5
– Maintenance
7
| Wiring Arrangements
Please ensure you read the paragraph: Special Specifications for use in
Explosive Atmospheres in Accordance with European Directive ATEX
2014/34/EU.
3-wire version (OLC 20d, OLCT 20d)
Figure 2
A
B
C
D
E
OLDHAM controller
OLC or OLCT 20
Grounding
Power supply Signal (I)
2-wire version (OLCT 20d)
Figure 3
A
B
C
D
E
OLDHAM controller
OLCT 20
Grounding
Power supply
Signal (I)
Summary of Contents for OLCT 20
Page 1: ...1 User manual OLCT 20 Part Number NPO20GB Revision E 0 The Fixed Gas Detection Experts...
Page 8: ...1 Overwiew 4...
Page 22: ...7 Accessories 18...
Page 28: ...8 Technical Specifications 24...
Page 29: ...9 EU Declaration of Conformity 25 EU Declaration of Conformity...
