Assembled equipment, 2 installation – KROHNE BM 26 BASIC-ADVANCED ATEX EN User Manual
Page 22
4
ASSEMBLED EQUIPMENT
22
BM 26 BASIC/ADVANCED
www.krohne.com
12/2011 - 4000347102 - AD ATEX BM 26 Bas-Adv R02 en
4.1.3 Categories
Equipment categories for assembled equipment:
• For data on equipment categories for the measuring chamber, refer to
Categories
on page 5.
• For data on equipment categories for the limit switch, refer to
Categories
on page 10.
• For data on equipment categories for the analog transmitter, refer to
Categories
on page 15.
4.2 Installation
4.2.1 Precautions
General notes
• For more data on the measuring chamber, refer to
Precautions
on page 6.
• For more data on the limit switch, refer to
Precautions
on page 12.
• For more data on the analog transmitter, refer to
Precautions
on page 17.
WARNING!
When you install the device, obey the conditions in the EC-Type Examination certificates for the
applicable equipment. These conditions include:
•
The special conditions for safe use.
•
The Essential Health and Safety Requirements.
WARNING!
Insulation of the limit switch
Insulation of the limit switch
Insulation of the limit switch
Insulation of the limit switch
The Ex data for this device is only applicable if you obey these instructions:
•
Do not cover the limit switch housing with insulation.
•
Make sure that there is approximately 15 mm / 0.6
¨
of empty space between the limit switch
and the insulation.
Figure 4-1: Limit switches and insulation for the measuring chamber
1 Limit switch housing
2 Insulation around the measuring chamber (cross-section)
3 Measuring chamber (cross-section)
Empty space between the limit switch and the insulation for the measuring chamber, a ≥15 mm /0.6¨.