CERTIFIED
By Pass Type – AHRI
Type: Rectangular / Round
Construction: Galvanized Steel (GI) / Stainless Steel
Application: Light & Medium Duty
In Pressure Dependent VAV Model VAV-GB-21/22 , the room thermostat modulates the VAV box damper directly to control the space temperature. This requires that the duct static pressure be maintained at designated levels so that enough air pressure is available to cool the room.
The terminal unit damper is positioned from a signal sent directly from the zone thermostat to the damper actuator without regard for system conditions. In a pressure dependent system, two zones on the same system are effected by the control of one another.
0.9 mm thick galvanized sheet steel.
13 mm thick 32 kg/m³ density Acoustic liner.
0.9 mm thick galvanized sheet steel.
12 mm diameter damper shaft made of galvanized steel.
12 mm diameter Brass.
Neoprene Gasket.
Modulating / On-Off.
Backnet DDC with suitable thermostat.
VAV with additional length insulated casing for sound
attenuation.
25 mm thick 32 kg/m³ density Acoustic liner.
0.9 mm thick aluminium extruded aerofoil multiple blades.
Slip-in type electric duct heater (230V AC 1 Phase or
400V AC 3 Phase)
Insulated internal walls surface with Galvanized perforated
sheet used for low noise applications to minimise breakout
noise.
Round inlet with round outlet and square inlet with square outlet.
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