AIR CONDITIONING SYSTEM


  1. OUTLINE


    1. Air Conditioning System


      1. A single zone automatic air conditioning system or dual zone automatic air conditioning system (left and right independent control) is available depending on the model.

      2. A Positive Temperature Coefficient (PTC) heater is provided as an additional heater, depending on the model.

      3. HFO-1234yf or HFC-134a refrigerant is used for the single zone and dual zone air conditioning systems, depending on the model.

  2. SPECIFICATION


    1. Performance

      Item Specification
      Single Dual
      Heater Heater Output W 5200 5200
      Air Flow Volume

      m3/h

      		 330 330
      Power Consumption W 205*1/ 195*2 205
      Cooler Cooling Capacity W 4650 4650
      Air Flow Volume

      m3/h

      		 475 475
      Power Consumption W 240 250

      *1: LHD models

      *2: RHD models

    2. Ventilation and Heater Radiator Unit Sub-assembly

      Item Specification
      Heater Radiator Unit Sub-assembly Type Straight Flow Aluminum (SFA)-II
      Size: W x H x L mm (in.) 201.5 x 150 x 27 (7.9 x 5.9 x 1.1)
      Fin Pitch mm (in.) 1.8 (0.07)
      Blower Motor with Fan Sub-assembly Motor Type K70-10.5T*1/K70-10T*2
      Fan Type Semi Sirocco
      Fan Size: Dia. x H mm (in.) 155 x 65 (6.1 x 2.6)

      *1: Models with single zone automatic air conditioning system

      *2: Models with dual zone automatic air conditioning system

    3. Air Conditioning

      Item Specification
      Cooler Condenser (Condenser with Receiver Assembly) Type Multi-Flow (MF)-IV (Sub Cool)
      Size: W x H x L mm (in.) 636 x 293.4 x 22 (25.0 x 11.6 x 0.9)
      Fin Pitch mm (in.) 2.7 (0.11)
      No. 1 Cooler Evaporator Sub-assembly Type Revolutionary super-slim Structure (RS)
      Size: W x H x L mm (in.) 226.1 x 241 x 38 (8.9 x 9.5 x 1.5)
      Fin Pitch mm (in.) 3.0 (0.12)
      Compressor with Motor Assembly Type ES14
      Compressor Oil Type ND11
      Refrigerant Type HFC-134a*1, HFO-1234yf*2
      Charge Volume g 420 to 520*1, 470 to 530*2
      Clean Air Filter (Air Refiner Element) Pollen Removal Type

      *1: Models using HFC-134a refrigerant

      *2: Models using HFO-1234yf refrigerant

  3. MAIN FEATURES


    1. The air conditioning system has the following features:

      Feature Outline
      High Performance

      • Neural network control is used so passengers can control the air conditioning accurately for maximum comfort.

      • The blower control has 7 levels in manual mode and 31 levels in automatic mode for more precise control.

      • The Positive Temperature Coefficient (PTC) heater control is used. This system contains a PTC heater (quick heater assembly) that heats the air that has passed through the heater radiator unit sub-assembly to ensure proper heater performance.*1

      • A pollen removal type clean air filter is used as a clean air filter.

      • A sub-cool accelerator type tube is used to ensure cooling performance.*2
      Lightweight Bus connectors with built-in communication/driver ICs are used in the air conditioning harness assembly to create a lightweight wire harness design with a reduced number of wires. The use of this type of connector means that pulse pattern type servo motors are used.
      Compact

      • A semi-center location air conditioning unit in which the No. 1 cooler evaporator sub-assembly, heater radiator unit sub-assembly and PTC heater (quick heater assembly)*1 are placed in the vehicle's longitudinal direction is used.

      • A blower motor with a built-in blower motor controller is used to create a compact construction.
      Others

      The following parts are used to ensure high cooling or heating performance while realizing a compact and lightweight construction.


      • Revolutionary super-Slim structure (RS) type No. 1 cooler evaporator sub-assembly

      • Straight Flow Aluminum (SFA)-II type heater radiator unit sub-assembly

      • ES14 type compressor with motor assembly

      *1: Models with PTC heater

      *2: Models with sub-cool accelerator

  4. PRECAUTION


    1. Precaution for Refrigerant HFO-1234yf


      1. The parts used in the refrigerant cycle, the compressor oil, etc. of a HFO-1234yf system are not compatible with a conventional HFC-134a system.

      2. Always use HFO-1234yf as the refrigerant.

        Note


        • Do not charge the system with refrigerant near open flames, as HFO-1234yf is combustible.

        • When charging the system with refrigerant, make sure the area is well ventilated (especially be careful in areas where the gas can easily accumulate such as under lifts and in garage pits, as the gas is heavier than air).

        • Follow any local regulations regarding combustible gases.

        • Be sure to use a refrigerant recovery unit that is compatible with HFO-1234yf systems.

        Tech Tips

        The shape of the service port for refrigerant charging has an exclusive design conforming to international standards for HFO-1234yf to prevent improper refrigerant charging.