iStore Installation Manual

Important Information

• This manual includes all the necessary information regarding the installation and maintenance of this product. Please take the time to read it through before operating.
• When installing the hot water cylinder, please follow the instructions as documented in this manual.
• Once the installation is complete, check that all connections are secure and the unit is full before the power is turned On.
• The Installer is to explain to the end user how to operate and maintain the unit in accordance to this Installation Manual.
• iStore will not be held responsible for any damages or injuries caused by the incorrect installation of this hot water system.
• It is important that the installation and operational instructions laid out in this manual are strictly adhered to.
• A maintenance programme must be carried out as recommended in this manual. Failure to comply with these recommendations may void the warranty.
• This manual could be subject to change without prior notice, if it is felt that product improvements are to be carried out.

Please note that this manual is subject to change. To ensure you have the latest version, please visit our website at https://heatpumps.istore.net.au/downloads/. Ensure you know your model when referring to the website.

Note your serial number and model here:

Serial: _________________________ Model: _________________________

Safety Precautions

To prevent personal injury and avoid causing damage to the unit, please take the time to read the information documented in this manual.

Icon Meanings

INSTALLATION WARNING

• ❗ The iStore shall be installed in strict accordance with local wiring regulations and equipped with a power supply containing a ground/earth conductor.
• ❗ The iStore is not intended for use by children, or persons with reduced physical sensory or mental capabilities, lacking relevant skill or experience, without suitable supervision.
• ❗ The iStore must be installed by a licensed trade person and in accordance with:
  • This Installation manual
  • AS/NZS 3500.4 - "National Plumbing and Drainage Code Hot Water Supply Systems-Acceptable Solutions"
  • AS/NZS 3000 - Wiring Rules
  • Local authority regulations / EPA guidelines
  • BCA - Building Codes of Australia
  • All local Occupational Health and Safety (OH&S) Regulations
• ❗ Before installation, check the unit for any damage
• ❗ Please ensure that the unit and power connections have a good earth. Failure to do this may cause an electrical shock
• ? Do not drill any holes or screws into the outer casing. Drilling of any holes will void the warranty

Appliance Specific Warnings

• ⚠️ This appliance uses R290 (Propane) refrigerant, which is a flammable gas class 3 according to AS1677 and must be handled by a refrigeration mechanic with an appropriate Australian handling license.
• ⚠️ WARNING: Risk of fire/flammable material. If the refrigerant is leaked together with an external ignition source, there is a possibility of ignition.
• ❗ Ensure that the position of the unit is level and in accordance with AS/NZ 3500.4
• ? The unit CANNOT be installed near flammable gas, naked flames or exposed electric heaters

INSTALLATION WARNING

• ❗ Do not put fingers or any other objects into the fans. Children should be kept clear of this appliance
• ❗ In the event the iStore has a major malfunction, please shut the power off and contact your iStore Installer or iStore directly

RE-LOCATION OR REPAIR

• ❗ If the iStore needs to be relocated, reinstalled or repaired, only use an authorised dealer or qualified persons
• ? It is prohibited for the end user to repair the unit themselves, unless qualified. Failure to do so may lead to serious injury, damage to the unit, and void the warranty.

CLEANING WARNING

• ❗ Under no circumstances should water be sprayed directly into the unit when cleaning. Only external surfaces to be cleaned with a soft rag by non-qualified persons.

Functionality WARNING

• ❗ DANGER - High Temperature

HOT WATER CAN CAUSE SERIOUS INJURY

⚠️ WARNING - Hot water is dangerous! As a safety precaution, young children should always be supervised around hot water fixtures.

THIS WATER HEATER IS ONLY INTENDED TO BE OPERATED BY PERSONS WHO HAVE THE EXPERIENCE OR THE KNOWLEDGE AND THE CAPABILITIES TO DO SO. THIS WATER HEATER IS NOT INTENDED TO BE OPERATED BY PERSONS WITH REDUCED PHYSICAL, SENSORY OR MENTAL CAPABILITIES, I.E. THE INFIRM AND CHILDREN.

As solar water heaters can generate water temperature in excess of 50°C, regulations require that an approved solar rated tempering valve shall be installed in accordance with the valve manufacturer's instructions. This is required to prevent water temperatures supplied to the house exceeding a preset safe maximum. The tempering valve is connected to the hot water outlet lines. The valve must be fitted by an authorised plumber at the time of installation or in retrofitting to existing systems.

