User Manual HP M3 r3 DN (1) rev2019/03
Page 11
Local Standards
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 National 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 conflict, the local regulations shall
prevail.
Safety
Do not commence any aspect of this installation until you have satisfied yourself that all safety
issues have been addressed.
This installation should only be performed by an approved professional with suitable
experience and licenses, authorised by Southern Cross Water Heating Pty Ltd Group
Australia 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 unfiltered 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 fitted to the water supply.
A breach of this condition may void the warranty in the event of damage caused by
water quality exceeding these characteristics.