Lutz ST - Battery Replacement and Maintenance

GB
42
4. Maintenance and servicing
4.1 Changing the batteries
The flow meter is running on 3 alkaline manganese batteries LR 1, SIZE N. The LCD display indicates the approaching
end of the battery life with the word „BATT“ 18.
+ If the „BATT“ display flashes, the batteries must be changed within 1-2 weeks.
Once the „BATT“ display is indicated permanently, the batteries require immediate changing.
Danger!
When changing the batteries in explosion hazard areas danger of explosion occurs!
Blast wave: Flying parts can cause death.
Change of battery only outside of hazardous location with appropriate tools. Only following battery
types are approved:
• VARTA High Energy; No. 4901; Size LR1
• VARTA Electronic Alkaline; No. 4001; LR1; LADY; N; AM5
• DURACELL ALKALINE; SIZE N; MN9100; LR1
• Energizer Alkaline; E90; LR1; N
Mounting steps:
1. Unscrew the battery compartment lid 20
2. Remove the batteries
3. Insert new batteries, checking for correct polarity 19
4. Screw the battery compartment lid 20
5. Press key RESET
+ If the flow meter is not used for longer periods, the batteries must be removed!
C. Operating unit