| System 5 |
3 Way mixing valve with primery pump
,Boiler |
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| Functions |
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| -Primery Circuits :variable flow,constant temperature |
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| -Secondary Circuits :constant flow,variable temperature |
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| -Local boiler systems |
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| Balancing |
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| 1-Close port A-AB of V and start pumps P1,P2 |
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| 2-Adjust STAD-S for design flow |
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| 3-Open port A-AB fully |
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| 4-Adjust STAD-G for design primery flow |
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| Return to control
valve selection |
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