12
ECONOMISER
ECONOMISER - 2 FLAPS
The economiser is a set of two dampers driven by one actuator. The
quantity of outdoor air introduced into the building varies according
to the room set point and provides energy savings in both modes.
Economiser is used to modulate the return and outdoor air volumes.
It also provides an antifreeze protection during OFF period by closing
the outdoor air dampers
1 Filter
2 Indoor
coil
3 Heating
3-A Hot water or Gas
3-B Additional heating
4 Centrifugal
fan
5 Axial
fan
6 Outdoor
coil
7
Compressor with reversal cycle valve
8
Return air dampers
9
Outdoor air dampers
B
C
D
7
A
M
1
2
6
5
3-A
8
9
B
4
3-B
D
6
5
7
A Supply
air
B Return
air
C outdoor
air
D
Outdoor air to outdoor coil
Summary of Contents for 100
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