User ManualTable of ContentsOwners Guide and Installation Instructions1Gas Heavy Duty Water Heater1265 Litre and 275 Litre Models1CONTENTS3ABOUT YOUR WATER HEATER4MODEL TYPE4HOW HOT SHOULD THE WATER BE?4HOTTER WATER INCREASES THE RISK OF SCALD INJURY.4TEMPERATURE ADJUSTMENT4WARNING5SAFETY5TO TURN OFF THE WATER HEATER6TO TURN ON THE WATER HEATER6HOW DO I KNOW THE WATER HEATER IS INSTALLED CORRECTLY?6DOES THE WATER QUALITY AFFECT THE WATER HEATER?7HOW LONG WILL THE WATER HEATER LAST?7ANODE PROTECTION7HOW YOUR WATER HEATER WORKS8MAINS PRESSURE8ELECTRONIC THERMOSTAT8HOT SURFACE IGNITION8REGULAR CARE9TEMPERATURE PRESSURE RELIEF VALVE9EXPANSION CONTROL VALVE9SERVICING10SAVE A SERVICE CALL11NOT ENOUGH HOT WATER (OR NO HOT WATER)11WATER HEATER NOT OPERATING12DIAGNOSTIC FEATURES OF ELECTRONIC THERMOSTAT12TEMPERATURE PRESSURE RELIEF VALVE RUNNING13EXPANSION CONTROL VALVE RUNNING13WATER HEATER APPEARS TO BE LEAKING14HIGH GAS BILLS14INSTALLATION15WATER HEATER LOCATION15INDOOR INSTALLATION16SAFE TRAY16OUTDOOR INSTALLATION17MAINS WATER SUPPLY18TANK WATER SUPPLY18HOT WATER DELIVERY18CIRCULATED HOT WATER FLOW AND RETURN SYSTEM19Temperature Limiting Device19REDUCING HEAT LOSSES20ANODE TYPES20SADDLING PIPE WORK21TYPICAL INSTALLATION – OUTDOOR LOCATION22TYPICAL INSTALLATION – INDOOR LOCATION23DIMENSIONS AND TECHNICAL DATA24CONNECTIONS – PLUMBING25CONNECTION SIZES25WATER INLET AND OUTLET25GAS INLET26PIPE SIZES26RELIEF VALVE26RELIEF VALVE DRAIN27EXPANSION CONTROL VALVE27CONNECTIONS – ELECTRICAL28THERMOSTAT SETTING28WIRING A POWER FLUED SYSTEM TO THE WATER HEATER29POWER FLUE EXTERNAL CONTROLS – INTERMITTENT OPERATION30POWER FLUE EXTERNAL CONTROLS – 24 HOUR OPERATION31MULTIPLE INSTALLATIONS32TYPICAL INSTALLATION – RHEEM HEAVY DUTY GAS WATER HEATERS34INSTALLATION DIMENSIONS – RHEEM HEAVY DUTY GAS WATER HEATERS35MANIFOLD ARRANGEMENT36COMMISSIONING37TO FILL AND TURN ON THE WATER HEATER37GAS INLET PRESSURE38TO TURN OFF THE WATER HEATER38LIGHTING THE WATER HEATER39LIGHTING PROCEDURE39DIAGNOSTIC FEATURES OF HOT SURFACE IGNITION CONTROL40TEST THE WATER HEATER AFTER INSTALLATION40BURNER PRESSURE ADJUSTMENT41AIR ADJUSTMENT41DRAINING THE WATER HEATER42TEMPERATURE CONTROL43HOTTER WATER INCREASES THE RISK OF SCALD INJURY.43RECIRCULATION SYSTEM43THERMOSTAT ADJUSTMENT44WATER SUPPLIES46ANODE46CAUTION46SATURATION INDEX46RHEEM MAINS PRESSURE WATER HEATER WARRANTY - AUSTRALIA ONLY47WARRANTY CONDITIONS47WARRANTY EXCLUSIONS47WARRANTY48Size: 804 KBPages: 48Language: EnglishOpen manual