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< 4. OPERATION >
4-5
IM 12A0V2-E
4.5
ST401G-PF6
-
¨
-A
/AZC
¨
,
ST401G-PF7
-
¨
-A
/AZC
¨
,
ST401G-PF8
-
¨
-A
/AZC
¨
Open ball valve (BV1) completely, (BV3) closed. Adjust ball valve (BV2, BV4) and needle valve
(NV1) and make the flow rate into pH flow-though type holder between 3 and 10 L/min and into
free available chlorine detector between 0.1 and 2.5 L/min.
(BV3) is used for manual zero adjustment and washing. To stabilize the zero filter with water,
refer to Section 6.1.7 of IM 12F5A1-01E or Section 3.8 of IM 12F05B10-02EN.
Refer to Figure 4.5 for piping.
BV3
PR1
BV1
X
Drain
X
=
X
SV1
F1
NC
COM
NO
BV2
=
=
=
=
=
=
=
(VP40)
FCC
FCD
PVC tray
NV1
=
=
PHS
UCL
PHC
(VP16)
Measuring
water
PHH
BV4
TK1
=
VP40 pipe
pipe
VP16
X
Ø22 / Ø15 soft tube with net
Ø6 / Ø4 Polyethylene tube
<Tubing materials>
Ø12 / Ø9 Polyethylene tube
BV1,2,3,4 : Ball valve
PR1
: Pressure-reducing valve
FCC
: Free available chlorine converter
FCD
: Free available chlorine detector
NV1
: Needle valve
F1
: Activated charcoal filter
SV1
: 3-way solenoid valve
PHC
: pH converter
PHH
: Flow-through type holder
PHS
: pH sensor
TK1
: KCl tank
ULC
: Ultrasonic oscillator (Suffix code: -U)
*1: When -PF7 or -PF8 is specified, SV1
displayed as S3 on the converter screen.
*2: When -PF8 is specified, the free available
chlorine detector and the pH sensor are
connected to one converter.
(*2)
(*2)
Figure 4.5
Piping diagram of ST401G-PF6-
¨
-A/AZC
¨
, ST401G-PF7-
¨
-A/AZC
¨
(With free available chlorine analyzer and pH converter, (ultrasonic oscillator), auto zero
calibration),
ST401G-PF8-
¨
-A/AZC
¨
(With free available chlorine analyzer and pH analyzer, (ultrasonic oscillator), auto zero
calibration)
Summary of Contents for ST401G
Page 1: ...User s Manual Model ST401G Sampling System IM 12A0V2 E IM 12A0V2 E 8th Edition ...
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