RADWAG WTC/4 3000 C8/EX, Safety-Usage Manual

Page: 13 / 58

8. GETTING STARTED
8.1. Unpacking and placing
•
The scale should be unpacked outside the hazardous area.
•
Before moving the scale to the place of operation prepare a cable for earthing the
device against electrostatic charges.
Notice!!
In order to protect against gathering electrostatic charge it is necessary to
earth/zero the housing of the indicator.
Connect the earthing lead/wire to the place marked with „ ” .
See the manual for details about earthing.
•
Situate the scale in a destination place and connect earthing/zeroing.
NOTICE!
Mounting the indicator, placing the weighing platform and earthing/zeroing
should be performed when the explosive atmosphere cannot appear.
Indicators with cable can be mounted on the rack, on the wall or on the table using
a special holder.
Weighings platform should be placed on even and stable ground far from sources of hit
and draughts. It should be also levelled out using the feet..
8.2. Connecting of supplier
1. Place the power supplier behind the hazardous area
2. Connect the plug that terminates the supply cable (up to 20m) to the socket marked
as DC IN
3. connect the supplier to mains (230V AC)
4. In case of not using the scale unplug it from the mains
NOTICE:
•
Scales with PUE C/31H/EX indicators can be supplied only from ZRi02 power
suppliers II (2) G [EEx ib] IIC 06ATEX251 of RADWAG production, placed
outside the hazardous area or another with identical parameters of the supply
circuit (intrinsic safety).
- 13 -