User's Manual

33
Brand of ACOEM
6. BATTERY REPLACEMENT (SENSORS / EXPANDER)
Refer to Safety Instruction § 0
Standards applied:
EN60079-0 edition 2012
Atmosphères explosives Partie 0 : Matériel - Exigences générales
EN60079-11 edition 2012
Atmosphères explosives Partie 11: Protection de l’équipement par sécurité intrinsèque «i»
IEC 60079-0 : 2011 Edition: 6.0
Explosive atmospheres - Part 0: General requirements
IEC 60079-11 : 2011 Edition: 6.0
Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
Special condition for a safe use:
- -20°C ≤ Tamb ≤+85°C
- WARNING – USE ONLY SAFT LS33600 BATTERY. Only replace the primary cell in a
safe area
- The equipment must be installed so that it is protected against mechanical shocks.
- A damp cloth should be used when installing or taking off the sensors and expanders
in all hazardous areas to eliminate static electricity resulting from this operation.
Primary cell on page 9 before any battery replacement.
Only use SAFT LS33600 3.6 V primary lithium-thionyl chloride (Li-SOCl
2
)
D-size bobbin cell
Use of any other battery causes risk of explosion
Respect the orientation of the battery. A Mistake may result in short circuit of the cell.
Step 1. Open the sensor by unscrewing the protection tube. If the tube is hard to unscrew,
use a rubber strap wrench. Remove the old battery from the bottom side. Pull out
the seals (pinch up it to grab it).
Step 2. Prepare a new battery and 2 new seals. Use only primary cell SAFT LS33600 3.6
V lithium-thionyl chloride (Li-SOCl2) and O-ring seal NBR 70 SH Øint. 37.82mm [1
31/64 in] x Øtorus 1.78mm [1/16 in], UL MH25709 certified.
Step 3. Use a cardboard (business card) to help the battery to slip in place and avoid short
circuit.
Step 4. Start to insert the battery from the bottom. The battery must be installed in the
direction indicated by the polarity symbol.
Step 5. Push the top part to fully insert the battery in its housing.
Step 6. Place the new seals in the appropriate groove. Check that the battery is well
inserted and manually close the sensor with the protection tube.