Rheem Water Heater User Manual
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Rheem Water Heater User Manual

Rheem Water Heater User Manual

Rheem water heater user manual
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Owners Guide

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Installation Instructions

Solar Loline
Gas Boosted Water Heater
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 an authorised person.
Please leave this guide with the householder.

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Summary of Contents for Rheem Water Heater

  • Page 1: Owners Guide

    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 Valve manufacturer RMC recommends Dual Check Valve model N7150, as being suitable for this application. This water heater may be protected by one or more patents or registered designs. ® Registered trademark of Rheem Australia Pty Ltd. ™ Trademark of Rheem Australia Pty Ltd.

  • Page 3: Table Of Contents

    DO NOT leave this guide inside of the cover of the water heater, as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on.
  • Page 4 The green LED, marked “Solar”, indicates the current operational mode of the solar water heater and the red LED, marked “Attention”, indicates a fault mode. The green LED will emit either a constant glow or a series of flashes, with a 2 second interval between each series.
  • Page 5 SOLAR CONTROLLER AND SOLAR MONITOR COMMISSIONING 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 6 If the power supply to the solar control unit is on and the green LED is off or the red LED is flashing, this indicates there may be a fault with the water heater. The red LED may emit up to six flashes in each series of flashes.

  • Page 7: About Your Water Heater

    MODEL TYPE Congratulations for choosing a Rheem Loline™ water heater is designed for the solar collectors to be roof mounted and the solar storage tank to be installed at ground level. The solar storage tank is suitable for outdoor installation only and can be installed with Rheem NPT 200 solar collectors.
  • Page 8 5. WARNING This water heater is only intended to be operated by persons who have the experience or the knowledge and the capabilities to do so. This water heater is not intended to be operated by persons with reduced physical, sensory or mental capabilities i.e.
  • Page 9 Do not store swimming pool chemicals, household cleaners, etc., near the water heater. • Do not place anything on top of the water heater or in contact with the flue terminal. Ensure the flue terminal is not obstructed in any way at any time. •...
  • Page 10 (refer to TO TURN ON THE WATER HEATER • Open the cold water isolation valve fully at the inlet to the water heater. • If the solar collectors and solar hot and solar cold pipes have been drained, it will be necessary to bleed the collector circuit (refer to Collectors”...
  • Page 11 ANODE PROTECTION The anode(s) installed in your water heater will slowly dissipate whilst protecting the cylinder. The life of the water heater cylinder may be extended by arranging for an authorised person to inspect the anode(s) and replacing it if required.
  • Page 12 To purge air from the collector circuit: • Ensure the water heater is full of water and all of the hot taps are turned off. • Using a flat blade screwdriver, open the bleed valve (if it is...
  • Page 13 • The freeze protection system will be rendered inoperable if electrical power is not available at the water heater. Damage caused by freezing due to no power at the water heater, is not covered by warranty. •...

  • Page 14: How Your Water Heater Works

    HOW YOUR WATER HEATER WORKS The Rheem solar Loline system has its vitreous enamel lined solar storage tank installed at ground level, remotely from the solar collectors. As the sun heats the water in the solar collectors the increase in temperature activates the circulator.
  • Page 15 (refer to Operation” on page 16). If it is necessary to turn off the water heater, refer to “To Turn Off The Water Heater” period in excess of two (2) weeks it is recommended the solar collectors be covered.

  • Page 16: Regular Care

    1/50 of its volume. Continuous leakage of water from the valve and its drain line may indicate a problem with the water heater (refer to “Temperature Pressure Relief Valve Running” on page 23). Warning: Never block the outlet of this valve or its drain line for any reason.
  • Page 17 For safe and efficient operation the water heater should be serviced annually by your nearest Rheem Service Department or their Accredited Service Agent. Only genuine replacement parts should be used on this water heater. Warning: Servicing of a gas water heater should only be carried out by authorised personnel. COLLECTOR GLASS Ensure the glass on your solar collectors is free of dust, salt spray or any other matter, which may reduce the effectiveness of the solar collectors.
  • Page 18 FLUSHING THE SOLAR COLLECTORS It may be necessary to flush the solar collectors 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 collector(s) is lower. •...

