Specifications

1BHFt%3*45&&.454)VNJEJGJFS
454QJQJOH%*30XBUFSPQUJPO
POFIFBUFYDIBOHFS
Figure 14-1:
Field piping overview for STS models 25, 50, 100, 200, and 400 with DI/RO water option
"JSWFOUUVCF
%/NJOJNVN
condensate drain piping rated
GPS¡'¡$
Strainer
6OJPOTCZJOTUBMMFS
Steam outlet
*OTUBMMMFWFM
*OTUBMMMFWFM
0WFSnPX
line
Trap
*GSVOJTPWFShN
JODSFBTFQJQFUP%/
8BUFSTFBMMJOF.645
CFCFMPXESBJOWBMWFUP
ensure humidifier drains
correctly
NNBJSHBQ
0QFOnPPSESBJO
4FFmSTUOPUFCFMPX
%SBJOTLJNPWFSnPXQJQJOH
SBUFEGPS¡'¡$
TFFTJ[FTJO5BCMF
%$

NN
minimum
Notes:
t 0GGTFUIVNJEJmFSGSPNnPPSESBJOUPQSFWFOUnBTITUFBNGSPNSJTJOHJOUPUIFIVNJEJmFS
t -PDBUFBJSHBQPOMZJOTQBDFTXJUIBEFRVBUFUFNQFSBUVSFBOEBJSNPWFNFOUUPBCTPSCnBTITUFBNPUIFSXJTFDPOEFOTBUJPONBZ
GPSNPOOFBSCZTVSGBDFT3FGFSUPHPWFSOJOHDPEFTGPSESBJOQJQFTJ[FBOENBYJNVNEJTDIBSHFXBUFSUFNQFSBUVSF
t 8BUFSTVQQMZJOMFUJTNPSFUIBONNBCPWFTLJNPWFSnPXQPSUFMJNJOBUJOHUIFQPTTJCJMJUZPGCBDLnPXPSTJQIPOJOHGSPNUBOL
/PBEEJUJPOBMCBDLnPXQSFWFOUJPOJTSFRVJSFEIPXFWFSHPWFSOJOHDPEFTQSFWBJM
t %BNBHFDBVTFECZDIMPSJEFDPSSPTJPOJTOPUDPWFSFECZZPVS%3*45&&.XBSSBOUZ
t %BTIFEMJOFTJOEJDBUFQSPWJEFECZJOTUBMMFS
7BDVVNCSFBLFS
CZJOTUBMMFS
Condensate return
to nonpressurized
TZTUFNCZHSBWJUZ
only

NN
minimum
drop to
trap
*GXBUFSQJQJOHUPIVNJEJmFSJTOPONFUBMMJDXFSFDPNNFOE
BNNNFUBMMJDXBUFSTFBMPSMPPQJOUIFTVQQMZMJOF
to isolate steam during maintenance
8BUFSTVQQMZMJOFTFF5BCMF
XBUFSQSFTTVSFSBOHFUPQTJUPL1B
mSTUhNPGTVQQMZMJOFNVTUCFSBUFEGPS¡'¡$
)TFF5BCMF

From
steam
source
)TFF
5BCMF

1JUDIGU
UPXBSEESBJO
QJQFUISFBE%/EJTQFSTJPO
unit condensate return inlet*
ND@@EJ
.BOVBM445ESBJOWBMWFFMFDUSJDESBJOWBMWF
BWBJMBCMFGPSFOEPGTFBTPOESBJOPQUJPO
Table 14-1:
Heights required to overcome humidifier internal pressure (H1, H2)
Unit output
Water seal height (H1) Air vent height (H2)
All STS models
STS models
25, 50, 100, 200, 400 800
MCTIS LHI inches mm inches mm inches mm
 62     ——
 o     ——
       
ND@@
* Condensate return piping is
OPUOFFEFEGPS6MUSBTPSC
®
.PEFM97EJTQFSTJPOVOJU
which returns pressurized
DPOEFOTBUFUPUIFCPJMFS
4FFUIF6MUSBTPSC.PEFM
97*OTUBMMBUJPO(VJEF
for condensate piping
SFRVJSFNFOUT
Optional condensate
return piping from
nonpressurized steam
dispersion unit*