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Accessories

  AIR DAMPERS

Louvers are made of aluminum profile. The dampers can be mounted inside, or outside of the section. The frame around the perimeter of the damper is made of galvanized steel. The rotation is provided by cog wheels, made of polycarbonate. To be protected against external environmental influence, the wheels are set inside of a frame. Square rod is provided for automatic actuator mounting. If damper height is more than 1200 mm, two rods should be used. Air tightness class is 3, according to EN 1751.

OPTION: THE «NORTHERN» EXECUTION For the regions with the outside air temperature -40 °C, the dampers are supplied with an electric heater between the blades. Heating protects blades and cog wheels from icing.

RECOMMENDED ACCESSORIES – ELECTRIC ACTUATORS: Two-position control (ON/OFF) or smooth opening regulation from 0 to 100 % on signal 0...10 V from the automation system. Actuator with a return spring closes the damper when power supply is off.

     
     
  FLEXIBLE ANTI-VIBRATION INSERT

Flexible connectors are two flanges interconnected by an antvibration element. The inserts are made of galvanized steel and polyethylene tape, reinforced with polyamide fiber.

APPLICATION: In unit and air ducts connections to reduce vibration in the air ducts.

     
     
     
  PRESSURE SWITCH DTV 500

Pressure differential switch indicates an error in case of clogging of air filters, breaking of belts in centrifugal fans, low air flow through electric heaters, etc.

     
     
     
  THERMAL SWITCH F3000

Duct thermostat indicates the threat of freezing of unit elements, such as plate heat exchanger, liquid heating coil, etc.

     
     
     
  VARIABLE FREQUENCY DRIVE

Inverters provide smooth regulation, soft start, and active overheating protection of asynchronous fan motors. Inverters can be supplied loose or mounted inside the fan section. It is recommended to use VFD for both belt driven and direct driven free pressure plug fans.

     
     
     
  WATER MIXING SET WMG

WMG is designated for regulating the heat transfer fluid parameters. WMG consists of a 3-way valve with a modulating electric actuator (0-10 V) and a circulation pump.

 
WMG selection chart
 
TECHNICAL DATA

  WMG 3/4-4 WMG 3/4-6 WMG 1-6 WMG 1-10 WMG 1 1/4-10 WMG 1 1/4-16 WMG 1 1/2-16 WMG 1 1/2-25 WMG 2-25 WMG 2-40
Circulation pump DAB VA65/180 DAB A50/180XM DAB A56/180XM DAB BPH 120/250.40M DAB BPH 120/280.50T
Three-way valve with electric actuator Belimo R317 Belimo R318 Belimo R322 Belimo R323 Belimo R329 Belimo R331 Belimo R338 Belimo R339G Belimo R348 Belimo R349G
Electric actuator Belimo LR24A-SR Belimo NR24A-SR Belimo SR24A-SR Belimo NR24A-SR Belimo SR24A-SR
Connection Thread Flange
Three-way valve nominal diameter DN 20 DN 20 DN 25 DN 25 DN 32 DN 32 DN 40 DN 40 DN 50 DN 50
Three-way valve Kvs 4 6.3 6.3 10 10 16 16 25 25 40

BlauAir - data sheet

BlauAir - operation manual

BlauAir - user's manual

BlauAir - image