Rheem 511161 Owner's Manual And Installation Instructions
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Rheem 511161 Owner's Manual And Installation Instructions

Solar storage tank
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Owner's Guide
and
Installation Instructions
Solar 511161 Storage Tank
WARNING: Plumber – Be Aware
Use copper pipe ONLY. Plastic pipe MUST NOT be used.
It is a requirement of a solar water heater installation that all pipe work be in copper
and not plastic, due to the effects of high water temperatures and pressures.
This water heater must be installed and serviced by a qualified person.
Please leave this guide with the householder.

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  • Page 1 Owner’s Guide Installation Instructions Solar 511161 Storage Tank WARNING: Plumber – Be Aware Use copper pipe ONLY. Plastic pipe MUST NOT be used. It is a requirement of a solar water heater installation that all pipe work be in copper and not plastic, due to the effects of high water temperatures and pressures.
  • Page 2 This water heater may be protected by one or more patents or registered designs. TRADE MARKS ® Registered trademark of Rheem Australia Pty Ltd. ™ Trademark of Rheem Australia Pty Ltd. Note: Every care has been taken to ensure accuracy in preparation of this publication.

  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER – We recommend you read pages 4 to 21. The other pages are intended for the installer but may be of interest. About Your Water Heater ......................4 Maintenance Requirements ...................... 12 Water Supplies ........................... 15 Save A Service Call ........................18 Installation –...

  • Page 4: About Your Water Heater

    If the in-series water heater is other than a Rheem continuous flow 874 series 20 or 26 or 27 litre in-series gas booster, then the references to the in-series gas booster in this guide may not be applicable to the installation.
  • Page 5 ABOUT YOUR WATER HEATER Normal operation As the sun heats the water in the solar collectors, the increase in temperature activates the circulator. The circulator switches on whenever the water in the solar collectors is hotter than the water in the solar storage tank.
  • Page 6 Note: The preset outlet temperature setting of a continuous flow in- series gas booster cannot be adjusted by the householder. The setting can only be adjusted by the installer, Rheem Service or their nearest Accredited Service Agent. Note: AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in potable water.
  • Page 7 Rheem. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection. The Rheem 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 8 It is essential the electrical circuit to the solar control unit is continually turned on if there is a risk of freezing. The Rheem warranty does not cover damage caused by freeze conditions when the electrical circuit to the solar control unit is turned off or interrupted.
  • Page 9 If the red LED continues to emit a rapid pulse for longer than ten (10) minutes, or emits a series of flashes, then count the number of flashes and phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
  • Page 10 The freeze protection system will be rendered inoperable if electrical power is not available at the solar control unit. Damage caused by freezing due to no power at the solar control unit is not covered by the “Terms of the Rheem Warranty” Rheem warranty. Refer to on page 58.
  • Page 11 ABOUT YOUR WATER HEATER VICTORIAN CUSTOMERS Notice to Victorian Customers from the Victorian Plumbing Industry Commission. 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 12: Maintenance Requirements

    Note: The major service and routine replacement of any components, such as the anode and relief valve(s), are not included in the Rheem warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater.
  • Page 13 If this solar storage tank is installed with an integrated or remotely installed Rheem in-series continuous flow gas booster, then for the booster’s safe and efficient operation, it is recommended a major service be conducted on the gas booster every five (5) years.
  • Page 14 Rheem Service or their nearest Accredited Service Agent. The expansion control valve should be checked for performance or replaced at intervals not exceeding five (5) years, or more frequently in areas where there is a high incidence of water deposits.

  • Page 15: Water Supplies

    If an incorrect colour coded anode is used in the water heater, any resultant faults will not be covered by the Rheem warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
  • Page 16 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 Rheem warranty to apply to the temperature pressure relief valve and water heater cylinder. Solar collectors in an open circuit solar water heater system should be covered when the water heater is not intended to be used for more than four (4) weeks.
  • Page 17 The water heater, solar collectors and their 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 Rheem warranty will not cover any resultant faults on the components listed below: Water Chemistry Component Total Dissolved Solids (TDS) >...

  • Page 18: Save A Service Call

     Collector area is too small For most installations, the number of solar collector(s) recommended in Rheem literature has been proven to provide the required solar energy to meet the average family needs. However, in some circumstances, it may be possible to install a second LCS or NPT200 solar collector.
  • Page 19 Fan Continues To Run After Water Heater Operation Stops It is the normal operation of the Rheem solar gas booster for the fan to continue running after heating of the water is finished. The fan may run for up to two minutes after the burners extinguish, to prepare for the next ignition.
  • Page 20 If the power outlet for the solar control unit is switched on, switch off for a few seconds and then switch on again. If the green LED remains off there may be a fault with the water heater. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
  • Page 21 An increase in hot water usage may result in an increase in booster operation.  Has your water heating tariff rate been increased by your energy retailer since your previous bill? IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, PHONE RHEEM SERVICE OR THEIR NEAREST ACCREDITED SERVICE AGENT.

