AquaMAX 971 Series Owner's Manual And Installation Instructions
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AquaMAX 971 Series Owner's Manual And Installation Instructions

Electric domestic water heater
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Owner's Guide
and
Installation Instructions
Electric Domestic
Water Heater
This water heater must be installed and serviced by a qualified person.
Please leave this guide with the householder.

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Summary of Contents for AquaMAX 971 Series

  • Page 1 Owner’s Guide Installation Instructions Electric Domestic Water Heater This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
  • Page 2 AQUAMAX AUSTRALIA PTY LIMITED, A.B.N. 37 138 189 689, www.aquamax.com.au For Service Telephone 131031 AUSTRALIA An electronic copy of these Owner’s Guide and Installation Instructions can be downloaded from aquamax.com.au. PATENTS This water heater may be protected by one or more patents or registered designs in the name of Rheem Australia Pty Ltd.

  • Page 3: Table Of Contents

    Aquamax warranty. We recommend you read pages 8 to 25, and the terms of the Aquamax warranty on pages 4 to 7. The other pages are intended for the installer but may be of interest.

  • Page 4: Warranty

    The decision of whether to repair or replace a faulty component is at Aquamax’s sole discretion. If you require a call out and we find that the fault is not covered by the Aquamax warranty, you are responsible for our standard call out charge. If you wish to have the relevant component repaired or replaced by Aquamax, that service will be at your cost.
  • Page 5 ELECTRIC WATER HEATERS 971, 9W1, 991, 992 SERIES 160-400 MODELS Where the water heater is installed outside the boundaries of a metropolitan area as defined by Aquamax or further than 25 km from either a regional Aquamax branch office or an Accredited Aquamax Service Agent's office, the cost of transport, insurance and travelling between the nearest branch office or Aquamax Accredited Service Agent’s office and the installed site shall be...
  • Page 6 WATER HEATER WARRANTY - AUSTRALIA ONLY ELECTRIC WATER HEATERS 971, 9W1, 991, 992 SERIES 160-400 MODELS Aquamax may reject a claim under this warranty in its sole discretion if a third party solar diverter is connected to the water heater.
  • Page 7 (from the rating label on the water heater). b) Aquamax will arrange for the water heater to be tested and assessed on- site. If Aquamax determines that you have a valid warranty claim, Aquamax will...

  • Page 8: Safety, Warnings, Installation Notes

    • If the electrical conduit to the water heater is damaged, it must be replaced by a qualified person in order to avoid a hazard. Phone Aquamax Service to arrange for an inspection. This water heater uses 220 V – 240 V a.c. power for the electrically operated •...
  • Page 9 SAFETY, WARNINGS, INSTALLATION NOTES • Servicing of a water heater must only be carried out by qualified personnel. Phone Aquamax Service. • Only a person qualified to install or service a water heater should drain the water heater, if this is required.
  • Page 10 If water does not flow freely from the drain line when the lever is lifted, then the water heater must be checked. Phone Aquamax Service to arrange for an inspection. The temperature pressure relief valve should be replaced at intervals not exceeding five (5) years and the expansion control valve should be checked for performance or replaced at intervals not exceeding five (5) years.
  • Page 11 SAFETY, WARNINGS, INSTALLATION NOTES ▪ The power supply wires are to be directly connected to the terminal block and earth tab connection, with no excess wire loops inside the front cover. The temperature rating of the power supply wires insulation must suit this application, or the wiring protected by insulating sleeving with an appropriate temperature rating if it can make contact with the internal storage cylinder.