  • Page 19: Timer Operation

    TIMER OPERATION FUNCTIONS OF THE TIMER The timer is an accurate, electronic device which allows up to six (6) ON-OFF periods to be set per day. It is recommended only one (1) period per day be programmed into the timer. This will be sufficient for most installations. The timer is not weatherproof and must be installed indoors.
  • Page 20 TIMER OPERATION The function of the timer is to enable the gas burner to automatically boost the stored water temperature, if required, due to low solar energy gain during the day. This will ensure the solar storage tank is full of hot water for the evening hot water requirements.
  • Page 21 TIMER OPERATION TO SET THE TIME • Press and hold the “TIME” button. • Press the “DAY” button to select the current day. • Press the “HR” button to select the current hour (Note: 24 hour clock). • Press the “MIN” button to select the current minute.
  • Page 22 Note: The program automatically sets after approximately two minutes if the “TIME” button is not pressed. Note: If the timer is not set with an ON-OFF period, the solar water heater will not boost automatically. If the “MAN” button is pressed to activate the manual boosting “OVERRIDE”...
  • Page 23 TIMER OPERATION MANUAL BOOSTING – “OVERRIDE” FUNCTION The timer also has an “OVERRIDE” function to allow for boosting the temperature of the water in the solar storage tank, outside of the set hours. • To activate manual boosting, press the “MAN” button once. The word “ON”...

  • Page 24: Save A Service Call

    48). • Gas burner not operating Inspect the isolating switch (adjacent to the water heater or at the switch board marked “HOT WATER” or “WATER HEATER”) and ensure it is turned “ON”. Note: Check the settings on the TIMER are sufficient to allow a full boosting cycle (2½...
  • Page 25 Warning: Hotter water increases the risk of scald injury. • Water heater size Do you have the correct size water heater for your requirements? The sizing guide sales (www.rheem.com.au) WATER NOT HOT ENOUGH You may find that due to heavy hot water usage or low solar energy gain the water temperature may be lower than normally expected.
  • Page 26 Rheem Service Department or Accredited Service Agent to arrange for inspection. EXPANSION CONTROL VALVE RUNNING If an expansion control valve is fitted in the cold water line to the water heater (refer to page 40) it may discharge a small quantity of water instead of the temperature pressure relief valve on the water heater.
  • Page 27 WATER HEATER APPEARS TO BE LEAKING When the water heater is first lit, or after a large usage of hot water, condensation may form on the burner of the water heater. This is quite normal, especially in winter months and will dry off as the water is heated.
  • Page 28 Consider recent changes to your hot water usage pattern and check if there has been any increase in tariffs since your previous account. IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, DEPARTMENT OR ACCREDITED SERVICE AGENT. running Relief “Not Enough CALL YOUR NEAREST “Timer Operation” RHEEM SERVICE...

  • Page 29: Installation – Solar Storage Tank

    THIS WATER HEATER IS FOR OUTDOOR INSTALLATION ONLY. THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. Check the water heater is suitable for the gas type available. (refer to the rating label on the water heater) The system is suitable for installation with Rheem NPT 200 solar collectors.
  • Page 30 Code of Practice for Installation of Gas Burning Appliances and the New Zealand Building Code. The water heater must not be installed in an area with a corrosive atmosphere where chemicals are stored or where aerosol propellants are released. Remember the air may be safe to breathe, but when it goes through a flame, chemical changes take place which may attack the water heater.
  • Page 31 * Expansion control valve not supplied with the water heater. 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 solar circuit system to operate.
  • Page 32 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...
  • Page 33 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 34 Circulated Hot Water Flow and Return System – Solar Water Heater REDUCING HEAT LOSSES The cold water line to and the hot water line from the water heater must be insulated in accordance with the requirements of AS/NZS 3500.4. The insulation must be weatherproof and UV resistant if exposed.
  • Page 35 SADDLING - PIPE WORK To prevent damage to the cylinder when attaching pipe clips or saddles to the water heater jacket, we recommend the use of self-drilling screws with a maximum length of 12 mm. Should pre drilling be required, extreme caution must be observed when penetrating the jacket of the water heater.
  • Page 36 Consumption (MJ) Natural Propane Butane Model numbers: N = Natural, P = Propane, B = Butane. Letter N, P or B is included in the model number, eg 531260N0, to denote gas type. RHEEM 531260 RHEEM 531260 Mass (tank): Recovery (Boost) 100 litres (natural gas @ 50°C rise)
  • Page 37 INSTALLATION – SOLAR STORAGE TANK TYPICAL INSTALLATION – OUTDOOR LOCATION...
  • Page 38 INSTALLATION – SOLAR STORAGE TANK ASSEMBLY OF SOLAR HOT AND SOLAR COLD PIPE CONNECTIONS • Use thread sealing tape or approved thread sealant. • All olive compression fittings must use brass or copper olives. • Ensure air bleed valve is open when filling collectors. •...

  • Page 39: 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 the solar collectors.
  • Page 40 INSTALLATION – SOLAR COLLECTORS • The installation must comply with the requirements of AS/NZS 3500.4 and all local codes and regulatory authority requirements. • Refer to the installation instructions supplied with the collector kit for details on the installation of the solar collectors. LATITUDE OF SOME AUSTRALIAN CITIES Adelaide 35°S Cairns...
  • Page 41 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 and fully insulated with closed cell polymer insulation or similar (minimum thickness 13 mm). Thicker insulation may be required to comply with the requirements of AS/NZS 3500.4.

