JISU

Low Profile Car Park Fan

  • Highly efficient, aerodynamically designed internal flow elements.
  • Available with powerful 50 or 100N thrust capacities.
  • Engineered for smoke-spill applications and suitable for ambient operating temperatures up to 80°C.
  • Compact low profile design makes it suitable for applications with low ceiling heights.
  • Durable galvanised steel fan housing with light grey powder coated finish as standard.
  • Integral mounting feet allows unit to be easily fitted to the ceiling.
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Compatible Accessory Ranges

Please refer to Product Overview in Downloads for accessory size guide

Vacon 10 Variable Speed Drive

Vacon 10 Variable Speed Drive

Vacon 20 Variable Speed Drive

Vacon 20 Variable Speed Drive

Vacon 20X Variable Speed Drive

Vacon 20X Variable Speed Drive

Vacon 100 HVAC Variable Speed Drive

Vacon 100 HVAC Variable Speed Drive

Vacon 100X Variable Speed Drive

Vacon 100X Variable Speed Drive

Vacon NXL Variable Speed Drive

Vacon NXL Variable Speed Drive

Overview

The JISU Series of JetVent Fans are available in 50 and 100N
thrust capacities. This range is suitable for ambient and also
high temperature applications as required in fire/smoke control
applications. All models feature a low profile housing that is
suitable for car parks with low ceiling heights. These units may be
used in conjunction with Variable Speed Drives (VSD)
for efficient speed control.

Features and Benefits

Design

Compact low profile design makes it suitable for applications with low ceiling heights. This unit is perfect for enclosed or semi-enclosed spaces that contain harmful vehicle exhaust pollutants and require fire/smoke control. The unit can also increase cross-flow ventilation in open car parks. It has highly efficient, aerodynamically designed internal flow features and integral mounting feet allowing the units to be easily mounted to ceilings.

Smoke-Spill Standards

Designed to comply with the air performance and high temperature requirement of Standards AS/NZ1668.1:1998 and AS4429:1999. Both Standards are mandatory for smoke-spill installations. Tests up to 200°C for 2 hours and 300°C for 30 minutes have been successfully concluded. In the case of a fire occurring, JetVent smoke-spill models will stop operating for a predetermined time to allow occupants to escape the building. After this time the JetVent fan will commence operation again.

Testing

Thrust-air performance based on tests to BS848 Part 10,1999: “Fans for general purpose – Performance testing of jet fans”. Noise Data based on tests to BS848:Part 2,1985. High temperature requirements tested to AS4429:1999.

Specification

Construction

Low profile galvanised steel housing with aerodynamically designed internal flow elements. Light grey powder coated finish as standard. Backward curved centrifugal impeller manufactured
from durable aluminium.

Motors

The fans are built with external rotor, squirrel cage induction motors with sealed for life ball bearings. The motor requires an electricity supply of 415V, three-phase, 50Hz. Motors are suitable for ambient conditions as well as high temperature conditions required for smoke-control applications. Maximum ambient temperature 80°C.

Speed Control

The JISU Series is speed controllable using Variable Speed Drives which must be bypassed in smoke control mode. Sinusoidal filters are required for Variable Speed Drive control.

Additional Information

Jet fans should be treated as an Alternative Solution within the National Construction Code (NCC)(formerly the BCA) from a fire and smoke control perspective (in addition to the ventilation requirements). Therefore the fire engineer on the project would need to add the car park ventilation design into their fire engineering report for the project and ensure that they meet the relevant BCA performance clauses. For more information please refer to the JetVent “Practical Guide for Selection and Application”.

Control Systems

There are two types of analogue control systems used with the JetVent JISU Series.

  • Two speed system using relays to drive contactors connected to the fans.
  • Variable speed system using 0 to 10 Vdc outputs to proportionally drive VSDs.

Typical Applications

Car Parks
Car Parks
Smoke Extract
Smoke Extract
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