4 installing the air barrier, 5 heater, 7 maintaining and cleaning – Videotec NXM User Manual
Page 8: 1 window and plastic cover cleaning (pc), 4 installing the air barrier 6.1.5 heater

EN - English - I
nstruc
tions manual
6
The maximum air pressure to be supplied to the air
barrier is 2,5 BAR. The following experimental data
give the effective air consumption, for calculating the
size of the compressor.
COMPRESSED AIR
PRESSuRE [bAR]
AIR bARRIER
CONSuMPTION [M3/H]
1
7
1.5
10
2
12
2.5
14
Tab. 01
6.1.5 Heater
Some models of NXM housing are equipped with
heater and double heater.
Fig. 12
Fig. 13
7 Maintaining and cleaning
7.1 Window and plastic cover
cleaning (PC)
We suggest to use neutral soap diluted with water
or specific products for lens cleaning applied with a
soft cloth.
g
h
Avoid ethyl alcohol, solvents, hydrogenated
hydrocarbide, strong acid and alkali. Such
products may irreparably damage the
surface.
6.1.4 Installing the air barrier
Unscrew the frontal bottom screw of the housing
using the equipped hexagonal wrench. Remove the
frontal flange and the standard glass.
Fig. 09
Insert the tempered glass in the air barrier seat after
the right fitting of the gaskets. The gaskets on the
frontal part of the housing are 3.
Close the housing frontal flange being careful not to
damage the closing gaskets.
Insert the compressed air tube in the relevant 1/4”
GAS pipe fitting on the air barrier.
Fig. 10
We recommend using the optional filter unit for
cleaning the compressed air.
Fig. 11 NXFIGRU.