Rheem Electric Domestic Water Heater Installation And Owner's Manual
Electric domestic water heater
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Summary of Contents for Rheem Electric Domestic Water Heater
- Page 1 Owner’s Guide Installation Instructions Electric Domestic Water Heater 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. 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.
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Page 3: Table Of Contents
CONTENTS HOUSEHOLDER - We recommend you read pages 4 to 20. The other pages are intended for the installer but may be of interest About Your Water Heater ............4 Regular Care ................10 Water Supplies ................14 Save A Service Call ..............18 Installation .................. -
Page 4: About Your Water Heater
All other water heaters can be installed indoor or outdoor. Optima models have an extended manufacturer‟s warranty (refer to the Rheem warranty on page 41). Water is stored in a vitreous enamel lined steel cylinder and heated by the electric immersion heating unit. - Page 5 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 6 Owner‟s Guide and Installation Instructions. 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 7 ABOUT YOUR WATER HEATER SINGLE ELEMENT MODEL This type of water heater has one heating unit with its own thermostat. The heating unit is at the base of the water heater. Continuous electricity supply This type of connection is suited to where the storage capacity is less than the normal daily usage.
- Page 8 ABOUT YOUR WATER HEATER MAINS PRESSURE The water heater is designed to operate at mains pressure by connecting directly to the mains water supply. If the mains supply pressure in your area exceeds that shown on page 23, a pressure limiting valve must be fitted. The supply pressure should be greater than 350 kPa for true mains pressure operation to be achieved.
- Page 9 ABOUT YOUR WATER HEATER GOING ON HOLIDAY? If you plan to be away from home for one or two nights, we suggest you leave the water heater switched on. However, if you plan to stay away more than a few nights, conserve energy by switching the water heater off at either the switchboard or isolating switch.
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Page 10: Regular Care
Phone Rheem Service or their nearest Accredited Service Agent. Note: The five year service and routine replacement of any components, such as the anode and 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 11 Check the performance of the temperature limiting valve (RheemPlus model). Measure the water temperature from the hot tap nearest to the water heater with a thermometer. If the water temperature exceeds 50°C, phone Rheem Service or their nearest Accredited Service Agent to arrange for an “Temperature Limiting Valve”...
- Page 12 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 13 If the water being delivered is at a temperature exceeding 50°C, phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
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Page 14: Water Supplies
Rheem warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder. - Page 15 WATER SUPPLIES TOTAL DISSOLVED SOLIDS & CONDUCTIVITY (vitreous enamel lined water heater cylinder) no warranty applies warranty applies to a vitreous enamel lined water heater cylinder if the to a vitreous correct coloured anode is used for the TDS / conductivity level of water enamel lined water heater TOTAL DISSOLVED SOLIDS (TDS) - mg/L...
- Page 16 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 17 Those chemistries are listed below. If the water heater is connected at any time to a water supply with the following water chemistry, the Rheem warranty will not cover any resultant faults on the components listed below: Water Chemistry Component Total Dissolved Solids (TDS) >...
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Page 18: Save A Service Call
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 not related to the manufacture or failure of a part. NOT ENOUGH HOT WATER (OR NO HOT WATER) Is the electricity switched on? Inspect the isolating switch marked “HOT WATER”... - Page 19 Heavy flows of hot water until water heater is cold - then stops until water reheats The water heater must be switched off at the switchboard. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
- Page 20 “Single Element Model” “Twin For types of tariffs, refer to on page 7 and Element Model” on page 7. IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, PHONE RHEEM SERVICE OR THEIR NEAREST ACCREDITED SERVICE AGENT.
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Page 21: Installation
INSTALLATION THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING INSTALLATION STANDARDS The water heater must be installed: by a qualified person, and in accordance the installation instructions, and in compliance with Standards AS/NZS 3500.4, AS/NZS 3000 and all local codes and regulatory authority requirements. - Page 22 INSTALLATION WATER HEATER LOCATION A water heater with a supply cord and plug is suitable for indoor installation only. All other water heaters can be installed indoor or outdoor. Whether located outdoor or indoor, the water heater should be installed close to the most frequently used outlet and its position chosen with safety and service in mind.
- Page 23 INSTALLATION 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 30). 025 to 160 250 to 400 Model Relief valve setting...
- Page 24 INSTALLATION If a pressure limiting valve is installed on the cold water line to the water heater and the cold water line to a temperature limiting device branches off before this valve or from another cold water line in the premises, then a pressure limiting valve of an equal pressure setting may be required prior to the temperature limiting device.
- Page 25 A RheemPlus water heater cannot be installed as part of a circulated hot water flow and return system in a building. 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.
