Installation; Rack Mounting; Electrical Connections - SAES NEG POWER User Manual

3. INSTALLATION

NEG POWER is designed to be mounted in a 19" standard rack.
Place the instrument away from heat sources. A gap of at least 5 cm must be left between the
sides of the unit and adjacent walls to ensure sufficient air flow to the cooling fan. When the NEG
POWER is installed inside a cabinet, the latter must be provided with vents capable of ensuring
adequate air exchange between the inside and the outside.
NEG POWER SMALL can be used mounted in a rack or also on a desk on its rubber feet.
For use on a desk the socket-outlet shall be installed near the equipment and shall be easily
accessible.
NEG POWER (standard size) can be installed exclusively in a rack and it can be connected to the
main line through the rack (it is not intended for direct connection to AC Mains Supply) and the
rack must be equipped with a disconnecting means (bipolar) from the power supply
3.1.

Rack mounting

Insert the instrument in the appropriate space (19" rack 3U according to DIN 41494 standard).
Fix the NEG POWER front panel on the rack columns with four M6 screws.
NEG POWER SMALL is half 19" rack large. It is prepared with lateral holes to fix it on rack with two
brackets.
ATTENTION: the instrument cannot be used in potentially flammable or explosive areas.
ATTENTION: to avoid damages of the electronic circuit use the instrument within the
environment specified conditions.
ATTENTION: do not place the equipment so that it is difficult to operate the disconnecting
device
ATTENTION: no type of fuse or internal component can be replaced or modified by the user.
ATTENTION: do not use accessories which are not supplied or recommended by the
manufacturer.
3.2.

Electrical connections

The connections for the pump, the input mains line, the interlock and the external interface are on
the rear panel of the instrument.
Before connecting the unit to the mains supply, make sure that supply voltage is within the range
specified in the section Electrical Specifications.
ATTENTION: protective earthing is required!
Plug the equipment into a supply outlet which has an earth connection.
ATTENTION: use only adequate rated cords to connect instrument to the mains supply
M.HIST.0101.23 R2 Page 9 of 36
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January, 26 2021