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Rheem 260 Litre manual

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Table of contents for the manual

  • Page 1

    This water heater must be installe d and serviced by an authorised person. Please leave this guide w ith a responsible officer. Owners Guide and Installation Instructions Gas Heavy Duty Water Heater 260 Litre Models[...]

  • Page 2

    PA TEN TS This water heater may be protected by one or m ore patents or registered designs. ® Registered trademark of Rheem Australia Pt y Ltd. ™ Trademark of Rheem Australia Pty Ltd. Notice to Victorian Customers from the Victorian Plumbing Industry Commission. This water heater must be installed by a licensed person as required by the Victoria[...]

  • Page 3

    3 CONTENTS HOUSEHOLDER – We recommend you read pages 4 to 13. The other pages are intended for the installer but may be of interest. About Your Water Heater ............................................................4 How Your Water Heater Works ...................................................8 Regular Care ...................................[...]

  • Page 4

    4 ABOUT YOUR WATER HEATER MODEL TYPE Congratulations for choosing a Rheem ® Heavy Duty Gas water heater. The model you have chosen is a quick recovery water heater. HOW HOT SHOULD THE WATER BE? The water heater features a user adjustable thermostat, which allows you to personally choose the most suitable temperature for your hot water needs. Refer[...]

  • Page 5

    ABOUT YOUR WATER HEATER 5 To increase the water temperature to 65 ° C, turn the gas control knob anticlockwise to a setting of ‘7’. Refer to “Hotter Water Increases the Risk of Scald Injury” on page 4. WARNING This water heater is not intended to be operated, adjusted or tampered with by young children or infirm persons. Young children sho[...]

  • Page 6

    ABOUT YOUR WATER HEATER 6 TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater: • Shut down the gas control (refer to “Close Down Procedure” on page 36). • Close the gas isolation valve at the inlet to the gas control. • Close the cold water isolation valve at the inlet to the water heater. TO TURN ON THE WATER HEA[...]

  • Page 7

    ABOUT YOUR WATER HEATER 7 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 replace if required. The suggested time after installation when the anode(s) should be in[...]

  • Page 8

    8 HOW YOUR WATER HEATER WORKS Water is stored in a vitreous enamel lined steel cylinder and heated by a gas burner located under the cylinder. The heat produced by the burner is transferred to the water through the base of the cylinder and through the wall of a flue pipe which passes through the centre of the cylin der. A flue baffle in this flue e[...]

  • Page 9

    9 REGULAR CARE TEMPERATURE PRE SSU RE R ELIEF VAL VE This valve is near the top of the water heater and is essential for its safe operation. It is possible for the valve to release a little water through the drain line during each heating period. This occurs as the water is heated and expands by approximately 1/50 of its volume. Continuous leakage [...]

  • Page 10

    REGULAR CARE 10 EXPANSION CONTROL VALVE In many areas, including South Australia, Western Australia and scaling water areas, an expansion control valve is fitted to the cold water line to the water heater. Water will flow from its drain line during the heating period. Operate the easing lever on the expansion control valve once every six months. It[...]

  • Page 11

    11 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 n ot related to manufacture or failure of a part. NOT ENOUGH HOT WATER (OR NO HOT WATER) • Are you using more hot water than you think? Is one outlet (especially the shower) using more hot water than you t[...]

  • Page 12

    SAVE A SERVICE CALL 12 CAN’T LIGHT THE PILOT FLAME • Is there gas to the water heater? Check the gas isolation valve on the gas supply line is open. • Is there a normal gas supply to the rest of the premises? Try lighting another gas appliance to check. If there is no gas, call the gas supplier. TEMPERATURE PRES SU RE RELI EF VAL VE RUN NI NG[...]

  • Page 13

    SAVE A SERVICE CALL 13 EXPANSION CONTROL VALVE RUNNING If an expansion control valve is fitted in th e cold water line to the water heater (refer to page 23 ) it may discharge a small quantity of water instead of the temperature pressure relief valve on the water heater. The benefit is that energy is conserved as the discharged water is cooler. WAT[...]

