40
T&P VALVE DISCHARGE PIPE
Explosion Hazard
Temperature-Pressure Relief Valve
must comply with ANSI Z21.22-
CSA 4.4 and ASME code.
Properly sized temperature-
pressure relief valve must be
installed in opening provided.
Can result in overheating and
excessive tank pressure.
Can cause serious injury or death.
7KLV ZDWHU KHDWHU LV SURYLGHG ZLWK D SURSHUO\ UDWHGVL]HG DQG
FHUWL¿HGFRPELQDWLRQWHPSHUDWXUHSUHVVXUH7 3UHOLHIYDOYH
E\WKHPDQXIDFWXUHU6HH7HPSHUDWXUH3UHVVXUH5HOLHI9DOYHRQ
SDJHIRULQIRUPDWLRQRQUHSODFHPHQWDQGRWKHUUHTXLUHPHQWV
Water Damage Hazard
Temperature-Pressure Relief Valve discharge
pipe must terminate at adequate drain.
CAUTION
,QVWDOODGLVFKDUJHSLSHEHWZHHQWKH7 3YDOYHGLVFKDUJHRSHQLQJ
DQG D VXLWDEOH ÀRRU GUDLQ 'R QRW FRQQHFW GLVFKDUJH SLSLQJ
GLUHFWO\ WR WKH GUDLQ XQOHVV D ´ FP DLU JDS LV SURYLGHG
7RSUHYHQWERGLO\LQMXU\KD]DUGWROLIHRUSURSHUW\GDPDJHWKH
UHOLHI YDOYH PXVW EH DOORZHG WR GLVFKDUJH ZDWHU LQ DGHTXDWH
TXDQWLWLHVVKRXOGFLUFXPVWDQFHVGHPDQG,IWKHGLVFKDUJHSLSHLV
QRWFRQQHFWHGWRDGUDLQRURWKHUVXLWDEOHPHDQVWKHZDWHUÀRZ
PD\FDXVHSURSHUW\GDPDJH
T&P Valve Discharge Pipe Requirements:
Shall not be smaller in size than the outlet pipe size of the
YDOYHRUKDYHDQ\UHGXFLQJFRXSOLQJVRURWKHUUHVWULFWLRQV
6KDOOQRWEHSOXJJHGRUEORFNHG
6KDOOQRWEHH[SRVHGWRIUHH]LQJWHPSHUDWXUHV
6KDOOEHRIPDWHULDOOLVWHGIRUKRWZDWHUGLVWULEXWLRQ
6KDOOEHLQVWDOOHGVRDVWRDOORZFRPSOHWHGUDLQDJHRIERWK
WKH7HPSHUDWXUH3UHVVXUH5HOLHI9DOYHDQGWKHGLVFKDUJH
pipe.
0XVWWHUPLQDWHDPD[LPXPRIVL[LQFKHVDERYHDÀRRU
GUDLQRUH[WHUQDOWRWKHEXLOGLQJ,QFROGFOLPDWHVLWLV
UHFRPPHQGHGWKDWWKHGLVFKDUJHSLSHEHWHUPLQDWHGDWDQ
DGHTXDWHGUDLQLQVLGHWKHEXLOGLQJ
6KDOOQRWKDYHDQ\YDOYHRURWKHUREVWUXFWLRQEHWZHHQWKH
UHOLHIYDOYHDQGWKHGUDLQ
WATER LINE CONNECTIONS
7KHZDWHUSLSLQJLQVWDOODWLRQPXVWFRQIRUPWRWKHVHLQVWUXFWLRQV
DQG WR DOO ORFDO DQG QDWLRQDO FRGH DXWKRULW\ KDYLQJ MXULVGLFWLRQ
*RRGSUDFWLFHUHTXLUHVWKDWDOOKHDY\SLSLQJEHVXSSRUWHG
5HDG DQG REVHUYH DOO UHTXLUHPHQWV LQ WKH IROORZLQJ VHFWLRQV
EHIRUHLQVWDOODWLRQRIWKHZDWHUSLSLQJEHJLQV
1. Mixing Valves on page 14.
2.
'LVKZDVKLQJ0DFKLQHVRQSDJH
3. Temperature-Pressure Relief Valve on page 15.
4.
&ORVHG6\VWHPVDQG7KHUPDO([SDQVLRQRQSDJH
5.
)RU PXOWLSOH ZDWHU KHDWHU LQVWDOODWLRQV VHH :DWHU 3LSLQJ
Diagrams beginning on page 67.
