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Rheem 340SS Owner's Manual And Installation Instructions

Gas domestic outdoor water heater
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Owner's Guide
and
Installation Instructions
Gas Domestic Outdoor Water Heater
340 SS stainless steel model
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 340SS

  • Page 1 Owner’s Guide Installation Instructions Gas Domestic Outdoor Water Heater 340 SS stainless steel model This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
  • Page 2 PATENTS This water heater may be protected by one or more patents or registered designs in the name of Rheem Australia Pty Ltd or Aquamax Australia Pty Limited. TRADEMARKS ® Registered trademark of Rheem Australia Pty Ltd.

  • Page 3: Table Of Contents

    Rheem warranty. We recommend you read pages 8 to 25, and the terms of the Rheem warranty on pages 4 to 7. 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 RHEEM STAINLESS STEEL 8A0340 GAS MODEL Where the water heater is installed outside the boundaries of a metropolitan area as defined by Rheem or further than 25 km from either a regional Rheem branch office or an Accredited Rheem Service Agent's office, the cost of transport, insurance and travelling between the nearest branch office or Rheem Accredited Service Agent’s office and the installed site shall be the...
  • Page 6 3. WHAT IS COVERED BY THE RHEEM WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT Rheem will repair or replace a faulty component of your water heater if it fails to operate in accordance with its specifications as follows:...
  • Page 7 (from the rating label on the water heater). b) Rheem will arrange for the water heater to be tested and assessed on- site. c) If Rheem determines that you have a valid warranty claim, Rheem will repair or replace the water heater in accordance with this warranty.

  • Page 8: Safety, Warnings, Installation Notes

    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 9 Instructions. Servicing of a water heater must only be carried out by qualified personnel. • Phone Rheem Service or their nearest Accredited Service Agent. Only a person qualified to install or service a water heater can drain the water •...
  • Page 10 (6) months may result in the water heater cylinder failing. If water does not flow freely from the drain line when the lever is lifted, then the water heater must be checked. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
  • Page 11 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 Standard AS/NZS 3500.4, •  This water heater is suitable for outdoor installation only. ...

  • Page 12: About Your Water Heater

    It is a five star high efficiency, quick recovery Rheem 8A0340 model stainless steel water heater. Water is stored in a stainless steel cylinder and heated by a gas burner located under the cylinder.
  • Page 13 ABOUT YOUR WATER HEATER HOTTER WATER INCREASES THE RISK OF SCALD INJURY This water heater can deliver water at temperatures which can cause scalding. Check the water temperature before use, such as when entering a shower or filling a bath or basin, to ensure it is suitable for the application and will not cause scald injury.
  • Page 14 ABOUT YOUR WATER HEATER PIEZO IGNITION The “Piezo” push button igniter makes lighting the pilot flame of your water heater very easy. Simply follow the instructions on the label attached to the back of the access cover. There is no need for matches to light the water heater. PILOT IGNITER A permanent pilot flame burns to ignite the main burner automatically.
  • Page 15 ABOUT YOUR WATER HEATER GOING ON HOLIDAYS If you plan to be away from home for one or two nights, we suggest you leave the water heater turned on. However, if you plan to stay away more than a few nights, the gas knob can be set to the red star “...

  • Page 16: Maintenance Requirements

    Phone Rheem Service or their nearest Accredited Service Agent. Note: The service and routine replacement of any components, if required, 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 17 Note: The major service and routine replacement of any components, such as the relief valve(s), 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 18: Water Supplies

    Rheem warranty due to the water chemistry of the area. The list is not necessarily exhaustive and there may be areas outside of these postcodes where the stainless steel cylinder is not covered by the Rheem warranty due to the water chemistry of the area.
  • Page 19 Where the pH is less than 6.0 or greater than 9.5, the Rheem warranty does not apply to a stainless steel cylinder. Water with a pH less than 6.0 may be treated to raise the pH.
  • Page 20 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.
  • Page 21 WATER SUPPLIES TOTAL DISSOLVED SOLIDS The stainless steel cylinder of the water heater is not covered by the Rheem warranty when the total dissolved solids (TDS) content in the water is greater than 600 mg / L. Note: Some water analysis reports may state the conductivity of the water rather than the level of total dissolved solids.

  • Page 22: Save A Service Call

    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 in the Rheem sales literature and on the Rheem website (www.rheem.com.au) suggests average sizes that may be needed.
  • Page 23 SAVE A SERVICE CALL WATER NOT HOT ENOUGH Has your hot water usage increased? • You may find that due to heavy hot water usage the water temperature may be lower than normally expected. CAN’T LIGHT THE PILOT FLAME Is there gas to the water heater? •...
  • Page 24 – then stops until water reheats The gas control must be turned off using the knob on top of the gas control thermostat (refer to “Close Down Procedure” on page 47). Phone Rheem Service or nearest Accredited Service Agent to arrange for inspection.
  • Page 25 Has your water heating tariff rate been increased by your gas retailer since • your previous bill? Check your previous bill and compare gas rates and charges. IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, PHONE RHEEM SERVICE OR THEIR NEAREST ACCREDITED SERVICE AGENT.