  • Page 12: About Your Water Heater

    Its use in an application other than this may shorten its life. MODEL TYPE ® Aquamax water heater models are available with either a single heating unit or “Single Element Model” “Twin with twin heating units (refer to on page 14 and Element Model”...
  • Page 13 ABOUT YOUR WATER HEATER HOTTER WATER INCREASES THE RISK OF SCALD INJURY This water heater can deliver hot water at temperatures up to 70°C depending upon the thermostat setting, sufficiently hot to cause severe scalding. Water at this temperature may have been plumbed to fixtures where water hotter than 50°C is allowed, such as the kitchen and laundry.
  • Page 14 ABOUT YOUR WATER HEATER SINGLE ELEMENT MODEL This type of water heater has one heating unit with its own thermostat, located at the base of the water heater. • Continuous electricity supply This type of connection is suited to where the storage capacity is less than the normal daily usage.
  • Page 15 ABOUT YOUR WATER HEATER PRECAUTIONS Where damage to property can occur in the event of the water heater leaking, the water heater must be installed in a safe tray. Construction, installation and draining of a safe tray must comply with AS/NZS 3500.4 and all local codes and regulatory authority requirements.
  • Page 16 ABOUT YOUR WATER HEATER VICTORIAN CUSTOMERS Notice to Victorian Customers from the Victorian Building Authority. This water heater must be installed by a licensed person as required by the Victorian Building Act 1993. Only a licensed person will give you a Compliance Certificate, showing that the work complies with all the relevant Standards.

  • Page 17: Maintenance Requirements

    Phone Aquamax Service. Note: The major service and routine replacement of any components, such as the anode and relief valve(s), are not included in the Aquamax warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater.
  • Page 18 MAINTENANCE REQUIREMENTS MINOR MAINTENANCE EVERY SIX MONTHS It is recommended minor maintenance be performed every six (6) months. Minor maintenance can be performed by the dwelling occupant. The minor maintenance includes: • Operate the easing lever on the temperature pressure relief valve. It is very “Relief Valves”...

  • Page 19: Water Supplies

    Aquamax warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
  • Page 20 WATER SUPPLIES TOTAL DISSOLVED SOLIDS (TDS) mg/L 2500 (CONDUCTIVITY - μS/cm) (60) (215) (570) (860) (3570) Green Black Blue Blue above 2500 mg/L (3570 μS/cm), warranty applies to a vitreous enamel lined water heater cylinder if the correct coloured anode no warranty applies to a is used for the TDS / conductivity level of the water vitreous enamel lined...
  • Page 21 Where the saturation index is less than –1.0, the water is very corrosive and the Aquamax warranty does not apply to a copper sheathed heating unit. A corrosion resistant heating unit must be used for the Aquamax warranty to apply to the heating unit.
  • Page 22 The water heater and its components are not suitable for certain water chemistries. Those chemistries are listed below. If the water heater is connected at any time to a water supply with the following water chemistry, the Aquamax warranty will not cover any resultant faults on the components listed below:...

  • Page 23: Save A Service Call

    SAVE A SERVICE CALL Check the items below before making a service call. You will be charged for attending to any condition or fault that is not related to the manufacture or failure of a part. NOT ENOUGH HOT WATER (OR NO HOT WATER) •...
  • Page 24 SAVE A SERVICE CALL • Water heater size Do you have the correct size water heater for your requirements? The sizing guide in the Aquamax sales literature suggests average sizes that may be needed. TEMPERATURE PRESSURE RELIEF VALVE OR EXPANSION CONTROL VALVE RUNNING •...
  • Page 25 Extended time controlled supply, Domestic or Continuous supply. “Single Element Model” “Twin For types of tariffs, refer to on page 14 and Element Model” on page 14. IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, PHONE AQUAMAX SERVICE.

