Improvement of Power Saving in R134a Air-Conditioning System
|
|
- Shanon Byrd
- 7 years ago
- Views:
Transcription
1 Improvement of Power Saving in R134a Air-Conditioning System Masahide Ishikawa, Takayoshi Matsuno, TOYOTA MOTOR CORPORATION Kazuhito Miyagawa, DENSO CORPORATION 1
2 Presentation Outline Impact of A/C on Fuel Consumption Approaches to A/C Power Saving - A/C Cycle & System Efficiency Improvement - A/C Control Efficiency Improvement - Coordination With Powertrain - Vehicle Thermal Management Improvement 2
3 Influence of A/C on Fuel Consumption Fuel Consumption (km/l) 15 Actual Running Mode: 9 % Compact Car LA4: Stop Ratio 17% Yearly 10 5 A/C Off A/C on (yearly) Compressor (39) Temperature ( o C) Humidity (%) Sun Load (W/m 2 ) Fresh / Recirculated Air Blower Speed Evaporator Outlet Air Temperature ( o C) Clutch (3) Cooling Fan (9) Blower (38) Idle up (11) Fuel Consumption Increase Ratio (%) Fresh Low 10 Yearly (9%) Impact on Fuel Consumption Components Compressor, Condenser, etc Influence of Vehicle Thermal Management Running Condition Constant Speed, Acceleration/Deceleration Idling, Electric load is also a major item. 3
4 Compressor (39) Impact on Fuel Consumption Yearly (9%) Increase Evaporator Inlet Air Temperature (5-10 o C) (4) Assumption by Thermal Data at Re-Entry of Heated Air (10-15 o C) (4) Idling and 40 km/h Running Fuel Consumption Increase Ratio (%) Thermal Management Improvement: Evaporator Air Inlet Temperature Reduction Preventing Hot Air Recirculation Constant Speed 22 Accelerating Decelerating Idling Fuel Consumption Increase Ratio (%) LA4 Yearly (9%) Large Effect When Idling and Decelerating (Accelerating In Summer) A/C Control Considering Running Condition Coordination Control with Powertrain 4
5 Approach to A/C Power Saving Impact on A/C Fuel Consumption A/C Cycle, System & Components Running Condition Vehicle Heat Personal Preference A/C Cycle & System Efficiency Improvement (including components) A/C Control Efficiency Improvement Coordination with Powertrain Thermal Management Improvement 5
6 A/C Cycle System Efficiency Improvement Subcool Cycle & Improvement of Subcool condenser Improvement of Compressor s Efficiency & Variable Displacement Compressor System A/C Control improvement Coordination with Powertrain Vehicle Thermal Management Improvement 6
7 Condenser Efficiency Improvement Q/F = Performance/(core width x core height) High-performance Subcool Subcool type 140 Multi-Flow Q/F Serpentine
8 Operating Principle of Subcool Cycle Subcooling Pressure Subcool Reciever Condenser Increase In Effective Refrigerant GAS Exp.Valve Evaporator Compressor Liquid Improved Cooling Performance Enthalpy 8
9 Effect of Subcool Condenser 10% Power Saving For Equivalent Performance Subcool Condenser Cooling Performance (kcal/h) % 5.7% Multi-Flow Condenser Power Consumption (PS) % Compressor Speed (rpm) 9
10 Condenser Performance Improvement Mollier Diagram Subcool Effect Subcool Q Q Q + Q Subcool Effect Gives Q Extra Cooling 1. Enhance Heat Transfer (Improved Tube & Fin Efficiency) Conventional 16 mm 1.7 mm 7.8 mm Newest 1.0 mm 5.4 mm 16 mm (approximate dimensions) Compressor Load Ratio Effect % Down 2. Increased Core Effective Area Conventional Newest Tank Height Side Plate Height Old Current 10
11 Compressor Efficiency Improvement Compressor Efficiency (%) Latest Compressor Exceeds 70%. HFC134a Year
12 Continuously Variable Displacement Compressor Max Displacement Piston Piston Stroke Max Pd Ps Pc Control Valve Pc = Ps Piston Stroke Partial Displacement Piston Stroke Max~Min Pd Shaft Swash-Plate Control Valve Ps Pc Control Valve Pc Ps Piston Stroke 12
13 Characteristics of Variable Displacement Compressor Analysis Method Divide into Compressor Efficiency and Cycle Performance practice practice Isentropic Process theory practice System Comp. efficiency ad Pd Td Ps Ts theory practice Pressure 13 theory Cycle enthalpy Variable Displacement Comp System is improved.
