42/24-10 EN Rev. 9 Chapter 4: Electrical Connection 4-15
Power Supply Line Connection – Safety Notes
CAUTION!
Follow all applicable national safety regulations for the preparation and
operation of electrical devices as well as the following safety precautions.
The gas analyzer voltage must be set to match the line voltage before the
power supply is connected.
The protective lead should be attached to the protective lead connector
before any other connection is made. The protective lead connection is
assured when the power cable supplied is used.
The gas analyzer can be hazardous if the protective lead is interrupted inside
or outside the gas analyzer or if the protective lead is disconnected.
Only fuses of the specified type and rated current should be used as
replacements. Never use patched fuses. Do not short-circuit the fuse holder
contacts.
If the power supply fuse fails, some power supply switch components can
still carry current.
Never connect line voltage to a 24-VDC analyzer module input. This will
destroy the analyzer module electronics.
Install a breaker near the gas analyzer in order to completely disconnect it
from the power supply. Mark the breaker so that its relationship to the
protected device is clear.
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