Airwell RoofT@ir 60 [14/68] Economiser

Airwell RoofT@ir 60 [14/68] Economiser
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ECONOMISER
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
Filter1.
Indoor coil2.
Heating coil3.
Main blower4.
Condenser fan5.
Outdoor coil6.
Compressor with reversal cycle valve7.
Return air dampers8.
Outdoor air dampers9.
ELECTRIC HEAT
The electric coil is located directly at the blower outlet. It is only available for the downward discharge version (S1)
or front discharge (S3). Air deflector are supplied to guide the stream around the heating elements.
Safety devices (thermostats and pressostats) protect the machine from possible risks of overheating due to insufficient
flow around the shielded elements.
Supply airA.
Return airB.
Outdoor air C.
Outdoor air to outdoor coilD.
THE ECONOMISER OPTION IS NOT COMPATIBLE WITH THE RETURN AIR FROM
THE TOP (R4) AND RETURN AIR FROM THE REAR (R3) CONFIGURATIONS.

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