
27
Chapter 4 Initial Startup
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remote) cooling unit as a reference point. The process needs at least three people to work at
the same time. It is suggested keeping communication by handheld walkie talkie. The number
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the following procedures.
1
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the circuit.
2
Set all cooling units in the installation mode, and the two-way ball valves will automatically
fully open (100%).
3
Fully open the balance valve of the return water end and the branch balance valves at all
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4
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the balance valve cannot reach this value when fully opened, keep it at full opening, and
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5
Fully open the branch balance valve of Unit 1, adjust the balance valve of the return water
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once again its branch balance valve is kept fully open.
6
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7
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After adjustment, record the opening of the branch balance valve of Unit 3.
8
Repeat the procedures
6
a
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balance valves.
9
When all units are adjusted, record the opening of the balance valve of the return water
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10
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Содержание RowCool HCH1CD0
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