Benson Heating Gas Fired Room Sealed Unit Heater UHC 140

Use damp cloths with soap and water for cleaning

Dampen the cloth with a 50% mixture of water and white spirit for stubborn stains

Dry the surfaces carefully after cleaning

Clean filters regularly as required

Did the fan start approximately 30 seconds after ignition of the burner?

Full Efficiency Checks (After 20 minutes)

Enter the gas rate using a meter

Enter the temperature rise and compare to data plate

Remove foreign substances from the motor

Check the tension of the transmission belt

Check the alignment between motor pulley and fan pulley

Measure the belt deflection when pressed

Adjust the transmission using the belt-tightening system

Ensure routine inspections are carried out frequently and servicing is done regularly as per manufacturer's recommendations.

Verify that a safe working platform with good access to the heater is available.

Clean all accessible surfaces including the outside of the heat exchanger by removing the fan assembly and the louvres.

Check for panel damage and that all fasteners are present and secure

Visually check all electrical wiring for signs of damage

Check all terminals are secure and free from escaped/stray conductor strands.

Slacken the belt tension by unscrewing screw

Loosen grub screw of the mobile part of pulley with a hexagonal spanner

Rotate the mobile part of the pulley to obtain the pitch line diameter required

Lock the grub screw tightly at the hub hollow