CHECK THE WATER TEMPERATURE BEFORE USE, SUCH AS WHEN ENTERING A SHOWER OR FILLING A BATH OR BASIN, TO ENSURE IT SUITABLE FOR THE APPLICATION AND WILL NOT CAUSE SCALD INJURY.

Hot water systems can store water at temperatures that can cause scalding. Water temperatures over 50°C can scald and care needs to be taken to ensure that injuries do not occur through incorrect use of your water heater.

If the water heater is left unused for two weeks or more, a small quantity of hydrogen gas (which is HIGHLY flammable) may accumulate in the top water cylinder. To dissipate this gas safely it is recommended that a sink or bath hot tap be turned on to dispel a couple of litres of water. During this procedure there should be no smoking, open flames or any electrical appliances such as washing machines or dish washers operating nearby. If Hydrogen is discharged through the tap, it will make a sound like air escaping.

GENERAL SAFETY INSTRUCTIONS

The installation of the iStore solar hot water systems requires the expertise of a licensed professional. The installation process must adhere to the guidelines set forth in the National Plumbing code (AS/NZS 3500.4), Australian Electrical Wiring Rules (AS/NZS 3000), as well as all applicable local plumbing and electrical regulations.

The electrically operated components of this water heater operate on 240v AC power. The removal or attempted alteration of any electrical component must be conducted by a qualified electrical service person.

Care should be taken to avoid coming into contact with any pipe work or fixtures associated with the water heater. For continued safety of this appliance, it must be installed, operated and maintained in accordance with the manufacturers instructions.

⚠️ This appliance uses R290 (Propane) refrigerant, a flammable gas class 3 according to AS1677. WARNING: Risk of fire/flammable material. If the refrigerant is leaking together with an external ignition source there is a possibility of ignition.

Compliance with AS/NZS 5601 must be observed during storage. If a refrigerant leak is detected, switch the unit off at the mains and contact your iStore service agent. End of life recycling: The refrigerant must not enter the atmosphere and can only be removed by a qualified technician.

Pre-installation checklist

Circuit Selection

• Avoid installing the iStore onto a Controlled Load / Offpeak circuit unless the circuit provides for manual activation of the circuit – no service can be provided without business hours power supply.

Cable Connection

• This unit requires an isolating switch as required by local by laws
• If the power cord is damaged, it must be replaced by a qualified electrician
• Local codes including but not limited to AS/NZS 3000 must be adhered to for all electrical work and be undertaken by a licenced electrician. The licensed electrician deems the circuit is suitable.
• Adequate overload protection and a residual current device of appropriate size should be installed.
• If the iStore is rated below 10amps and is fitted with a 3 pin plug the electrician may remove the plug if required without effecting the warranty.
• Allow 1m of free cable outside the iStore to avoid noise transfer to the wall and facilitate ease of servicing.

Tank Location

• Place tank on level surface and in accordance with building and plumbing codes.
• To avoid noise transfer:
  • Do NOT have the iStore touching the wall, 50mm clearance minimum is required.
  • Do NOT have solid electrical conduit attached to the iStore - leave 1m of free coiled flex cable.
  • Do NOT leave pipework loose.
  • Consider tank location to reduce any nuisance noise complaints (eg positioning near bedrooms or neighbours' bedrooms)
  • Avoid positions where leaf litter and soil can build up in and around the unit.
  • Avoid positions where excessive pollen may be sucked into the unit.
  • Ensure the minimum space between the unit and walls and objects are per specifications illustrated in Diagram 1a/2a and Diagram 1b/2b.
  • Unit shall be located as close as possible to the most frequently used hot water outlet.

Seismic Restraints

• Where required the unit must be braced with seismic restraints according to local standards
• Only applicable in earth-quake zones

Air Flow

• The iStore requires a minimum of 120 cubic meters of natural ventilation to operate efficiently. An example would be an area of 8.0m x 6.3m x 2.4m (a large double garage or open space under a home).
• If suitable air flow or area cannot be provided then the performance may be reduced.
• External installation is the preferred method to capture the warm ambient air temperature. Air discharge will always be cold.
• If unit is being installed internally, provision for fresh air to be introduced shall be provided: 450 m3/h minimum requirement.

