Arrangement for operating auxiliary heater only activates auxiliary heater if starter battery has been heated to defined temperature by battery heater

摘要

The arrangement has a controller (8) that switches the auxiliary heater (2) on at a defined time. A battery heater (6) is provided that is in thermal contact with the battery. The controller only activates the auxiliary heater if the starter battery has been heated to a defined temperature by the battery heater : Independent claims are also included for the following: an arrangement for operating auxiliary heater.