EverHot 271 SERIES, Owner'S Manual And Installation Instructions

Page 1: ...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 Electric Domestic Water Heater ...

Page 2: ...m Australia Pty Ltd TRADEMARKS Registered trademark of Rheem Australia Pty Ltd TM Trademark of Rheem Australia Pty Ltd Note Every care has been taken to ensure the accuracy in preparation of this publication No liability can be accepted for any consequences which may arise as a result of its application RHEEM AUSTRALIA PTY LTD A B N 21 098 823 511 www rheem com au For Service Telephone 131 031 AUS...

Page 3: ... the terms of the Everhot warranty on pages 4 to 7 The other pages are intended for the installer but may be of interest Warranty 4 Safety Warnings Installation Notes 8 About Your Water Heater 12 Maintenance Requirements 17 Water Supplies 19 Save A Service Call 23 Installation 26 Connections Plumbing 35 Connections Electrical 40 Commissioning 42 Draining The Water Heater 43 ...

Page 4: ...ections 2 and 3 and apply to water heaters manufactured from 1st February 2019 1 5 If a subsequent version of this warranty is published the terms of that warranty and what is covered by it will apply to water heaters manufactured after the date specified in the subsequent version 2 TERMS OF THE EVERHOT WARRANTY AND EXCLUSIONS TO IT 2 1 Rheem may reject a claim under this warranty in its sole disc...

Page 5: ...s warranty only applies to the original and genuine Everhot water heater in its original installed location and any genuine Everhot replacement parts 2 8 The Everhot warranty does not cover faults that are a result of a Accidental damage to the water heater or any component for example i Acts of God such as floods storms fires lightning strikes and the like and ii third party acts or omissions b M...

Page 6: ... any resultant fault will not be covered by the Everhot warranty 3 WHAT IS COVERED BY THE EVERHOT WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT 3 1 Rheem will repair or replace a faulty component of your water heater if it fails to operate in accordance with its specifications as follows What components are covered The period from the date of installation in which the fault must appear ...

Page 7: ... contact number and date of installation of the water heater 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 determines that you have a valid warranty claim Rheem will repair or replace the water heater in accordance with this warranty 5 2 Any expenses...

Page 8: ...elief valve These devices must not be tampered with or removed The water heater must not be operated unless each of these devices is fitted and is in working order The Everhot 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 DANGER The operation of the over temperature cut out on a thermosta...

Page 9: ...ding South Australia Western Australia and scaling water areas it is mandatory an expansion control valve is fitted to the cold water line to the water heater The expansion control valve will discharge the quantity of water from its drain line during the heating period instead of the temperature pressure relief valve as it has a lower pressure rating Valve Operation Continuous leakage of water fro...

Page 10: ...n inspection The temperature pressure relief valve should be replaced at intervals not exceeding five 5 years and the expansion control valve should be checked for performance or replaced at intervals not exceeding five 5 years The checking of the valves performance or replacement should occur more frequently in areas where there is a high incidence of water deposits Refer to Water Supplies on pag...

Page 11: ...e installing plumber and licensed electrical worker are contained on pages 26 to 42 Mains pressure water supply The water heater is designed to operate at mains pressure by connecting directly to the mains water supply The water heater is supplied with a temperature pressure relief valve with a pressure rating of 1000 kPa If an expansion control valve has been installed on the cold water line to t...

Page 12: ... fitted to the water heater to provide safe and efficient operation The water heaters have connections on either side of the tank Plugs block off the alternative connection points A 160 model has caps covering the plugs The plugs and caps and are not to be tampered with or removed HOW HOT SHOULD THE WATER BE The water heater features a tradesperson adjustable thermostat which allows you to choose ...

Page 13: ...to the kitchen and laundry THERMOSTAT The thermostat automatically controls the electricity supply to the heating unit so a constant temperature is maintained The thermostat and its protective over temperature cut out is mounted inside the front cover of the water heater There is no need to switch the water heater off when it is not in use except when you are on an extended holiday The thermostat ...

Page 14: ...ith its own thermostat One heating unit is at the base of the water heater and the other near the top Bottom heating unit During normal operation this heating unit supplies all the hot water Top heating unit Booster This heating unit only operates during periods of high demand to provide an additional supply of heated water Electrical connection The two heating units are wired for non simultaneous...

