Free Hot Water Freedom 5002, Installation, Operation And Maintenance Manual

Page: 51 / 59

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Page 51
Collector Array Isolation RETURN Valve
Valve is normally open during operation. It is closed to isolate the storage
tank should the storage tank need servicing or replacing. When closed
the circulating pump is isolated from the solar collector loop piping.
Never shut these valves while the circulating pump is in operation.
Collector Array Isolation SUPPLY Valve
Valve is normally open during operation. It is closed to isolate the storage
tank should the storage tank need servicing or replacing. When closed
the circulating pump is isolated from the solar collector loop piping.
Never shut these valves while the circulating pump is in operation.
Cold water supply line isolation ball valve - this valve is normally open
and allows potable water to fill the solar storage tank. when closed the
solar storage tankis isolated from the pressurized city cold water supply
line piping.
Isolation Valve 15A - page 12
Valve is normally open during operation. It is closed to isolate the storage
tank should the storage tank need servicing or replacing.
Isolation Valve 15C - page 12
Valve is normally open during operation. It is closed to isolate the storage
tank should the storage tank need servicing or replacing.
Isolation Valve - 15B - page 12
Valve is normally closed during operation. It is open to isolate the storage
tank and 15A and 15C is cloesed should the storage tank need servicing
or replacing.
FREEZE Instruction: A 50% concentration of propylene glycol and
distilled water can protect your solar system to temperatures as low as -
27° f. Lesser concentrations of glycol and distilled water will provide a
lower level of freeze protection. Please consult section your installation
manual for specific freeze tolerance information.