JOHNSON CONTROLS
148
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 7 – MAINTENANCE
LD27812
9IUVKUL9[VVR_
*U]TZUZNK)NORRKX
9ZKGS/TRKZ
6XKYY[XK-G[MK
9ZKGS9N[Z5LL
<GR\K5VZOUT
9ZKGS9N[Z5LL
3GT[GR<GR\K
*XGOT:XGV
9GLKZ_8KROKL
<GR\K
-KTKXGZUX
9ZKGS
*XGOT
*XGOT(GIQ6XKYY[XK
'JP[YZOTM<GR\K
)NKIQ<GR\K
*XGOT(GIQ6XKYY[XK
6XKYY[XK2UYYUL6OVOTM
N
.UZ]KRR:GTQ
9ZGTKX
狨狢d狩狢SKYN
9ZKGS.KGJKX
9ZKGS
N
9ZKGS*XGOT
)UTZXUR<GR\K
FIGURE 56 -
STEAM AND DRAIN SYSTEM FOR STEAM DRAIN CONTROL VALVE
TABLE 31 -
STEAM DRAIN QUALITY CONTROL
COMPONENT
STANDARD VALUE
PH
7.5 ~ 8.5
Cl
-
(ppm)
≤ 20
SO
4
2-
(ppm)
≤ 10
H
2
S (ppm)
nil
DO (ppm)
≤ 0.5
All carbonate (ppm)
≤ 20
