23
Supply water piping
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%POPUVTF 17$ JSPO PS BOZ QJQJOH XIJDI IBT CFFO
USFBUFEXJUIDISPNBUFTCPJMFSTFBMPSPUIFSDIFNJDBMT
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.PVOUBDIFDLWBMWFBOEBTIVUPGGWBMWFOFBSUIFJOMFU
r*OPSEFS GPS UIF DMJFOU UP VTF UIF XBUFS IFBUFS
DPNGPSUBCMZUPL1B UP14* PG
QSFTTVSFJTOFFEFEGSPNUIFXBUFSTVQQMZ
 #FTVSFUPDIFDL UIFXBUFSQSFTTVSF*GUIF
XBUFSQSFTTVSFJTMPXUIFXBUFS IFBUFSDBOOPU
perform to its full capability, and may become
a source of trouble for the client.
Drain piping
r&YQBOTJPOXBUFS NBZ ESPQ GSPN UIF QSFTTVSF
SFMJFGWBMWFBOEXFUUIFáPPS
 *GOFDFTTBSZQSPWJEFESBJOQJQJOHPSVTFB
ESBJOIPTFUPSFNPWFUIFXBUFS
Hot water piping
r%POPUVTF MFBE17$JSPOPSBOZ QJQJOHXIJDI
IBTCFFOUSFBUFEXJUIDISPNBUFT CPJMFSTFBMPS
other chemicals.
r5IFMPOHFSUIFQJQJOHUIF HSFBUFSUIFIFBUMPTT
5SZUPNBLFUIFQJQJOHBTTIPSUBTQPTTJCMF
r6TFNJYJOHWBMWFT XJUIMPXXBUFS SFTJTUBODF
6TFTIPXFSIFBETXJUIMPXQSFTTVSFMPTT
r*GOFDFTTBSZVTF B QVNQ PS PUIFS NFBOT UP
FOTVSFUIBUUIF TVQQMZ XBUFS QSFTTVSF UP UIF
JOMFUPGUIFIFBUFSEPFTOPU GBMMCFMPX14*XIFO
UIFNBYJNVNBNPVOUPGXBUFSJT���CFJOHEFNBOEFE
"MTPJOTUBMMBQSFTTVSFNFUFS POUIFJOMFU*G UIJTJT
OPUEPOFMPDBMCPJMJOHXJMM PDDVSJOTJEFUIFXBUFS
heater causing abnormal sounds and decreasing
UIFEVSBCJMJUZPGUIFIFBUFYDIBOHFS
Freeze Prevention
r'SFF[JOHJTQSFWFOUFEXJUIJOUIFEFWJDFBVUPNBUJDBMMZVOMFTTUIFPVUTJEFUFNQFSBUVSFXJUIPVUXJOE
JTCFMPX'$
*
When combustion air is supplied from the indoors, the room temperature must be greater than
'
$
UPQSFWFOUGSFF[JOHBOEUIFSPPNJOTJEFNVTUOPUIBWFOFHBUJWFQSFTTVSF
r*GUIJTNPEFMJTJOTUBMMFE JOBOBSFBXIFSFUIFPVUTJEFUFNQFSBUVSFDBOBQQSPBDIGSFF[JOHDPOEJUJPOT
PG'$PSCFMPXUIFOBEEJUJPOBM GSFF[FQSPUFDUJPONFBTVSFTNVTUCFVTFE'PS UFNQPSBSZ
GSFF[FQSPUFDUJPONFBTVSFTSFGFSUPUIF6TFBOE$BSF.BOVBM
r5IFGSFF[FQSFWFOUJPO IFBUFSTXJMMOPU QSFWFOUUIFQMVNCJOH FYUFSOBMUPUIF VOJUGSPNGSFF[JOH
1SPUFDUUIJTQMVNCJOHXJUIJOTVMBUJPOIFBUUBQFPSFMFDUSJDIFBUFSTTPMFOPJETPSQJQFDPWFST
r*OPSEFSGPSUIFGSFF[FQSFWFOUJPOIFBUFSTUPPQFSBUFUIFXBUFSIFBUFSNVTUIBWFQPXFSBUBMMUJNFT