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Blauberg Tower-HC 250 4E A


Roof centrifugal fan. Maximum air flow up to 830 m³/h.
EAN codeEAN
  • Description
  • Characteristics
  • Downloads
  • Dimensions
  • Additional characteristics
  • Designation key
  • Accessories
Description
Description
USE

Extract ventilation systems installed in various premises.Roof mounting.For any types of roofs.

DESIGN OPERATION AND SPEED CONTROL

Steel casing with a special polymer atmospheric resistant coating.Horizontal air exhaust.The fan is equipped with a terminal block for connection to power mains.The fan is rated for continuous operation.Impeller with a protecting insect screen.The upper cover is equipped with two eye bolts for easy fan lifting on the roof with hoisting mechanism.A connecting plate with an intake opening is designed to facilitate mounting to the roof surface.

Step speed control with transformer speed controller (available upon order).

MOUNTING

Roof mounting directly above a ventilation shaft or air duct.The fan is connected to the air duct with the intake flange that is fixed to the fan base.The fan base has holes for fixing bolts that attach the fan to the stable level surface or a roof frame.Roof frame and intake flange available on separate order.Power is supplied through an external terminal box.

MOTOR

Two- or four-pole asynchronous motor with external rotor and centrifugal impeller with backward curved blades.Dynamically balanced impeller.Equipped with ball bearings for longer service life.Overheating protection by built-in thermal switches with leaded outside terminals for connection to external protecting controls.The thermal switch terminal leads are designed for connection to respective circuit of the overload relay or respective terminals of the autotransformer or thyristor speed controller.

Characteristics
Characteristics
Parameter Tower-HC 250 4E A (50 Hz) Measurement unit
Voltage 230 V
Phase 1 ˜
Frequency 50 Hz
Current 0.23 A
Power 48 W
RPM 1440 min-1
Maximum air flow 231 l/s
Maximum air flow 830 m³/h
Sound pressure level at 3 m 46 dBА
Max. operating temperature -25…+50 °С
Motor IP rating IP44 -
Ingress protection rating IPX4 -
EC motor no -
Weight 8 kg
Casing material aluminium -
Outdoor mounting yes -
Sound-insulated casing no -
Air duct for round air ducts -
Design centrifugal -
Type Exhaust -
SEC class -
Mounting for roof -
ErP 2018 -
Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
  • Certificates
Name
Tower-HC - user's manual (pdf 1.95Mb)
Tower-HC - data sheet (pdf 507.27Kb)
Tower-HC - image (png 382.83Kb)
Dimensions
Dimensions

Type Dimensions [mm]
Ø D Ø D1 H L L1
Tower-HC 250 4E A 503 285 224 420 330
Additional characteristics
Additional characteristics

Designation key
Designation key
Series Impeller standard size Motor Casing material
Number of poles Phase
Tower-HC 190; 220; 225; 250; 280; 310 2; 4 E: single-phase
D: three-phase
_: steel with polymeric coating
A: aluminum
Accessories
Accessories
Backdraft dampers Flexible connectors for roof fans Counterflanges Mounting frames Silencers Backdraft air dampers
Air dampers
Speed controllers  
                  
KDL VDL FDL MRDL / MRIDL SD

VRV

VK / VKA CDT E/0-10  CDR5E D… TP CDR5E D… M 
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