14 Effect of Variable Displacement Compressor System Torque 0 100%/ON-OFF Variable Displacement Comp. Torque Better In the performance controlled region, the variable displacement compressor system shows a better performance than the fixed compressor system 14
15 A/C Cycle System efficiency improvement A/C Control improvement Power saving control Humidity control Coordination with Powertrain Vehicle Thermal Management Improvement 15
16 Power saving Control using external variable compressor Conventional Control (Internal Variable Compressor) Temp. Tin Evap. Tin 20deg. Te Te 3deg. H/C Tout Tout 15deg. Economy Control Logic TEO ( o C) Target of Air Temp. after Evaporator Demist Power Saving Comfort Humidity 15 External Variable 10 Current: 5 Internal Variable Ambient Temperature TAM ( o C) Power saving Control (External Variable Compressor) Temp. Evap. H/C Tin Te Tin 20deg. Te 12deg. Tout Tout 15deg. Effect Power Consumption ratio % Economy Conventional 16
17 Absolute Humidity(g/kg ) Humidity Control (1) Relative Humidity 100% 80% 60% 40% 20% Temp. Cowl adopted by PRIUS Dehumidify Heater core Evaporator Blower Compressor Condenser -Control the outlet air temp. & humidity by changing the evaporator temperature (TEO) 17
18 Configuration Ambient sensor High-side Pressure sensor Exp. Thermistor Evap out Air temp Te High pressure Ph Ambient temp Ta A/C Switch Condenser Evaporator Humidity Control (2) A/C ECU Calculate: Duty ratio Comp power Cabin temperature and Humidity 18 Comp. Control Valve Evap out air temp. ( ) 12 0 Effect Windshield humidity target: 90% Demist Demist Line Minimum dehumidification Cabin humidity Target: 60% Humidity Comfort Zone w/o Humidity control No Reheat With Humidity control Ambient temperature ( ) w/o Humidity Control With Humidity Control Conditions: 25 C-50% Blower: M1-20% 0 1 Power Consumption Ratio
19 A/C Cycle System efficiency improvement A/C Control improvement Coordination with Powertrain Vehicle Thermal Management Improvement 19
20 Coordination with Powertrain Approach Driving condition Driver s request Engine Output (Driving) Comp.Power Comp. Air-condition Cooperative control E/G-A/C with external compressor Compressor management Displacement Control due to Cooling performance Displacement control due to Compressor power 20
21 Control Pattern for Compressor Power Control Acceleration Control Cooling Performance Comp power consumption Reduce comp displacement during Acceleration Current (Ps control) New control Much Power saving with minimum performance reduction Time Deceleration Control Comp power consumption A/C fuel consumption Store the cool air during Deceleration (Displacement: Maximum) Fuel cut Store cold air Discharge the cold air Improve fuel consumption Time Vehicle speed Acceleration Cruising Deceleration Stop(Idle) Time Compressor is run for required cooldown performance with minimum power consumption. Idle speed is suitably controlled based on compressor power consumption. 21
22 A/C Cycle System efficiency improvement A/C Control improvement Coordination with Powertrain Vehicle Thermal Management Improvement Reduction of Vehicle Heat Prevention of Heated Air Re-entry into Condenser 22
23 Vehicle Thermal Management Improvement 1. Reduction of Vehicle Heat Load Heat Insulation (Roof) Heat Insulation (Pillar) Solar Radiation Absorption Glass (Rear) Solar radiation Absorption Glass (Side) Effect Item Heat Insulation (Roof, Pillar) Solar Radiation Absorption Glass (Rear, Side) Effect of Heat load reduction -6% -3% 23
24 Vehicle Thermal Management Improvement 2. Prevention of Heated Air Re-entry into Condenser Shutter Stops Heated Air Re-Entry Shutter Engine Heated Air Lower Cover Lower Cover Shutter Effect Condenser Inlet Air Temperature Reduced by 6 o C 24