  • Page 22: Installation - System

     The connection, attachment, integration or general association of other equipment or parts which either directly or indirectly affect the operation or performance of this equipment could void the Rheem warranty.  All packaging materials must be removed from the solar storage tank prior to its installation. This includes...
  • Page 23 This solar water heater is designed to be installed with a Rheem continuous flow 874 series 20 or 26 litre in- series gas booster either mounted onto the storage tank or installed remotely, or a Rheem 874 series 27 litre in-series gas booster installed remotely.
  • Page 24 INSTALLATION – SYSTEM Note: AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in potable water. If this water heater is installed with an in-series continuous flow gas booster, then this requirement of AS 3498 can be satisfied provided the booster is energised, its preset outlet temperature setting is 70°C or higher and a remote temperature controller or an EZiSET kit is not used.

  • Page 25: Installation - Solar Storage Tank

    INSTALLATION – SOLAR STORAGE TANK SOLAR WATER HEATER STORAGE TANK LOCATION The solar storage tank is suitable for either outdoor or indoor installation. If an in-series gas booster is mounted to the solar storage tank, then the installation must be outdoors. Whether located outdoor or indoor, the solar storage tank should be installed close to the most frequently used outlet and its position chosen with safety and service in mind.
  • Page 26 Solar control unit, PN 052294 (introduced to 511161 solar storage tanks manufactured from August 2018), contains a non-return valve at the inlet to the circulator. For a water heater fitted with this solar control unit, a non-return valve installed on the cold water line to the tank, and after the cold water branch to a temperature limiting device, is not required to be a dual check valve type.
  • Page 27 INSTALLATION – SOLAR STORAGE TANK If a combination isolation valve and non-return valve (duo or trio valve) is installed on the cold water line to the solar water heater and the cold water line to the temperature limiting device branches off after this valve, then a second non-return valve must be installed between the cold water branch and the solar storage tank.
  • Page 28 A Rheem 874 model in-series gas booster can be installed as part of a circulated hot water flow and return system in a building. If the in-series gas booster is mounted on the solar storage tank, then a suitable Tee must be installed at the inlet to the gas booster, after the flexible hose from the solar hot outlet on the tank.
  • Page 29 If an incorrect colour coded anode is used in the water heater, any resultant faults will not be covered by the Rheem warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
  • Page 30 INSTALLATION – SOLAR STORAGE TANK ANTI-FREEZE HEATING UNIT Additional freeze protection is provided by the anti-freeze heating unit. The anti-freeze heating unit is for heating the water at the bottom of the solar storage tank at times of very low cold water temperature. The anti- freeze heating unit provides additional energy to the water to assist in the prevention of freezing in the solar pipe work and solar collector(s).
  • Page 31 INSTALLATION – SOLAR STORAGE TANK DIMENSIONS AND TECHNICAL DATA storage tank only (remote boost) storage tank with integrated boost Tank Mass (kg) Tank Mass (kg) (without booster) (with booster) Model Capacity Empty Full Empty Full 511 161 165 litres Technical data is subject to change.
  • Page 32 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION (INTEGRATED BOOST) – OUTDOOR LOCATION Typical Installation Solar Loline 160 Open Circuit With Integrated Gas Boost...
  • Page 33 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION (REMOTE BOOST) – OUTDOOR LOCATION TYPICAL INSTALLATION (REMOTE BOOST) – INDOOR LOCATION Typical Installation Typical Installation Solar Loline 160 Open Circuit Solar Loline 160 Open Circuit With Remote Gas Boost With Remote Gas Boost...

  • Page 34: Installation - Solar Control Unit

    Solar control unit, PN 052294 (introduced to 511161 solar storage tanks manufactured from August 2018), contains a non- return valve at the inlet to the circulator.
  • Page 35 There is no provision for nor is adjustment to the solar control unit required. SUPPLIED WITH 511161 SOLAR STORAGE TANK Hex nipple ½” X ½”...
  • Page 36 INSTALLATION – SOLAR CONTROL UNIT SOLAR STORAGE TANK WITH RAISED SOLAR HOT INLET Numbers in parentheses refer to items on diagram on page To connect the solar cold pipe to the solar control unit on a solar Loline storage tank: Fit the union R 3/4 M x DN15 (2) to the solar cold water outlet of the solar storage tank.

  • Page 37: Installation - Solar Collector(S)