Page 15: ...hot water supply system TO TURN OFF THE WATER HEATER If you plan to be away from home for only a few nights we suggest you leave the water heater switched on If it is necessary to turn off the water heater Switch off the electrical supply at the water heater isolating switch on the switchboard or at the isolating switch at the water heater if installed Close the cold water isolation valve at the i...

Page 16: ...T THE WATER HEATER The water heater is suitable for most public water supplies however some water chemistries may have detrimental effects on the water heater its components and fittings Refer to Water Supplies on page 19 If you are in a known harsh water area or you are not sure of your water chemistry have your water checked against the conditions described on pages 19 to 22 HOW LONG WILL THE WA...

Page 17: ...mperature pressure relief 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 five 5 years of this service Refer to Anode Inspection and Replacement on page 20 Check the electric heating unit for excessive calcium build up or corrosion and replace if necessary...

Page 18: ...aised and lowered gently Refer to Relief Valves on page 9 Warning Water discharged from the temperature pressure relief valve drain line will be hot Exercise care to avoid any splashing of water by standing clear of the drain line s point of discharge when operating the valve s easing lever Operate the easing lever on the expansion control valve if fitted It is very important the lever is raised a...

Page 19: ...lour 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 Everhot warranty In addition the use of an incorrect colour coded anode may shorten the life of the water heater cylinder The correct colour coded anode must be selected and fitted to the water heater in accordance with the following advice and the Anode Selection...

Page 20: ...eater than 600 mg L and the anode has not been changed to a blue anode there is the possibility the anode may become overactive and hydrogen gas could accumulate in the top of the water heater during long periods of no use If under these conditions the water heater has not been used for two or more weeks the following procedure should be carried out before using any electrical appliances automatic...

Page 21: ...rature pressure relief valve and water heater cylinder Where the saturation index exceeds 0 80 the Everhot warranty does not apply to a standard watts density heating unit A low watts density heating unit must be used for the Everhot warranty to apply to the heating unit Water which is scaling may be treated with a water softening device to reduce the saturation index of the water Refer to the Sat...

Page 22: ... in these guidelines for the Everhot warranty to apply SUMMARY OF WATER CHEMISTRY ADVICE AFFECTING WARRANTY 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 following water chemistry the Everhot warranty will not cover any resultant faults on the components l...

Page 23: ...nt water heaters A twin element non simultaneous model must have power available to the top heating unit circuit at all times for the water heater to operate as designed Are you using more hot water than you think Is one outlet especially the shower using more hot water than you think Very often it is not realised the amount of hot water used particularly when showering Carefully review the family...

Page 24: ...e rating A benefit is that energy is conserved as the discharged water is cooler This valve is installed in the cold water line to the water heater refer to the cold water connection diagram on page 35 Continuous dribble Try gently raising the easing lever on the relief valve for a few seconds refer to Relief Valves on page 9 This may dislodge a small particle of foreign matter and clear the fault...

Page 25: ... leaking pipe work Has there been an increase in hot water usage An increase in hot water usage will result in an increase in water heater operation Has your water heating tariff rate been increased by your electricity retailer since your previous bill ELECTRICITY TARIFFS The electricity tariff to which your water heater is connected will determine the overall operating cost of the system It is im...

Page 26: ...materials must be removed from the water heater prior to its installation This includes the removal of the cardboard base of the carton from the underside of the water heater 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 its life If this water heater ...

Page 27: ...e base as acceptable to local authorities The base of the water heater is made of corrosion resistant material and it may be placed directly in contact with the supporting surface It is not necessary to allow for free air circulation under the base of the water heater Note The water heater should not be placed in direct contact with a concrete surface that is less than two months old and not fully...

Page 28: ...r ball valve ANODE The vitreous enamel lined cylinder of the water heater is only covered by the Everhot warranty when 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 faults will not be covered by the Everhot warranty In addition the use of an inco...

Page 29: ...ic areas such as a bathroom ensuite or public amenities to reduce the risk of scalding 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 isolation valve pressure limiting valve and non return valve to the water heater If an expansion control valve is...

Page 30: ...turn 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 water heater then either water will be supplied to the cold water inlet of the temperature limiting device at a temperature exceeding the maximum recommended water supply temperature or when the hot taps are closed no water will...

