42
Maintenance
Replacing the Batteries / Rechar-
geable Batteries
Switching off the device:
●
Keep the
key and the
key de-
pressed at the same time.
1
Loosen the screw (2.0 mm hexagon sok-
ket) on the power pack and remove the
power pack.
2
Replace the alkaline batteries with new
ones or rechargeable NiMHy batteries
with charged ones –
ensure correct po-
larity
.
3
Completely replace the power pack T4
(with sealed rechargeable batteries, or-
der no. 83 18 704).
●
Insert the power pack into the device and
tighten screw, the device is switched on
automatically.
After replacing the power pack T4, it is
recommended that a complete charging is
carried out.
After batteries have been replaced:
— The settings and data are stored when
the battery is replaced.
The sensors warm up again.
WARNING
Do not replace the batteries / rechargeable batteries in hazardous areas. Danger of explo-
sion!
Batteries / rechargeable batteries are part of the Ex approval. Only the following types may
be used:
Alkaline batteries – T4 – (not rechargeable!)
Energizer No. E91, Energizer No. EN91 (Industrial), Varta Type 4106 (power one),
Varta Type 4006 (Industrial)
NiMHy rechargeable batteries – T3 – (rechargeable)
GP 180AAHC (1800) max. 40
o
C ambient temperature.
WARNING
Do not throw used batteries into fire or try
to open them by force. Danger of explo-
sion!
Dispose of the batteries in accordance with
local regulations.
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