Conteg LES-RACK-M1, Assembly And Service Manual, Page: 23 / 25

INSTALLATION
General provisions
Equipment LES-RACK-M1 is designated for the installation in closed spaces without the occurrence of
aggressive substances. The equipment must not be at risk of mechanical damage, the effects of direct
sunlight and working conditions outside the permitted limits. Before locating and installing, please read
the local fire and safety regulations.
Safety provisions
For protection against electric current, EN 50110-1 Operating and work on electric equipment applies.
The equipment must only be installed by certified subjects according to EC No. 842/2006 and instructed
at least according to Section 4 of Regulation No. 50/1978 Coll., or No. 51/1978 Coll. These subject must
not interfere with the circuits, parts of linked networks under the cover because there is a risk of an
electric shock. The equipment must not be put into operation without the initial revision.
Assembling the equipment
The equipment is constructed for universal installation in all types of 19" boxes. It must only be installed
by the face panel to the door of the box into special leading skids which are included.
The skids are inserted between the front and rear 19 “bar or between the front 19 “bar and the frame of
the box. From the front the skid has 3 holes with M5 threads with the same pitch as the 1U drilling in
the 19 ”bar.
Fix the bar to the rear wall of the front 19 “bar using the conical headed M5 bolt. The remaining two
bolts are used to fix the LES-RACK-M1 and ejecting it into the skids and pushing it to the face of 19 “bar
The rear of the skid has a movable foot with a centric M5 hole for fixing to the rear bar or the frame of
the box
During assembly proceed so that the leading skids are fixed to the box first. Then connect all the
external equipment and consequently insert the LES-RACK-M1 by the side pins on the box into the
leading skids, push to the face of the 19 “bar and using 4 M5 bolts screw with the skid.
Before assembly make sure there is sufficient space for the assembly in the box. During assembly the
horizontal working position must be kept.
Filling, adding extinguishing liquid
The extinguishing liquid is filled or topped up through the LES-RACK-M1 filling hole on its rear. The hole
is accessible after removing the LES-RACK-M1 from the box.
Filling procedure:

Remove the LES-RACK-M1 from the box and turn it downwards so that the face for the filling hole is
upwards.

Remove (unscrew) the filling hole cover

Insert a funnel into the filling hole. The maximum diameter of the lower part of the neck of the funnel
is 14 mm.
Sliding foot
Guiding
groove
Bolt for fixing to the
19 “bar
Left skid
Fig. No. 8