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VT_user manual-eng / rev.04                                                                                                                                                                  Page 1 – April 2015 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Chilled water buffer vessels 

 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 

USER AND MAINTENANCE  

MANUAL 

Cooke Industries - Phone: +64-9-579 2185  Fax: +64-9-579 2181  Email: [email protected]  Web: www.cookeindustries.co.nz

Summary of Contents for VT-G

Page 1: ... T T G G G V V VT T T Z Z Z V V VT T T X X X V V VT T TS S S V V VT T TP P P Chilled water buffer vessels USER AND MAINTENANCE MANUAL Cooke Industries Phone 64 9 579 2185 Fax 64 9 579 2181 Email sales cookeindustries co nz Web www cookeindustries co nz ...

Page 2: ...Outlet T Thermometer SD Sensor SF Vent S Drain Dimensions VERTICAL OPEN BUFFER VESSELS VERTICAL BUFFER VESSELS WITH PERFRORATED CENTRAL DIVIDER PLATE VERTICAL BUFFER VESSELS WITH MULTIPLE FLOW DIVIDERS VT G VT Z VT X 30 mm hard foam PU insulation 100 1000 l VT G VT Z VT X 20 mm closed cell elastomer insulation 1500 5000 l VT S 20 mm closed cell elastomer insulation 300 2000 l VT P 20 mm closed cel...

Page 3: ...move contaminants Thermal insulation against condensation HARD FOAM POLYURETHANE Hard foam polyurethane injected Made of hard foam polyurethane 30mm thick density of 40 to 42 kg m3 average conductivity of 0 024 W mK CFC and HCFC free Closed cell elastomer foam Made of closed cell elastomer foam sheets 20mm thick density of 30 kg m3 average conductivity of 0 034 W mK CFC and HCFC free Insulation Ta...

Page 4: ...PLE Closed circuit plant with chilled water storage tank installed on return Description A1 Heat pump air conditioner split system A2 Heat pump air conditioner monoblock B External unit C Fan coil unit D Pump E Expansion vessel F Storage tank Installation in a double circuit plant Cooke Industries Phone 64 9 579 2185 Fax 64 9 579 2181 Email sales cookeindustries co nz Web www cookeindustries co nz...

Page 5: ... in order to perform future maintenance verify that the room where the tank is placed has openings of a size to allow the free passage of the vessel in case it s necessary to bring it out in order to avoid any demolition 1 3 START The connection diagram shown in this document is purely indicative and not binding it s up to the designer of the system to give the best connection scheme for the requi...

Page 6: ...lcohol is not recommended 3 DEFECTS AND FAILURES PROBLEM CAUSE SOLUTION Excessive pressure inside the tank Expansion vessel lack or malfunctioning The pressure of the expansion vessel air cushion is not enough Verify that the system is equipped with an expansion vessel If the expansion vessel is present check that the precharge pressure is set correctly it must be restored to the initial valued sl...

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