Installation

2.1 Installation space and positioning

Before installation, please ensure that you leave the space as shown below for maintenance.

Diagram 1a. Top View 270L

Diagram showing top view clearances for the 270L model. Key dimensions indicated are 50mm clearance on sides and rear, 640mm width, and 1000mm front clearance for air outlet, with air inlet at the front.

Diagram 2a. Top View 180L

Diagram showing top view clearances for the 180L model. Key dimensions indicated are 50mm clearance on sides and rear, 540mm width, and 1000mm front clearance for air outlet, with air inlet at the front.

Diagram 1b. Front View 270L

Diagram showing front view clearances for the 270L model. Key dimensions indicated are 500mm clearance on sides, 1000mm front clearance, and 500mm rear clearance.

Diagram 2b. Front View 180L

Diagram showing front view clearances for the 180L model. Key dimensions indicated are 500mm clearance on sides, 1000mm front clearance, and 500mm rear clearance.

NOTE – Restricting the air flow on the exhaust side of the iStore can severely affect the performance and longevity of the iStore. If the space is restricted then the iStore must be rotated as close to 45 degrees to the exhaust wall.

2.2 Dimensions 270L

Diagram illustrating the dimensions of the 270L iStore unit, with overall height of 2000mm and overall width of 640mm. Key connection points like HW outlet, HW condensation, Anode, PTR Valve, and Cold water inlet are indicated.

Top View Diameter: 685

2.2 Dimensions 180L

Diagram illustrating the dimensions of the 180L iStore unit, with overall height of 1957mm and overall width of 540mm. Key connection points are indicated.

Top View Diameter: 583

2.3 Performance Parameters

2.4 Transportation

• The unit MAY be laid flat during vehicle transportation for short METRO AREA DELIVERIES.
• The unit should NOT be laid flat during vehicle transportation over long distance as damage to compressor mountings and components may occur.
• Check the unit is free of transport damage upon receipt as this damage is not covered by warranty.

Transport Using a Forklift

When transported by a fork lift, the unit must remain mounted on the pallet. The lifting rate should be kept to a minimum. Due to its top-heaviness, the unit must be secured against tipping over. To prevent any damage, the unit must be placed on a level surface!

Manual Transport

For the manual transport, the wooden pallet can be used for bottom part. Using ropes or carrying straps, a second or third handling configuration is possible. With this type of handling, care must be taken that the max. Permissible inclination angle of 60 degrees is not exceeded. If transport in an inclined position cannot be avoided, the unit should be placed into operation one hour after it has been moved into final position.

⚠️ CAUTION: TOP HEAVY. HIGH CENTRE OF GRAVITY (Diagram shows unit tilted at 60 degrees).

⚠️ The iStore Heat Pump uses a flammable gas, therefore:

• The appliance should not be stored or transported in an area with an ignition source (e.g. open flame).
• Do not pierce or burn the appliance.
• Be aware of the refrigerant; it may not cause an odour.
• Compliance with AS/NZS 5601 must be observed while storing the appliance.

⚠️ National and state regulations exist for the storage, transportation and handling of hazardous goods including flammable gasses. The maximum number of and configuration of the equipment permitted to be transported or stored together will be determined by the appliance regulators.

2.5 Multi-System or Ring Main Configuration

NOTE - DO NOT MIX 270L & 180L

To maintain balance of systems, equal length cold inlet and hot outlets should be installed.

Multi System cold and hot supplies at one location

Diagram showing a multi-system setup where cold and hot water supplies are at the same location, with multiple iStore units connected in parallel. Includes labels for HOT WATER RETURN, WATER SUPPLY, HOT WATER SUPPLY TO BUILDING, and various valves (TD, CHV, PLV, ECV, IV).

Multi System cold and hot supplies at opposite ends

Diagram showing a multi-system setup where cold and hot water supplies are at opposite ends of the system, with multiple iStore units connected in parallel. Includes labels for HOT WATER RETURN, WATER SUPPLY, HOT WATER SUPPLY TO BUILDING, and various valves.

Installation

500kPa Pressure Reduction Valve

Pressure Reduction Valve (PRV 500) - A pressure reduction valve of 500kPa maximum must be fitted 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 fitted between the non-return isolating valve and the water heater.

