ECO REFERENCE MANUAL
4-1
4. ADVANTAGES OF THE ECO
ENERGY SAVINGS
The Eco range provides considerable potential for
energy saving in the following areas:
• Air flow requirements are matched precisely to
demand.
• Optimum system regulation means less
energy/power is required.
• The requirement for changing clean air filters
is reduced.
ENERGY SAVING POTENTIAL
power (kW)
Fixed speed
with damper
Eco
flow (m
3
/min)
CONTROL & REGULATION
The Eco range enables the following
improvements to system control and regulation.
• Finer control of system functions as the Eco
accurately follows set points.
• Closed loop process control using a standard
Proportional, Integral, Derivative (PID) control
loop function.
• Reduced overshoot of pre-set parameters,
provides optimised levels of comfort.
• Automatic compensation for system
fluctuations - partially blocked filters.
setpoint
feedback
PID CONTROL
Eco PID
controller
M
Sensor
PID - INTERNAL
Closed loop process control using a standard
Proportional, Integral, Derivative (PID) control
loop function. 15 V, 50 mA supply provided for
feedback transducer
NOISE
Noise reductions can be achieved by reduction in:
• Motor and fan rpm.
• Air flow velocity
• Balance dampers are set in a more open
position.
• Periodic on/off actions create a higher and
more irritating noise level than continuous
running
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