Page 31: ...ter The flow and return lines connect to the secondary water heater not the Off Peak electric water heater The secondary water heater makes up for the pipe heat loss in the flow and return system and must be able to provide a hot water outlet temperature of at least 60 C Note The thermostat or preset outlet temperature of the secondary water heater must always be set to maintain a temperature of a...

Page 32: ...PE 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 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 resultan...

Page 33: ...INSTALLATION 33 TYPICAL INSTALLATION OUTDOOR LOCATION TYPICAL INSTALLATION INDOOR LOCATION ...

Page 34: ...mm 1332 1112 1317 1479 E mm 104 73 113 121 F mm 66 103 103 105 G mm 988 1228 1323 H deg 23 32 32 30 J deg 58 88 88 83 M deg 92 92 97 TPR Valve Setting kPa 1000 1000 1000 1000 Weight cartoned kg 59 82 97 120 All models are suitable for either indoor or outdoor installation 271 series 160 models and 291 292 series 250 to 400 models have left and right hand dual handed DH water connections and a TPR ...

Page 35: ...alve and non return valve must be installed on the cold water line to the water heater An acceptable arrangement is shown in the diagram Refer also to Hot Water Delivery on page 29 and to Mains Water Supply on page 28 A disconnection union must always be provided at the cold water inlet and hot water outlet on the water heater to allow for disconnection of the water heater This water heater has ei...

Page 36: ... fitting Tighten the plugs using a 3 8 square driver Fit a plastic cap 160 models only with its insulation rubber disc over each plug PIPE SIZES To achieve true mains pressure operation the cold water line to the water heater should be the same size or bigger than the hot water line from the water heater The pipe sizing for hot water supply systems should be carried out by persons competent to do ...

Page 37: ...ning Do not use a pipe wrench or poor fitting tool on the valve body nor over tighten the valve as this could damage the valve and prevent safe operation Operate the easing lever on the valve to check the smooth operation of the valve plunger It is very important the lever is raised and lowered gently The lever should move smoothly and without undue force If the lever cannot be moved or is jerky i...

Page 38: ...e as short as possible have a continuous fall all the way from the water heater to the discharge outlet and have no tap valves or other restrictions in the pipe work A drain line from a relief valve must comply with the requirements of AS NZS 3500 4 A drain line must be no longer than nine 9 metres with no more than three bends greater than 45 before discharging at an outlet or air break The maxim...

Page 39: ... as for a drain line from a relief valve Warning As the function of the temperature pressure relief valve on this water heater is to discharge high temperature water under certain conditions it is strongly recommended the pipe work downstream of the relief valve be capable of carrying water exceeding 93 C Failure to observe this precaution may result in damage to pipe work and property ...

Page 40: ...Off Peak overnight and day or continuous electricity supply depending upon the size of the water heater Check with the local electricity supply authority as to their requirements An Off Peak overnight power supply will provide the maximum financial savings Discuss the power supply requirements with the householder A flexible 20 mm conduit is required for the electrical cable to the water heater Th...

Page 41: ...nts with the householder WIRING DIAGRAM TWIN ELEMENT ELECTRIC WATER HEATERS NON SIMULTANEOUS OPERATION OFF PEAK CONNECTION Top thermostat fixed setting 60 C Bottom thermostat tradesperson adjustable min 60 C max 70 C Electrical Circuit for Twin Element Models Robertshaw ST Thermostats The active from the continuous supply must be connected to the top heating unit circuit and the active from the Of...

Page 42: ... the easing lever on the temperature pressure relief valve to check the smooth operation of the valve plunger and that water discharges freely from the drain line It is very important the lever is raised and lowered gently The lever should move smoothly and without undue force If the lever cannot be moved or is jerky in its movement then the valve has been damaged and must be replaced Switch on th...

Page 43: ...et the lever snap back or you will damage the valve seat It is very important the lever is raised and lowered gently Operating the lever will release the pressure in the water heater Undo the union at the cold water inlet to the water heater and attach a hose to the water heater side of the union Let the other end of the hose go to a drain Open the relief valve by holding the lever in the raised p...

Page 44: ...Revision Date 2020 October 122266E 44 ...