Dux 25V1 Owner's Manual

Contents

Dux 25V1 Owner's Manual Manual pdf 9 page image

RECOGNITION OF ABNORMAL OPERATION1. PRESSURE & TEMPERATURE RELIEF VALVE RUNNINGIt is not unusual for this to allow a small quantity of water to escape during the heatingcycle. The amount of discharge will depend on hot water usage. As a guide, if itdischarges more than 20 litres of water in 24 hours there may be a problem.Continuous trickle:Likely build up of foreign matter. Try gently raising the easing lever on the Pressure &Temperature relief valve for a few seconds. This may dislodge a small particle offoreign matter and rectify the fault. Release lever gently.Steady flow:Likely causes are excessive water supply pressure, a faulty Pressure & Temperaturerelief valve or a faulty thermostat. Turn off the electricity supply and contact your Duxagent.2. NO HOT WATERIs the Pressure & Temperature relief valve discharging too much water? See “Pressure& Temperature Relief Valve Running”.Do you have the correct size water heater for your requirements? Sizing details areavailable from your Dux supplier.Is one outlet (such as the shower) using more hot water than you think?Carefully review the family's hot water usage and if necessary check the shower flowrates with a bucket and a watch. If it is not possible to adjust water usage patterns, aninexpensive flow control valve can easily be fitted to the shower outlet.3. HIGH ELECTRICITY BILLSIs the Pressure & Temperature relief valve discharging too much water? See “Pressure& Temperature Relief Valve Running”.Is one outlet (such as the shower) using more hot water than you think? See “No HotWater”.Is there a leaking hot water pipe or dripping hot water tap? A small leak can waste alarge quantity of hot water.Replace faulty tap washers and have your plumber rectify any leaking pipework.