Vulcan-Hart Electric Domestic Water Heater Owner's Manual And Installation Instructions
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Vulcan-Hart Electric Domestic Water Heater Owner's Manual And Installation Instructions

Electric domestic water heater
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Owner's Guide
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Installation Instructions
Electric Domestic
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 Vulcan-Hart Electric Domestic Water Heater

  • 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 PATENTS This water heater may be protected by one or more patents or registered designs in the name of Rheem Australia Pty Ltd. TRADEMARKS ® Registered trademark of Rheem Pty Ltd. Australia Trademark of Rheem Australia Pty Ltd. Note: Every care has been taken to ensure the accuracy in preparation of this publication.

  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER - We recommend you read pages 4 to 19. The other pages are intended for the installer but may be of interest. About Your Water Heater ............4 Regular Care ................10 Water Supplies ................13 Save A Service Call ..............17 Installation ..................

  • Page 4: About Your Water Heater

    Its use in an application other than this may shorten its life. MODEL TYPE ® Vulcan water heater models are available with either a single heating unit or “Single Element Model” “Twin with twin heating units (refer to on page 7 and Element Model”...
  • Page 5 ABOUT YOUR WATER HEATER HOTTER WATER INCREASES THE RISK OF SCALD INJURY This water heater can deliver water at temperatures which can cause scalding. Check the water temperature before use, such as when entering a shower or filling a bath or basin, to ensure it is suitable for the application and will not cause scald injury.
  • Page 6 Owner‟s Guide and Installation Instructions. The Vulcan warranty may not cover faults if relief valves or other safety devices are tampered with or if the installation is not in accordance with these instructions.
  • Page 7 ABOUT YOUR WATER HEATER SINGLE ELEMENT MODEL This type of water heater has one heating unit with its own thermostat. The heating unit is 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 8 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 9 ABOUT YOUR WATER HEATER HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY? Installation requirements are shown on pages 27. The water heater must be installed: by a qualified person, and in accordance the installation instructions, and in compliance with Standards AS/NZS 3500.4, AS/NZS 3000 and all local codes and regulatory authority requirements.

  • Page 10: Regular Care

    Accredited Service Agent. Note: The five year service and routine replacement of any components, such as the anode and relief valve(s), are not included in the Vulcan warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater.
  • Page 11 REGULAR CARE MINOR SIX MONTH MAINTENANCE It is recommended minor maintenance be performed every six months by the dwelling occupant. The minor maintenance includes: Operate the easing lever on the temperature pressure relief valve. It is very “Temperature important you raise and lower the lever gently. Refer to Pressure Relief Valve”...
  • Page 12 REGULAR CARE TEMPERATURE PRESSURE RELIEF VALVE This valve is near the top of the water heater and is essential for its safe operation. It is possible for the valve to release a little water through the drain line during each heating period. This occurs as the water is heated and expands by approximately 1/50 of its volume.

  • Page 13: Water Supplies

    Vulcan warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
  • Page 14 WATER SUPPLIES TOTAL DISSOLVED SOLIDS & CONDUCTIVITY (vitreous enamel lined water heater cylinder) no warranty applies warranty applies to a vitreous enamel lined water heater cylinder if the to a vitreous correct coloured anode is used for the TDS / conductivity level of water enamel lined water heater TOTAL DISSOLVED SOLIDS (TDS) - mg/L...
  • Page 15 Where the saturation index exceeds +0.40, the water is very scaling. An expansion control valve must be fitted on the cold water line after the non-return valve to protect and for the Vulcan warranty to apply to the temperature pressure relief valve and water heater cylinder.
  • Page 16 Those chemistries are listed below. If the water heater is connected at any time to a water supply with the following water chemistry, the Vulcan warranty will not cover any resultant faults on the components listed below: Water Chemistry Component Total Dissolved Solids (TDS) >...

  • Page 17: 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) Is the electricity switched on? Inspect the isolating switch marked “HOT WATER”...
  • Page 18 SAVE A SERVICE CALL Water heater size Do you have the correct size water heater for your requirements? The sizing guide in the Vulcan sales literature suggests average sizes that may be needed. TEMPERATURE PRESSURE RELIEF VALVE RUNNING Normal Operation...
  • Page 19 SAVE A SERVICE CALL HIGHER THAN EXPECTED ELECTRICITY BILLS Should you at any time, feel your electricity account is higher than expected, we suggest you check the following points: Is the relief valve running excessively? “Temperature Pressure Relief Refer to Valve Running”...

