Benson Heating Gas Fired Room Sealed Unit Heater RS 80

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 ensure all fasteners are present and secure.

Visually inspect all electrical wiring for signs of damage, especially from contact with hot surfaces.

Check conduit for signs of chaffing and ensure it is secure.

Ensure all terminals are secure and free from escaped or stray conductor strands.

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

Ensure all panels and fasteners are secure and in place

Verify the heater is mounted safely

Ensure the flue is sealed, secured, and adequately supported

Check the fan and motor assembly

Confirm the heater is not tilted and remains square

Verify the outlet duct resistance is compatible with the data plate

Ensure all safety conditions have been observed

Use damp cloths with soap and water for cleaning

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

Dry the surfaces carefully after cleaning

Clean filters regularly as required

Injector Removal and Replacement

Unscrew the natural gas injectors

Replace with the correct size injectors for propane

Verify injector and nozzle specifications

Place the transfer with the correct gas pressure onto the manifold

Ensure new aluminium washers are fitted