intgBefore use3CheckParticle filter is not dirty; Water trap & flue probe are empty of water; Water trap & redscrew plug are fitted to analyser; Flue probe hose is connected to flue gas inlet; Flueprobe temperature plug is connected to T1 temperature connectionFresh air purgePosition flue probe in fresh air & press “On/Off”Analyser auto-calibrates within 90 secondsSelect “Ratio” on dial. In fresh air CO reading = 0ppmSelect “O2/Eff” on dial. In fresh air 02 reading = 20.9%Select “Status” on dial to viewFor best pressure sensor accuracySwitch analyser on for 5 minutes to let temperature stabiliseZero pressure sensor when analyser in exact position it will be usedTo charge NiMH rechargeable batteriesSwitch offConnect the charger; charging indicator illuminatesDisplay shows “BATTERY CHARGING” if batteries need chargingConnections2Battery charger connectionWatertrap drain withred screw plugFlue probe temperature T1Inlet temperature T2Pressureconnection P1Pressureconnection P2(Differential)Flue gas inletFit spigot tohose beforeconnecting toflue gas inlet