Working Range

• Operating water pressure: 0.15 to 0.7MPa
• Ambient temperature: -5~43° C (compressor)
• Maximum temperature of water tank: 75°C
• Maximum inlet water pressure: 500kPa
• PTR Valve setting: 850kPa
• ECV Valve setting: 700kPa (if required)

Hot and Cold Water Connections

All plumbing connections must be performed by a licensed plumber in accordance with local authority regulations.

The cold water inlet connection to the storage tank is 3/4 FI. All pipes and valves must be insulated as per the current AS/NZ 3500.4 Section 8.2. The cold water inlet requires the following valve train (refer to system diagram page for correct installation):

• Approved isolating/non-return valve
• 500 kPa Pressure Reduction Valve (PRV) valve
• 700 kPa Expansion Control Valve (ECV)

The maximum inlet water pressure rating is 750kPa. Cold water supply pressures exceeding 500kPa require a 500kPa Pressure Reduction valve to be installed immediately downstream from the Duo valve. The hot water outlet from the tank is 3/4 inch FI. All hot water pipes must be insulated by UV stable & appropriately rated insulation.

Pressure Temperature Relief Valve (PTR)

An 850kPa, 10kW and 99°C PTR valve is used on the iStore water tank, which is located on the side of the water tank and is essential for its safe operation. The PTR valve is designed to allow 3-5% of total tank volume to discharge during heating to allow for hot water expansion. Water may drip from the discharge pipe of the pressure-relief valve. The discharge pipe must be left open to the atmosphere under all circumstances. The PTR Valve discharge pipe shall be installed downwards and with discharge pipes in a frost-free environment. Refer page 15 for how to connect. Seal the thread with approved sealant such as Teflon tape and screw the valve into the correct opening and leave the valve outlet pointing downwards. The discharge pipe diameter is permitted to be run in 15mm copper providing the length of discharge pipe does not exceed 9m.

❗ ATTENTION - It is important that you lift the lever on the PTR valve for a few seconds once every 6 months. It is important you release the lever gently so the valve seat is not damaged.

2.6 Installation Diagram - Left Hand Install

❗ UNDER NO CIRCUMSTANCES SHOULD ANY GROMMETS BE REMOVED FROM THE TANK PORTS

❗ ATTENTION: The PTR valve attached with the unit must be installed; failure to do so will cause damage to the unit, and possible personal injury. Do not use stainless steel fittings to connect directly with other metals to prevent galvanic corrosion.

Diagram showing a left-hand installation layout. Key components and connections include: Condensate Drain, Hot Water Outlet, Anode, HOT LINE TO HOUSE, Solar Tempering Valve, PTR 850kPa Pressure Temperature Relief, PRV 500kPa Pressure Reduction Valve, ECV 700kPa Expansion Control Valve (If required), COLD WATER INLET, 15mm Brass Tee Piece, Duo/NRI valve, RIGHT SIDE TANK.

Important Note regarding condensate drain: Under no circumstances shall the condensate drain line and PTR/ECV discharge line be coupled together into a single common line. Condensate drain shall discharge to an approved discharge point.

Important Information

• The specification of the water inlet and outlet thread is RBSP3/4 (internal thread).
• The specification of the PTR valve connecting thread is RBSP3/4 (internal thread).
• The specification of the anode and the drain port is GBSP3/4 (internal thread).
• R290 condensate port connection thread is BSP3/4 (external thread).
• 270-LD/270-FL02/180-NM condensate port connection thread is BSP1/2 (internal thread).
• To reduce the risk of blockage from dirt, debris, and pests it is recommended not to reduce the condensate water pipes where possible.
• Condensate drain shall discharge to an approved discharge point.

Filling and Commissioning the iStore Hot Water System

1. Turn on the cold water supply to the tank and open a hot water tap (preferably laundry tap without filter as existing sediment may partially block pre-existing water saving devices). Do NOT bleed the tank via the PTR.
2. Leave the house tap open until all air is bled, then turn off hot water tap.
3. Only after bled via the house tap should the PTR Valve (Pressure relief valve) be activated to ensure system is fully bled of all air.
4. Once the system is fully pressurised with water, thoroughly check all fittings, connections and pipework for water leaks.

