1
ABB .................................................................................. 5
2
Introduction ..................................................................... 5
2.1
2.2
2.3
3
Safety ............................................................................... 6
3.1
3.2
Intended use ........................................................ 6
3.3
Improper use ....................................................... 6
3.4
3.5
3.6
3.6.1
3.7
(2014/68/EU) ....................................................... 7
3.8
Transport ............................................................. 7
3.9
3.10
3.11
3.12
3.13
3.14
Safety information for inspection and maintenance8
3.15
3.16
3.17
Disposal .............................................................. 9
3.17.1
3.17.2
4
4.1
4.2
Identification ........................................................ 9
4.3
Storage ............................................................... 9
4.4
Handling .............................................................. 9
5
6
6.1
7
7.1
7.2
7.3
8
Mounting ........................................................................ 13
8.1
IP rating ............................................................. 13
8.2
8.3
seals .................................................................. 14
8.4
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.6
8.6.1
flanges ............................................................... 19
8.6.2
8.6.3
8.6.4
8.6.5
8.6.6
8.7
8.8
8.9
8.10
8.11
8.12
clean liquids ....................................................... 27
8.12.2
suspension ........................................................ 27
8.12.3
8.12.4
8.12.5
water level) ......................................................... 29
9
9.1
9.2
9.3
9.4
Wiring ................................................................ 32
9.5
266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. B 3