Presentation is loading. Please wait.

Presentation is loading. Please wait.

Toyota Motor Europe Prius PHV Air Conditioning. Today Tomorrow Toyota Overview Items PRIUS Plug-in PRIUS Heater Control Panel Automatic A/C A/C Unit Some.

Similar presentations


Presentation on theme: "Toyota Motor Europe Prius PHV Air Conditioning. Today Tomorrow Toyota Overview Items PRIUS Plug-in PRIUS Heater Control Panel Automatic A/C A/C Unit Some."— Presentation transcript:

1 Toyota Motor Europe Prius PHV Air Conditioning

2 Today Tomorrow Toyota Overview Items PRIUS Plug-in PRIUS Heater Control Panel Automatic A/C A/C Unit Some of air is always re-circulated Plasmacluster Generator (-A Only) Heater SFA (Straight Flow Aluminum) -II Heater Core PTC Heater 165 W x W x 3 Heat Pump System Electric Water Pump (for Heater and Engine Cooling) Compressor Scroll Type Compressor with Motor (A/C Inverter integrated) ES14 ES27 Compressor Oil: ND-OIL11 : Available: Not Available

3 Today Tomorrow Toyota Overview Items PRIUS Plug-in PRIUS CondenserMF-IV Sub-cool Condenser in Engine Compartment in A/C Unit EvaporatorECS (Ejector Cycle System) Evaporator Servo MotorPulse Detection Type Servo Motor with Bus Connector BlowerBrushless Motor Models with Solar Power Ventilation System for All Models Clean Air Filter Pollen Removal Type SensorHumidity Sensor RefrigerantHFC134a Control Solar Ventilation System Control Remote Air Conditioning System Control Cooling Operation Heating Operation Eco Mode Control : Available: Not Available

4 Today Tomorrow Toyota Heat Pump System Plug-in Hybrid with Heat Pump System Plug-in Hybrid without Heat Pump System StartGoal Heater ON EV Driving Engine is warmed-up only for the heating operation (It lowers fuel economy) Engine is warmed-up only for the heating operation (It lowers fuel economy) The heat pump system (electric energy) is used when the engine is cold EV Driving

5 Today Tomorrow Toyota Heat Pump System System Diagram Engine Compressor with Motor Electric Water Pump A/C Unit Heater Core ECS Evaporator Condenser Expansion Valve High Pressure Magnetic Valve Dehumidification Magnetic Valve Heating 3-way Valve Low Pressure Magnetic Valve Heat Exchanger Shut Valve Refrigerant Outlet Temp. Sensor Refrigerant Inlet Temp. Sensor Accumulator Orifice Air Mix Damper E C C H A/C Pressure Sensor M

6 Today Tomorrow Toyota Heat Pump System Parts location A/C Unit (RHD Model) Heater Core ECS Evaporator Condenser PTC Heater Blower Motor

7 Today Tomorrow Toyota Heat Pump System Parts location Compressor with Motor Condenser High Pressure Magnetic Valve Dehumidification Magnetic Valve Heating 3-way Valve Low Pressure Magnetic Valve Heat Exchanger Shut Valve Refrigerant Outlet Temp. Sensor Refrigerant Inlet Temp. Sensor Accumulator Expansion Valve A/C Pressure Sensor A/C Unit

8 Today Tomorrow Toyota Heat Pump System Refrigerant line (All) E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor Condenser A/C Unit View from A A E C CH M E C CH M

9 Today Tomorrow Toyota Heat Pump System Refrigerant line (1/3) Heating 3-way Valve Refrigerant Outlet Temp. Sensor A/C Pressure Sensor Compressor with Motor E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor E C CH M E C CH M

10 Today Tomorrow Toyota Heat Pump System Refrigerant line (2/3) High Pressure Magnetic Valve Dehumidification Magnetic Valve Heat Exchanger Shut Valve Expansion Valve E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor E C CH M E C CH M

11 Today Tomorrow Toyota Heat Pump System Refrigerant line (3/3) Low Pressure Magnetic Valve Refrigerant Inlet Temp. Sensor Accumulator E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor E C CH M E C CH M

12 Today Tomorrow Toyota Heat Pump System Cooler cycle A/C Unit Open Close OFF Close Cooled Air E C C H Engine E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor M

13 Today Tomorrow Toyota Heat Pump System Heat Pump Cycle A/C Unit Close ON Open Warmed Air E C C H Engine E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor M

14 Today Tomorrow Toyota Heat Pump System Heat Pump Cycle (With dehumidification) [A] A/C Unit Close Open ON Close E C C H Engine E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor Warmed and Dehumidified Air M

15 Today Tomorrow Toyota Heat Pump System Heat Pump Cycle (With dehumidification) [B] A/C Unit Close Open ON Open Warmed and Dehumidified Air E C C H E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor Engine M

16 Today Tomorrow Toyota Heat Pump System Heating operation by engine coolant A/C Unit Open Close OFF Close E C C H Engine E: Evaporator C: Condenser H: Heater Core M: Compressor with Motor Warmed Air Electric Water Pump M

