DATC -Dual Automatic Temperature Control - Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company.

2 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. General Specification ItemTuscan (JM)LM Compressor Internal variable capacity swash plate type (10PA17/10PA19) External variable capacity swash plate type (DVE16) Cluster ionizerNot appliedApplied Fin thermo sensorEvaporator core insertion type Air detection type (Surface temp. detection) Full automatic air conditioning (DATC) External temp. sensor and AQS sensor separable External temp. sensor (AQS sensor removed) Interior temp. sensor and humidity sensor combined (ACTIVE MOTOR TYPE) Independent type (Humidity sensor removed) (Aspirator type) Independent type Photo sensor and solar radiation sensor combined (Dual solar radiation sensor applied) Coolant temp. sensor applied Coolant temp. sensor not applied (Engine coolant temp. sensor shared) Temp. actuator (F/B type)F/B type (Built-in position sensor) Mode actuator (F/B type)F/B type (Built-in position sensor) Intake actuatorF/B type (Built-in position sensor)

3 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Construction HVAC assembly Blower assembly Cooling module assembly Compressor DVE16 (External variable type) APT Sensor

4 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Components HVAC (Heating Ventilation Air Conditioning) Aspirator hose Mode actuator Temp. actuator (Passenger seat) Heater core Fin thermo sensor Temp. actuator (Driver's seat)

5 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Components Blower assembly Interior/Exterior air actuator Cluster ionizer Cation generation part Anion generation part Cluster ionizer is applied only to the DATC air conditioning. FET (Resistor is used for the manual air conditioning sytem) Blower motor Air filter cover (Filter separation type)

6 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Inputs & Outputs Tail lamp, Rheostat Dial switch (driver&pass temperature) Power (B+, IG2) and Ground DATC module Switches Auto, OFF, A/C, Recirculation, Fresh, Defroster, Defogger, Mode, Blower speed, Hazard lamp S/W etc. E n g. E C M Actuators (Mode, Temp., Intake) Blower motor Compressor, Condenser fan K-line (Diagnosis) Sensors Ambient temp. sensor. Engine coolant temp. sensor Fin thermo sensor In-car sensor Vehicle speed Dual photo sensor APT Max. Hi blower Blower ON signal PTC #1 ON signal PTC #2 relay PTC #3 relay PTC #2 relay Blower motor Cluster ionizer ECV control CAN High/Low

7 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Inputs & Outputs Tail lamp, Rheostat Dial switch (driver&pass temperature) Power (B+, IG2) and Ground DATC module Switches Auto, OFF, A/C, Recirculation, Fresh, Defroster, Defogger, Mode, Blower speed, Hazard lamp S/W etc. E n g. E C M Actuators (Mode, Temp., Intake) Blower motor Compressor, Condenser fan K-line (Diagnosis) Sensors Ambient temp. sensor. Engine coolant temp. sensor Fin thermo sensor In-car sensor Vehicle speed Dual photo sensor APT Max. Hi blower Blower ON signal PTC #1 ON signal PTC #2 relay PTC #3 relay PTC #2 relay Blower motor Cluster ionizer ECV control CAN High/Low Hide slide during presentation

8 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Cluster ionizer Case PCB, IC High voltage generator Cation generation Anion generation

9 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Cluster ionizer Signals Ion mode Clean mode OFF (-) ion activation (+,-) ion activation ION signalHI (12V)LOW (0V) CLEAN signal HI (12V) LOW (0V) Ionizer Control Unit Ground IG 2 ION signal CLEAN signal Diagnosis signal Cluster ionizer mode CLEAN mode : CLEAN display ION mode : ION display Cluster ionizer operating lamp

10 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. With Mechanical Control Valve (DV) Control Valve (Mechanical Type) Magnetic Clutch Pulley (Steel) With Electric Control Valve (DVE) Control Valve (Electric Type ) Pulley (Plastic) SectionDVVSX Control ValveMechanical Control ValveElectric Control Valve Magnetic clutchAdoptedNon Outlet Temp. controlVariable controlVariable control in detail Applied MotelNF, TG, HD, FD, FC etcBH, VI Variable Swash Plate Compressor

11 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. With Mechanical Control Valve (VS) Control Valve (Mechanical Type) Magnetic Clutch Pulley (Steel) With Electric Control Valve (VSX) Control Valve (Electric Type ) Pulley (Plastic) SectionVSVSX Control ValveMechanical Control ValveElectric Control Valve Magnetic clutchAdoptedNon Outlet Temp. controlVariable controlVariable control in detail Applied MotelNF, TG, HD, FD (i30)BH, VI Variable Swash Plate Compressor Hide slide during presentation

12 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. A/C OFF Mode Control A/C ON & Variable Control Control room (Pressure Up) Suction room Exhaust room Swash Plate Power OFF Check V/V Cut off Power ON Check V/V Cut off Control room (Pressure Down) Electric Control Valve

13 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Control Block Diagram ECV (Electric Control Valve) In-car Temp. Sensor Ambient Temp. Photo Sensor Humidity Sensor Fin thermo Sensor DATC Module ECV IC CAN Comm. Line DVE 16 Compressor (Clutch type external comp.) ECV Duty output A/C Cut-off signal A/C Switch On signal Actuator & Motor control HVAC Engine ECM -A/C relay ON signal -ENG rpm -Vehicle speed -Coolant temp. -APT value -Max. torque limited -A/C output signal -Calculate torque signal -Max. blower speed -Blower ON signal -ECV fault A/C relay control

14 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Owners setting procedure Defrost logic setting Temperature unit conversion 1. OFF button + AUTO button (5sec) 1. Defroster button 2. Push and hold A/C button + push intake button 5 times in 3 seconds 3. Check the display screen (3 times blinking)

15 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Owners setting procedure Self diagnosis (Using the control panel) Push MODE button while pushing OFF (4times within 2 sec) 2. Blinking all display (2times, 2Hz) 3. Check the DTC on display

16 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Owners setting procedure Self diagnosis (Using the control panel) Push MODE button while pushing OFF (4times within 2 sec) 2. Blinking all display (2times, 2Hz) 3. Check the DTC on display Hide slide during presentation

17 DATC Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Refrigerant Filling Refrigerant injection Initial A/C operation After pre-run After the compressor (part) replacement or refrigerant discharge Oil Refrigerant Idling for 3 min or more !! Pre-Run Oil Refrigerant No lubrication Oil & regrigerant mixture Condenser Evaporator Compressor Expansion valve Condenser Evaporator Compressor Expansion valve Compressor