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Rheem Solar Hiline 52D180 Owner's Manual And Installation Instructions

52d series open circuit
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Owner's Guide
and
Installation Instructions
®
Solar Hiline
Water Heater
52D Series Open Circuit
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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Summary of Contents for Rheem Solar Hiline 52D180

  • Page 1 Owner’s Guide Installation Instructions ® Solar Hiline Water Heater 52D Series Open Circuit 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 in the name of Rheem Australia Pty Ltd. TRADE MARKS ® Registered trademark of Rheem Australia Pty Ltd. ™ Trademark of Rheem Australia Pty Ltd. ® Colorbond is a registered trademark of BlueScope Steel Limited.

  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER – We recommend you read pages 4 to 17. The other pages are intended for the installer but may be of interest. About Your Water Heater ......................4 Maintenance Requirements ......................9 Water Supplies ........................... 12 Save A Service Call ........................15 Installation –...

  • Page 4: About Your Water Heater

    SOLAR OPERATION The Rheem Hiline 52D series system is an open circuit solar water heater with its vitreous enamel lined solar storage tank installed on the roof directly coupled to the solar collectors. An open circuit system has a collector circuit which is directly connected to the potable water in the solar storage tank.
  • Page 5 “Booster Control” heating unit. Refer to on page 7. Rheem bathrooms and ensuites recommends the thermostat is set at 60°C to maximise solar contribution. Note: AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in potable water.
  • Page 6 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 7 ABOUT YOUR WATER HEATER BOOSTER CONTROL An isolating switch is installed in the electrical meter box for the solar storage tank. This should be left switched on to allow the booster heating unit to operate if required. The booster heating unit is for heating the water at times of low solar energy gain, such as during very cloudy or rainy weather, or during the colder months.
  • Page 8 ABOUT YOUR WATER HEATER TO TURN OFF THE WATER HEATER If you plan to be away from home for a few nights, we suggest you leave the water heater switched on. If it is necessary to turn off the water heater: ...

  • Page 9: Maintenance Requirements

    Note: The major service and routine replacement of any components, such as the anode and relief valves, 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 10 Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection. If the relief valve lever is not readily and safely accessible, contact Rheem Service or their nearest Accredited Service Agent. Do not attempt to climb onto a non-trafficable roof to operate the relief valve lever.
  • Page 11 Have any trees trimmed which may shade the solar collectors. Rheem solar collectors have passed the AS/NZS 2712 requirements for resistance to hailstone damage, so it is not normally necessary to fit a guard to a collector. Stone Guards are available to provide a level of protection to the collectors against vandalism or accidental damage.

  • Page 12: 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 13 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 two weeks.
  • Page 14 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 15: Save A Service Call

    11).  Collector area is too small For most installations, the number of solar collectors recommended in the Rheem literature has been proven to provide the required solar energy to meet the average family needs.  Are you using more hot water than you think? Is one outlet (especially the shower) using more hot water than you think? Very often it is not realised the amount of hot water used, particularly when showering.
  • Page 16 Heavy flows of hot water until the water heater is cold - then stops until water reheats The water heater must be switched off at the isolating switch or switchboard. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
  • Page 17 SAVE A SERVICE CALL COLLECTOR GLASS The Rheem warranty DOES NOT cover breakage of solar collector glass. Check your household insurance policy covers collector glass breakage. Warning: No attempt should be made to remove or replace broken collector glass. The collector glass is not offered as a replacement part. Should the solar collector require replacement, contact Rheem Service or their nearest Accredited Service Agent.

