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IMPORTANT INFORMATION
SAFETY DEVICES
For safe operation this water heater is fitted with a combination Pressure & Temperature Relief
(P&TR) Valve, a thermostat and an over-temperature cutout for each heating element.
• DO NOT tamper with or remove safety devices.
• DO NOT operate this water heater unless all safety devices are fitted and in working
WARNING
order.
• DO NOT block or seal the P&TR Valve and drain pipe.
ANODE
The water heater is fitted with a sacrificial anode to extend it's life. It will slowly dissipate whilst
protecting the cylinder. The life of the water heater may be extended by arranging for an authorised
person to inspect the anode and replace it if required. It is recommended that the anode be inspected
at least every 5 years.
WATER QUALITY
The water quality of most public supplies is suitable for the water heating system. The water quality
from bore wells is generally unsuitable for the water heating system. Refer to the 'Warranty
Conditions' for water quality parameters and how they affect the warranty conditions. If in doubt about
the water quality, have it checked against the parameters listed in the warranty conditions.
If sludge or foreign matter is present in the water supply, a suitable strainer filter should be
incorporated in the water supply to the system.
TURNING 'OFF' THE WATER HEATING SYSTEM
If you plan to be away for only a few nights, we suggest you leave the water heating system switched
on. If it is necessary to switch off the water heater, the switch is usually marked and located in the
electricity meter box of the dwelling.
TURNING 'ON' THE WATER HEATING SYSTEM
Switch on the electric supply to the heating element. The switch is usually marked and located in the
electricity meter box of the dwelling. Water heating will now occur as required. It may take a number
of hours before hot water is available.
HOW THE WATER HEATER WORKS
A vitreous enamel lined steel cylinder stores water which is heated by an electric heating element
located at the base of the cylinder. An automatic thermostat controls the water temperature. The water
heater connects directly to the mains water supply.
The heating element can be connected to a Continuous or Off-Peak electricity supply. The continuous
supply is appropriate when the water heater capacity is less than the daily usage of hot water. The
Off- Peak supply is appropriate when the water heater capacity exceeds the daily usage of hot water.
The Off-Peak supply allows heating only for set periods and a volume of water sufficient for daily
usage is heated during the set period and stored. The Off-Peak supply is usually cheaper. Electricity
supply types and tariffs vary according to the local electricity authority.
Rinnai Australia
- 5 -
HOTFLO Electric Storage Tanks Operating/Installation Manual
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