Installation

Inspection Before Trial Running

• Make sure the unit is full of water
• Check the water supply to the tank and pipe connections for possible leaks
• Check that all power connections are secure before switching on

Trial Running

• Switch on the unit from the LCD
• In the case of any unusual noise, switch the power off and consult your iStore technician
• The parameters have been preset to a temperature of 60 degrees

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 12 degrees below the target temperature.

Diagram showing the iStore unit with numbered components (1-6) and indicating Hot water to house and Cold water inlet.

Safety Features and general information

Smart Screen Lock

Important – If the iStore display does not detect activity for 60 seconds the screen will enter sleep mode which requires a simple palm press AND RELEASE on the LCD to reactivate it. After a further 2 minutes of inactivity the screen will lock to prevent unwanted changes.

Start up delay protection

If the unit stops and you restart the unit or turn it on by the manual switch, the unit will not start to run again for approx. 3 minutes. This is a protection feature to safeguard the compressor.

Defrost mode

In the heating mode the unit will defrost automatically, maximizing the heating efficiency (Lasting 2 - 10 minutes). The fan motor will stop running whilst the unit is defrosting.

NOTE: a fog or mist may occur during the defrost cycle during cold weather.

Working conditions

In order to use the unit correctly, please operate the unit at ambient temperature of -7° ~ 50° Celsius.

Thermal cut-off safety device

If the water temperature reaches 85° C, the power of unit will be cut off (refer to manual to reset).

Condensation

During normal operation, condensation occurs from the transfer of air across the evaporator coil. This process is drawing humidity from the air and creates condensation/water droplets on the coils, which in turn is captured in the fully moulded condensate tray and discharged through the condensate drain line. In locations with humidity greater than 80%, up to 5 litres per day can be expected under normal operating conditions.

Functionality

4.1 The Function Diagram Of The LED Display

Diagram illustrating the iStore LED display, divided into Auxiliary display area and Main display area, showing various icons and numerical readouts.

Function of keys

Find the LCD function video tutorials on our website: https://heatpumps.istore.net.au/lcd-setup-tutorials/

Status Icons and Meanings

The general operation of the iStore is that when the bottom of the tank temperature, the top left number, falls more than 12 degrees below the target temperature, the iStore will commence heating and heat the full tank to the target temperature.

Once achieved, the ? shower symbol will appear on the left side of the LCD. The large centre number is the temperature towards the top of the tank, please remember that hot water rises and is drawn from the top of the tank to be delivered to the house for use.

Note - If the padlock symbol ? is displayed that the screen will display all values but cannot be changed.

The power button ? in the bottom left of the LCD can operate in 3 ways:

• A 6 second hold will lock or unlock the LCD screen.
• A 2 second press and release will turn the iStore On or Off.
• A short tap will exit whichever function you are changing.

4.2 The LCD Lock/Unlock function

Important – If the iStore display does not detect activity for 60 seconds the screen will enter sleep mode which requires a simple palm press AND RELEASE on the LCD to reactivate it. After a further 2 minutes of inactivity the screen will lock to prevent unwanted changes.

Diagrams showing the LCD screen in 'Locked' and 'Unlocked' states. To unlock, press and hold the power button for 6 seconds.

Find the LCD function video tutorials on our website: https://heatpumps.istore.net.au/lcd-setup-tutorials/

4.3 Turn ON/OFF the unit

Press ? and hold for 0.5s and the LED display will turn on the unit and at this time the main display area shows the water outlet temperature. Press ? and hold for 0.5s in the running interface and the LED display will turn off the unit and at this time the main display area shows OFF.

Diagrams illustrating the display when turning the unit ON/OFF, showing Eco Mode, temperatures, and time.

Mode selection

The Federal Government Clean Energy Regulator specifies how the iStore compressor hot water systems must operate in Australia and as such how the computer control operates.

Economic Heating Mode

For Australian conditions ECO mode monitors the surrounding temperature, incoming water and outgoing water, heat transfer capabilities and adjusts its operation to suit.

Electric Element Booster Mode

The electric element will heat the water to the pre-set temperature and turn off once this is reached. The electric element booster mode is classified as a one-shot boost and will automatically turn off once the target temperature is reached.

Diagrams showing the display for Eco Heating Mode and Electric Booster mode.

