iStore - Installation Manual - Aug 2023
6
Electrical Connection:
The installation of the iStore must strictly follow the AS/NZS 3000 wiring rules and local wiring
regulations, ensuring that a licensed electrician deems the circuit suitable. Adequate overload
protection and a residual current device of appropriate size should be installed. Opeak and
controlled load circuits are acceptable as long as there is a manual override option for maintenance
and support during business hours.
500kPa Pressure Reduction Valve:
Pressure Reduction Valve (PRV 500) - A pressure reduction valve of 500kPa maximum must be tted
immediately downstream of the cold water non-return isolation valve. Failure to install a pressure
reduction valve will void the warranty. Please note cold water supply line to the tempering valve must
be run after the PRV to ensure equal supply pressure to the tempering valve. This valve is not required
shall a 500kPa PRV be installed at the water main supply to the property.
Note: In SA, WA & QLD (and some other areas of other states subject to local authority regulations) it is a requirement that
an expansion control valve be tted between the non-return isolating valve and the water heater.
iStore Basics
How it works
1. A fan draws in air, containing heat energy,
across the evaporator.
2. The evaporator turns the liquid refrigerant
into a gas.
3. The compressor pressurises the refrigerant
into a hot gas.
4. The hot gas inside the condenser coil heats
the water inside the coil-wrapped tank.
5. The refrigerant reverts back to a liquid after
heating the water and continues to the
evaporator for the process to start again.
6. The cycle continues until the set target
temperature is achieved.
As water is used in the home, the cycle will
restart once the temperature in the
lower section of the tank has dropped
11 degrees below the target temperature.
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