25 Example of Application to Vehicle Power Consumption Ratio Toyota COROLLA Nearly 20% Subcool System Serpentine Condenser Subcool Condenser Compressor Improvement ad 0.62 ad Model 2001 Power Consumption of Compressor After 30minutes at Idling 25
26 Summary Many A/C Power Saving Technologies Have Been Developed; A/C Cycle & System Efficiency Improvement A/C Control Efficiency Improvement Coordination With Powertrain Vehicle Thermal Management Improvement Some Already Adopted in Mass-production Vehicles Technologies Will Be Further Expanded in the Future. 26
Development of CO 2 A/C System
Development of CO 2 A/C System CK s s Aiming of CO 2 Air Conditioning System Aiming CK develops two kinds of CO 2 air conditioning systems. These are the one for the vehicles of a source of the present
More informationHVAC SYSTEM (HEATER, VENTILATOR, AND A/C)
HVAC SYSTEM (HEATER, VENTILATOR, AND A/C) HEATER SYSTEM 1. Heater System A: GENERAL A semi-center type integrated air conditioning unit is used, where a high performance heater core and an evaporator core
More informationSection 6. Introduction to Automatic A/C. Automatic Temperature Control
Automatic Control Introduction to Automatic A/C The heating, ventilation and air conditioning (HVAC) system in a house contains a wall-mounted thermostat to control outlet temperatures, distribution and
More informationHEATER, AIR CONDITIONING AND VENTILATION
55-1 GROUP 55 HEATER, AIR CONDITIONING AND VENTILATION CONTENTS GENERAL DESCRIPTION 55-2 HEATER AND AIR CONDITIONING SYSTEM 55-4 HEATER CONTROL 55-6 A/C-ECU 55-7 A/C COMPRESSOR 55-9 CONDENSER 55-9 DUCT
More informationTHERMO KING TRUCK & TRAILER UNIT ALARM CODES THIS DOCUMENT SHOWS ALL CURRENT ALARM CODES FOR THERMO KING TRUCK AND TRAILER UNITS.
THERMO KING TRUCK & TRAILER UNIT ALARM CODES THIS DOCUMENT SHOWS ALL CURRENT ALARM CODES FOR THERMO KING TRUCK AND TRAILER UNITS. NOT ALL CODES ARE POSSIBLE ON ANY INDIVIDUAL UNIT. IF THE ALARM APPLIES
More informationAir Conditioning System
Air Conditioning System 1 Chonan Technical Service Training Center Chonan Technical Service Training Center 2 Objectives To understand the components of air conditioning system. To understand the control
More informationTSB #: 74 Date: 9/7/2013 HOLDEN VE/WM HVAC & A/C DIAGNOSTIC HINTS
HOLDEN VE/WM HVAC & A/C DIAGNOSTIC HINTS TSB #: 74 Date: 9/7/2013 Initial Once Read: In this technical bulletin we have listed diagnostic advice relating to the Holden VE/WM HVAC & A/C system. This information
More informationBasic Technology Series
Basic Technology Series Fundamentals of Car Air Conditioning 2007 Air Conditioning #003 The Rear Cooler Construction Fan Fan Filter Figure A : Trunk Figure B : Overhead Dual Air-Conditioner In This Issue
More informationMAXIMUM HEAT LOAD TEMPERATURE TESTING ( Differential Temperature Testing )
MAXIMUM HEAT LOAD TEMPERATURE TESTING ( Differential Temperature Testing ) The Concept Maximum Heat Load Temperature Testing is a powerful air-conditioning diagnostic and evaluation technique. It is also
More informationNew Trends in the Field of Automobile Air Conditioning
New Trends in the Field of Automobile Air Conditioning E. Janotkova and M. Pavelek Department of Thermomechanics and Environmental Engineering Brno University of Technology, 61669 Brno, Czech Republic
More informationAUTOMATIC CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
SECTION 7D AUTOMATIC CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM TABLE OF CONTENTS Description and Operation... 7D- General... 7D- FATC Control... 7D- FATC Input/Output Routing Diagram...
