Siemens TC12 Installation, Commissioning And Maintenance Handbook page 3

In the interests of health and safety, when using or servicing this equipment the
following instructions must be noted and adhered to:
Only skilled or instructed personnel with relevant technical knowledge and experience,
who are also familiar with the safety procedures required when dealing with modern
electrical/electronic equipment are to be allowed to use and/or work on the equipment.
All work shall be performed in accordance with the Electricity at Work Regulations 1989.
Such personnel must take heed of all relevant notes, cautions and warnings in this
handbook, the General Handbook (666/HB/43100/000) and any other document or
handbook associated with the equipment.
The equipment must be correctly connected to the specified incoming power supply.
The equipment must be disconnected/isolated from the incoming power supply before
removing protective covers or working on any part from which protective covers have
been removed.
The Outstation PCB contains a lithium battery that must be disposed of in a safe
manner. If in doubt as to the correct procedure refer to Siemens Instructions CP562
Only authorised/trained personnel are allowed to have access behind the doors/panels
of the TC12 Instation Cabinet. Users/operators must not attempt to access anything
behind these doors/panels.
Only an authorised/trained person (trained in the safety aspects of working on mains
powered equipment) is allowed to setup/change any switch positions in the Instation
equipment and/or use any of the free mains sockets within the equipment and/or
connect/use the TC12 Instation Test Set at the Instation.
If the Audible alarm on the system fault indication panel (SIP) sounds it should be
cancelled as required from the UTC TCC terminal. If the reason for the alarm is a
UTC TCC failure, an authorised/trained person (trained in the safety aspects of
working with mains powered equipment), should be asked to cancel the audio alarm,
using the audio off switch on the PSU PCB.
666/HE/43100/000
TC12 Installation, Commissioning & Maintenance Handbook
SAFETY WARNING
Page iii Issue 10