ABB ETL600 Instruction Manual page 180

ABB Switzerland Ltd
Caution
P1LA
DANGER
DANGER
Caution
hot surface
O4LE
DANGER
G4AI
DANGER
Caution
Caution
Commissioning
Caution
6-4
1KHW001489-EN
Power supplies connected to alarm relay contacts
must be short circuit and over current protected.
Hazardous voltages and/or hazardous energy level
at the heat sink.
Do not touch during operation.
Heat sink should not be touched with conducting
materials to avoid energy discharges and damage of
the power amplifier.
Hot surface at heat sink
The phone interface on the module O4LE generates
dangerous voltage up to 100 V. Don't operate the
module without upper and lower cover plate. Do not
touch the open pins of the service phone connector,
the leads of its cable, the pins of the external cable
connector and the leads of the external cable.
Hazardous voltages and/or hazardous energy level
on the module and the cable.
Do not touch the module and the cable leads.
Connecting a load between terminals NO (normally
open) and NC (normally closed) is not allowed.
Use only one contact set NO or NC.
Power supplies connected to alarm relay contacts
must be short circuit and over current protected.
Do not close/establish the connections to the
protection devices
commissioned.
November 2005
until NSD600 is
Assembly and Installation
ETL600
properly