  • Page 42: Connections – Plumbing

    An isolation valve and non return valve must be used on the cold water line to the water heater. A non-return valve must be fitted on the cold water supply to this water heater in compliance with Clause 5.9.1 of AS/NZS 3500.4. Due to...
  • Page 43 CONNECTIONS – PLUMBING A disconnection union must always be provided at the cold water inlet, solar cold water outlet, solar hot water inlet and hot water outlet on the water heater to allow for disconnection of the water heater. This water heater has either a...
  • Page 44 The pipe work from the relief valve to the drain should be as short as possible and fall all the way from the water heater with no restrictions. It should have no more than three right angle bends in it. Use DN15 pipe.
  • Page 45 Local regulations may make it mandatory to install an expansion control valve (ECV) in the cold water line to the water heater. In other areas, an ECV is not required unless the saturation index is greater than +0.4 (refer to “Water...

  • Page 46: Connections – Electrical

    Standards Australia Wiring Rules AS/NZS 3000 and local authority requirements. The water heater must be directly connected to a 240 V 50 Hz mains power supply. The continuous power supply to the solar control unit and the timer must be on the same circuit.
  • Page 47 14 Watts Solar circulator 36 Watts 30 Watts The water heater will only operate on a sine wave at 50 Hz. Devices generating a square wave cannot be used to supply power to the water heater. WIRING DIAGRAMS Comments Constant load...

  • Page 48: Commissioning

    TO FILL AND TURN ON THE WATER HEATER The power supply to the water heater must not be switched on and the gas pilot or burner must not be lit until the water heater is filled with water and a satisfactory megger reading is obtained.
  • Page 49 Upon completion of the installation, it is necessary to purge the air from the collector circuit. To purge air from the collector circuit: • Ensure the water heater is full of water and all of the hot taps are turned off. • Using a flat blade screwdriver, open the bleed valve fitted...
  • Page 50 COMMISSIONING TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater on completion of the installation, such as on a building site or where the premises is vacant, then: • Shut down the gas control (refer to •...

  • Page 51: Lighting The Water Heater

    You must comply with these lighting instructions at every stage. Make sure the water heater is filled with water and the water supply is on, otherwise serious damage to the vitreous enamel cylinder lining and plastic components may occur.
  • Page 52 LIGHTING THE WATER HEATER LIGHTING INSTRUCTIONS Using the gas control light the water heater as follows: Stop, read the safety information Turn the gas control knob fully clockwise to the “ ” (off) position. Wait five (5) minutes so any build up of unburnt gas can escape. If you then smell gas, stop and follow “C”...
  • Page 53 Note: Never press the igniter button while the top knob is in a numbered position. TEST THE WATER HEATER AFTER INSTALLATION • The operation of the water heater must be thoroughly checked by the installer. • The burner flame must light smoothly and quickly from the pilot flame, and must go out quietly and completely.
  • Page 54 LIGHTING THE WATER HEATER CLOSE DOWN PROCEDURE Turn the gas control knob to the “ ” position (pilot). This setting will leave the pilot flame alight however the main burner will not be able to light. Turn the gas control knob to the "...

  • Page 55: Draining The Solar Collectors

    47). • Using a flat bladed screw driver, open the bleed valve fitted adjacent to the solar hot water inlet of the water heater • Undo the compression fitting at the side of the air duct of the solar storage tank and disconnect the solar cold pipe.

  • Page 56: Draining The Water Heater

    • Open the drain cock using the handle. • Operate the relief valve again. This will let air into the water heater and allow the water to drain through the hose. “To Turn Off The Water Heater”...
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  • Page 59: Water Supplies

    In areas where the total dissolved solids (TDS) exceeds 600 mg/L it is possible the black anode, which is the standard anode fitted to the water heater, may be excessively active. To alleviate this, the black anode should be replaced with one colour coded blue.
  • Page 60 Where the saturation index exceeds +0.80, warranty does not apply to a solar collector unless a water softening device is installed.

  • Page 61: Warranty

    Rheem water heater. This warranty must be read subject to that legislation and nothing in this warranty has the effect of excluding, restricting or modifying those rights.

  • Page 62: Warranty Exclusions

    RHEEM SOLAR WATER HEATER WARRANTY - AUSTRALIA ONLY 1. REPAIR AND REPLACEMENT WORK WILL BE CARRIED OUT AS SET OUT IN THE RHEEM WATER HEATER WARRANTY, HOWEVER THE FOLLOWING EXCLUSIONS MAY CAUSE THE WATER HEATER WARRANTY TO BECOME VOID AND MAY INCUR A SERVICE CHARGE AND / OR COST OF PARTS.
  • Page 63 Repair or, if necessary replace any Rheem water heater; or b) Replace any component (or, if necessary, arrange the installation of a new water heater), which falls within the Warranty Periods specified below, subject to the warranty conditions and exclusions.

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