Installation Guide
Part E
Page 9
Installation Guide
Part E
Page 9
E4 AIR PURGE
An air purge can be fitted to the enclosure which blows air across the front of
the lens window to keep it clear of dirt, it is secured to the enclosure with four
M5 setscrews and washers. The air supply hose is connected directly to the air
purge.
TI990011
Air purge
Fig. E9 Air Purge
The air purge is fed by a fan capable of delivering 2.8m
3
/min of air against a
pressure of 250Nm
3
. The fan must be connected to the purge by a 38mm
diameter hose, with a maximum length of 1.5m.
E4 AIR PURGE
An air purge can be fitted to the enclosure which blows air across the front of
the lens window to keep it clear of dirt, it is secured to the enclosure with four
M5 setscrews and washers. The air supply hose is connected directly to the air
purge.
TI990011
Air purge
Fig. E8 Air Purge
The air purge is fed by a fan capable of delivering 2.8m
3
/min of air against a
pressure of 250Nm
3
. The fan must be connected to the purge by a 38mm
diameter hose, with a maximum length of 1.5m.