Supplementary ATEX Installation Instructions
79
5.3
Electrical connection
5.3.1 General notes
WARNING! Read the following information carefully
WARNING! Disconnect power supply before wiring
• Do not use the earth terminal in the wiring compartment: use the
equipotential bonding system.
5.4
The Terminal Compartment Cover
5.4.1 Opening the cover
Procedure
1. Switch off power supply
2. Unscrew cover stop
3. Unscrew terminal compartment cover
5.4.2 Closing the cover
Warning: Ex d [ia] applications
Check that the terminal compartment cover is screwed tight and the
cover stop is fastened tightly to the cover.
5.5
Commissioning
5.5.1 Start-up checklist
Do not connect power until you have gone through the checklist
1. Are the wetted components (gasket, flange and probe) resistant to
the corrosive properties of the tank product?
2. Does the information given on the nameplate correspond with the
application?
3. Have you connected the equipotential bonding system correctly?
4. EEx i applications: Are you using an intrinsic barrier within the
correct parameters?
5. Did you install cable entries of the correct internal diameter so
that there is a good seal around the cable?
5.6
Service and maintenance
Maintenance in hazardous areas can ony be carried out by
• the manufacturer
• a Drexelbrook-authorized representative
• technicians under the supervision of authorized inspectors
For X.P. Modbus Installations, negative (-) loop must not 5 Volts
above ground.
Содержание Impulse GW Series
Страница 4: ...Contents...
Страница 6: ...Section 1...
Страница 16: ...Section 2...
Страница 25: ...Installation 19 2 6 Dual Compartment Housing...
Страница 26: ...Section 3...
Страница 56: ...Section 4...
Страница 82: ...Impulse Series 76 5 2 1 System Dimensions Continued...
Страница 83: ...Supplementary ATEX Installation Instructions 77 5 2 1 System Dimensions Continued...
Страница 84: ...Impulse Series 78 5 2 1 System Dimensions Continued...
Страница 86: ...Section 6...
Страница 92: ...Section 7...
Страница 93: ...Control Drawings 87 Section 7 Control Drawings 7 1 FM FMC Control Drawings...
Страница 94: ...Impulse Series 88 7 1 FM FMC Control Drawings Continued...
Страница 95: ...Control Drawings 89 7 2 ATEX Control Drawings...
Страница 96: ...Impulse Series 90 7 2 ATEX Control Drawings Continued...