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P a g e
WATER CONNECTIONS FOR STORAGE VESSEL
Please ensure all plumbing installation work is carried out in accordance with
AS3500 and that a non-return valve is installed in the incoming water line.
Maximum inlet pressure 700kPa, minimum inlet pressure 350 kPa.
A pressure relief valve must be fitted in accordance with AS 3500, rating 850kPa
10kW. A discharge pipe must be connected to the device and be installed in a
continuously downward direction and in a frost-free environment and the end must
be left open to atmosphere.
DANGER
Failure to operate the relief valve easing gear at least once every six months may
result in the water heater exploding. Water may drip from the discharge pipe but
continuous leakage from the valve may indicate a problem with the water heater,
please have your water heater serviced by a qualified person.
If the water supply pressure exceeds the rated pressure, a pressure reducing valve is
to be fitted in the installation.
The water may drip from the discharge pipe of the pressure-relief device and that
this pipe must be left open to the atmosphere;
The pressure-relief device is to be operated regularly to remove lime deposits and
to verify that it is not blocked;
The water heater can be drained by disconnecting the water inlet.
Symbol Glossary
Symbols Used
Refer to the operating
instructions
Caution, risk of danger
Protective conductor
terminal
Caution, risk of electric
shock
Positive conductor
Negative conductor
