
17
Chapter 3 Installation
3.7 External Piping
(Bypass)
PI
03
PI
02
TI
01
TI
02
PI
01
Inlet
Outlet
(Precision
Cooling Unit)
1
2
3
4
5
6
7
(Figure 3-13: Suggested external piping)
No.
Description
No.
Description
1
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5
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2
Thermometer
6
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3
Ball valve
7
Balance valve
4
Pressure meter
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1
at the water inlet end as shown
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5
in the water inlet pipe to
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3
in front of or
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close the ball valve to let the chilled water go to the cooling unit via the branch so as to avoid
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4
6
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7
at the return water end for adjusting the return
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y
Pipeline washing
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chemical substances. For pipeline washing, use a hose to create a short circuit to make
the chilled water go directly from the inlet end to the return end without passing through the
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Содержание RowCool HCH1CD0
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