Rosemount Information Bulletin: 700 and XA Series GC Power Source Wiring | Rosemount Manuals & Guides
Information Bulletin
CAUTION
15 amps is the maximum current for 14 AWG
(wire).
May 23, 2011 Model 700, XA Series Gas Chromatographs
Power source wiring
Follow these precautions when installing
power source wiring:
1. All wiring, as well as circuit breaker or
power-disconnect switch locations, must
conform to the CEC or NEC; all local,
state, or other jurisdictions; and company standards and practices.
2. Provide single-phase, three-wire
power at 120 or 240 VAC, 50-60 Hertz.
Note: You cannot use a three-phase AC
power source with the 1500XA; the
transformer cannot support the current
load.
Note: If you do not have a single phase,
three-wire AC power source, you must
purchase an isolation transformer. See
the schematic on the following page for
more information.
3. Locate in a safe area.
6. Use multi-stranded copper conductor
wire according to the following
recommendations:
• For power feed distances up to 250
feet (76 meters), use 14 AWG
(American Wire Gauge) (18 Metric
Wire Gauge), stranded.
• For power feed distances 250 to 500
feet (76 to 152 meters), use 12 AWG
(25 Metric Wire Gauge), stranded.
• For power feed distances 500 to
1000 feet (152 to 305 meters), use
10 AWG (30 Metric Wire Gauge),
stranded.
• Cable entries are M32 in accordance
with ISO 965.
4. Provide the 700XA and any optionally
installed devices with one 15-amp circuit
breaker for protection.
5. Ensure that the 24 VDC input power is
compliant with the Seperated Extra-Low
Voltage (SELV) standard by ensuring
suitable electrical separation from other
circuits.
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