  • Page 20: 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 the installation instructions, and in compliance with Standards AS/NZS 3500.4, AS/NZS 3000 and all local codes and regulatory authority requirements.
  • Page 21 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.
  • Page 22 INSTALLATION MAINS WATER SUPPLY Where the mains water supply pressure exceeds that shown in the table below, an approved pressure limiting valve is required and should be fitted as shown in the installation diagram (refer to diagram on page 29). Refer to data table on Model page 28...
  • Page 23 INSTALLATION HOT WATER DELIVERY This water heater can deliver water at temperatures which can cause scalding. It is necessary and we recommend that a temperature limiting device be fitted between the water heater and the hot water outlets in any ablution area such as a bathroom or ensuite, to reduce the risk of scalding.
  • Page 24 INSTALLATION CIRCULATED HOT WATER FLOW AND RETURN SYSTEM If a Vulcan water heater is to be installed as part of a circulated hot water flow and return system, a storage water heater able to provide a hot water outlet temperature of at least 60°C must be used. Note: The thermostat must always be set to at least 60°C.
  • Page 25 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 26 Vulcan warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
  • Page 27 INSTALLATION TYPICAL INSTALLATION – OUTDOOR LOCATION OUTDOOR LOCATIONS TYPICAL INSTALLATION – INDOOR LOCATION OUTDOOR LOCATIONS INDOOR LOCATIONS Installation Typical INDOOR LOCATIONS Domestic Electric Water Heater Installation Typical Domestic Electric Water Heater...

  • Page 28: Dimensions And Technical Data

    INSTALLATION DIMENSIONS AND TECHNICAL DATA Single Element 691025 691045 691050 Single Element 661080 661125 661160 661250 661315 661400 Twin Element 662160 662250 662315 662400 Hot Water litres Delivery Boost Capacity litres Dimensions A 1340 1610 1395 1640 1840 1102 1332 1117 1317 1479...

  • Page 29: 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. In New Zealand the installation must also conform with the New Zealand Building Code.
  • Page 30 CONNECTIONS – PLUMBING LEFT AND RIGHT HAND SIDE WATER CONNECTIONS The cold and hot water supplies and temperature pressure relief valve (025, 045 and 050 models) can be connected to either side of a water heater with both left and right hand side water connections. A kit is supplied with the water heater to plug off the unused cold water, hot water and temperature pressure relief valve fittings.
  • Page 31 CONNECTIONS – PLUMBING TEMPERATURE PRESSURE RELIEF VALVE The temperature pressure relief valve is shipped either under the top flap of the water heater carton or behind the front cover or in a plastic bag attached to the water heater. The temperature pressure relief valve must be fitted before the water heater is operated.
  • Page 32 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 on page 13).
  • Page 33 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 capable...

  • Page 34: 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 Wiring Rules AS/NZS 3000 and all local codes and regulatory authority requirements.
  • Page 35 CONNECTIONS – ELECTRICAL If this water heater is installed as part of a solar water heating system: the solar control system must be of a design to limit solar contribution so the water temperature in the tank does not exceed 80°C. This is necessary to ensure the solar input does not cause the thermostat‟s over-temperature cut-out to operate.

  • Page 36: 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). Open the cold water isolation valve fully on the cold water line to the water heater.

  • Page 37: 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 page 36). Close all hot water taps.

  • Page 38: Warranty

    2.1 The decision of whether to repair or replace a faulty component is at Rheem’s sole discretion. 2.2 If you require a call out and we find that the fault is not covered by the Vulcan warranty, you are responsible for our standard call out charge. If you wish to have the relevant component repaired or replaced by Rheem, that service will be at your cost.
  • Page 39 2.9 If the water heater is not sized to supply the hot water demand in accordance with the guidelines in the Vulcan water heater literature, any resultant fault will not be covered by the Vulcan warranty. 3. WHAT IS COVERED BY THE VULCAN WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT 3.1 Rheem will repair or replace a faulty component of your water heater if it fails to operate in...
  • Page 40 6.2 The Vulcan warranty (set out above) is in addition to any rights and remedies that you may have under the Australian Consumer Law.

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