Rheem Solar Hiline 52D Series Owner's Manual And Installation Instructions
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Rheem Solar Hiline 52D Series Owner's Manual And Installation Instructions

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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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  • 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 AS/NZS 3500.4:2018. The collector circuit includes the solar hot and solar cold pipes and solar collectors. An electronic copy of these Owner’s Guide and Installation Instructions can be downloaded from rheem.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

    Rheem warranty. We recommend you read pages 7 to 21, and the terms of the Rheem warranty on pages 4 to 6. 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 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 5 Ice formation in the waterways of an open circuit thermosiphon system. Rheem may reject a claim under this warranty in its sole discretion if a third party solar diverter is connected to the water heater.
  • Page 6 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.

  • Page 7: Safety, Warnings, Installation Notes

    For continued safety of this water heater it must be installed, operated and maintained in accordance with the Owner’s Guide and Installation Instructions. • Servicing of a water heater must only be carried out by qualified personnel. Phone Rheem Service or their nearest Accredited Service Agent. •...
  • Page 8 Refer to page 14. If the relief valve easing 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 9 SAFETY, WARNINGS, INSTALLATION NOTES INSTALLATION NOTES This water heater must be installed: • by a qualified person, • in accordance with the installation instructions, • in compliance with the Plumbing Code of Australia (PCA) and Plumbing Standard AS/NZS 3500.4, ▪ This water heater is designed for outdoor installation.

  • Page 10: About Your Water Heater

    This solar energy heats the water in the absorber plate which is then transferred to the storage tank. 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.
  • Page 11 “Booster Control” heating unit. Refer to on page 12. 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 12 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 13 ABOUT YOUR WATER HEATER PRECAUTIONS The water heater must be maintained in accordance with the Owner’s Guide and Installation Instructions. Refer “Maintenance Requirements” “Anode Inspection and Replacement” on page 14 and to on page 17. If this water heater is to be used where an uninterrupted hot water supply is necessary for your application or business you should ensure that you have back-up redundancy within the hot water system design.

  • Page 14: 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 15 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 16: 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 17 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 18 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 19: 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 manufacture or failure of a part. NOT ENOUGH HOT WATER (OR NO HOT WATER) This can occur with new installations and is normally related to some misunderstandings as to the use of the booster heating unit.
  • Page 20 8). This may dislodge a small particle of foreign matter and clear the fault. Release the lever gently. 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 21 (OTP) system installed. 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.

  • Page 22: 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 38 in relation to the removal of the solar collector packaging.
  • Page 23 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 24 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 25 INSTALLATION – SOLAR STORAGE TANK HOT WATER DELIVERY This water heater can deliver hot water at temperatures which on occasion could exceed 75°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.
  • Page 26 INSTALLATION – SOLAR STORAGE TANK CIRCULATED HOT WATER FLOW AND RETURN SYSTEM The solar storage tank of 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. In-tank electric boosting If this solar water heater has its electric heating unit connected for in-tank boosting and a circulated flow and return system is required, it is necessary to install a secondary water heater supplied from the solar water...
  • Page 27 INSTALLATION – SOLAR STORAGE TANK Circulated Hot Water Flow and Return System – Solar Water Heater with In-series Boosting LEGEND Temperature Settings • AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in potable water.
  • Page 28 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 29 INSTALLATION – SOLAR STORAGE TANK DIMENSIONS AND TECHNICAL DATA 180 Litre 300 Litre Pipe Kit System Solar Storage Tank (kg) Solar Collectors (kg) (kg) (kg) Model Capacity Empty Full Model Empty Full Full 52D180 180 litre NPT200 52D300 300 litre NPT200 Tank model number has a two digit suffix to denote the heating unit size, where R5 = 2.4kW, R7 = 3.6kW Technical data is subject to change.
  • Page 30 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION – SOLAR HILINE 180...
  • Page 31 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION – SOLAR HILINE 300...

  • Page 32: 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 33 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 34 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 35: 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 37. 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 36 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 37 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 38 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 39 SYSTEM ASSEMBLY ASSEMBLY PROCEDURE Refer to the 52D180/1NPT exploded view diagram on page 35 and the 52D300/2NPT exploded view diagram on page 36 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 40 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 41 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 42 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 43 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 44 SYSTEM ASSEMBLY Clamping Collector To Collector Rail Refer to exploded view diagrams on pages 35 36 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 45 SYSTEM ASSEMBLY Coupling Collector To Collector – Screwed Fittings Refer to the exploded view diagram on page 36 for position and Detail D on page 45. 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 46 SYSTEM ASSEMBLY Coupling Cold And Hot Pipes To Collector – Screwed Fittings Refer to the exploded view diagrams on pages 35 36 for position and Detail F on page 46 and Detail G on page 46. Seat an O’ring (11) into the collector connection. Place the end of the solar hot pipe into the collector connection and screw in the union until it seats firmly against the O’ring (11), applying medium pressure with a spanner to tighten.

  • Page 47: 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 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 48 CONNECTIONS – PLUMBING This water heater is intended to be permanently connected to the water mains and not connected by a hose- set. A braided flexible hose or semi-flexible connector may be used for connection to the water heater, where permitted by AS/NZS 3500.4.
  • Page 49 CONNECTIONS – PLUMBING EXPANSION CONTROL VALVE An expansion control valve is supplied in the pipe kit and must be installed. Install the expansion control valve using a brass Tee, brass union and brass nipple on the cold water line to the water heater. The expansion control valve must always be installed after the non-return valve and be the last valve installed prior to the water heater.

  • Page 50: 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 51 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 52: 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 53 MULTIPLE INSTALLATIONS RHEEM COMMERCIAL SOLAR HILINE – DOUBLE ARRAY...

  • Page 54: 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 55 COMMISSIONING INSTALLATION CHECK LIST Prior to handover, complete the installation check list: System is installed as per the installation instructions ................[ Water is connected, turned on and solar storage tank is filled ..............[ All mechanical fixings are secured ......................[ Collector rail has a rise of 12-15 mm per collector on the hot outlet side of the solar collectors if installed directly onto the roof .......................

  • Page 56: 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 (3) hours of sunrise when the sun is low in the sky.
  • Page 57 DRAINING AND FLUSHING THE WATER HEATER Draining and Flushing the Solar Collectors • From the bottom end of the solar collectors, unscrew and remove the end plug. Connect a hose to the collector connection. Let the other end of the hose go to a drain. •...
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  • Page 61: Installation Report

    (please circle) Gas Booster Model No Serial No (if installed) If replacing a water heater, please give details Brand Model No Electric If a Rheem unit Tank Serial No Date of manufacture Collector Serial No’s Comments Signature: Installer: Customer: Date...
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  • Page 64 Revision Date: 2021 July 122237E...

This manual is also suitable for:

Solar hiline 52d300Solar hiline 52d180Solar hiline 52d180r7/1npt

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