Find the LCD function video tutorials on our website: https://heatpumps.istore.net.au/lcd-setup-tutorials/

4.4 Setting the Time & Date

Example: Change the time and date from 18:30 on August 4th to 17:40 on September 8th.

Step-by-step instructions with diagrams showing how to set the time and date using the clock and up/down arrow buttons.

4.6 Timer Setting (Eco Mode)

NOTE: A timer is not mandatory for the iStore operation. Factors such as household demand, time of use, individual supplier peak and offpeak electricity rates, solar panel Feed In Tarrif rates all may influence what heating schedule best suits a household.

Step-by-step instructions with diagrams showing how to set ON 1 and OFF 1 timer periods using the clock and up/down arrow buttons.

Step-by-step instructions with diagrams showing how to set ON 2 and OFF 2 timer periods.

NOTE: IF A SECOND TIMER IS NOT REQUIRED ALLOW THE LCD TO TIME OUT AT THIS POINT

When the LCD returns to the default state the display will indicate whether 1 or 2 timers are set just above the digital clock, e.g.

Diagrams showing timer settings (1 timer, 2 timer).

EXAMPLE ONLY: Running period 1: 10:00 ~ 16:01; Running period 2: 00:00 ~ 03:01.

To review the timers press and hold the ? button, do not release, the LCD will display each of the four ON and OFF times in order. Release the button after review and let the LCD time out.

Diagrams showing the review of timer settings (Current time, ON1, OFF1, ON2, OFF2).

NOTE: Do not set the second timer to 00:00 ON and 00:00 OFF as the unit will commence heating at midnight every second night. To leave the second time off simply allow the timer setting to timeout after setting the first timer end time.

5.6 Cancelling the Timer Setting

Instructions with diagrams showing how to cancel the timer operation by tapping the power button.

Electric booster setting

The Federal Government Clean Energy Regulator states that the manual booster may only remain active for the single heat cycle until the target temperature is reached.

The Federal Government mandates a thermostat range of 12 degrees for the iStore; for the electric booster this is measured in the upper region of the tank displayed in the centre of the LCD. The heat cycle will not commence until the water in the upper region falls 12 degrees below the target temperature. Note if you engage the electric booster within the 12 degrees it will not operate.

The electric booster can be turned on when the unit is heating or standby. Press ⚡ once to turn on the electric booster and press ⚡ again to shut it off.

Diagrams showing the display for Electric booster ON and OFF states.

Anti-legionella Protection Cycle

To comply with the Australian storage hot water regulations, all manufacturers must comply with anti-legionnaires protection within their product. The iStore utilises the compressor heating system as the method to achieve compliance due to its high efficiency.

Further Assistance? Go to the FAQ

Need some further assistance? Then please review the extensive Frequently Asked Questions at https://heatpumps.istore.net.au/frequently-asked-questions

Home Owner Maintenance

Temperature and Pressure Relief valve PTV/PTR (all tanks)

The iStore Hot Water system is fitted with an 850kPa PTR Valve, which is located on the side of the cylinder and is essential for its safe operation. It is important that you operate the lever on the PTR valve for a few seconds once every 6 months. It is important you release the lever gently so the valve seat is not damaged.

Expansion Control Valve (ECV) (if applicable)

In some states and local councils, the installation of an Expansion Control Valve (commonly referred to as a cold-water expansion valve) is required to be installed. If this valve is fitted, follow the same procedure for PTR valve as explained above.

Condensation line

Regularly inspect the condensation line to ensure water is dripping freely for the line. If the condensate drain is blocked at the discharge end, clear any debris that may have collected in the line. During normal operation, condensation occurs from the transfer of air across the evaporator coil. This process is drawing humidity from the air and creates condensation/water droplets on the coils, which in turn is captured in the fully moulded condensate tray and discharged through the condensate drain line. In locations with humidity greater than 80%, up to 5 litres per day can be expected under normal operating conditions.

Obstructions

Regularly check that no obstructions are interfering with the air in-take or air discharge. If the unit is installed near shrubs or trees, keep them trimmed so they do not interfere with air flow.

