rev. 01/09/21
Page 9 of 20
Local Standards
The installation shall conform to the Plumbing Code of Australia (PCA). The following standards and regulations must be taken into account when
planning the installation of the Enviroheat water heater system.
• AS/NZS 3500.4.2 Notational plumbing and drainage code hot water supply systems – acceptable solutions.
• HB 263-2004 heated water systems plumbing industry commission.
• AS/NZS 3000 Electrical installations (known as the Australian/New Zealand Wiring Rules).
• Any local regulations that govern this type of installation.
• In frost prone areas
Where these instructions and any local regulations are in confl ict, the local regulations shall prevail.
Safety
Do not commence any aspect of this installation until you have satisfi ed yourself that all safety issues have been addressed.
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WARNING
THIS APPLIANCE MAY DELIVER WATER AT HIGH TEMPERATURE. REFER TO THE PLUMBING
CODE OF AUSTRALIA (PCA), LOCAL REQUIREMENTS AND INSTALLATION INSTRUCTIONS TO DETERMINE IF
ADDITIONAL DELIVERY TEMPERATURE CONTROL IS REQUIRED
This installation should only be performed by an approved professional with suitable experience and licenses, authorised
by Southern Cross Water Heating Pty Ltd to conduct the work.
It is imperative that installers adhere to Occupational Health and Safety Guidelines at all times. The installer is responsible for their safety and the
safety of those around them.
Water Quality
Water supply from an unfi ltered water source that may be highly conductive or have a high mineral content may void the system warranty.
Therefore, to ensure water quality guidelines are met, the following characteristics should not be exceeded.
Water Properties
Acceptable Levels
Total hardness
200 mg/litre or ppm
Total Dissolved Solids (TDS)
600 mg/litre or ppm
Chloride
250 mg/litre or ppm
Magnesium
10 mg/litre or ppm
Sodium
150 mg/litre or ppm
pH
Min 6.5 to Max 8 .5
Electrical conductivity
850 μS/cm
In areas of poor water quality, it is recommended that a softener, conditioner or similar device be fi tted to the water supply.
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WARNING
A breach of this condition may void the warranty in the event of damage caused by water quality exceeding these
characteristics.
Supplementary Heat Sources
If a supplementary heat source is connected to the storage tank, the maximum energy input cannot be more than 10 kW, including the electrical
element. Where greater input is required, a pressure and temperature relief valve with a higher kW rating is to be fi tted to the storage tank
.
Where stove coils are used for supplementary heating the water must be connected in an open vented manner. Refer to Australian Standard AS3500
for more details on acceptable connection solutions.
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