.ThermoPower.Choices.FlowReversal.Options .ThermoPower.Choices.FlowReversal.OptionsType, constants and menu choices to select the flow reversal support options
type Options = enumeration(fullFlowReversal "Full flow reversal support", smallFlowReversal "Small flow reversal allowed (approx. model)", noFlowReversal "Flow reversal is not allowed");