  • Page 18: Installation - Solar Storage Tank

     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. Refer to the warning on page 33 in relation to the removal of the solar collector packaging.
  • Page 19 INSTALLATION – SOLAR STORAGE TANK WATER HEATER APPLICATION This water heater is designed for use in a single family domestic dwelling for the purpose of heating potable water. Its use in an application other than this may shorten its life. If this water heater is to be used where an uninterrupted hot water supply is necessary for the application or business, then there should be back-up redundancy within the hot water system design.
  • Page 20 INSTALLATION – SOLAR STORAGE TANK SOLAR WATER HEATER STORAGE TANK LOCATION The solar storage tank is designed to be installed on the roof directly coupled to the solar collectors. The solar water heater should be installed close to either the most frequently used outlet or the previously installed water heater in a retrofit installation if existing pipe work is to be utilised, and its position chosen with safety and service in mind.
  • Page 21 INSTALLATION – SOLAR STORAGE TANK 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. The installing plumber may have a legal obligation to ensure the installation of this water heater meets the delivery water temperature requirements of AS/NZS 3500.4 so that scalding water temperatures are not delivered to a bathroom, ensuite or other ablution area.
  • Page 22 INSTALLATION – SOLAR STORAGE TANK CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A solar water heater should not be installed as part of a circulated hot water flow and return system in a building. The benefits of solar gain will be significantly reduced and energy gained from the sun lost through the pipe work.
  • Page 23 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 24 INSTALLATION – SOLAR STORAGE TANK DIMENSIONS AND TECHNICAL DATA 180 Litre RHEEM WATER HEATER SOLAR HILINE ELECTRIC BOOST 52D180 WITH NPT200 SOLAR COLLECTOR RHEEM WATER HEAT SOLAR HILINE ELECTRIC BOO WITH NPT200 SOLAR COLL 300 Litre RHEEM WATER HEATER SOLAR HILINE ELECTRIC BOOST 52D300...
  • Page 25 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION – SOLAR HILINE 180 TYPICAL INSTALLATION HILINE SOLAR WATER HEATER...
  • Page 26 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION – SOLAR HILINE 300 TYPICAL INSTALLATION HILINE SOLAR WATER HEATER...

  • Page 27: Installation - Solar Collectors

    INSTALLATION – SOLAR COLLECTORS SOLAR COLLECTOR LOCATION The solar collectors must be installed in a shade free position. The surrounds should be checked for higher buildings or trees which may cause shade at other times of the year and for small trees which may grow and shade the solar collectors in the future.
  • Page 28 30°. Where the solar water heater is installed at inclinations greater than 30°, a With-Pitch frame is necessary. Contact Rheem or your local Rheem Solar Water Heater Distributor for details. A Variable-Pitch frame can be installed to increase the angle of inclination of the thermosiphon solar water heater.
  • Page 29 INSTALLATION – SOLAR COLLECTORS WARNING: Plumber – Be Aware  The solar hot and solar cold pipe work between the solar Hiline storage tank and the solar collectors are supplied in the pipe kit. The supplied copper solar hot and solar cold pipes MUST BE used. ...

  • Page 30: System Assembly

    SYSTEM ASSEMBLY The numbered components in the exploded view diagrams are listed in the table of components in “Components and Kit Contents” on page 32. 52D180 TANK WITH 1 X NPT200 COLLECTOR – EXPLODED VIEW Note: Component (10) solar hot pipe assembly is supplied with the solar storage tank, and components (20) adaptor M33 F x 3/4 M are supplied fitted to the solar storage tank.
  • Page 31 SYSTEM ASSEMBLY 52D300 TANK WITH 2 X NPT200 COLLECTORS – EXPLODED VIEW Note: Component (10) solar hot pipe assembly is supplied with the solar storage tank, and components (20) adaptor M33 F x 3/4 M are supplied fitted to the solar storage tank...
  • Page 32 SYSTEM ASSEMBLY COMPONENTS AND KIT CONTENTS The thermosiphon solar water heater is supplied with a pipe kit, which contains the components required to assemble the solar storage tank and solar collectors together. Pipe kits are available for a system installation with or without a thermosiphon restrictor valve (TRV). The thermosiphon restrictor valve is installed in the solar cold pipe.
  • Page 33 Stone Guards are available to provide a level of protection to the collectors against vandalism or accidental damage. Contact Rheem or your local Rheem Solar Water Heater Distributor for details.
  • Page 34 SYSTEM ASSEMBLY ASSEMBLY PROCEDURE Refer to the 52D180/1NPT exploded view diagram on page 30 and the 52D300/2NPT exploded view diagram on page 31 for the location and position of components. DO NOT MODIFY THESE PARTS IN ANY WAY. Roof Condition: Check the condition of the roof and advise the client of any broken tiles or damaged roof sheeting before commencing the installation.
  • Page 35 SYSTEM ASSEMBLY Note: AS/NZS 3500.4 states a minimum of three (3) screws 40 mm long be used per fixing strap. Longer screws or anchors may be required to achieve a 40 mm minimum embedment into rafters for a metal roof. Additional screws or anchors may be required.
  • Page 36 SYSTEM ASSEMBLY Tank to Collector Connections of Pipe Work: Connect the solar hot pipe (10) and the solar cold pipe (9) to the solar collectors, using the O’rings (11) provided. Connect the solar hot pipe (10) (short pipe) supplied to the fitting adaptor connection on the right hand end of the solar storage tank and to the top right connection of the solar collectors.
  • Page 37 SYSTEM ASSEMBLY Hot Water Outlet and Temperate Pressure Relief Valve: Fit the R3/4 M x RP1/2F x G1/2 M olive hot water Tee (21) to the tank hot water outlet connection. Screw the temperature pressure relief valve (1) into the hot water Tee (21) at the hot water outlet. “Temperature Pressure Relief Valve”...
  • Page 38 SYSTEM ASSEMBLY ASSEMBLY DRAWINGS Hooking Roof Strap to Collector Rail Determine which slots in the collector rail (6) will be used for the roof straps (4) after locating the rafters and taking note of the rafter spacing. Note: The roof straps (4) are to be fitted to the collector rail (6) before fixing the straps to the rafters. Recommended slots One collector Two collectors...
  • Page 39 SYSTEM ASSEMBLY Clamping Collector To Collector Rail Refer to exploded view diagrams on pages 30 31 for position and to Detail 209130 Position the collector clamp (16) over the hole in the 331842 collector rail (6) with the top lip of the clamp (16) over the collector trim.
  • Page 40 SYSTEM ASSEMBLY Coupling Collector To Collector – Screwed Fittings Refer to the exploded view diagram on page 31 for position and Detail D on page 40. Seat an O’ring (11) into each of the collector connections to be joined. Fit a collector union (12) to each collector connection of the first solar collector to receive the second solar collector and screw in the unions until they seat firmly against their O’ring (11) in the collector connection.
  • Page 41 END P CONNECTION TO COLLECTOR P/No: 330171 O-Ri O-Ring 25mm ID x 3.2 Thk DETAIL SHEET - FOR N (ITEMS WITH P/No's, ARE SUPPLIED RHEEM DOMESTIC HIL Sunstat valve (Supplied) Solar Cold Pipe P/No: 223904 160L - 193372 300L - 193370...

