Lindab FRU Flow Measuring Instrument Instruction Manual

July 10, 2024
Lindab

Lindab FRU Flow Measuring Instrument

Product Information

Specifications

  • Product : Lindab FRU
  • Equipped with Lindab Safe for connection to duct
  • Prepared for insulation up to 50 mm
  • Can be installed in any position without adjustment required
  • Recommended for use in applications with clean air, free of dust and particles

Product Usage Instructions

Mounting of FRU
FRU can be mounted using the following steps:

  1. Connect FRU to Lindab Safe for duct connection
  2. Ensure insulation up to 50 mm is in place
  3. Install FRU in desired position without adjustment
  4. Avoid clogging of measuring cross by using in clean air environments

Maintenance Instructions
To maintain FRU, follow these steps:

  1. Clean visible parts with a damp cloth
  2. Remove pressure hoses and blow clean air into aluminum pipes
  3. Avoid blowing into plastic hoses on the Belimo unit to prevent damage to sensors
  4. Dismount hoses to clean measuring cross using clean air
  5. Reassemble hoses and tighten black rings securely

Product

Dimensions

Lindab-FRU-Flow-Measuring-Instrument-fig- \(1\)

FRU in details

Lindab-FRU-Flow-Measuring-Instrument-fig- \(2\)

Mounting of VRU

Lindab-FRU-Flow-Measuring-Instrument-fig- \(4\)

FRU is equipped with Lindab Safe for connection to the duct and is prepared for insulation up to 50 mm. FRU can be installed in any position without adjustment required. To avoid clogging of the measuring cross, it is recommended to use FRU only in applications with clean air, meaning free of dust, particles and similar.

Lindab-FRU-Flow-Measuring-Instrument-fig- \(5\)

Balancing

Lindab-FRU-Flow-Measuring-Instrument-fig- \(6\)

Maintenance

Cleaning of measuring cross
The visible parts of the product can be wiped with a damp cloth. Remove pressure hoses and blow clean air into the aluminum pipes. Do not blow into the plastic hoses mounted on the Belimo unit, as this can damage the flow/membrane sensors.

  • Cleaning the measuring cross
    Please demount the hoses and use clean air to clean the hoses and measuring cross.

  • Mounting hoses
    Put the hoses back followed by squeezing the black tightness rings back.

  • Mounting hoses step 1
    Put the hoses back

  • Mounting hoses step 2
    Squeeze the black tightness rings back.

Lindab-FRU-Flow-Measuring-Instrument-fig- \(8\)

Most of us spend the majority of our time indoors. Indoor climate is crucial to how we feel, how productive we are and if we stay healthy. We at Lindab have therefore made it our most important objective to contribute to an indoor climate that improves people’s lives. We do this by developing energy- efficient ventilation solutions and durable building products. We also aim to contribute to a better climate for our planet by working in a way that is sustainable for both people and the environment.

www.lindab.com

FAQ

Q: Can FRU be installed in any position?
A: Yes, FRU can be installed in any position without the need for adjustment.

Q: How should I clean the measuring cross of FRU?
A: To clean the measuring cross, dismount the hoses and use clean air to blow through them.

Q: What tools can be used for Modbus/Bacnet/KNX settings?
A: Modbus/Bacnet/KNX settings can be done with ZTH-EU, PC-Tool, or Belimo Assistant App.

References

Read User Manual Online (PDF format)

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