WATER PIPING DIAGRAMS
7KLVPDQXDOSURYLGHVGHWDLOHGZDWHUSLSLQJGLDJUDPVIRUW\SLFDO
PHWKRGVRIDSSOLFDWLRQIRUWKHZDWHUKHDWHUVVHH:DWHU3LSLQJ
Diagrams beginning 67.
7KHZDWHUKHDWHUPD\EHLQVWDOOHGE\LWVHOIRUZLWKDVHSDUDWH
VWRUDJH WDQN :KHQ XVHG ZLWK D VHSDUDWH VWRUDJH WDQN WKH
FLUFXODWLRQ PD\ EH HLWKHU E\ JUDYLW\ RU E\ PHDQV RI FLUFXODWLQJ
SXPS:KHQDFLUFXODWLQJSXPSLVXVHGLWLVLPSRUWDQWWRQRWH
WKDWWKHÀRZUDWHVKRXOGEHVORZVRWKDWWKHUHZLOOEHDPLQLPXP
RIWXUEXOHQFHLQVLGHWKHZDWHUKHDWHUVWRUDJHWDQN
$GMXVW ÀRZ E\ WKURWWOLQJ D IXOO SRUW EDOO YDOYH LQVWDOOHG LQ WKH
FLUFXODWLQJOLQHRQWKHRXWOHWVLGHRIWKHSXPS1HYHUWKURWWOHÀRZ
RQWKHVXFWLRQVLGHRIDSXPS6HHWKH:DWHU3LSLQJ'LDJUDPV
beginning on page 67.
NOTE:
,QDGGLWLRQWRWKHIDFWRU\LQVWDOOHG7HPSHUDWXUH3UHVVXUH
5HOLHI 9DOYH 7 3 YDOYH RQ WKH ZDWHU KHDWHU HDFK UHPRWH
VWRUDJHWDQNWKDWPD\EHLQVWDOOHGDQGSLSHGWRDZDWHUKHDWLQJ
DSSOLDQFH PXVW DOVR KDYH LWV RZQ SURSHUO\ VL]HG UDWHG DQG
DSSURYHG7HPSHUDWXUH3UHVVXUH5HOLHI9DOYHLQVWDOOHG
&DOO WKH WROO IUHH WHFKQLFDO VXSSRUW SKRQH QXPEHU OLVWHG RQ WKH
EDFNFRYHURIWKLVPDQXDOIRUIXUWKHUDVVLVWDQFHLQVL]LQJD7 3
valve for remote storage tanks.
THERMOMETERS (NOT SUPPLIED)
7KHUPRPHWHUV DUH LQVWDOOHG LQ WKH ZDWHU SLSLQJ V\VWHP DV D
PHDQVRIGHWHFWLQJWKHWHPSHUDWXUHRIWKHKRWZDWHUVXSSO\DW
FULWLFDOSRLQWVLQWKHV\VWHP)LHOGVXSSOLHGWKHUPRPHWHUVVKRXOG
EHREWDLQHGDQGLQVWDOOHG6HH:DWHU3LSLQJ'LDJUDPVRQSDJH
WATER (POTABLE) HEATING AND SPACE HEATING
1.
$OOZDWHUSLSLQJFRPSRQHQWVFRQQHFWHGWRWKHZDWHUKHDWHU
WKDWDUHIRUVSDFHKHDWLQJDSSOLFDWLRQVVKDOOEHVXLWDEOHIRU
XVHZLWKSRWDEOHZDWHU
2.
7R[LF FKHPLFDOV VXFK DV WKRVH XVHG IRU ERLOHU WUHDWPHQW
PXVW1(9(5EHLQWURGXFHGLQWRWKLVV\VWHP
3.
7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO PD\ QHYHU EH
FRQQHFWHG WR DQ\ H[LVWLQJ KHDWLQJ V\VWHP RU FRPSRQHQWV
SUHYLRXVO\XVHGZLWKQRQSRWDEOHZDWHUKHDWLQJDSSOLDQFH
4.
:KHQ WKH V\VWHP UHTXLUHV ZDWHU IRU VSDFH KHDWLQJ WKDW
H[FHHG VDIH WHPSHUDWXUHV DW GRPHVWLF ZDWHU ¿[WXUHV D
PL[LQJYDOYHPXVWEHLQVWDOOHGVHH0L[LQJ9DOYHVRQSDJH