More informationDESIGN OF AIR CONDITIONING SYSTEM IN AUTOMOBILE
DESIGN OF AIR CONDITIONING SYSTEM IN AUTOMOBILE Md Shahid Imam, Dr.M.Shameer Basha, Dr.Md.Azizuddin, Dr. K.Vijaya Kumar Reddy 4 M.Tech HVAC II Yr, Royal Institute of Technology & Science Chevella R.R Dist
More informationIII. Roof Mount AC Mobile Climate Control 19 MCC Reference Manual 2014
III. Roof Mount AC Mobile Climate Control 19 MCC Reference Manual 2014 III.1. Large Roof Mount PN: 89-3037 Roof Mount Unit Eco 136 Parallel roof mount Air-conditioning and ventilation systems The Eco 136
More informationAutomatic air conditioning system
Automatic air conditioning system Airflow and outlets are automatically adjusted according to the temperature setting. Control panel Windshield defogger Driver s side temperature control dial Air conditioning
More informationHybrid Air Conditioning Systems Overview
Southern Illinois University Carbondale OpenSIUC Presentations Department of Automotive Technology Spring 2011 Hybrid Air Conditioning Systems Overview Eugene Talley Southern Illinois University Carbondale,
More informationA/C refrigerant system, overview
Page 1 of 19 87-18 A/C refrigerant system, overview A/C refrigerant system, identification Typical A/C refrigerant system with expansion valve and receiver drier 1 - Evaporator 2 - Expansion valve 3 -
More informationRefrigerant System for Vehicle Air- Conditioning NISSAN / ZEXEL. Phoenix Alternate Refrigerant Forum June,28----July,1 Phoenix, AZ
A CO 2 Refrigerant System for Vehicle Air- Conditioning NISSAN / ZEXEL Phoenix Alternate Refrigerant Forum June,28----July, Phoenix, AZ Outline ZEXEL Activities for Environment Protection 99 Model of CO
More information01-3 0000-00 6810-20 AIR CONDITIONING SYSTEM 1. FFH SPECIFICATION AIR CONDITIONING SYSTEM RODIUS 2004.09
0000-00 01-3 6810-20 1. FFH SPECIFICATION 01-4 0000-00 2. SYSTEM LAYOUT AND COMPONENTS 0000-00 01-5 01-6 0000-00 3. FFH GENERAL INFORMATION The system is to increase the coolant temperature quickly by
More informationDIESEL-FUELED, BLOWN AIR, DUCTABLE HEATERS
DIESEL-FUELED, BLOWN AIR, DUCTABLE HEATERS Electronic thermostatically controlled Low power consumption Compact space saving size Short heat-up times Dehumidification of the cabin Quiet when running Combustion
More informationA/C System Control Strategies for Major Refrigerant Options
A/C System Control Strategies for Major Refrigerant Options J.Benouali, S.Karl, C.Petitjean Final June 11th, 28 ntroduction AR selection and then? 1 years to come to AR selection 1 years ago: 1st Phoenix
More informationAir conditioning, electrical testing
just a test. Air conditioning, electrical testing 01-253 Wire and component test using VAG1598 A test box Special tools and equipment VAG 1598 A test box and VAG 1598/11 adapter cable and VAG 1598/12 VAG1526
More informationFailure code manual. content
Failure code manual content 一 wall split AC series 2 二 floor standing AC series. 4 三 portable AC series.. 5 四 dehumidifer 6 五 DC inverter single split series...7 六 DC inverter multi-split series 10 1 一
More informationAutomatic air conditioning system (with the Lexus Display Audio system)
Automatic air conditioning system (with the Lexus Display Audio system) Air outlets and fan speed are automatically adjusted according to the temperature setting. To display the air conditioning operation
More informationSilicagel-water adsorption cooling prototype system for mobile air conditioning
Silicagel-water adsorption cooling prototype system for mobile air conditioning R. de Boer S.F. Smeding S. Mola Paper to be presented at the Heat Powered Cycles Conference 09 Berlin, 7 to 9 September 2009
More informationINSTALLATION MANUAL INSIDE ENGINE COMPARTMENT ZZT22#R (1ZZ-FE / 3ZZ-FE) / AZT220R (1AZ-FE) FOR EUROPEAN SPEC. AIR CONDITIONING ENGLISH.
