19 / 34
TF5814GB_E
Aereco S.A.
8.3. DIMENSIONS
8.
VMX S-PRE OPTICAL SENSOR
Ø80
25
8.4. ASSEMBLY
The sensors are set in a D62 to D70 mm hole. They are equipped with claws to be placed in the false ceiling.
8.1. FIELD OF APPLICATION
·VMX system
·Unizone application (at fan level) and multizone application (at the level of several motorised valves)
·Presence or motion type detection
Placing the sensors
·Ceiling position
·detection zone = zone situated 1m from
the partitions (the so-called "dead" zone,
where there is little movement)
·installation height in ceiling position:
between 2.5m and 3.5m.
2,5 m mini
3,5 m maxi
3 m mini
4,2 m maxi
1 m
2 m
3,6 m
2 m
2,8 m max
2,8 m max
B
B
A
A
R
r
"dead" zone
Respect the symmetry of the sensors in
relation to the axis of the zone.
R = recommended overlap
0,4 m, mini 0 m, maxi 1m.
r = recommended detection radius
2 m, maxi 2,8 m
8.2. DESCRIPTION
Any movement made in the zone is detected by the optical sensor (by
infra-red radiation) which sends electrical impulses (0-1) to the main
module for the information to be processed.
The VMX S-PRE optical sensor is composed of:
·a Fresnel lens with 31 pairs of facets which concentrate the radiation
produced by a person on the pyro-electric sensors and divides the field
of detection into 62 zones.
·specific pyro-electric sensors which gather the infra-red radiation
produced by a person and enable the measurement of the number of
movements via the facets of the Fresnel lens.
It has a LED, which displays the detections.
VMX S-PRE Det
ect
or