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Streamline
Open Circuit Solar Water Heater
Owner's Guide
and
Installation Instructions
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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Table of Contents
Related Manuals for Solahart Streamline 413MLV
Summary of Contents for Solahart Streamline 413MLV
- Page 1 Streamline Open Circuit Solar Water Heater Owner’s Guide Installation Instructions 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 “Warning: Plumber – Be Aware” statement commencing on page 44. An electronic copy of these Owner’s Guide and Installation Instructions can be downloaded from solahart.com.au. PATENTS This water heater may be protected by one or more patents or registered designs in the name of Solahart Industries Pty Ltd or Rheem Australia Pty Ltd.
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Page 3: Table Of Contents
Solahart warranty. We recommend you read pages 7 to 26, and the terms of the Solahart 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 Solahart’s sole discretion. If you require a call out and we find that the fault is not covered by the Solahart warranty, you are responsible for our standard call out charge. If you wish to have the relevant component repaired or replaced by Solahart, that service will be at your cost. - Page 5 400 metres above sea level. Solahart 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 Solahart 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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Page 7: Safety, Warnings, Installation Notes
The power supply cord and plug must be replaced with a genuine replacement part available from Solahart. Phone your nearest Solahart Dealer to arrange for an inspection. - Page 8 Refer to on page 16. • Servicing of a water heater must only be carried out by qualified personnel. Phone your nearest Solahart Dealer. • Only a person qualified to install or service a water heater can drain the water heater if this is required.
- Page 9 If water does not flow freely from the drain line when the lever is lifted, then the water heater must be checked. Phone your nearest Solahart Dealer 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.
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Page 10: About Your Water Heater
(refer to on page 4). Note: The Solahart warranty against freeze damage applies only to systems installed in Australia. Although designed to be installed as an electric boosted solar water heater, the water heater may also be installed with an in-series continuous flow or storage booster. - Page 11 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 12 Refer to booster setting Control” on page 14. minimum booster setting Solahart recommends the thermostat is set at 60°C to maximise solar contribution. maximum recommended Note: AS 3498 requires that a water heater provides the means to inhibit the supply growth of Legionella bacteria in potable water.
- Page 13 If the solar collectors and solar hot and solar cold pipes have been drained, it will be necessary to have the collector circuit purged of air. Phone your nearest Solahart Dealer. If the electrical supply to the water heater has been switched off: •...
- Page 14 ABOUT YOUR WATER HEATER BOOSTER CONTROL An isolating switch is installed in the electrical meter box for the solar storage tank, and a second isolating switch may be installed adjacent to the solar storage tank. These should be left switched on to allow the booster heating unit to operate if required.
- Page 15 (10) minutes. This does not indicate a fault. 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 your nearest Solahart Dealer to arrange for an inspection.
- Page 16 It is essential the electrical circuit to the solar control unit is continually turned on if there is a risk of freezing. The Solahart warranty does not cover damage caused by freeze conditions when the electrical circuit to the solar control unit is turned off or interrupted.
- Page 17 ABOUT YOUR WATER HEATER DOES THE WATER CHEMISTRY AFFECT THE WATER HEATER? The water heater is suitable for most public water supplies, however some water chemistries may have “Water Supplies” detrimental effects on the water heater, the solar collectors, components and fittings. Refer to on page 20.
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Page 18: Maintenance Requirements
Note: The five year service and routine replacement of any components, such as the anode and relief valve(s), are not included in the Solahart warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater. - Page 19 Solahart 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. Refer to your local Solahart Dealer for details.
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Page 20: Water Supplies
If an incorrect colour coded anode is used in the water heater, any resultant faults will not be covered by the Solahart warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder. - Page 21 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 Solahart 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 22 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 Solahart warranty will not cover any resultant faults on the components listed below: Water Chemistry Component Total Dissolved Solids (TDS) >...
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Page 23: Save A Service Call
• Collector area is too small For most installations, the number of solar collectors recommended in Solahart literature has been proven to provide the required solar energy to meet the average family needs. However, in some circumstances, it may be necessary to install an additional solar collector. - Page 24 Heavy flows of hot water from the temperature pressure relief valve until water heater is cold - then stops until water reheats The water heater must be switched off at the isolating switch or switchboard. Phone your nearest Solahart Dealer to arrange for an inspection.
- Page 25 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 your nearest Solahart Dealer to arrange for an inspection.
- Page 26 COLLECTOR GLASS The Solahart 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.
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Page 27: 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 Solahart warranty. • All packaging materials must be removed from the solar storage tank prior to its installation. This includes... - Page 28 (refer to on page 4). Note: The Solahart warranty against freeze damage applies only to systems installed in Australia. WATER HEATER APPLICATION This water heater is designed for use in a single family domestic dwelling for the purpose of heating potable water.
- Page 29 INSTALLATION – SYSTEM If this water heater is installed with an in-series storage booster, then this requirement of AS 3498 can be satisfied provided the storage booster is energised and its thermostat setting is 60°C or higher. Installing the Water Heater as a Pre-Heater This water heater can be used as a pre-heater to a new or existing in-series booster water heater provided: •...
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Page 30: 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. 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 31 INSTALLATION – SOLAR STORAGE TANK TANK WATER SUPPLY If the water heater is supplied with water from a tank supply and a minimum water supply pressure of 200 kPa at the water heater cannot be achieved, then a pressure pump system must be installed to allow the collector circuit system to operate.
- Page 32 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 33 INSTALLATION – SOLAR STORAGE TANK Circulated Hot Water Flow and Return System – Solar Water Heater with In-series Boosting Temperature Settings • AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in potable water.
