Installation and ConnectionNFM 600 - rev. 02 / 10.07.2019 page 3322.1.2 Charging the rechargeable battery packThe rechargeable battery is normally shipped in discharged condition.Fully charge the inserted battery prior to the initial instrument start.NIVUS recommend charging the battery outside of the instrument by using the poweradapter/battery charger to ensure 100 % of charging capacity. If built in, the battery willbe charged only up to approx. 75 %.WARNING Risk of explosion removing/inserting the battery pack in Ex areasAlways remove/insert the rechargeable battery pack outside of Ex areas. Never replace thebattery within an Ex area.Power adapter/battery chargerTo charge the rechargeable battery pack use the NIVUS power adapter/battery charger(Fig. 22-1 no. 1; NFM0 ZLAD) only. Observe the specifications attached on the poweradapter/battery charger.Using inappropriate battery chargers may destroy the battery (e. g. due to leaking of batterycells, explosion or similar).1 Power adapter/battery charger with connection cable for the multifunction socket onNFM or the charging tray2 LED indicating the charging statusFig. 22-1 Power adapter/battery chargerDisconnect the power adapter/battery charger (Fig. 22-1 no. 1) from mains power before youconnect/disconnect it to/from a rechargeable battery.The built-in LED (Fig. 22-1 no. 2) indicates the charging status.Colour/LED Status DescriptionYellow Charging processGreen Trickle chargingLED not lit Reversed polarity, short circuit or no mains powerCharging the inserted battery packSee chapter “22.1.4 Operation/Charging with direct connection to mains power”.Charging the removed battery pack Procedure:1. Plug the battery pack (Fig. 22-2 no. 1) into the charging tray (Fig. 22-2 no. 2)with the upside down.