Recommended iStore Servicing

2 Year Service

The recommended two-yearly service should be carried out by a licensed tradesperson. It is recommended that this service be carried out by your local iStore installer. The service should include the following:

1. Replace the anode (anodes should be replaced more frequently if subjected to hard water conditions, refer table in the warranty exclusions; iStore must be consulted regarding the replacement anode if not a genuine iStore anode). If the TDS is greater than 600PPM, the anode shall be inspected every year and replaced at intervals not greater than every 12 months.

5 Year Service

1. Replace the anode (anodes should be replaced more frequently if subjected to hard water conditions, refer table in the warranty exclusions; iStore must be consulted regarding the replacement anode if not a genuine iStore anode). If the TDS is greater than 600PPM, the anode shall be inspected every year and replaced at intervals not greater than every 12 months.
2. Replace the pressure & temperature relief valve (PTR Valve).
3. Flush the water heater.
4. Check and clean tempering valve filters and operation.

Maintenance and Repair

5.1 Typical Failure and Solutions

Maintenance of the system is very easy and includes the following tasks:

How to Drain the Water Heater

⚠️ Warning: Before commencing this procedure, ensure that building occupants are notified to stay clear of the iStore system components and building perimeter as steam or hot water may be discharged from pipes or components.

1. Turn off the electricity supply and tag out.
2. Close the cold water mains supply via the Isolation Valve.
3. Release pressure from the system by activating the PTR valve.
4. Locate drain port at the bottom of the tank and unscrew the plug.
5. The system will now drain all water.

Note: At this stage the water heater can be flushed by removing the hot water outlet connection and hosing out any debris that may be present.

Appendix

Use of the Overheating Protector

⚠️ Warning: only to be performed by licensed technicians.

The overheating protector is used to turn the power off, preventing the water from being heated too high. To return the unit to its normal operational status it will have to be reset manually by qualified personnel.

The thermal cut-out is pre-installed in the system, no on-site installation or commissioning is required. The recommended factory setting is 60° Celsius to prevent the thermal cut-out from operating. The thermal cut-out operation temperature is 85° Celsius.

Diagrams show how to loosen screws to open the cover and push the red button to reset the overheating protector.

Earthing

(Applicable where 3 pin plug is either not fitted or removed)

Diagram shows a screwdriver connecting to the earth wire.

Troubleshooting

Further Assistance? Go to the FAQ

Need some further assistance? Then please review the extensive Frequently Asked Questions at https://heatpumps.istore.net.au/frequently-asked-questions

Terms and Conditions of Warranty

For all warranty issues please call iStore on 1300 552 619 or info@istore.net.au

This Warranty is effective for all iStore Hot Water Systems manufactured and installed after 1st October 2022.

If the customer has not paid in full for the iStore Hot Water System then this Warranty does not apply.

iStore Hot Water System and its components are covered by a warranty against defective factory parts or workmanship from the date the iStore Hot Water System is installed for the relevant period for such component as outlined in Table 1 - Warranty Periods. If the date of installation is unknown, the Warranty commences one (1) Month after the date of manufacture.

This Warranty is for normal domestic use of the iStore Hot Water system only.

To the extent a claim falls under the "Parts Only” Warranty Period the Warranty covers the replacement only of such failed component in the iStore Hot Water System free of charge. Subject to an area within a 30-kilometre radius of the iStore Branch or Authorised Distributor from where the unit was purchased. Customers outside this area will be subject to any freight costs and any travelling charges incurred by the iStore representative carrying out the rectification. “Parts Only” Warranty period excludes labour.

To the extent a claim falls under the "Parts and Labour" Warranty Period, the Warranty covers the repair and/ or replacement of such failed component in the iStore Hot Water System and any associated labour costs free of charge. Subject to an area within a 30-kilometre radius of the iStore Branch or Authorised Distributor from where the unit was purchased. Customers outside this area will be subject to any freight costs and any travelling charges incurred by the iStore representative carrying out the rectification.

The decision to repair or replace the component the subject of the Warranty will be entirely at the discretion of iStore.

Where a iStore Hot Water System or a component thereto is repaired or replaced by iStore, the balance of any original Warranty Period will remain effective. The repaired or replaced part does not carry any additional warranty period.

Upon installation of the iStore Hot Water System, it is the consumer's responsibility to register their warranty on-line https://heatpumps.istore.net.au/warranty-registration. Consumer must provide the following detail - home owners detail, product model number, product installation date, product serial numbers, licensed plumber contact details. Once you have successfully completed the on-line registration form, you will be notified of successful warranty registration. If you do not have access to the internet, please contact iStore on 1300 552 619 to register your warranty. To be eligible to make a claim under this warranty, consumer must register their warranty within 6 weeks of the installation.

