Manuals / Rheem / Household Appliance / Water Heater

Rheem 300 series Contents, HOUSEHOLDER - We recommend you read pages 4 to

Models: 300 series

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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
Connections – Plumbing	20
Commissioning	23
Lighting The Water Heater	24
Draining The Water Heater	28
Water Supplies	30
Warranty	31

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Contents

Owners Guide and Installation Instructions Gas Domestic Indoor Water HeaterPlease leave this guide with the householder PATENTS Notice to Victorian Customers from theVictorian Plumbing Industry Commission the Victorian Building ActHOUSEHOLDER - We recommend you read pages 4 to CONTENTSHOW HOT SHOULD THE WATER BE? TEMPERATURE ADJUSTMENTABOUT YOUR WATER HEATER MODEL TYPESAFETY TO TURN OFF THE WATER HEATERABOUT YOUR WATER HEATER ANODE PROTECTION TO TURN ON THE WATER HEATERDOES THE WATER QUALITY AFFECT THE WATER HEATER? HOW LONG WILL THE WATER HEATER LAST?PILOT IGNITER HOW YOUR WATER HEATER WORKSMAINS PRESSURE PIEZO IGNITIONwater heater REGULAR CARElift until water flows from the drain line - lower gently drain lineEXPANSION CONTROL VALVE SERVICINGREGULAR CARE Pilot flame alight? SAVE A SERVICE CALLThermostat setting NOT ENOUGH HOT WATER OR NO HOT WATERNEVER replace the relief valve with one of a higher pressure rating TEMPERATURE PRESSURE RELIEF VALVE RUNNING Normal OperationContinuous dribble Steady flows for long period often at nightHIGH GAS BILLS CAN’T LIGHT THE PILOT FLAMEIs there a normal gas supply to the rest of the premises? WATER HEATER APPEARS TO BE LEAKINGWATER HEATER LOCATION INSTALLATIONSAFE TRAY MAINS WATER SUPPLYINSTALLATION Two Temperature Zones Using a Temperature Limiting Device TANK WATER SUPPLYHOT WATER DELIVERY INSTALLATIONCirculated Hot Water Flow and Return System - Gas Water Heater CIRCULATED HOT WATER FLOW AND RETURN SYSTEMTemperature Limiting Device INSTALLATIONINSTALLATION REDUCING HEAT LOSSESANODE TYPES SADDLING - PIPE WORKModel DIMENSIONS AND TECHNICAL DATAINSTALLATION DimensionsINSTALLATION TYPICAL INSTALLATION - INDOOR LOCATIONCONNECTIONS - PLUMBING CONNECTION SIZESWATER INLET AND OUTLET CONNECTIONS - PLUMBING GAS INLETPIPE SIZES RELIEF VALVEEXPANSION CONTROL VALVE RELIEF VALVE DRAINA copper drain line must be fitted to the relief valve to carry the discharge clear of the water heater. Connect the drain line to the relief valve using a disconnection union. The pipe work from the relief valve to the drain should be as short as possible and fall all the way from the water heater with no restrictions. It should have no more than three right angle bends in it. Use DN15 pipe CONNECTIONS - PLUMBINGTO TURN OFF THE WATER HEATER COMMISSIONINGTO FILL AND TURN ON THE WATER HEATER GAS INLET PRESSUREFOR YOUR SAFETY READ BEFORE LIGHTING SAFETY INFORMATIONLIGHTING THE WATER HEATER Note Failure to wait five 5 minutes may result in a fire or explosion Using the gas control light the water heater as follows1. Stop, read the safety information on page LIGHTING INSTRUCTIONSTEST THE WATER HEATER AFTER INSTALLATION AIR SHUTTERLIGHTING THE WATER HEATER CLOSE DOWN PROCEDURE LIGHTING THE WATER HEATER1. Turn the gas control knob to the DRAINING THE WATER HEATER This page is intentionally blank Refer to the cold water connection detail on page WATER SUPPLIESANODE SATURATION INDEXRHEEM MAINS PRESSURE WATER HEATER WARRANTY AUSTRALIA ONLY WARRANTY CONDITIONSWARRANTY EXCLUSIONS RHEEM MAINS PRESSURE WATER HEATER WARRANTY AUSTRALIA ONLY WARRANTY