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
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Contents Quick Start Guide
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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
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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.
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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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3 Mounting the enclosure
Enclosure refers to the system (Rosemount 370XA Gas Chromatograph, heater, tubing, junction boxes, box
and the frame) and protects the system from the environment.
Prerequisites
•Required tools
—Forklift or slings
—Six ½-in. (12.7 mm) cement anchors.
•You must have a flat stable mounting surface capable of holding 280 lb. (127 kg) plus the weight of any
other equipment.
The customer must provide the mounting hardware.
Procedure
1. Drill holes in the mounting surface per the foundation layout (seeFigure 3-1).
Figure 3-1: Rosemount 370XA Frame and Foundation Layout
A. Optional cylinder
Quick Start Guide Mounting the enclosure
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Note
Minimum edge distance 18 in. (457.2 mm) (edge of concrete to edge of enclosure of all four sides).
2. Use a forklift or slings to place the enclosure on the mounting surface.
See Figure 3-2 for proper positioning of forklift tines or slings.
CAUTION
Lift the enclosure by the metal frame, not the glass fiber reinforced polyester box.
Figure 3-2: Proper Positioning of Forklift Tines or Slings
A. To lift, place forks or slings here.
3. Ensure that the enclosure's foot plate pre-drilled holes align with holes in the mounting surface.
4. Secure the enclosure to the mounting surface with the cement anchors.
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4 Electrical connections
Use Figure 4-1 and Figure 4-2 to make electrical connections.
DANGER
ELECTRICAL SHOCK
Power consumption is 220 volts. Electrical shock may occur if power is not shut off.
Use proper personal protective equipment (PPE) when making electrical connections. Observe all safety signs
posted on the equipment and have a certified electrician present.
WARNING
POWER SHUT OFF
Failure to connect the unit to the power supply may cause serious injury to personnel.
Power to the unit must be supplied by an approved power-rated circuit breaker.
WARNING
CRUSHING HAZARD
The enclosure lid is heavy. Failure to keep hands and fingers away from the openning may cause injury.
Keep hands away from the enclosure opening when raising or lowering the lid.
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Figure 4-1: Electrical Connections - Left Side View
A. AC power entry for heater power
B. Conduit entry provided for heat trace power connections
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Figure 4-2: Electrical Connections - Right Side View
A. DC power entry
B. Signal entry
Quick Start Guide Electrical connections
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Electrical connections Quick Start Guide
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5 Signal/power wiring to the junction
box
Customer connections are through the right side of the junction box. To select between RS-232 or RS-485
communication protocols, use the Rosemount 370XA local operator interface or the MON2020 software.
Refer to the Rosemount 370XA Reference Manual (PN 7P00370-H01) for complete details.
DC power and signal connections for the Rosemount 370XA gas chromatograph are made in the junction box
mounted under the enclosure housing (see Figure 2-2, Item L) .
Figure 5-1: Wiring to the Signal/Power junction box
Note
Wiring to be 18 AWG.
Customer must provide readily accessible main power.
Quick Start Guide Signal/power wiring to the junction box
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Signal/power wiring to the junction box Quick Start Guide
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6 Power the heater
Note
The heater is optional.
Connect the AC power for the heater to the switch located at the top left of the enclosure (see Figure 2-1,
Item D). Refer to Figure 6-1 to wire the heater.
Figure 6-1: Enclosure Heater Power Connection Wiring Diagram
A. Line
B. Neutral
C. Ground
D. Black
E. White
F. Ground
Quick Start Guide Power the heater
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Note
The heater may be 120 Vac or 230 Vac (300 Watts) depending on the option purchased. Ensure that the
correct voltage is applied.
Note
AC power wiring to be 12 AWG.
Power the heater Quick Start Guide
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