MODEL 346 INSTALLATION AND OPERATION MANUAL
Section i
Page i - 3
HA243821
Issue 5 Mar 98
Safety Notes
1.
Before any other connection is made, the protective earth terminal
shall be connected to a protec-
tive conductor. The Mains (supply voltage wiring must be terminated in such a way that, should it slip in the
cable clamp, the Earth wire would be the last to become disconnected.
WARNING!
ANY INTERRUPTION OF THE PROTECTIVE CONDUCTOR INSIDE OR OUTSIDE THE APPARA-
TUS, OR DISCONNECTION OF THE PROTECTIVE EARTH TERMINAL IS LIKELY TO MAKE THE
APPARATUS DANGEROUS UNDER SOME FAULT CONDITIONS. INTENTIONAL INTERRUPTION
IS PROHIBITED.
2.
Whenever it is likely that protection has been impaired, the unit shall be made inoperative and secured
against unintended operation. The nearest manufacturer's service centre should be contacted for advice.
3.
Any adjustment, maintenance and repair of the opened apparatus under voltage, should be avoided as far
as possible and, if inevitable, shall be carried out only by a skilled person who is aware of the hazard in-
volved.
4.
Where conductive pollution (e.g. condensation, carbon dust) is likely, adequate air conditioning/filtering/
sealing etc. must be installed in the recorder enclosure.
5.
Signal and supply voltage wiring should be kept separate from one another. Where this is impractical,
shielded cables should be used for the signal wiring.
6.
If the equipment is used in a manner not specified by the manufacturer, the protection provided by the
equipment might be impaired.
7.
For portable instruments, relays may be wired only to SELV-E
SYMBOLS USED ON THE RECORDER LABELLING
One or more of the symbols below may appear on the recorder labelling.
!
Refer to the Manual for instructions
Protective Earth
This recorder for ac supply only
This recorder for dc supply only.
Risk of electric shock