KROHNE Summit 8800 Vol 1 - Manual (Page 28)

28 www.krohne.com 08/2013 - MA SUMMIT 8800 Vol1 R02 en
SUMMIT 8800 INSTALLATION AND REPLACEMENT 04
Some parts of the instrument such as circuit boards may be damaged by static electricity. When
handling internal parts of the instruments, ensure that anti-static precautions are taken. It is
therefore essential when carrying out any maintenance or installation work that an earthed
wrist strap be worn, or other such precautions, whenever internal parts of the instrument are
handled.
4 .2 .2 Earthing Requirements
The SUMMIT 8800 must be connected to a suitable ground or earth connection via the M4 earth
stud located at the rear of the chassis. See below for details.
4 .2 .3 Fuses and Battery
The SUMMIT 8800 has an internal fuse F1 and an externally accessible fuse F2 on the rear
panel. Fuse F1 protects the DC input circuits and can only be replaced by qualified personnel.
Isolate the main power to the SUMMIT 8800. Remove the rear panel as specified under Hard-
ware Details. Withdraw the PSU board and identify F1 as detailed in the figure below. Replace
fuse F1 only with a replacement fuse type:
Fuse F2 protects the DC output and can be replaced by all personnel. Isolate the main power