  • Page 26: Installation

    INSTALLATION THIS WATER HEATER IS FOR OUTDOOR INSTALLATION ONLY. THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. This water heater is for connection to natural gas only. Check the water heater is suitable for the gas type available. Refer to the rating label affixed behind the access cover on the water heater.
  • Page 27 Note: Damage to the cylinder caused by incorrect installation is not covered by the Rheem warranty. The water heater must not be installed in an area with a corrosive atmosphere where chemicals are stored or where aerosol propellants are released.
  • Page 28 It is recommended to install a suitable filter on the cold water supply line to the water heater if the water supply contains or has a future risk of containing suspended solids. The Rheem warranty will not cover resultant faults on components including the stainless steel cylinder due to the effects of sludge...
  • Page 29 13 mm. Should pre drilling be required, extreme caution must be observed when penetrating the jacket of the water heater. 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 Rheem warranty.
  • Page 30 INSTALLATION WALL BRACKET It is recommended to secure the water heater to the wall. The top of the unit is to be secured to the wall (or screen) using the wall bracket provided. Use the M6.5 masonry anchor provided only if it is suitable for the wall type. Otherwise select and use an alternative fastener suitable for the application.
  • Page 31 INSTALLATION 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 and public areas such as a bathroom, ensuite or public amenities, to reduce the risk of scalding.
  • Page 32 INSTALLATION CIRCULATED HOT WATER FLOW AND RETURN SYSTEM If a Rheem water heater is to be installed as part of a circulated hot water flow and return system, a storage water heater able to provide a hot water outlet temperature of at least 60°C must be used. Note: The thermostat must always be set to at least 60°C.
  • Page 33 INSTALLATION TYPICAL INSTALLATION – OUTDOOR LOCATION...
  • Page 34 INSTALLATION DIMENSIONS AND TECHNICAL DATA Model 8A0340N0 Gas Details – Natural Gas Storage capacity litres Hourly Gas Consumption (MJ) Hourly recovery litres Min. Gas Supply Pressure (kPa) 1.13 (natural gas @ 45°C rise) First hour capacity * litres Burner Test Point Gas Pressure(kPa) 1.00 Mass (tank) Cartoned Max.

  • Page 35: Connections - Plumbing

    CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in compliance with the Standard AS/NZS 3500.4 and all local codes and regulatory authority requirements. All gas work must be carried out by a qualified person and in compliance with the Standard AS/NZS 5601.1 and all local codes and regulatory authority requirements.
  • Page 36 CONNECTIONS – PLUMBING HEAT TRAP The hot water outlet on the 8A0340 model is located on top of the water heater. An external heat trap is required be installed. The heat trap is to be within one (1) metre of the hot water outlet, before the first hot water branch and have a vertical drop of 250 mm from the outlet of the water heater.
  • Page 37 CONNECTIONS – PLUMBING EXPANSION CONTROL VALVE Local regulations may make it mandatory to install an expansion control valve in the cold water line to the water heater. In other areas, an expansion control valve is required if the saturation index is greater than +0.4 (refer to “Water Supplies” on page 18).
  • Page 38 Warning: Always isolate the water heater before pressure testing the gas supply system. Disconnect the water heater after the isolating cock to prevent the risk of serious damage to the gas control. The Rheem warranty does not cover damage of any nature resulting from failure to observe this precaution.

  • Page 39: Commissioning

    COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The gas pilot or burner must not be lit until the water heater is filled with water. • Open all of the hot water taps in the house (don’t forget the shower). •...
  • Page 40 COMMISSIONING GAS INLET PRESSURE IMPORTANT – CHECK the gas supply pressure at the inlet to the water heater with the water heater and all other gas burning appliances in the premises operating (burners alight). The minimum gas supply pressure for Natural Gas is 1.13 kPa. If this minimum cannot be achieved, it may indicate the meter or the gas line to the water heater is undersized.
  • Page 41 COMMISSIONING BURNER GAS PRESSURE TESTING AND ADJUSTMENT The burner gas pressure must be checked and adjusted (if required) as part of the commissioning procedure. Refer to gas details in the table on page 34 or check the rating label of the water heater for the burner test point pressure with the burner operating.
  • Page 42 After adjusting the burner gas pressure refit the temperature dial. Note: If the test point pressure cannot be adjusted to within 5% of the specified value, complete this procedure and phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.

  • Page 43: Lighting The Water Heater

    Turn the gas control knob clockwise to the “” (off) position, then turn off the isolation valve in the gas line to the water heater. Leave the area and call Rheem Service or a qualified service technician. Use only your hand to turn the gas control knob, never use tools. If the control knob will not turn by hand, call a qualified service technician.
  • Page 44 LIGHTING THE WATER HEATER LIGHTING INSTRUCTIONS Using the gas control light the water heater as follows: Stop, read the “Safety Information” on page 43. Remove the access cover by lifting the access cover up and then pulling the bottom of the cover away and down from the water heater. Depress the gas knob slightly and turn fully clockwise so the white dot “”...
  • Page 45 LIGHTING THE WATER HEATER Note: The next steps will cause the main burner to light, if the water in the tank needs heating. The flames may be noisy at first. This is normal and will cease after 2-5 seconds. Depress the gas knob slightly and turn it anticlockwise so the red line “l”...
  • Page 46 Supply Pressure Testing” and “Burner Gas Pressure Testing and Adjustment” on pages 40 and 41. If the test point pressure cannot be adjusted to within 5% of the specified value, refer to Rheem Service or their nearest Accredited Service Agent.
  • Page 47 LIGHTING THE WATER HEATER CLOSE DOWN PROCEDURE Remove the access cover by lifting the access cover up and then pulling the bottom of the cover away and down from the water heater. Depress the gas knob slightly and turn it clockwise so the red star “ ”...

  • Page 48: Draining The Water Heater

    DRAINING THE WATER HEATER Warning: Exercise care, as water discharged from the water heater may be of a very high temperature. To drain the water heater: • Turn off the water heater (refer to “To Turn Off The Water Heater” on page 42).
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  • Page 52 Revision Date: 2019 December AQ0901122–A...

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