Noritz proTOUGH NR981-OD Owner's Manual

Also see for proTOUGH NR981-OD: Replacement Installation manual

Contents

Noritz proTOUGH NR981-OD Owner's Manual Manual pdf 25 page image

25Remote ControllerThe water temperature changesafter a power failure or when thepower is disconnected.The light on the power button doesnot come on.• Has there been a power failure?• Is the power connected properly?• The temperature setting and the flow meter alarm settingmay both need to be reset after a power outage.The fan can be heard afteroperation is stopped.A motor can be heard when turningthe unit ON or OFF, when openingor closing a fixture, or after the unithas been running for a while.• These noises indicate the proper operation of deviceswhich are designed to let the unit reignite more quickly,and ensure the water temperature is stable.The Heater stops burning duringoperation.• Are the gas and water supply valves fully open?• Is the water supply cut off?• Is the hot water fixture sufficiently open?• Is the gas being cut off by the gas meter?(Can other gas devices such as stoves be used?)• (For LP) Is there enough gas in the tank?(Can other gas devices such as stoves be used?)• This is normal. The white smoke is actually steam.White smoke comes out of theexhaust vent on a cold day.The hot water is turbid. • This is harmless. Small bubbles appear as the air in the wateris heated and depressurized rapidly to atmospheric pressure.OtherSoundsThe plastic on the surface or buttonsof the remote controller has torn,peeled, or air bubbles inside.• The surface of the remote controller is affixed with aprotective sheet (to prevent surface scratching, etc.) attime of shipment. This sheet can be removed or left as itis. When leaving the protective sheet on, areas frequentlytouched may tear or peel. However, the remote controllerwill not malfunction from water entering such torn orpeeled areas. To restore the appearance of the remotecontroller surface, simply remove the protective sheet.The water appears blueThe bath tub/wash-basin has turnedblue.• Coloration to a blue color may be noticed from small traces ofcopper ion contained in the water and fat (furring). However,there are not problems concerning health. Coloration of thebath tub/wash-basin can be prevented by cleaning frequently.[NR981-SV only]The fan can be heard when it isvery cold outside.• The fan may run to prevent freezing.