Emerson Rosemount 370XA User manual

Quick Start Guide
9-00200-954, Rev B
November 2019
Rosemount™ 370XA Enclosure
Natural Gas Chromatograph

Safety messages
Observe all environmental and personal safety messages described in this document, warning labels on the analyzer, and your
company's operational safety requirements.
Rosemount 370XA Gas Chromatograph safety warnings
Observe these safety messages for the Rosemount 370XA Gas Chromatograph.
WARNING
EXPLOSION HAZARD
Failure to de-energize the analyzer may cause serious injury or death to personnel.
Do not open when energized or when an explosive atmosphere may be present.
Keep cover tight while circuits are live.
WARNING
EXPLOSION/FIRE HAZARD
Failure to observe this warning may cause serious injury or death to personnel.
Do not open when an explosive atmosphere may be present.
Do not open while energized.
Use supply cables or wires suitable for at least 176 °F (80 °C).
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end users’ equipment. This could
be intentional or unintentional and needs to be protected against.
Physical security is an important part of any security program and fundamental to protecting your system. Restrict physical access
by unauthorized personnel to protect end users’ assets. This is true for all systems used within the facility.
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Contents
Chapter 1 Specifications.................................................................................................................5
Chapter 2 Rosemount 370XA enclosure layout...............................................................................7
Chapter 3 Mounting the enclosure............................................................................................... 11
Chapter 4 Electrical connections.................................................................................................. 13
Chapter 5 Signal/power wiring to the junction box...................................................................... 17
Chapter 6 Power the heater......................................................................................................... 19
Chapter 7 Tubing connections - internal.......................................................................................21
Chapter 8 Tubing connections - external...................................................................................... 23
Chapter 9 Start up the Rosemount 370XA gas chromatograph..................................................... 25
Chapter 10 Configure and calibrate the Rosemount 370XA gas chromatograph............................. 29
Quick Start Guide Contents
9-00200-954 November 2019
Rosemount 370XA Enclosure iii

Contents Quick Start Guide
November 2019 9-00200-954
iv Emerson.com/Rosemount

1 Specifications
Minimum requirements
These are the minimum requirements for a typical installation. Please reference the Rosemount 370XA
Reference Manual for more details or call the factory for additional support.
•24 Vdc (21 Vdc to 30 Vdc)
•55 Watts startup, < 25 Watts steady state
Environmental temperature
•-4 to 140 ºF (-20 ºC to 60 ºC)
Heater standard power
•120 Vac or 230 Vac, 300 W
Junction box protection rating
•NEMA 4X
Carrier gas
•Must be regulated to 90 psig (6.2 BarG)
•Zero-grade helium
Actuation gas
•Must be regulated to 90 psig (6.2 BarG)
•Helium
•Nitrogen
•Clean, dry air
Quick Start Guide Specifications
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Specifications Quick Start Guide
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2 Rosemount 370XA enclosure layout
Figure 2-1: Rosemount 370XA Enclosure Layout Front
Callout Description Callout Description
A Rosemount 370XA Gas
Chromatograph
F Thermostat(1)
B LP5 calibration gas
cylinder(1)
G Sample boot
C Heater(1) H Signal/power junction box
D Power switch for heater(1) I¾-in. Conduit Nipple
E Thermostat junction box(1) Not shown Single stream sample
system
(1) Indicates optional equipment.
Quick Start Guide Rosemount 370XA enclosure layout
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Rosemount 370XA Enclosure 7

Figure 2-2: Rosemount 370XA Enclosure Layout - Left Side
Callout Description
J Frame
K¾-in. national pipe thread (NPT) Myers hub bulkhead
L Enclosure
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Figure 2-3: Rosemount 370XA Enclosure Layout - Right Side
Callout Description
M Drains/vent
N¼-in. stainless steel bulkheads
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Rosemount 370XA enclosure layout Quick Start Guide
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