- Page 34 If an incorrect colour coded anode is used in the water heater, any resultant faults will not be covered by the Solahart warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
- Page 35 INSTALLATION – SOLAR STORAGE TANK DIMENSIONS AND TECHNICAL DATA Model Nominal Tank Mass (kg) Boost (single mid Storage Capacity Empty Full element) Capacity 270MDV 270 litres 140 litres 320MDV 320 litres 170 litres 410MDV 410 litres 220 litres Dimensions (mm) 270MDV 1395 1112...
- Page 36 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION (SINGLE ELEMENT) – OUTDOOR LOCATION TYPICAL INSTALLATION (SINGLE ELEMENT) – INDOOR LOCATION...
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Page 37: Installation - Solar Control Unit
If the cylinder is damaged as a result of mounting the solar control unit to “Saddling - Pipe Work” the jacket, any resultant faults will not be covered by the Solahart warranty (refer to on page 34). - Page 38 INSTALLATION – SOLAR CONTROL UNIT SOLAR STORAGE TANK WITH RAISED SOLAR HOT INLET Numbers in parentheses refer to items on diagram on page 39 for single element models. To mount the solar control unit on the solar storage tank and connect the solar cold pipe: •...
- Page 39 INSTALLATION – SOLAR CONTROL UNIT • Connect a DN15 copper drain line to the service valve drain outlet using the compression nut and olive provided with the valve. The drain line must carry the discharge clear of the water heater and solar control “Service Valve unit and safely to drain.
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Page 40: Installation - Solar Collectors
INSTALLATION – SOLAR COLLECTORS SOLAR COLLECTOR LOCATION Consideration must be given to the position of the solar collectors 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 41 The collector kit is suitable for installations with an inclination of up to 45°. Where the solar collectors are installed at inclinations greater than 45°, a With Pitch frame is necessary. Refer to your local Solahart Dealer for details.
- Page 42 CYCLONIC OR HIGH WIND AREAS For an installation of solar collectors on a roof in a cyclonic or high wind area, a suitable frame is required. Refer to your local Solahart Dealer for details. LATITUDE OF SOME AUSTRALIAN CITIES Adelaide 35°S...
- Page 43 INSTALLATION – SOLAR COLLECTORS Maximum Height to Collectors The maximum height of an open circuit solar Streamline installation, from the solar controller (circulator) to the top of the solar collectors, is determined by the maximum recommended total pipe length for the system and “Pipe Lengths”...
- Page 44 INSTALLATION – SOLAR COLLECTORS WARNING: Plumber – Be Aware • The solar hot and solar cold pipes between the solar storage tank and the solar collectors 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 45 INSTALLATION – SOLAR COLLECTORS 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 3500.4:2021. The collector circuit includes the solar hot and solar cold pipes and solar collectors.
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Page 46: Connections - Plumbing
CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in accordance with the requirements of 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 47 CONNECTIONS – PLUMBING PIPE SIZES To achieve true mains pressure operation, the cold water line to the water heater should be the same size or bigger than the hot water line from the water heater. The pipe sizing for hot water supply systems should be carried out by persons competent to do so, choosing the most suitable pipe size for each individual application.
- Page 48 CONNECTIONS – PLUMBING EXPANSION CONTROL VALVE Local regulations may make it mandatory to install an expansion control valve (ECV) in the cold water line to “Water the water heater. In other areas, an ECV is required if the saturation index is greater than +0.4 (refer to Supplies”...
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Page 49: 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 50 CONNECTIONS – ELECTRICAL The booster heating unit may be connected to an Off-Peak (overnight) electricity supply, however this will only allow the booster to heat the water overnight. If this type of connection is considered, care must be taken to ensure there is sufficient boost capacity to meet the household’s full day and night’s hot water supply during periods of no or low solar gain, particularly in cold weather.
- Page 51 CONNECTIONS – ELECTRICAL BOOSTER CONTROL The isolating switch(s) installed at the switchboard and adjacent to the solar storage tank (if installed) should be left switched on. Leaving the isolating switch(s) 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.
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Page 52: Commissioning
COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The power supply to the solar storage tank and solar control unit must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained. •... - Page 53 If there is a risk of freezing, then it is necessary to drain the solar collectors and solar hot and solar cold “Draining the Solar Collectors” pipes (refer to on page 56). • “Terms of the Solahart Warranty” Refer to on page 4. BLEEDING THE SOLAR COLLECTORS Upon completion of the installation, if the service...
- Page 54 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 55 COMMISSIONING DIAGNOSTIC FEATURES OF THE SOLAR CONTROLLER A solar monitor is located on the side of the solar control unit and houses a green and a red LED. The green LED, marked “Solar”, indicates the current operational mode of the solar water heater and the red LED, marked “Attention”, may indicate a potential fault mode.
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Page 56: Draining The Solar Collectors
DRAINING THE SOLAR COLLECTORS To drain the solar collectors and the solar hot and solar cold pipes: • Cover the solar collectors with an opaque material. • Open a hot water tap and allow the water to run for five (5) minutes immediately prior to draining the solar collectors. -
Page 57: Purging And Flushing The Solar Collectors
PURGING AND FLUSHING THE SOLAR COLLECTORS 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: •... - Page 58 This page is intentionally blank.
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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 Solahart unit Tank Serial No Date of manufacture Collector Serial No’s Comments Signature: Installer: Customer: Date... - Page 62 This page is intentionally blank.
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Page 64: Solahart Offices
55 Brodie Street Rydalmere, New South Wales, 2116 Australia www.solahart.com.au Australia For SERVICE Telephone - 1800 638 011 or your nearest Solahart Dealer For Sales Telephone - 1300 769 475 or your nearest Solahart Dealer Revision Date: 2023 May 122484 Rev-01...