    INSTALLATION – SOLAR COLLECTOR(S) SOLAR COLLECTOR LOCATION Consideration must be given to the position of the solar collector(s) in relation to the solar storage tank. There are limitations on the maximum length of the solar hot and solar cold pipes between the solar storage tank and “Solar Storage Tank Location”...
  • Page 38 Note: Always check for true north or true south using a compass or other suitable device. In Victoria, an approved 511161 tank system with 1 x CSA2612 solar collector installed within the Regulation Compliance Zone achieves compliance to new home legislation for water heating. Outside of the compliance zone 2 x LCS solar collectors should be used to achieve compliance.
  • Page 39 For an installation of solar collectors on a pitched roof in a cyclonic or high wind area, a suitable With Pitch frame (available for 2.0m collector only) is required. Contact Rheem or your local Rheem Solar Water Heater Distributor for details.
  • Page 40 INSTALLATION – SOLAR COLLECTOR(S) Notes:  It is important to connect the solar hot and solar cold pipes to the correct connections at the solar collector and at the solar storage tank.  The solar cold pipe connects to the bottom of the solar collector array and may connect to either the left or right hand side.
  • Page 41 INSTALLATION – SOLAR COLLECTOR(S) WARNING: Plumber – Be Aware  The solar hot and solar cold pipes between the solar storage tank and the solar collector(s) MUST BE of copper. All compression fittings must use brass or copper olives.  The full length of the solar hot and solar cold pipes MUST BE insulated.
  • Page 42 INSTALLATION – SOLAR COLLECTOR(S) Pressure Testing The solar water heater, including the collector circuit, is to be isolated during the testing and commissioning of the heated water reticulation system in a building in accordance with Clause 9.3 (a) of AS/NZS 3500.4:2015 and 2018 or Clause 3.34.2 (a) of AS/NZS 3500.5:2012 for a Class 1a or Class 10 building as applicable under the Plumbing Code of Australia.

  • Page 43: Connections - Plumbing

    CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in accordance with the requirements of either AS/NZS 3500.4 or AS/NZS 3500.5:2012 Section 3 (for a Class 1a or Class 10 building) as applicable under the Plumbing Code of Australia, and all local codes and regulatory authority requirements.
  • Page 44 A braided hose, 750 mm long 12 mm diameter, is supplied for connecting between the solar storage tank and a Rheem 8748 series 20 litre or 26 litre model in-series gas booster mounted onto the storage tank. It is recommended to install the fittings associated with the solar control unit prior to mounting the in-series gas “Installation –...
  • Page 45 CONNECTIONS – PLUMBING IN-SERIES BOOSTER – REMOTE LOCATION The in-series booster water heater may be installed remotely from the solar storage tank. If the in-series water heater is a continuous flow gas water heater, this may be located adjacent to the right hand side of the solar storage tank and subject to the location of the flue terminal complying with the requirements of AS 5601 or AS/NZS 5601.1, connected using the fittings and braided hose supplied and “In-Series Booster –...
  • Page 46 CONNECTIONS – PLUMBING RELIEF VALVE DRAIN DN15 copper drain lines must be fitted to the temperature pressure relief valve and expansion control valve (if one is installed) to carry the discharge clear of the water heater. Connect the drain lines to the valves using disconnection unions.

  • Page 47: Connections - Electrical

    CONNECTIONS – ELECTRICAL The power supply to the water heater must not be switched on until the water heater is filled with water. 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 48 CONNECTIONS – ELECTRICAL WIRING DIAGRAM – SOLAR STORAGE TANK Hot sensor connection Cold sensor Solar Control Unit Anti-Freeze Heating Unit Differential Controller Frost Heating Unit...

  • Page 49: Commissioning

    If there is a risk of freezing, then it is necessary to drain the solar collector(s) and solar hot and solar cold “Draining the Solar Collector(s)” pipes (refer to on page 53).  “Terms of the Rheem Warranty” Refer to on page 58.
  • Page 50 COMMISSIONING IN-SERIES BOOSTER Refer to the Owner’s Guide and Installation Instructions supplied with the in-series water heater for the commissioning procedure of the in-series water heater. If a continuous flow gas water heater has been installed as an in-series gas booster to the solar water heater, then to complete the installation, it is necessary to check the gas supply pressure at the inlet to the in-series gas booster, and also the minimum test point pressure and the maximum test point pressure of the in-series gas booster.
  • Page 51 COMMISSIONING SOLAR CONTROLLER OPERATION AT START-UP When the electrical supply is switched on to the solar control unit at start-up:  If there is no solar gain, the circulator will not activate and the green LED will emit a slow pulse. The slow pulse indicates the circulator is not activated and the power to the solar control unit has been on for less than 48 hours.
  • Page 52 If the red LED continues to emit a rapid pulse for longer than ten (10) minutes, or emits a series of flashes, then count the number of flashes and phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.

  • Page 53: Draining The Water Heater

    DRAINING THE WATER HEATER To drain the water heater:  Cover the solar collector(s) with an opaque material.  Open a hot water tap and allow the water to run for five minutes immediately prior to draining the solar storage tank. This will assist in the transfer of any high temperature water in the solar collector(s) to the solar storage tank.

  • Page 54: Purging And Flushing The Solar Collector(S)

    PURGING AND FLUSHING THE SOLAR COLLECTOR(S) Upon completion of the installation, if the service 3-way valve was not opened during the tank filling procedure, then it is necessary to purge the air from the collector circuit. Other than at the time of the water heater’s installation, it will be necessary to purge air from the collector circuit: ...
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  • Page 58: Warranty

    The decision of whether to repair or replace a faulty component is at Rheem’s sole discretion. If you require a call out and we find that the fault is not covered by the Rheem 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 59 3. WHAT IS COVERED BY THE RHEEM WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT Rheem will repair or replace a faulty component of your water heater if it fails to operate in accordance with its specifications as follows:...
  • Page 60 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. The Rheem 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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