Solahart Streamline 272RCS07X Owner's Manual And Installation Instructions
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Solahart Streamline 272RCS07X Owner's Manual And Installation Instructions

Electric solar ready water heater
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Streamline
Electric Solar Ready Water Heater
Owner's Guide
and
Installation Instructions
WARNING: Plumber – Be Aware – Solar Installation
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 Streamline Electric Solar Ready Water Heater Owner’s Guide Installation Instructions WARNING: Plumber – Be Aware – Solar Installation 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 52. 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.

  • Page 3: Table Of Contents

    Solahart warranty. We recommend you read pages 7 to 29, 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 5 600 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.

  • 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 If the over-temperature cut-out operates, it must not be reset and the water heater must be serviced by a qualified person. • Servicing of a water heater must only be carried out by qualified personnel. Phone your nearest Solahart Dealer. •...
  • 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.

  • Page 10: About Your Water Heater

    “Booster Control” Refer to on page 17. Solahart recommends this tradesperson adjustable thermostat is set at 60°C to maximise solar “Temperature Adjustment” contribution. Refer to on page 16.
  • Page 11 Solar only – 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 12 We recommend you seek advice from your local Solahart Dealer or specifier about your needs and building back-up redundancy into your hot water supply system.

  • Page 13: How Your Electric Water Heater Works

    HOW YOUR ELECTRIC WATER HEATER WORKS ELECTRIC WATER HEATER Water is heated by the electric immersion heating unit. The thermostat controls the temperature. The power supply to the heating unit connects directly to the terminal block and earth terminal via the penetration on the underside of the lower front cover.

  • Page 14: How Your Solar Water Heater Works

    SOLAR WATER HEATER The Solahart Streamline open circuit solar water heater system is designed for the solar collectors to be roof mounted and the vitreous enamel lined solar storage tank to be remotely installed at ground or floor level. The solar storage can be installed with Solahart L, LCS or CSA2007 solar collectors.
  • Page 15 HOW YOUR SOLAR WATER HEATER WORKS Over-temperature operation The purpose of the Over-temperature operation is to reduce the amount of overheating or ‘stagnation’ of water in the solar collectors. When the water in the solar storage tank has reached 70°C to 75°C and the circulator has deactivated, the solar collectors will continue to gain heat while solar energy is still available.
  • Page 16 70°C and a minimum temperature setting of 60°C. Solahart recommends the thermostat is set at 60°C to maximise solar contribution. We advise you to have a licensed electrical worker adjust the thermostat to the lowest setting which meets “Hotter Water...
  • Page 17 HOW YOUR SOLAR WATER HEATER WORKS 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 18 (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 19 4). Notes • A system with a frost element is not covered for freeze damage above 600 metres altitude by the Solahart warranty. • The freeze protection system will be rendered inoperable if electrical power is not available at the solar control unit.

  • Page 20: 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 21 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. 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.

  • Page 22: 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 23 The top heating unit, which is the booster heating unit for a solar water heater, must be of a low watts density type for the Solahart warranty to apply to the heating unit.
  • Page 24 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) >...

  • Page 25: 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 26 • 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 27 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 28 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 29 Refer to on page 15. 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.

  • Page 30: Installation - Water Heater

    INSTALLATION – WATER HEATER THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. INSTALLATION STANDARDS The water heater must be installed: • by a qualified person, and • in accordance with the installation instructions, and • in compliance with the Plumbing Code of Australia (PCA), Standards AS/NZS 3500.4 and AS/NZS 3000, and all local codes and regulatory authority requirements.
  • Page 31 Note: If the cylinder is damaged as a result of attaching pipe clips or saddles to the jacket, any resultant faults will not be covered by the Solahart warranty.
  • Page 32 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 33 (refer to on page 4). Note: The Solahart warranty against freeze damage applies only to systems installed in Australia. Victorian Installers Notice to Victorian Installers from the Victorian Building Authority if this solar water heater is installed in a new Class 1 dwelling in the State of Victoria.
  • Page 34 INSTALLATION – WATER HEATER HOT WATER DELIVERY Warning: This water heater can deliver hot water at a temperature up to 70°C when installed as an electric water heater, and when installed as a solar water heater up to 75°C during normal operation and on occasion the water temperature may exceed 75°C.
  • Page 35 INSTALLATION – WATER HEATER CIRCULATED HOT WATER FLOW AND RETURN SYSTEM The water heater when installed as either a standard electric water heater connected to an Off-Peak electricity supply or as a solar water heater, should not be installed as part of a circulated hot water flow and return system in a building.
  • Page 36 INSTALLATION – WATER HEATER In-series Boosting – Solar Water Heater If a solar water heater does not have its electric heating unit connected for in-tank boosting and is installed as a solar pre-heater to an in-series booster water heater, then the booster water heater can be used as the secondary water heater so long as it is able to provide a minimum hot water outlet temperature of at least 60°C and it is not connected to an Off-Peak or time controlled electricity supply.
  • Page 37 INSTALLATION – WATER HEATER Temperature Limiting Device A temperature limiting device cannot be installed in circulated hot water flow and return pipe work. The tempered water from a temperature limiting device cannot be circulated. Where a circulated hot water flow and return system is required in a building, a temperature limiting device can only be installed on a dead leg, branching off the circulated hot water flow and return pipe.
  • Page 38 INSTALLATION – WATER HEATER DIMENSIONS AND TECHNICAL DATA – ELECTRIC WATER HEATERS Nominal Tank Mass (kg) Storage Electric Models Empty Full Capacity 270RMX36E 270 litres 320RMX36E 320 litres Dimensions (mm) 270RMX36E 1395 1112 32° 88° 320RMX36E 1640 1317 32° 88° The tank model number has a three character suffix.
  • Page 39 INSTALLATION – WATER HEATER DIMENSIONS AND TECHNICAL DATA – SOLAR WATER HEATERS Nominal Tank Mass (kg) Boost Solar Models Storage Capacity Empty Full Capacity 270RMX36S 270 litres 140 litres 320RMX36S 320 litres 170 litres Dimensions (mm) 270RMX36S 1395 1112 32° 88°...
  • Page 40 INSTALLATION – WATER HEATER TYPICAL INSTALLATION STANDARD ELECTRIC WATER HEATER – OUTDOOR LOCATION TYPICAL INSTALLATION STANDARD ELECTRIC WATER HEATER – INDOOR LOCATION...
  • Page 41 INSTALLATION – WATER HEATER TYPICAL INSTALLATION SOLAR WATER HEATER – OUTDOOR LOCATION TYPICAL INSTALLATION SOLAR WATER HEATER – INDOOR LOCATION...