  • Page 42: Connections - Plumbing

    CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in accordance with the requirements of Standards 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. Warning: Certain types of plastic pipe, such as polybutylene pipe, are not suitable to be used as a hot water pipe between: ...
  • Page 43 CONNECTIONS – PLUMBING Exposed pipe work between the solar storage tank and the penetrations through the roofing material should be kept to a minimum to maintain the aesthetics of the installation. Pipes must not be installed in direct contact with metal roofs. Where it is necessary to run piping across a metal roof, it must be fixed above the roof and surrounded with a weatherproof insulation.
  • Page 44 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 45: Connections - Electrical

    For reasons of safety and economy, we advise the thermostat be set at the lowest temperature that will provide sufficient hot water during periods when boosting is required. Rheem recommends the thermostat is set at 60°C to maximise solar contribution. Discuss the thermostat setting requirements with the householder.
  • Page 46 CONNECTIONS – ELECTRICAL BOOSTER CONTROL The isolating switch installed in the electrical meter box for the solar storage tank should be left switched on. Leaving the isolating switch switched on will also provide a sufficient period of time each day for the booster heating unit to operate, if required, to satisfy the requirements of AS 3498.

  • Page 47: Multiple Installations

    The system may be installed with the solar water heaters as preheaters and their electrical heating units not be connected to a power supply. Rheem commercial or heavy duty water heaters should be installed in series with the solar water heaters to boost the water temperature during periods of poor or no solar gain.

  • Page 48: Commissioning

    COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The power supply to the solar storage tank 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 49 COMMISSIONING INSTALLATION CHECKLIST Prior to handover, complete the final check list: System is installed as per the installation instructions ................[ Potable water is connected, turned on and solar storage tank is filled ........... [ All mechanical fixings are secured ......................[ Collectors have correct kick (12-15 mm per collector) ................

  • Page 50: Draining And Flushing The Water Heater

    DRAINING AND FLUSHING THE WATER HEATER DRAINING AND FLUSHING THE SOLAR STORAGE TANK AND COLLECTORS It may be necessary to drain or flush the solar storage tank and / or solar collectors during maintenance or if there is sediment in the water supply. This should be conducted in the morning, within three hours of sunrise, when the water temperature inside the solar storage tank and solar collectors is lower.
  • Page 51 DRAINING AND FLUSHING THE WATER HEATER After the solar storage tank has been drained or flushed:  Disconnect the hose from the cold water inlet and reconnect the cold water pipe work.  Open the cold water isolation valve to the water heater fully, check fittings for leaks and switch on the power.
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  • Page 55 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 Rheem warranty, you are responsible for our standard call out charge.

  • Page 56: Warranty

    3. WHAT IS COVERED BY THE RHEEM 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 accordance with its specifications as follows:...

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