The iStore Hot Water System must be installed in accordance with iStore's installation instructions, and all relevant local, state and national statutory requirements, including but not limited to, AS3500,4 & 5, AS5601, AS3000, AS2712 and AS/NZS1677.

Installation must be completed by licensed plumbers and electricians that are licensed in the State or Territory in which the installation is completed. Installation must include all relevant valves as required by federal/ state regulations & shall incorporate a 500kPa Pressure Reduction Valve. Installation of a Pressure Limiting Valve does not comply with manufactures installation instructions. Failure to incorporate a 500kPa Pressure Reduction Valve will void this warranty.

The electrical system components must be installed in a domestic application and connected to a 240V power supply by a qualified electrician in accordance with AS3000.

iStore reserves the right to alter the design, components or construction to its iStore Hot Water System. Such alterations shall not constitute a defect in design or construction under this Warranty. Any claim under this Warranty must include full details of the defect and/or damage to the iStore System. All claims must be made within one (1) month of detection of the defect.

Dated proof of purchase is required prior to commencement of any work under this Warranty. This Warranty does not apply to any defects or damage NOT due to faulty factory parts or workmanship including, but not limited to, defects or damage caused by or resulting from: (a) accidental damage, storm damage, vandalism, failure due to misuse or abuse, or neglect of any kind; (b) incorrect or improper installation of the iStore Hot Water System, including but not limited to, installation otherwise than in accordance with the instructions contained in the installation manual supplied by iStore or incorrect system selection; (c) alteration or repair of the iStore Hot Water System other than by a licensed plumber/electrician/refrigeration mechanic or by an approved iStore agent; (d) attachment of any parts or accessories other than those manufactured or approved by iStore; (e) freezing in regions with minimum temperatures below -10°C; (f) the power supply to the iStore Hot Water System being cut; (g) power surges; (h) animals, birds and/or rodents; (i) excessive water pressure, negative pressure (partial vacuum), excessive temperature, corrosive atmosphere, faulty plumbing and/or electrical wiring; (j) sludge/sediment as a result of connection to a water supply from unfiltered or treated sources i.e. spring, dam, bore, river or town supply from a bore; (k) contamination and corrosion from particles in the water supply; (l) serial tags/stickers on any of the components being removed or defaced; (m) the iStore Hot Water System being relocated from its original point of installation; (n) the water stored in the cylinder exceeding at any time the following levels: (o) If penetrations are made through the tank skin by the installer, warranty will be void immediately; (p) Damage caused by transport; (q) if the system has been re-installed at a location other than the original location.

iStore does not warrant any work conducted by a third-party installer of the iStore Hot Water System.

This Warranty only applies to the iStore Hot Water System and its components and does not cover any plumbing or electrical associated parts, including but not limited to any parts supplied by any person installing the iStore Hot Water System.

To the extent permitted by law, iStore shall not be liable under this Warranty for any consequential loss or damage or any incidental expenses resulting from any breach of this warranty, including but not limited to, claims for damage to buildings, roofs, ceilings, walls, foundations, gardens, personal belonging or household effects, fixtures and fittings. Or any other consequential loss, damage or inconvenience, either directly or indirectly due to leakage from the iStore Hot Water System or any other matter related to the system or its operation.

The benefits conferred by this Warranty are in addition to all other rights and remedies in respect of the iStore Hot Water System, which the purchaser has under the Competition and Consumer Act 2010 and consumer protection legislation of the States and Territories. Nothing in this Warranty has the effect of excluding, restricting or modifying those rights.

Goods presented for repair may be replaced by refurbished goods of same type rather than being repaired. Refurbished parts may be used to repair/replace the goods.

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

iStore strongly recommends that the consumer update their household insurance policy.

Component Warranty Table

This warranty is effective for all iStore hot water systems manufactured and installed after 1st October 2022.

After Sales Service Guaranteed

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Supplier Name: __________________________________________________ Installation Date: _______________

Supplier Address:________________________________________________ Supplier Phone: _________________ _________________________________________________________________

System Model / Type: ___________________________________________