17 Today Tomorrow Toyota Heat Pump System Heat Pump Operating Conditions Engine Coolant Heat Pump Heat Pump Cycle (with Dehumidification) [A] Heat Pump Cycle (with Dehumidification) [B] Heat Pump Cycle with Dehumidification Windshield glass is easy to fog up (with A/C switch indicator ON) Windshield glass is hard to fog up A/C switch indicator is turned off by pressing A/C switch 2.5 °C (36.5 °F) or more Less than 2.5 °C (36.5 °F) Evaporator temp. The heating performance by the current coolant temp. is higher than the target heating performance Front DEF switch is pressed (with windshield glass is easy to fog up) Temp. setting is MAX HOT Ambient temp. is approx. –2 °C (28.4 °F) or less Frost is detected at the condenser (in the engine compartment) The heating performance by the current coolant temp. is lower than the target heating performance

18 Today Tomorrow Toyota Heat Pump System Automatic Defrosting Operation A/C Amplifier Refrigerant Inlet Temp. Sensor Signal Start request Approx. –15 °C (5 °F) or less continues for 30 sec. Judges that the condenser (in the engine compartment) is frosted Engine Warmed up Heating operation is changed from heat pump type to engine coolant type Changes to cooler cycle in order to defrost the condenser (for 20 min.) Heating operation is changed from heat pump type to engine coolant type Changes to cooler cycle in order to defrost the condenser (for 20 min.) Cooler Cycle Heat Pump Cycle Required Flow Volume of the Electric Water Pump

19 Today Tomorrow Toyota Heat Pump System A/C switch indicator A/C Switch Indicator A/C System Cooler CycleHeat Pump Cycle ON Compressor ON [with dehumidification] (Automatically dehumidified if necessary) OFF Compressor OFFCompressor ON [without dehumidification] A/C Switch

20 Today Tomorrow Toyota Heat Pump System Humidity Sensor Glass Humidity Sensor Glass Temp. Sensor Glass Surroundings Temp. Sensor Glass Humidity Glass Temp. Glass Surroundings Temp. A/C Amplifier Easiness of the windshield glass fog up Energy loss reduced Prevents windshield glass from fogging up Energy loss reduced Prevents windshield glass from fogging up Controls A/C system

21 Today Tomorrow Toyota Heat Pump System Humidity sensor controls Easiness of the windshield glass fog up Air Inlet Mode Control Air Outlet Mode Control Airflow Volume Control Increase REC Air Increase FER Air FRE 100% FOOT/DFF Mode Blower Level +5 Keep REC/FRE ratio +1 Normal Control ±0 Easy to fog upHard to fog up

22 Today Tomorrow Toyota Remote Air Conditioning System Activation Electric power supplied through the plug-in function Press and Hold Major Difference From PRIUS ModelPRIUS Plug-inPRIUS OperationCooling and HeatingCooling only Operating ConditionWhile plug-in chargingWhile power mode OFF Power SupplySupplied through the plug-in functionHV Battery Solar Ventilation SystemN.A.Equipped

23 Today Tomorrow Toyota Remote Air Conditioning System System Diagram Inverter Assembly HV Battery (Sub 1, 2)Charger Relay Remote Air Conditioning Switch Door Control Receiver Door Courtesy Light Switch Door Lock Position Switch Hood Courtesy Switch V Bus No.1 Power Management Bus Certification ECU Power Switch Shift Position Sensor Stop Light Switch HV Battery Assembly Solar Sensor Ambient Temp. Sensor Room Temp. Sensor Servo Motors PTC Heater Blower Motor HV Battery (Main) DC-DC Converter IG1, IG2 Relays Compressor with Motor A/C Amplifier Main Body ECU Power Management Control ECU High-voltage Wire Harness Boost Converter (Sub) Boost Converter (Main) Battery Charger Battery Charger Inlet

24 Today Tomorrow Toyota Remote Air Conditioning System Operating Conditions Operation Start Condition Press and hold the remote air conditioning switch for 0.8 sec or more when all the following conditions are satisfied Power mode is OFF Power switch is not pressed Shift position is in P All the doors are closed and locked Engine hood is closed Brake pedal is not depressed Theft deterrent system is not in alarm state While plug-in charging Cooling or heating operating conditions meet the set temperature Operation Stop Condition [OR] When the operation start condition are not met Approx. 30 min. have elapsed When the remote air conditioning switch is pressed twice within 3 sec.

25 Today Tomorrow Toyota Remote Air Conditioning System Operation Heating Operation Heat Pump (Heating Cycle) Cooling Operation Less than -2 °C (28.4 °F) A/C system operates in accordance with the set temp. Operation start conditions are satisfied -2 °C (28.4 °F) or more PTC Heater Ambient Temp. Maximally 3 PTC heaters (280 W x 3) are operated in accordance with the max. permissible power

26 Today Tomorrow Toyota Air Conditioning System Refrigerant Standard Refrigerant Amount Refrigerant Amount Point where bubbles disappear Overcharged High Pressure 100 g (3.53 oz.) +/- 50 g (+/ oz.) PRIUS Plug-in: 670 g (23.6 oz.) PRIUS: 470 g (16.6 oz.)


Download ppt "Toyota Motor Europe Prius PHV Air Conditioning. Today Tomorrow Toyota Overview Items PRIUS Plug-in PRIUS Heater Control Panel Automatic A/C A/C Unit Some."

Similar presentations


Ads by Google