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

Please leave this guide with the householder. 

Owner’s Guide 

and 

Installation Instructions 

 

Gas Domestic Outdoor 

Water Heater 

648 Series 

 

Summary of Contents for 648 135

Page 1: ...is water heater must be installed and serviced by a qualified person Please leave this guide with the householder Owner s Guide and Installation Instructions Gas Domestic Outdoor Water Heater 648 Seri...

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

Page 3: ...pages are intended for the installer but may be of interest About Your Water Heater 4 Regular Care 9 Water Supplies 13 Save A Service Call 17 Installation 20 Connections Plumbing 29 Commissioning 33 L...

Page 4: ...r is controlled by the thermostat so the water is heated to a constant temperature Automatic safety controls are fitted to the water heater to provide safe and efficient operation HOW HOT SHOULD THE W...

Page 5: ...he kitchen and laundry TEMPERATURE ADJUSTMENT The temperature adjusting dial is on the gas valve located behind the access cover on the lower front of the water heater A setting of 5 will normally mai...

Page 6: ...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 Do not store flammable or combustible mate...

Page 7: ...ould ensure that you have back up redundancy within the hot water system design This should ensure the continuity of hot water supply in the event that this water heater were to become inoperable for...

Page 8: ...he relevant Standards Only a licensed person will have insurance protecting their workmanship for 6 years Make sure you use a licensed person to install this water heater and ask for your Compliance C...

Page 9: ...heater The annual service includes the following actions Inspect and flush the temperature pressure relief valve Inspect and flush the expansion control valve if fitted Check and if necessary adjust...

Page 10: ...ef valve Inspect and flush the expansion control valve if fitted If required replace the valve Inspect and if required replace the anode If the anode is not replaced it should be replaced within three...

Page 11: ...lower the lever gently Refer to Expansion Control Valve on page 11 Check the drain line from the safe tray if one is installed is not blocked EXPANSION CONTROL VALVE In many areas including South Aus...

Page 12: ...e 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 splashing of...

Page 13: ...our coded anode is used If an incorrect colour coded anode is used in the water heater any resultant faults will not be covered by the Vulcan warranty In addition the use of an incorrect colour coded...

Page 14: ...ed public supply or another supply it is recommended the anode be replaced within 5 years of installation CAUTION If the water supply has a TDS greater than 150 mg L and a green anode has not been cha...

Page 15: ...t and for the Vulcan warranty to apply to the temperature pressure relief valve and water heater cylinder Water which is scaling may be treated with a water softening device to reduce the saturation i...

Page 16: ...ure the water supply meets the requirements given in these guidelines for the Vulcan warranty to apply SUMMARY OF WATER CHEMISTRY ADVICE AFFECTING WARRANTY The water heater and its components are not...

Page 17: ...ame is burning by removing the access cover Relight the pilot flame according to the lighting instructions Refer to Lighting the Water Heater on page 34 Temperature pressure relief valve running Is th...

Page 18: ...Never replace the relief valve with one of a higher pressure rating Heavy flows of hot water until the water heater is cold then stops until water reheats The gas control must be turned off using the...

Page 19: ...e feel your gas account is higher than expected we suggest you check the following points Is the relief valve running excessively Refer to Temperature Pressure Relief Valve Running on page 18 Is one o...

Page 20: ...ater WATER HEATER APPLICATION This water heater is designed for use in a single family domestic dwelling for the purpose of heating potable water Its use in an application other than this may shorten...

Page 21: ...s The water heater must also stand vertically upright with the back of the water heater against or within 25 mm of an external wall or alternatively against a fireproof screen extending at least 500 m...

Page 22: ...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 deemed to comply Check with the local re...

Page 23: ...ype and application The fasteners must be capable of bearing the weight of the water heater so it may neither work loose pull away from the wall nor impose any load on the gas and water pipe work conn...

Page 24: ...ere 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 is...

Page 25: ...ulated 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 water heater then either water will be suppli...

Page 26: ...ically 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 cylinde...

Page 27: ...as Consumption MJ Min Gas Pressure kPa Test Point Gas Pressure kPa Max Gas Pressure kPa 135 170 135 170 135 170 135 170 Natural 27 27 1 13 1 00 1 00 3 50 Propane 26 26 2 75 2 70 2 70 3 50 Model number...

Page 28: ...Heater 4 Star Dimensional Drawing Model 648 135 648 170 Storage capacity litres 135 170 Dimensions A mm 1558 1858 B mm 422 422 C mm 502 502 D mm 988 1213 E mm 328 403 F mm 298 298 G mm 1478 1778 K mm...

Page 29: ...operate the water heater All olive compression fittings must use brass or copper olives Use thread sealing tape or approved thread sealant on all fittings An isolation valve and non return valve must...

Page 30: ...use a wrench on the valve body use the spanner flats provided A copper drain line must be fitted to the temperature pressure relief valve refer to Relief Valve Drain on page 31 The valve must be insul...

Page 31: ...to local regulatory authority approval the drain lines from the temperature pressure relief valve and expansion control valve from an individual water heater may be interconnected The outlet of a dra...

Page 32: ...panel to the gas control 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 in...

Page 33: ...urned 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 pressure at the inlet to the water heater...

Page 34: ...r higher including when it is used as an in 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 l...

Page 35: ...l to reset 7 Keep the knob depressed for 20 seconds after the pilot flame lights 8 Release the knob and check the pilot is still alight The pilot can be checked by looking through the large opening be...

Page 36: ...test point pressure is not within 5 of the specified value refer to Rheem Service or their nearest Accredited Service Agent If unable to get the water heater working properly contact Rheem Service or...

Page 37: ...aps 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 Undo the union at the cold...

Page 38: ...at the fault is not covered by the Vulcan 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...

Page 39: ...akage from fittings and or pipe work of metal plastic or other materials caused by water temperature workmanship or other modes of failure 2 9 If the water heater is not sized to supply the hot water...

Page 40: ...ter or if that s unavailable the date of manufacture and serial number 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...

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