47
EXPERT 64EU rev.03
EXPERT 64EU
6.2.2.2 to set the timers’ On and Off times.
6.2.1.2 Operation of Variable Outputs
Variable outputs are activated when a fan stage to which they are associated starts
(s. 4.7). They are enabled at their minimum speed, as defined in section 4.4, and
gradually increase in speed as the room temperature increases. Their full speed is
reached when the start temperature of the following fan stage is attained.
Transition between fan stages 1 and 2 :
If the next stage is an ON/OFF fan stage, the variable output is deactivated when the
new stage starts. If the next stage is another VARIABLE fan stage, the speed of the
first variable stage is re-
duced to its minimum
speed when the second
variable stage starts. This
allows a smooth transition
between both stages. The
following graphic sums up
the situation:
* Starting Speed:
If the variable output is used to en-
sure minimum ventilation:
The output starts at the same speed
as defined for the minimum ventila-
GRAPHIC :
Variable Fans on Ventilation Stages
100%
FAN
SPEED
ROOM T°
MIN SPEED
OFF
FANS REACH
THEIR FULL SPEED
FANS STOP
FANS ARE ACTIVATED
AT THEIR MIN. SPEED
GRAPHIC :
Transition between fan stages 1 & 2
100%
V1
FAN SPEED
ROOM T°
* MIN.
SPEED
OFF
V1 BANDWIDTH
FANS OF STAGE 1 RETURN
TO THEIR MIN. SPEED WHEN
STAGE 2 IS ACTIVATED.
V1 BANDWIDTH
Summary of Contents for Integra EXPERT 64EU
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