  • Page 14

    14 INSTALLATION THIS WATER HEATER I S 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). WATER HEATER LOCATION An indoor model must be installed indoors and an outdoor model must be installed outdoors. The water heater should be installed close to the most fr[...]

  • Page 15

    INSTALLATION 15 INDOOR INSTALLATION A secondary flue must be installed with an indoor water heater to d ischarge combustion products outside the building. The flue must be self supporting and not impose a load on the water heater. Use a slip joint or similar to allow for disconnection. There must be a vertical rise of 600 mm from the draught divert[...]

  • Page 16

    INSTALLATION 16 OUTDOOR INSTALLATION The water heater is to be installed at ground level on a concrete or brick plinth (fire proof base) and must stand vertically upright with the back of the water heater against an external wall or alternatively against a fireproof screen extending at least 500mm above, below and either side of the flue terminal. [...]

  • Page 17

    INSTALLATION 17 MAINS WATER SUPPLY Where the mains water supply pressure exceeds that shown in the table below, an approved pressure limiting valve is required and should be fitted as shown in the installation diagram (refer to diagram on page 23 ) . Model 260 Relief valve setting 1000 kPa Expansion control valve setting * 850 kPa Max. mains supply[...]

  • Page 18

    INSTALLATION 18 Two Temperature Zon es Using a Temperature Limiting De vice CIRCULATED HOT WATER FLOW AND RETUR N SYSTEM If a Rheem water heater is to be insta lled as part of a circulated hot water flow and return system, a storage water heater able to provide a hot w ater outlet temperature of at least 60 ° C must be used. Note: The thermostat m[...]

  • Page 19

    INSTALLATION 19 These conditions may result in either water at a temperature exceeding the requirements of AS/NZS 3500.4 being delivered to the hot water outlets in the ablution areas, or the device closing completely and not delivering water at all, or the device failing. Under either condition, the operation and performance of the device cannot b[...]

  • Page 20

    INSTALLATION 20 DIMENSIONS AND TECHNICAL DATA Indoor Outdoor Model 620 260 630 260 Storage capacity litres 260 260 Mass (tank) Empty kg 98 106 Full kg 358 366 Gas Details Hourly Gas Consumption (MJ) Min. Gas Pressure (kPa) Test Point Gas Pressure (kPa) Max. Gas Pressure (kPa) 620 260, 630 260 620 260, 630 260 620 260, 630 260 620 260, 630 260 Natur[...]

  • Page 21

    INSTALLATION 21 TYPICAL INSTALLATION – INDOOR LOCATION[...]

  • Page 22

    INSTALLATION 22 TYPICAL INSTALLATION – OUTDOOR LOCATION[...]

  • Page 23

    23 CONNECTIONS – PLUMBING CONNECTION SIZE S • Hot water connection: RP1¼/32. • Cold water connection: RP1¼/32. • Relief valve connection: RP¾/20. • Gas inlet: RP½/15. All plumbing work must be carried out by a qualified person and in ac cordance with the National Plumbing Standard AS/NZS 3500.4 and local authority requirements. All ga[...]

  • Page 24

    CONNECTIONS – PLUMBING 24 GAS INLET The gas connection is made to the left ha nd side of the gas control, th rough the grommet in the left hand side panel on outdoor models. The pipe work must be cleared of foreign matter before connection and purged before attempting to light the water heater. An isolation valve and disconnection union must be i[...]

  • Page 25

    CONNECTIONS – PLUMBING 25 RELIEF VALVE DRAIN A copper drain line must be fitted to the r elief valve to carry the disch arge clear of the water heater. Connect the drain line to the relief valve using a disconnection union. The pipe work from the relief valve to the drain should be as short as possible and fall a ll the way from the water heater [...]

  • Page 26

    26 MULTIPLE INSTALLATIONS A multiple installation of Rheem water heaters on a single manifold or multiple manifolds is possible, using the Rh eem Equa-Flow ® manifold system, where large volumes of hot water are required. The Equa-Flow principle will function with water heaters in line, around a corner or in rows back to back (refer to the diagram[...]

