Do you have a question about the Rayburn Heatranger 480 and is the answer not in the manual?
Explains boiler thermostat adjustment, minimum operating temperature, and burner control.
Step-by-step guide to setting the current date and time on the programmer display.
Instructions for setting three pairs of ON/OFF switching times for the cooker daily.
Instructions for setting three pairs of ON/OFF switching times for heating daily.
Explains how to enter Installer Mode to adjust parameters like clock format and programme types.
Addresses setting the clock, effects of power failure, and recovering lost time/date.
Lists common programmer symptoms, possible causes, and recommended remedies.
Explains the burner reset procedure, lockout conditions, and handling oil leaks or faults.
Provides advice on fuel delivery, power failure, and ensuring proper ventilation for operation.