  • Page 42: Installation - Solar Control Unit

    Care must be taken when mounting the solar control unit and the conduit clips to the side of the solar storage tank. Use the self-tapping screws provided. If the cylinder is damaged as a result of mounting the solar control unit or conduit clips to the jacket, any resultant faults will not be covered by the Solahart warranty.
  • Page 43 INSTALLATION – SOLAR CONTROL UNIT SOLAR STORAGE TANK WITH RAISED SOLAR HOT INLET Numbers in parentheses refer to items on diagram on page 44 for a frost element model. To mount the solar control unit on the solar storage tank and connect the solar cold pipe: •...
  • Page 44 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 Drain”...
  • Page 45 INSTALLATION – SOLAR CONTROL UNIT To connect the solar controller wiring harness and conduit to the solar storage tank: Warnings – Risk of Electric Shock • Warning: If mains power is already connected to the water heater, switch off power at the water heater isolating switch before removing the lower front cover.
  • Page 46 INSTALLATION – SOLAR CONTROL UNIT exploded view assembled view wiring harness and conduit connection...

  • Page 47: Installation - Solar Collectors

    INSTALLATION – SOLAR COLLECTORS SOLAR COLLECTORS The system is suitable for installation with Solahart L, LCS or CSA2007 solar collectors. In Australia, systems with L solar collectors are suitable for installation in all climate zones. Collectors installed at an orientation greater than 60°...
  • Page 48 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 “Water Heater Location”...
  • Page 49 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 50 INSTALLATION – SOLAR COLLECTORS LATITUDE OF SOME AUSTRALIAN CITIES Adelaide 35°S Cairns 17°S Hobart 42°S Port Hedland 20°S Alice Springs 24°S Canberra 35°S Mildura 34°S Rockhampton 24°S Brisbane 27°S Darwin 12°S Melbourne 38°S Sydney 34°S Broken Hill 31°S Geraldton 28°S Perth 32°S Townsville...
  • Page 51 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 52 INSTALLATION – SOLAR COLLECTORS WARNING: Plumber – Be Aware – Solar Installation • 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. •...
  • Page 53 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.

  • Page 54: 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. Note: This water heater should not be installed as part of a circulated hot water flow and return system in a building.
  • Page 55 CONNECTIONS – PLUMBING SOLAR CIRCUIT WATER CONNECTIONS The water heater has two connections for the solar circuit, one located on the left hand side above the cold water inlet and the other on the lower right hand side opposite the cold water inlet. If the water heater is installed as an electric water heater, than these connections are to be plugged and capped.
  • Page 56 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. The temperature pressure relief valve must be fitted before the water heater is operated. Before fitting the relief valve, make sure the probe has not been bent.
  • Page 57 CONNECTIONS – PLUMBING The outlet of a drain line must be in such a position that flow out of the pipe can be easily seen, but arranged so discharge will not cause injury, damage or nuisance. The termination point of a drain line must comply with the requirements of AS/NZS 3500.4.

  • Page 58: 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 59 CONNECTIONS – ELECTRICAL A flexible 20 mm conduit is required for the electrical cable to the water heater. The conduit is to be connected to the unit with a 20 mm terminator. Standard electric water heater (single heating unit): The power supply to this water heater can be either an Off-Peak (overnight), Extended Off-Peak (overnight and day) or Continuous / Domestic Time of Use electricity supply.
  • Page 60 CONNECTIONS – ELECTRICAL Solar Control Unit The solar control unit, supplied with a 1.8 metre power cord, requires a switched 220 V - 240 V a.c. 50 Hz general purpose outlet (GPO) to be located within 1.2 metres of the installation. The GPO must have a continuous power supply originating from a circuit other than the water heater circuit.
  • Page 61 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.
  • Page 62 CONNECTIONS – ELECTRICAL WIRING DIAGRAM – STANDARD ELECTRIC WATER HEATER Bottom Opening of Standard Electric Water Heater WIRING DIAGRAM – SOLAR STORAGE TANK Top Opening of Solar Storage Tank Bottom Opening of Solar Storage Tank...

  • Page 63: 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 64 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 68). • “Terms of the Solahart Warranty” Refer to on page 4. BLEEDING THE SOLAR COLLECTORS Upon completion of the installation, if the service 3-way...
  • Page 65 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 66 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.

  • Page 67: Draining The Electric Water Heater

    DRAINING THE ELECTRIC 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 on page 64).

  • Page 68: 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 69: 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: •...
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  • Page 73: Solahart 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...
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  • Page 76: 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: 2024 May 122325 Rev-03...

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