- Page 26 INSTALLATION Off-Peak or Time Controlled Electricity Supply A single or twin element electric water heater connected to an Off-Peak electricity supply should not be installed as part of a circulated hot water flow and return system in a building. The benefits of the Off-Peak electricity supply will be significantly reduced.
- Page 27 Rheem warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
- Page 28 INSTALLATION TYPICAL INSTALLATION – OUTDOOR LOCATION OUTDOOR LOCATIONS TYPICAL INSTALLATION – INDOOR LOCATION OUTDOOR LOCATIONS INDOOR LOCATIONS INDOOR LOCATIONS...
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Page 29: Dimensions And Technical Data
INSTALLATION DIMENSIONS AND TECHNICAL DATA Rheemglas and Optima RheemPlus Rheemglas Single Element 111025 111080 111125 111160 111250 111315 111400 191M50 Rheemglas Twin Element 162160 162250 162315 162400 Optima Single Element 411250 411315 411400 Optima Twin Element 462250 462315 462400 RheemPlus Single Element 121125 121160 121250... -
Page 30: Connections - Plumbing
CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in accordance with the Standard AS/NZS 3500.4 and all local codes and regulatory authority requirements. In New Zealand the installation must also conform with the New Zealand Building Code. - Page 31 CONNECTIONS – PLUMBING LEFT AND RIGHT HAND SIDE WATER CONNECTIONS The cold water supply, hot water supply and temperature pressure relief valve can be connected to either side of a water heater with both left and right hand side water connections. A kit is supplied with the water heater to plug off the unused cold, hot and temperature pressure relief valve fittings.
- Page 32 CONNECTIONS – PLUMBING TEMPERATURE PRESSURE RELIEF VALVE The temperature pressure relief valve is shipped either under the top flap of the water heater carton or behind the front cover or in a plastic bag attached to the water heater. The temperature pressure relief valve must be fitted before the water heater is operated.
- Page 33 CONNECTIONS – PLUMBING RELIEF VALVE DRAIN DN15 copper drain lines must be fitted to the temperature pressure relief valve and expansion control valve (if one is installed) to carry the discharge clear of the water heater. Connect the drain lines to the valves using disconnection unions.
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Page 34: Connections - Electrical
CONNECTIONS – ELECTRICAL The power supply to the water heater must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained. All electrical work and permanent wiring must be carried out by a qualified person and in accordance with the Wiring Rules AS/NZS 3000 and all local codes and regulatory authority requirements. - Page 35 CONNECTIONS – ELECTRICAL For reasons of safety and economy, we advise the thermostat be set at the lowest temperature that will provide sufficient hot water. Dishwasher running costs can be adversely affected if the thermostat is set below 65°C. Discuss the thermostat setting requirements with the householder.
- Page 36 CONNECTIONS – ELECTRICAL WIRING DIAGRAM TWIN ELEMENT ELECTRIC WATER HEATERS NON-SIMULTANEOUS OPERATION OFF-PEAK CONNECTION 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 Off-Peak or time controlled supply must be connected to the bottom heating unit circuit.
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Page 37: Commissioning
COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The power supply to the water heater must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained. Open all of the hot water taps in the house (don‟t forget the shower). Open the cold water isolation valve fully on the cold water line to the water heater. - Page 38 COMMISSIONING OUTLET TEMPERATURE COMPENSATION ADJUSTMENT – RHEEMPLUS The maximum outlet temperature of a RheemPlus water heater may be adjusted to compensate for temperature losses in the pipe work between the water heater outlet and sanitary fixtures. Warning: After adjustment of the temperature limiting valve, the water temperature MUST NOT exceed 50°C from the first tap in the hot water pipe work after the water heater used for personal hygiene purposes, such as in a bathroom or ensuite.
- Page 39 COMMISSIONING Turn the adjusting knob on the temperature limiting valve counter-clockwise (down away from the water heater), using a 6 mm Allen key. Turning the adjusting knob counter clockwise (down away from the water heater) increases the outlet water temperature, turning clockwise (up towards the water heater) decreases the...
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Page 40: 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: “To Turn Off The Water Heater” Turn off the water heater (refer to page 37). Close all hot water taps. -
Page 41: Warranty
2.1 The decision of whether to repair or replace a faulty component is at Rheem’s sole discretion. 2.2 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 42 2.9 If the water heater is not sized to supply the hot water demand in accordance with the guidelines in Rheem’s water heater literature, any resultant fault will not be covered by the Rheem warranty.
- Page 43 3. WHAT IS COVERED BY THE RHEEM 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:...
- Page 44 6.2 The Rheem warranty (set out above) is in addition to any rights and remedies that you may have under the Australian Consumer Law.