Switch
Power cable
Brown wire L
Blue wire N
Green-yellow wire PE
4
3
2
5
1
4
4
TECHNICAL AND MAINTENANCE DOCUMENTATION
VTR-HD
WWW.AERECO.COM
4. ELECTRICAL SPECIFICATIONS AND
CONNECTIONS
― Connecting the HD automated system
The fan with a HD automated system should be connected as shown in the drawing.
To open the casing of a HD automated system use a screwdriver, do not use a power screw-
driver because of the danger of damaging the screws.
1
PG11 cable gland enables connection of 1x230 V power supply. The power wires should
be connected to the corresponding terminal blocks
2
, according to the above drawing.
The potentiometer
3
is used to change the setting of the base pressure. The base pressure
is preset at the factory. Do not change the default connections
4
. The automated system
is equipped with a switch
5
. The switch-off button is located on the lower surface of the
automated system.
After connecting the power supply, mount the cover of the automated system and tighten it
with screws with 0.8 Nm force, use a torque screwdriver.
Type
Power supply
I max. [A]
P max. [W]
VTR-71
230 V AC/50 Hz
1.7
170
VTR-72
230 V AC/50 Hz
1.7
170
It is recommended to use an overcurrent circuit breaker.
The type of protection is selected by the electrical installation designer.
