Rheem 300 series Installation Instructions Manual
Gas domestic indoor water heater
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Also See for 300 series:
- Installation and owner's manual (40 pages) ,
- Use and care manual (20 pages) ,
- Owner's manual and installation instructions (76 pages)
Related Manuals for Rheem 300 series
Summary of Contents for Rheem 300 series
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Page 1: Owners Guide
Owners Guide 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. - Page 2 DO NOT leave this guide inside of the cover of the water heater, as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on.
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Page 3: Table Of 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 Installation...13... -
Page 4: About Your Water Heater
ABOUT YOUR WATER HEATER MODEL TYPE Congratulations for choosing a Rheem 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? - Page 5 Do not store swimming pool chemicals, household cleaners, etc., near the water heater. • Do not place anything on top of the water heater or in contact with the draught diverter. Ensure the draught diverter is not obstructed in any way at any time.
- Page 6 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. •...
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Page 7: How Your Water Heater Works
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 constant temperature. -
Page 8: Regular Care
– the Rheem Service Department or their lower gently Accredited Service Agent. The temperature pressure relief valve should be checked for performance or replaced at intervals not exceeding 5 years, or more frequently in areas where there is a high incidence of water deposits (refer to “Water Supplies”... - Page 9 SERVICING For safe and efficient operation, the water heater should be serviced annually by your nearest Rheem Service Department or their Accredited Service Agent. Only genuine replacement parts should be used on this water heater. Warning: Servicing of a gas water heater should only be carried out by...
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Page 10: Save A Service Call
• Water heater size Do you have the correct size water heater for your requirements? The sizing guide in the Rheem sales literature and on the Rheem website (www.rheem.com.au) WATER NOT HOT ENOUGH You may find that due to heavy hot water usage the water temperature may be lower than normally expected. - Page 11 Rheem Service Department or Accredited Service 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 20) it may discharge a small quantity of water instead of the temperature pressure relief valve on the water heater.
- Page 12 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, especially in winter months and will dry off as the water is heated.
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Page 13: Installation
The flue must be self supporting and not impose a load on the water heater. Use a slip joint or similar to allow for disconnection. There must be a vertical rise of 600 mm from the draught diverter before changing direction. - Page 14 If installed in a cupboard, an adequate air supply must be provided. For efficient water heater operation allow a free open space at both the top and bottom of the access door, each of at least: •...
- Page 15 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.
- Page 16 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.
- Page 17 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...
- Page 18 DIMENSIONS AND TECHNICAL DATA Model Storage capacity litres Mass (tank) Empty Full Dimensions 130 / 135 Hourly Gas Gas Details Consumption (MJ) 130, 135 Natural Propane Butane Town / TLP 29/27 Model numbers: N = Natural, P = Propane, B = Butane, T = Town / TLP. Letter N, P, B or T is included in the model number, eg 300135N0, to denote gas type.
- Page 19 INSTALLATION TYPICAL INSTALLATION – INDOOR LOCATION...
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Page 20: Connections - Plumbing
WATER INLET AND OUTLET All pipe work must be cleared of foreign matter before connection and purged before attempting to 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. - Page 21 An isolation valve and disconnection union must be installed to allow servicing and removal of the water heater. Refer to the Gas Installations Standard AS 5601 for the correct pipe sizing.
- Page 22 Local regulations may make it mandatory to install an expansion control valve (ECV) in the cold water line to the water heater. In other areas, an ECV is not required unless the saturation index is greater than +0.4 (refer to “Water...
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Page 23: Commissioning
COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The gas pilot or burner must not be lit until the water heater is filled with water. • Open all of the hot water taps in the house (don’t forget the shower). -
Page 24: Lighting The Water Heater
If the gas smell is throughout the area, turn the gas control knob clockwise to the “ ” (off) position and then turn off the isolation valve on the gas line to the water heater. Leave the area and call Rheem Service or a qualified service technician. - Page 25 LIGHTING THE WATER HEATER LIGHTING INSTRUCTIONS Using the gas control light the water heater as follows: Stop, read the safety information Turn the gas control knob fully clockwise to the “ ” (off) position. Wait five (5) minutes so any build up of unburnt gas can escape. If you then smell gas, stop and follow “C”...
- Page 26 Check the test point pressure and compare with the rating label. The pressure regulator is not adjustable and if the test point pressure is not within 5% of the specified value, refer to Rheem or their Accredited Service Agent. •...
- Page 27 LIGHTING THE WATER HEATER CLOSE DOWN PROCEDURE Turn the gas control knob to the “ ” position (pilot). This setting will leave the pilot flame alight however the main burner will not be able to light. Turn the gas control knob to the "...
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Page 28: Draining The Water Heater
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. - Page 29 This page is intentionally blank...
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Page 30: Water Supplies
In areas where the total dissolved solids (TDS) exceeds 600 mg/L it is possible the black anode, which is the standard anode fitted to the water heater, may be excessively active. To alleviate this, the black anode should be replaced with one colour coded blue. -
Page 31: Warranty
Accredited Service Agent, the cost of transport, insurance and travelling costs between the nearest Rheem REPAIR AND REPLACEMENT WORK WILL BE CARRIED OUT AS SET OUT IN THE RHEEM WATER HEATER WARRANTY, HOWEVER THE FOLLOWING EXCLUSIONS MAY CAUSE THE WATER HEATER WARRANTY TO BECOME VOID AND MAY INCUR A SERVICE CHARGE AND / OR COST OF PARTS. - Page 32 ** Refer to items 4 and 5 of warranty conditions. Rheem reserves the right to transfer fully functional components from the defective water heater to the replacement water heater if required. The term “water heater” used in the Warranty, Warranty Conditions and Warranty Exclusions means the Rheem supplied water heater(s), solar storage tank(s), solar collector(s), kit(s) and components.