  • Page 26: Installation

    INSTALLATION THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING INSTALLATION STANDARDS The water heater must be installed: • by a qualified person, and • in accordance with the installation instructions, and • in compliance with the Plumbing Code of Australia (PCA), Standards AS/NZS 3500.4 and AS/NZS 3000, and all local codes and regulatory authority requirements.
  • Page 27 INSTALLATION WATER HEATER LOCATION The water heater is suitable for either indoor or outdoor installation. Whether located outdoor or indoor, the water heater should be installed close to the most frequently used outlet and its position chosen with safety and service in mind. Clearance must be allowed for servicing of the water heater.
  • Page 28 The correct colour coded anode for the water supply being used must be selected and fitted to the water heater for the Aquamax warranty to apply to the “Water Supplies”...
  • Page 29 INSTALLATION HOT WATER DELIVERY This water heater can deliver hot water at temperatures up to 70°C, sufficiently hot to cause severe scalding. Water at this temperature may be plumbed to fixtures where water hotter than 50°C is allowed, such as the kitchen and laundry. The installing plumber may have a legal obligation to ensure the installation of this water heater meets the water temperature delivery requirements of the Plumbing Code of Australia so that heated water delivered to fixtures and...
  • Page 30 INSTALLATION CIRCULATED HOT WATER FLOW AND RETURN SYSTEM If an Aquamax water heater is to be installed as part of a circulated hot water flow and return system, it must be able to provide a hot water outlet temperature of at least 60°C. Note: The thermostat must always be set to at least 60°C.
  • Page 31 INSTALLATION Off-Peak or Time Controlled Electricity Supply A single or twin element electric water heater connected to an Off-Peak electricity supply should not be installed as part of a circulated hot water flow and return system in a building. The benefits of the Off-Peak electricity supply will be significantly reduced.
  • Page 32 13 mm. Should pre-drilling be required, extreme caution must be observed when penetrating the jacket of the water heater. Note: If the cylinder is damaged as a result of attaching pipe clips or saddles to the jacket, any resultant faults will not be covered by the Aquamax warranty.
  • Page 33 INSTALLATION TYPICAL INSTALLATION – OUTDOOR LOCATION TYPICAL INSTALLATION – INDOOR LOCATION...
  • Page 34 INSTALLATION DIMENSIONS AND TECHNICAL DATA – 160 TO 400 MODELS Single Element 971160 9W1160 991250 991315 991400 Twin Element 992250 992315 992400 Hot Water Delivery Litres Boost Capacity Litres Dimensions 1610 1395 1640 1840 1332 1112 1317 1479 1228 1323 TPR Valve Setting 1400 1000...

  • Page 35: Connections - Plumbing

    CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in accordance with the Standard AS/NZS 3500.4 and all local codes and regulatory authority requirements. CONNECTION SIZES • Hot water connection: Rp 3/4 • Cold water connection: Rp 3/4 •...
  • Page 36 CONNECTIONS – PLUMBING LEFT AND RIGHT HAND SIDE WATER CONNECTIONS The cold and hot water supplies can be PLASTIC CAP connected to either side of a water INSULATION RUBBER heater with both left and right hand side BRASS PLUG connections. A kit is supplied with the water heater to plug off the unused cold water and hot water fittings.
  • Page 37 CONNECTIONS – PLUMBING TEMPERATURE PRESSURE RELIEF VALVE The water heater has a temperature pressure relief valve connection on its left hand side. The temperature pressure relief valve is shipped in a plastic bag attached to the water heater. The temperature pressure relief valve must be fitted before the water heater is operated.
  • Page 38 CONNECTIONS – PLUMBING EXPANSION CONTROL VALVE Local regulations may make it mandatory to install an expansion control valve (ECV) in the cold water line to the water heater. In other areas, an ECV is “Water Supplies” required if the saturation index is greater than +0.4 (refer to page 19).
  • Page 39 CONNECTIONS – PLUMBING If a drain line discharges into a tundish, the drain line from the tundish must be not less than DN20. The drain line from a tundish must meet the same requirements as for a drain line from a relief valve. Warning: As the function of the temperature pressure relief valve on this water heater is to discharge high temperature water under certain conditions, it is strongly recommended the pipe work downstream of the relief valve be...

  • Page 40: Connections - Electrical

    CONNECTIONS – ELECTRICAL The power supply to the water heater must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained. All electrical work and permanent wiring must be carried out by a qualified person and in accordance with the edition of the Wiring Rules AS/NZS 3000 in force in the state or territory at the time of installation, and all local codes and regulatory authority requirements.
  • Page 41 CONNECTIONS – ELECTRICAL For reasons of safety and economy, we advise the thermostat be set at the lowest temperature that will provide sufficient hot water. Dishwasher running costs can be adversely affected if the thermostat is set below 65°C. Discuss the thermostat setting requirements with the householder.

  • Page 42: Commissioning

    COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The power supply to the water heater must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained. Open all of the hot water taps in the house (don’t forget the shower). •...

  • Page 43: Draining The Water Heater

    DRAINING THE WATER HEATER Warning: Exercise care, as water discharged from the water heater may be of a very high temperature. To drain the water heater: “To Turn Off the Water Heater” • Turn off the water heater (refer to on page 42).
  • Page 44 Please provide the following information upon completion of the installation. This information should be provided to assist the customer in an event that a claim is to be made under the Aquamax warranty. Plumber (Name & Company): Plumber’s Licence Number:...

This manual is also suitable for:

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