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CIRCULAR CAV AND VAV

(VAV, CAV, shutoff, etc.) to maximise system energy savings. • FloCross® 2 x 12 points averaging and signal amplifying airflow sensor, better than 2,5% accuracy even with irregular duct approach. • …


VAV Terminal E brochure ver 9 9321

Criteria 30% of the selected VAV terminal Air ow sensor KFactor. 4. Air Flow Range 40 3700 CFM. VAV terminal Minimum Air ow volume (VMin) shall not be less than 20% of the selected VAV …


Digital Single Duct Terminal w/ Ecoshield Liner (DESV/ES ...

Single Duct terminals are the fundamental building blocks for Variable Air Volume (VAV) systems. Their primary function is to regulate airflow to a zone, in response to zone temperature requirements. ...


Building and Environment

inlet condition, an 8 in. VAV box, a flow conditioner, and a straight duct prior to the VAV inlet. A twoaxis airflow sensor (shown in Fig. 5(a)) was modeled for the VAV flow sensor. Only one type of VAV airflow sensor was modeled because the ASHRAE RP1353 project [3,4] revealed that different VAV airflow sensors …


"AeroCross" DESV Flow Sensor — Shop Fontanesi Kann

Model: "AeroCross" DESV Flow Sensor. The flow sensor is the most important component of a VAV terminal. The flow sensor measures the total and static pressure in a terminal so that a controller can calculate the cfm through the unit. If the flow sensor does not provide accurate information to the controller, the controller cannot determine ...


Aerocross Flow Sensor Application Guide

The flow sensor is the most important component of a VAV terminal. The flow sensor measures the total and static pressure in a terminal so that a controller can calculate the cfm through the unit. If the flow sensor does not provide accurate information to the controller, the controller cannot determine actual cfm, and therefore cannot maintain ...


Trane VariTrane™ VAV

VAV terminal unit. VariTrane units are manufactured in the most stateoftheart VAV facility in the world. Proven components, such as the patented Trane Flow Ring and the Trane DDC controller, are used. The most advanced manufacturing techniques in the industry have been implemented to provide an exceptionally rugged and reliable VAV …


Titus ESV DistribAire

n Used on Titus VAV boxes to connect flow sensor, controller and actuator tubing. Toggle Disconnect Switch n Toggle Disconnect with base plate assembly; 20 Amps; horse power 120V277V …


Digital Single Duct Terminal (DESV/DW) — Shop Fontanesi Kann

Model: "AeroCross" DESV Flow Sensor The flow sensor is the most important component of a VAV terminal. The flow sensor measures the total and stat...


Installation, Operation, and Maintenance VAVUCM 4

General Information. VAVSVX01EEN 7 † UCM adds abinary 24Vac, drycontact can be configured either as a generic input or as an occupancy detector input.


Variable air volume (VAV) Air Handling System What …

Air Flow Measuring – Velocity sensor Flow measurement is the key factor in VAV controls 1. Based on ASHRAE 2001 Fundamentals, Chapter Measurement and Instruments (table 4) Pitot tube is a …


Troubleshooting Variable Air Volume Modular Assembly …

Following are typical flow pickup designs. Usually the cross and ring types perform better than straight tubes because the sensing ports are better distributed across the duct area. Sensing Ports Cross …


Anemostat: RF3 External Retrofit Kit with Flow Sensor ...

Application. A pressure independent, VAV flow control assembly consisting of a flow sensor, damper, actuator, and controller. Controls included with the RF3 kit are specified separately, based on the …


Applications Guide

CSP5001/5002 VAV Flow ControllerActuators 3 Applications Guide, Rev. B Controller, Sensor, and Thermostat Functions Typical Voltage/Velocity Chart The chart below illustrates typical voltage versus velocity using a CSP with a SSS1002, singlepoint flow sensor. Because this is a flowthrough type sensor,


Flow Measuring Station Model: 36FMI

The Model 36FMS Flow Measuring Station is a multipoint averaging airflow sensor. It has been designed to provide accurate sensing by sampling air velocities in the four quadrants of a round duct. The differential pressure flow sensor …


Accurate Airflow Measuring With the FlowStar™ Sensor

An airflow sensor in each VAV terminal measures the flow of conditioned air and sends a differential pressure signal to a controller. The accuracy and range of the airflow sensor and controller are critical to the system’s ability to control airflow, outside air dilution and air motion at partload conditions.


VAV Terminal E brochure ver 9 9321

Criteria 30% of the selected VAV terminal Air ow sensor KFactor. 4. Air Flow Range 40 3700 CFM. VAV terminal Minimum Air ow volume (VMin) shall not be less than 20% of the selected VAV terminal Max Air ow Range. 6. Material For Construction A. Casing 22SWG Galvanised Sheet Steel conforming to …


ENVIROTEC FlowStar™ Sensor

The ENVIROTEC air valve features the FlowStar airflow sensor (patent 5,481,925) which has brought new meaning to airflow control accuracy. The multiaxis design utilizes between 12 and 20 sensing points that sample total pressure at center points within equal concentric cross …


VAV Control – Pressure Independent Type | AIMI

Alfa PI VAV are connected with Nepcross cross flow differential sensor (Neptronic Make Canada) for measuring the air volume, which is located in the upstream section of the VAV chamber .The sensing …


RSVRF HVAC System Air Flow Controller Volume ...

♦ Velocity Sensor The Royal cross flow sensor with multipoints amplifies velocity pressure signals for a transvers air flow measurement. It’s accurate design to ensure minimum pressure drop and sound …