Caleffi solar 252212HP Installation, Commissioning And Servicing Instructions Download Page 7 | Manualshive

Page: 7 / 12

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Solar system

MAINS

SUPPLY

System without recirculation

System with recirculation

MAINS

SUPPLY

MAINS

SUPPLY

HOT WATER

STORAGE

HEATER

HOT WATER

STORAGE

HEATER

SOLAR

HOT WATER

STORAGE

7

Application diagrams

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Summary of Contents for 252212HP

Page 1: ...meet the requirements of AS 4032 2 2005 Tempering valves and end ofline temperature actuated devices This particular series of tempering valves has been developed primarily for installation in solar h...

Page 2: ...erature 55 C Maximum hot inlet temperature 100 C Maximum working pressure static 1400 kPa Maximum working pressure dynamic 500 kPa Minimum working pressure dynamic 20 kPa Maximum unbalanced dynamic su...

Page 3: ...water entering the valve If there are variations of temperature or pressure at the inlets the internal element automatically reacts attempting to restore the original temperature setting Thermal shut...

Page 4: ...er heater In order to maintain the set temperature the tempering valve must have a minimum flow rate of 4 l min When used in instantaneous hot water systems the most stable conditions are achieved wit...

Page 5: ...5 8 7 4 1 2 6 9 1 CAP 3 4 7 9 8 5 6 3 2 VALVE BODY UNION NUT GASKET INSERT CHECK VALVE TAIL PIECE BODY INSERT STRAINER TEMPERATURE ADJUSTMENT SPINDLE LOCKING NUT Exploded diagram KIT A 5...

Page 6: ...The hot and cold water supplies must be connected to the valve strictly in accordance with the indications on the body of the valve The inlets of the valves are clearly marked with the letter H Hot an...

Page 7: ...lar system MAINS SUPPLY System without recirculation System with recirculation MAINS SUPPLY MAINS SUPPLY HOT WATER STORAGE HEATER HOT WATER STORAGE HEATER SOLAR HOT WATER STORAGE 7 Application diagram...

Page 8: ...commissioned The temperature setting can be adjusted by removing the cap and rotating temperature adjustment spindle We suggest that the following sequence is followed when commissioning the valve a...

Page 9: ...9 1 2 3 4 Temperature adjustment Remove the cap Direction of temperature adjustment Temperature adjustment Lock adjustment spindle with locking nut...

Page 10: ...should be removed for cleaning by unscrewing the inlet union nuts and carefully pulling apart the connecting pipework B The built in check valves 7 can be accessed in a similar way to A Ensure freedom...

Page 11: ...Starvation of the water supplies at the inlets of the valve c Incorrect commissioning of the valve a Insufficient water supplies b Fluctuations in supply pressures temperatures c Adverse effect create...

Page 12: ...highly aggressive water in accordance with the current legislation treat the water before it enters the tempering valve This will avoid damage to the valve If the tempering valve is not installed comm...

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