHG FRQWURO ZLULQJ DQG FRQGXLW DV UHTXLUHG
E\ QDWLRQDO DQG ORFDO FRGHV EHWZHHQ WKH ZDWHU KHDWHU¶V
MXQFWLRQ ER[ DQG WKH H[WHUQDO VXSHUYLVRU\ FRQWURO &RQQHFW
WKHZLULQJIURPWKHH[WHUQDOFRQWUROWRWKHFRQWUROZLUHVLQVLGH
WKHMXQFWLRQER[XVLQJZLUHQXWVDQGHOHFWULFDOWDSH
10.
&RQQHFW WKH FRQWURO ZLULQJ WR D VHW RI GU\ FRQWDFWV RQ WKH
H[WHUQDOFRQWURO)ROORZWKHFRQWUROPDQXIDFWXUHU¶VLQVWUXFWLRQV
IRUPDNLQJFRQQHFWLRQV
11.
5HVWRUHSRZHUWRWKHZDWHUKHDWHU
12.
)URP WKH ZDWHU KHDWHUV 8,0 ³+HDWHU ,QIRUPDWLRQ 6FUHHQ´
VHOHFW ³8VH ([WHUQDO (QDEOH´ DQG FKDQJH WR ³<HV´ 6HH
)LJXUHRQSDJHWRORFDWHWKH8,0
NOTE:
:KHQHYHU WKH H[WHUQDO FRQWURO RSHQV WKH VHW RI GU\
FRQWDFWV XVHG ZDWHU KHDWLQJ RSHUDWLRQ ZLOO EH GLVDEOHG
:KHQHYHU WKH H[WHUQDO FRQWURO FORVHV WKH VHW RI GU\ FRQWDFWV
XVHGZDWHUKHDWLQJRSHUDWLRQZLOOEHHQDEOHG$GLDJRQDOOLQHDQG
FLUFOHDSSHDUVRYHUWKHWKHUPRPHWHULFRQRQWKH8,0ZKHQZDWHU
KHDWLQJRSHUDWLRQLVGLVDEOHG6HHWKH6WDWXV,FRQVGHVFULSWLRQV
in Table 12 on page 36.
NOTE:
(QVXUH WKH ZDWHU KHDWHU LV SURWHFWHG IURP IUHH]LQJ
WHPSHUDWXUHVZKHQZDWHUKHDWLQJRSHUDWLRQLVGLVDEOHG'DPDJH
WR WKH ZDWHU KHDWHU FDXVHG E\ IUHH]LQJ WHPSHUDWXUHV LV QRW
FRYHUHGXQGHUWKHOLPLWHGZDUUDQW\
WATER LINE CONNECTIONS
7KHZDWHUSLSLQJLQVWDOODWLRQPXVWFRQIRUPWRWKHVHLQVWUXFWLRQVDQG
WR DOO ORFDO DQG QDWLRQDO FRGH DXWKRULW\ KDYLQJ MXULVGLFWLRQ *RRG
SUDFWLFHUHTXLUHVWKDWDOOKHDY\SLSLQJEHVXSSRUWHG
5HDGDQGREVHUYHDOOUHTXLUHPHQWVLQWKHIROORZLQJVHFWLRQVEHIRUH
LQVWDOODWLRQRIWKHZDWHUSLSLQJEHJLQV
1.
Mixing Valves on page 17.
2.
Temperature-Pressure Relief Valve on page 19.
3.
&ORVHG6\VWHPVDQG7KHUPDO([SDQVLRQRQSDJH
WATER PIPING DIAGRAMS
7KLV PDQXDO SURYLGHV GHWDLOHG ZDWHU SLSLQJ GLDJUDPV IRU W\SLFDO
PHWKRGVRIDSSOLFDWLRQIRUWKHZDWHUKHDWHUVVHH3LSLQJ'LDJUDPV
beginning on Page 58.
7KHZDWHUKHDWHUPD\EHLQVWDOOHGE\LWVHOIRUZLWKDVHSDUDWHVWRUDJH
WDQN:KHQXVHGZLWKDVHSDUDWHVWRUDJHWDQNWKHFLUFXODWLRQPD\
EH HLWKHU E\ JUDYLW\ RU E\ PHDQV RI D FLUFXODWLQJ SXPS :KHQ D