Emerson Process Management 3420 Carbon Monoxide Alarm User Manual


 
Reference, Installation, and Operations Manual Section 3: Installation
3-9000-743 Rev S June 2013
For systems that use flame-proof cable 59
3.3.6 For systems that use flame-proof cable
1. Check to make certain that all power to the field wiring is turned OFF.
2. Remove the end cap nearest the cable entries to gain access to the Field Connection
Board.
3. Install the cable and cable gland.
4. Make all connections to the Field Connection Board.
5. Select the communications driver by setting the jumpers as shown in Table 3-7 through
Table 3-21.
6. Replace the end cap. If desired, secure the end caps to the body with seal wires. Lock
screws are also available on the end caps.
7. Connect a flow computer to the communications line on the Daniel Ultrasonic Gas Flow
Meter.
8. Connect electrical power to the unit.
9. Set or configure the software using Daniel MeterLink. For additional installation
information refer to the system wiring diagram
(see Appendix I).
HAZARDOUS VOLTAGE INSIDE ENCLOSURE
Do not open enclosure in flammable gas area. Disconnect all power to the meter.
Failure to do so may result in injury to personnel or cause damage to the equipment.