Control Specification SiBE12-712C88 Function and Control2. Control Specification2.1 Mode HierarchyOutline There are two modes; the mode selected in user’s place (normal air conditioning mode) andforced operation mode for installation and providing service.Detail 1. For heat pump modelThere are following modes; stop, cooling (includes drying), heating (include defrosting)2. For cooling only modelThere are following models; stop and cooling (including drying).Note: Unless specified otherwise, an indoor dry operation command must be regarded as coolingoperation.Determine Operating ModeJudge the operating mode command set by each room in accordance with the instructingprocedure, and determine the operating mode of the system.The following procedure will be taken as the modes conflict with each other. The system will follow the mode determined first. (First-push, first-set) For the rooms set with different mode, select stand-by mode. (Operation lamp flashes)Air conditioner control modeForced operating modeForced cooling (for Pump Down Operation)Normal operating modeCoolingHeatingDefrostingStop mode (except for cooling/heating modes by indoor command)Preheat operationDuring C (capacitor) is dischargingStop(R2829)Air conditioner control modeForced operating modeForced cooling (for Pump Down Operation)Normal operating modeCoolingStop mode (except for cooling modes by indoor command)Preheat operationDuring C (capacitor) is dischargingStop(R2830)Command of thefirst set room Command of thesecond set room Operation of thefirst set room Operation of thesecond set roomCooling Heating Cooling Stand-byCooling Fan Cooling FanHeating Cooling Heating Stand-byHeating Fan Heating Stand-byFan Cooling Fan CoolingFan Heating Stand-by Heating
