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Owners Guide
and
Installation Instructions
Gas Domestic Indoor
Water Heater
This water heater must be installed and serviced by an authorised person.
Please leave this guide with the householder.
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Notice to Victorian Customers from the Victorian Plumbing Industry Commission. This water heater must be installed by a licensed person as required by the Victorian Building Act 1993. Only a licensed person will give you a Compliance Certificate, showing that the work complies with all the 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 Complia
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CONTENTS HOUSEHOLDER – We recommend you read pages 4 to 12. The other pages are intended for the installer but may be of interest. About Your Water Heater............................................................4 How Your Water Heater Works...................................................7 Regular Care ................................................................................8 Save A Service Call ...................................................................10 In
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ABOUT YOUR WATER HEATER MODEL TYPE ® Congratulations for choosing a Rheem water heater. The model you have chosen is suitable for indoor installation only. The model is either a 300 series ® Rheemglas or 620 series Heavy Duty 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 Heavy Duty maximum thermostat setting your hot water needs. Refer to “Temperature Ad
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ABOUT YOUR WATER HEATER WARNING This water heater is not intended to be operated, adjusted or tampered with by young children or infirm persons. Young children should be supervised to ensure they do not interfere with the water heater. SAFETY • Do not store flammable or combustible materials near the water heater. Flammable liquids (such as petrol), newspapers and similar articles must be kept well away from the water heater and the draught diverter. • Do not use aerosols, stain re
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ABOUT YOUR WATER HEATER TO TURN ON THE WATER HEATER • Open the cold water isolation 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 24). HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY? Installation requirements are shown on page 19. The water heater must be installed by an authorised person and the installation must comply with National St
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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 cylinder. A flue baffle in this flue ensures the efficiency of the water heater is correct. The gas supply to the burner is controlled by the thermostat so the water is heated to a
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REGULAR CARE TEMPERATURE PRESSURE RELIEF VALVE 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 of water from the valve and its drain line may indicate a problem with the water heater (refer to “Temperature Pressure Relief Valve Run
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REGULAR CARE 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 is very important you raise and lower the lever gently. The expansion control valve should be checked for performance or replaced at intervals
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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 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 think? Very often it is not realised the amount of hot water used, particularly when showering. Carefully review the family’s hot water us
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SAVE A SERVICE CALL TEMPERATURE PRESSURE RELIEF VALVE RUNNING • Normal Operation It is normal and desirable this valve allows a small quantity of water to escape during the heating cycle. However, if it discharges more than a bucket full of water in 24 hours, there may be another problem. • Continuous dribble Try gently raising the easing lever on the relief valve for a few seconds (refer to “Temperature Pressure Relief Valve” on page 8). This may dislodge a small particle of
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SAVE A SERVICE CALL 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. WATER HEATER APPEARS TO BE LEAKING When the water heater is first lit, or after a large usage of hot water, condensation may form on the burner of the water heater. This is quite normal, e
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INSTALLATION THIS WATER HEATER IS FOR INDOOR INSTALLATION ONLY. THIS WATER HEATER IS 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). Note: The 620 130 heavy duty water heater is designed for small commercial applications requiring sanitising temperatures and has a maximum temperature setting of 80 °C. This model should not be installed in a domestic residence. WATER HEATER LOCATION The
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INSTALLATION Keep the water heater and flue at least 25 mm clear of walls, cupboards, timber or any other combustibles and at least 500 mm clear of curtains and furnishings. The water heater is to be installed at floor level and must stand vertically upright. There are special requirements in AS 5601 for water heaters installed in a garage, an enclosed space and other locations. Remember all local authorities have regulations about putting water heaters into roof spaces. If i
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INSTALLATION TANK WATER SUPPLY If the water heater is supplied with water from a tank supply, then the bottom of the supply tank must be at least 1 m above the highest hot water outlet. Take care to avoid air locks. The cold water line to the water heater should be adequately sized and fitted with a full flow gate valve or ball valve. HOT WATER DELIVERY This water heater can deliver water at temperatures which can cause scalding. It is necessary and we recommend that a temperature li
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INSTALLATION CIRCULATED HOT WATER FLOW AND RETURN SYSTEM 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. Note: The thermostat must always be set to at least 60 °C. Refer to the diagram on page 16. Temperature Limiting Device A temperature limiting device cannot be installed in circulated hot water flow and return pipe work. The tempe
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INSTALLATION REDUCING HEAT LOSSES The cold water line to and the hot water line from the water heater must be insulated in accordance with the requirements of AS/NZS 3500.4. The insulation must be weatherproof and UV resistant if exposed. ANODE TYPES The correct anode type for the water supply being used must be fitted in the water heater (refer to “Water Supplies” on page 30). The black anode is fitted as standard. Total Dissolved Solids in water supply to the water heater Anode co
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INSTALLATION DIMENSIONS AND TECHNICAL DATA 300 135 Model 300 170 620 130 Storage capacity litres 135 170 kg Mass (tank) Empty 54 63 kg Full 189 233 Dimensions A B C D E F G H K L M 130 / 135 mm 1615 425 500 988 328 297 1490 58 490 213 75 170 mm 1915 425 500 1213 403 297 1790 58 490 213 75 Hourly Gas Min. Gas Test Point Gas Max. Gas Gas Details Consumption (MJ) Pressure (kPa) Pressure (kPa) Pressure (kPa) 130, 135 170 130 to 17
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INSTALLATION TYPICAL INSTALLATION – INDOOR LOCATION 19
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CONNECTIONS – PLUMBING CONNECTION SIZES • Hot water connection: RP¾/20. • Cold water connection: RP¾/20. • Relief valve connection: RP½/15. • Gas inlet: RP½/15. All plumbing work must be carried out by a qualified person and in accordance with the National Plumbing Standard AS/NZS 3500.4 and local authority requirements. All gas work must be carried out by a qualified person and in accordance with the Australian Gas Installations Standard AS 5601 and local authority requiremen
