Teledyne 7500 - Infrared gas analyzer - operating manual - Manual (Page 4)

4 Model 7500 Instruction Manual
Teledyne Analytical Instruments
Caution on piping
DANGER In piping, the following precautions should be
observed. Wrong piping may cause gas leakage. If
the leaking gas contains a toxic component, there
is a risk of serious accident being induced. Also, if
combustible gas is contained, there is a danger of
explosion, fire or the like occurring.
• Connect pipes correctly referring to the
instruction manual.
• Exhaust should be led outdoors so that it will not
remain in the locker and installation room.
• Exhaust from the analyzer should be relieved in
the atmospheric air in order that an unnecessary
pressure will not be applied to the analyzer.
Otherwise, any pipe in the analyzer may be
disconnected to cause gas leakage.
• For piping, use a pipe and a pressure reducing
valve to which oil and grease are not adhering.
If such a material is adhering, a fire or the like
accident may be caused.
Caution on wiring
CAUTION • Wiring work must be performed with the main
power set to OFF to prevent electric shocks.
• Enforce construction of class-D rounding wire by
all means. If the specified grounding construction
is neglected, a shock hazard or fault may be
caused.
• Wires should be the proper one meeting the
ratings of this instrument. If using a wire which
cannot endure the ratings, a fire may occur.
• Be sure to use a power supply of correct rating.
Connection of power supply of incorrect rating may
cause fire.
Caution on use
DANGER • For correct handling of calibration gas or other
reference gases, carefully read their instruction
manuals beforehand. Otherwise, carbon monoxide
or other hazardous gases may cause an
intoxication particularly.
CAUTION • Before leaving unused for a long time or
restarting after left at such a status for an
extended length of time, follow the directions of
each instruction manual because they are different
from normal starting or shutdown. Otherwise, the
performance may be poor and accidents or injuries
may be caused.
• Do not operate the analyzer for a long time with
its door left open. Otherwise, dust, foreign matter,
etc. may stick on internal walls, thereby causing
faults.