HEIDENHAIN ND 522 - Manual (Page 70)

70 II Technical Information
II
-
1
Installation,
and
Electr
ical
Connection
II - 1 Installation, and Electrical
Connection
Items Supplied
 ND 522/523 Display Unit
 Power connector
 Quick Reference Guide
 Tilt / Swivel Assembly
Accessories
 Mounting base
 Assorted Mounting Arm assembilies
ND 522/523 Display Unit
Mounting Location
Locate the unit in a well ventilated area such that it may be easily
accessed during normal operation.
Installation
A locking handle is used to secure the ND 522/523 from below on to
a mounting arm. The DRO mounting assembly comes complete with
swivel / tilt Kit: See "ND 522/523 Handle ID 618025-01" on page 89.
Electrical connection
There are no serviceable items within this unit. Therefore,
the ND 522/523 must never be opened.
The length of the power cord is not to exceed 3 meters.
Connect a protective ground to the protective conductor
terminal on the rear of the unit. This connection must never
be interrupted.
Do not engage, or disengage any connections while the
unit is under power. Damage to internal components may
result.
Use only original replacement fuses.