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This water heater must be installed and serviced by a qualified person. 

Please leave this guide with a responsible officer. 

 

Owner’s Guide 

and 

Installation Instructions 

 
 
 

 

 
 
 

Gas Heavy Duty 

Water Heater 

260 litre models 

 

 

 

Summary of Contents for 260 Litre

Page 1: ...water heater must be installed and serviced by a qualified person Please leave this guide with a responsible officer Owner s Guide and Installation Instructions Gas Heavy Duty Water Heater 260 litre m...

Page 2: ...sure accuracy in preparation of this publication No liability can be accepted for any consequences which may arise as a result of its publication Warning Upon completion of the installation and commis...

Page 3: ...ended for the installer but may be of interest About Your Water Heater 4 Regular Care 8 Water Supplies 11 Save A Service Call 14 Installation 16 Connections Plumbing 25 Multiple Installations 28 Commi...

Page 4: ...rature for your hot water needs Refer to Temperature Adjustment on page 5 To meet the requirements of the National Plumbing Standard the temperature of the stored water must not be below 60 C If this...

Page 5: ...ter heater is supplied with a thermostat an over temperature cut out and a combination temperature pressure relief valve These devices must not be tampered with or removed The water heater must not be...

Page 6: ...on valve fully at the inlet to the water heater Open the gas isolation valve fully at the inlet to the gas control Light the water heater refer to Lighting the Water Heater on page 33 GOING ON HOLIDAY...

Page 7: ...r area or you are not sure of your water chemistry have your water checked against the conditions described on pages 11 to 13 HOW LONG WILL THE WATER HEATER LAST The water heater is supported by a man...

Page 8: ...on the water heater Warning Servicing of a water heater must only be carried out by qualified personnel Phone Rheem Service or their nearest Accredited Service Agent Note The annual service and routi...

Page 9: ...mmercial applications where large volumes of hot water are used sediment may build up on the bottom of the cylinder and reduce the heating efficiency In extreme cases particularly in areas of high wat...

Page 10: ...e once every six months It is very important you raise and lower the lever gently Warning Failure to do this may result in the water heater cylinder failing Warning Exercise care to avoid any splashin...

Page 11: ...the total dissolved solids TDS content in the water is less than 2500 mg L and when the correct colour coded anode is used If an incorrect colour coded anode is used in the water heater any resultant...

Page 12: ...for two or more weeks the following procedure should be carried out before using any electrical appliances automatic washing machines and dishwashers which are connected to the hot water supply The h...

Page 13: ...Y The water heater and its 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 followin...

Page 14: ...discharging too much water Refer to Temperature Pressure Relief Valve Running on page 15 Thermostat setting Ensure the thermostat setting is appropriate You may choose to adjust the thermostat upwards...

Page 15: ...vice 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 25 it may discharge a small quanti...

Page 16: ...r needs and building backup redundancy into the hot water supply system Note AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bacteria in potable water This...

Page 17: ...adequate air supply must be provided For efficient water heater operation allow two permanent openings into the room or enclosure each of at least 30 600 mm 2 for a 51 MJ model The distance between th...

Page 18: ...these horizontal distances cannot be achieved AS NZS 5601 1 states an equivalent horizontal distance measured diagonally from the nearest discharge point of the flue terminal to the opening may be de...

Page 19: ...Where a temperature limiting device is installed adjacent to the water heater the cold water line to the temperature limiting device can be branched off the cold water line either before or after the...

Page 20: ...ed hot water flow and return pipe If circulated tempered water were to be returned back to the water heater depending on the location of the return line connection on the water supply line to the wate...

Page 21: ...cally fitted as standard Total Dissolved Solids Anode colour code 0 40 mg L Green 40 150 mg L Green or Black 150 400 mg L Black 400 600 mg L Black or Blue 600 2500 mg L Blue 2500 mg L Blue no cylinder...

Page 22: ...ressure 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 Natural 51 1 13 1 00 3 50 Propane 47 2 75 2 70 3 50 Butane 39 2 75 2 70 3 5...

Page 23: ...INSTALLATION 23 TYPICAL INSTALLATION OUTDOOR LOCATION INSTALLATION HEAVY DUTY GAS OUTDOOR 260L...

Page 24: ...INSTALLATION 24 TYPICAL INSTALLATION INDOOR LOCATION...

Page 25: ...non return valve must be installed on the cold water line to the water heater An acceptable arrangement is shown in the diagram or on page 30 for multiple installations Refer also to Hot Water Delive...

Page 26: ...heater Connect the drain lines to the valves using disconnection unions The drain line from the valve to the point of discharge should be as short as possible have a continuous fall all the way from t...

Page 27: ...pipe size selection must take into account the gas input of this water heater refer to table on page 22 as well as all of the other gas appliances in the premises Warning Always isolate the water hea...

Page 28: ...ts of both AS NZS 3500 4 and the application 5 A non return valve isolation valve and if required a pressure limiting valve and expansion control valve must be installed on the cold water line to the...

Page 29: ...MULTIPLE INSTALLATIONS 29 Back to Back Manifold Single Bank of Water Heaters Multiple Banks of Water Heaters TPR Valve Drain Line Common Discharge Point Angle Manifold In Line Manifold...

Page 30: ...F INSTALLATION LAYOUT MINIMUM DIMENSIONS Notes Installation Layout Minimum Dimensions 1 A minimum of 900 mm E F should be left in front of the water heater for access servicing and water heater remova...

Page 31: ...MULTIPLE INSTALLATIONS 31 MANIFOLD ARRANGEMENT Hot Manifold Assembly Cold Manifold Assembly...

Page 32: ...or ignite when the water heater is turned on Explain to the householder or a responsible officer the functions and operation of the water heater GAS INLET PRESSURE IMPORTANT CHECK the gas supply press...

Page 33: ...series booster water heater for a solar water heater SAFETY INFORMATION A This water heater is equipped with an igniter button which lights the pilot When lighting the pilot follow these instructions...

Page 34: ...knob and check the pilot is still alight The pilot can be checked by looking through the large opening below the gas control 10 If the pilot has failed to light or has not remained alight turn the ga...

Page 35: ...e refer to Rheem Service or their nearest Accredited Service Agent If unable to get the water heater working properly contact Rheem Service or their nearest Accredited Service Agent When satisfied eve...

Page 36: ...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 A...

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Page 39: ...nstalled site shall be the owner s responsibility 2 5 Where the water heater is installed in a position that does not allow safe or ready access the cost of that access including the cost of additiona...

Page 40: ...efect and in any event within the applicable warranty period 4 2 You are not entitled to make a claim under this warranty if your water heater a Does not have its original serial numbers or rating lab...

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