  • Page 27

    MULTIPLE INSTALLATIONS 27 Single Bank of Water Heaters Multiple Banks of Water Heaters TPR Valve Drain Line Common Discharge Point Back to Back Manifold An g le Manifold In Line Manifold[...]

  • Page 28

    MULTIPLE INSTALLATIONS 28 LEGEND TYPICAL INSTAL L ATION – RHEEM HEAV Y DUTY GAS WAT ER HEATERS[...]

  • Page 29

    MULTIPLE INSTALLATIONS 29 INSTALLATION DIMENSIONS – RHEEM HEAVY DU TY GAS WATER HEAT ERS NOTES: 1. Minimum recommended space between wall and back of water heater is 100 mm. 2. A minimum of 900 mm (E* & F*) should be left in front of the water heater for access, servicing and water heater removal. Installation Layout Mi nimum Dimensi ons Mode[...]

  • Page 30

    MULTIPLE INSTALLATIONS 30 MANIFOLD ARRANGEMENT Hot Manifold Assembly Cold Manifold Assembly[...]

  • Page 31

    31 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 wat er. • Open all of the hot water taps in the building (don’t forg et the showers) and supply cock(s) and valve(s) in the system. • Open the isolation valves fully on the cold and hot water branches to the wate[...]

  • Page 32

    COMMISSIONING 32 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 “Close Down Procedure” on page 36). • Close the gas isolation valve(s) at the inlet to the gas control(s). ?[...]

  • Page 33

    33 LIGHTING THE WATER HEATER FOR YOUR SAFETY READ BEFORE LIGHTING Warning: This gas water heater is designed to operate reliably and safely as long as the operating instructions are followed exactly . You must comply with these lighting instructions at every stage. Make sure the water heater is filled wi th water and the water suppl y is on, otherw[...]

  • Page 34

    LIGHTING THE WATER HEATER 34 LIGHTING INSTRUCTIONS Using the gas control light the water heater as follows: 1. Stop , read the safety information on page 33. 2. Turn the gas control knob fully clockwise to the “ z ” (off) position. 3. Wait five (5) minutes so any build up of unburnt gas can escape. If you then smell gas, stop and follow “C”[...]

  • Page 35

    LIGHTING THE WATER HEATER 35 The main burner will now automatically ignite when heating is required and extinguish when the water has been heated to the set temperature. If the main burner does not light at the selected setting, the water may already be at the selected temperature. Note: Never press the igniter button while the top knob is in a num[...]

  • Page 36

    LIGHTING THE WATER HEATER 36 CLOSE DOWN PROCEDU RE 1. Turn the gas control knob to the “ · ” position (pilot). This set ting will leave the pilot flame alight however the main burner will not be able to light. 2. Turn the gas control knob to the " z " (off) position. This setting shuts the gas control down completely.[...]

  • Page 37

    37 DRAINING THE WATER HEATER To drain the water heater: • Turn off the water heater (refer to “To Turn Off The Water Heater” on page 32). • Close all hot water taps. • Operate the relief valve release lever - do not let the lever snap back or you will damage the valve seat. Operating the lever will release the pressure in the water heater[...]

  • Page 38

    38 WATER SUPPLIES Your water heater is manufactured to suit the wate r conditions of most Australian metropolitan supplies. However, there are some known water supplies which can have detrimental effects on the water heater and its operation and/or life expectancy. If you are unsure of your water quality, you can obtain information from your local [...]

  • Page 39

    39 RHEEM MAINS PRESSURE WATER HEATE R WARRANTY – AUSTRALIA ONLY – WARRANTY CONDITIONS 1. This warranty is applicable only to water heaters manufactured from 1 st September 2005. 2. The water heater must be installed in accordance with the Rheem water heater installation instructions, supplied with the water heater, and in accordance with all re[...]

  • Page 40

    RHEEM MAINS PRESSURE WATER HEATE R WARRANTY – AUSTRALIA ONLY – 40 WARRANTY Rheem will: a) Repair or, if necessary replace any Rheem water heater; or b) Replace any component (or, if necessary, arrange the installa tion of a new water heater), which falls within the Warranty Periods specified below , subject to the warranty conditions and exclus[...]