General Functionality ESIE05-032–24 Part 2 – Functional Description312451.17 Preheating Operation ControlApplicable units RZQ71Outline After the compressor has been turned off, the preheating operation will be activated in order to avoidrefrigerant from dissolving in the compressor oil.Trigger conditionsStarting conditions &P orP T2 (Discharge pipe temperature) < 40°CP Ta (Outside temperature) < 40°CP Power supply ON to First operationP 60 minutes or more elapsed after compressor stopEnding conditions orP T2 (Discharge pipe temperature) > 43°CP Ta (Outside temperature) > 43°CP Thermostat ON confirmation
