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AARU ENGINEERS www.aaruengineers.com AARU ENGINEERS www.aaruengineers.com Normal domestic gas:LPG: propane and butane; Precautions: To avoid personal safety injury, Instrument damage and potential dangerous Coal Gas:hydrogen and carbon monoxide; Natural Gas:methane; accident; do not use portable gas detector before reading this manual.
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AARU ENGINEERS www.aaruengineers.com AARU ENGINEERS www.aaruengineers.com POWER: green POWER light shines show power on,,green POWER light flashes shows 3 Functions and Indications detecting the CO; W-UP:It will keep light for 5 minutes when plug in. FAULT: Yellow light shows the sensor fault.
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AARU ENGINEERS www.aaruengineers.com AARU ENGINEERS www.aaruengineers.com (sizeφ2) into the wall. Hang the appliance on the nail with the hanging hole as the 5.1.1. Plug in, (If ventilate fan, electro valve or other equipment is need to be connected, please connect corresponding circuit firstly.), then the green POWER light and yellow W - drawing below: UP light will be on.
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