HFC 134a Ozone Friendly Refrigerant ZZT22#R (1ZZ-FE / 3ZZ-FE) / AZT220R (1AZ-FE) FOR EUROPEAN SPEC. AIR CONDITIONING ENGLISH AAAMU-63 INSIDE ENGINE COMPARTMENT INSTALLATION MANUAL 2000 (EUROPE) B.V.. All
More informationCLOSE CONTROL SYSTEM. PFD series provide you with highly reliable computer room cooling system. High Reliability
PFD-P250VM-E PUHY-P250YJM-A(-BS) PUHY-P500YSJM-A(-BS) PQHY-P250YHM-A CLOSE CONTROL SYSTEM MITSUBISHI ELECTRIC s Close Control System (PFD series) is specifically designed for computer rooms, laboratories
More informationGlossary of Heating, Ventilation and Air Conditioning Terms
Glossary of Heating, Ventilation and Air Conditioning Terms Air Change: Unlike re-circulated air, this is the total air required to completely replace the air in a room or building. Air Conditioner: Equipment
More informationAuxiliary HVAC RAM ProMaster. Standard Tie-in Extreme Climate System
Auxiliary HVAC RAM ProMaster Standard Tie-in Extreme Climate System Auxiliary HVAC High performance aftermarket heating and cooling systems engineered for vehicle specific platforms that minimize install
More informationON-VEHICLE INSPECTION
Sight Glass I11244 ONVEHICLE INSPECTION 1. INSPECT REFRIGERANT VOLUME Observe the sight glass on the liquid tube. AC3 AC22F05 Test conditions: Running engine at 1,500 rpm Blower speed control switch: HI
More informationLesson 36 Selection Of Air Conditioning Systems
Lesson 36 Selection Of Air Conditioning Systems Version 1 ME, IIT Kharagpur 1 The specific objectives of this chapter are to: 1. Introduction to thermal distribution systems and their functions (Section
More informationAdvanced Engine Cooling Systems for Vehicle Application
Advanced Engine Cooling Systems for Vehicle Application Italo LONGO EMEA Engine Systems Unit Responsible April 2015 Italo Longo Engine Systems Unit Responsible EDUCATION Mechanical Engineering Master Degree
More informationE46 IHKA... 4. Control Panel... 4. Fresh Air Micro Filter... 5. Temperature Regulation - Heating... 6. Temperature Regulation - Cooling...
Table of Contents E46 CLIMATE CONTROL Subject Page E46 IHKA................................................ 4 Control Panel........................................... 4 Fresh Air Micro Filter......................................
More informationSection 7. Evaporator thermistor. Under-and-over pressure safety switches. Connections to the ECU
Automatic Temperature Control Diagnosis and Repair Diagnosis of Automatic A/C Systems The most common automatic A/C system malfunctions tend to be the result of basic air conditioning problems. These problems
More informationHeating/Ventilation. As regards the heating and ventilation system in the Fabia, two equipment versions are available:
Heating/Ventilation SP 32_111 As regards the heating and ventilation system in the Fabia, two equipment versions are available: a heater unit an automatic heater/air conditioning unit. A recirculated air
More informationTHEORETICAL AND EXPERIMENTAL EVALUATION OF AUTOMOBILE AIR-CONDITIONING SYSTEM USING R134A
THEORETICAL AND EXPERIMENTAL EVALUATION OF AUTOMOBILE AIR-CONDITIONING SYSTEM USING R134A Jignesh K. Vaghela Assistant Professor, Mechanical Engineering Department, SVMIT, Bharuch-392001, (India) ABSTRACT
More informationECOCIAT. Domestic hot water heat recovery unit
Heat recovery unit Domestic hot water High energy efficiency with R410A Compact and quiet Scroll compressors Brazed-plate heat exchangers Heating Heat recovery ENVIRONMENTALLY HFC R410A PROTECTION DE FRIENDLY
More informationVariable Capacity Compressors, a new dimension for refrigeration engineers to explore
Variable Capacity Compressors, a new dimension for refrigeration engineers to explore By: Marcos G. Schwarz, VCC Group Leader Corporate Research & Development, EMBRACO SA Abstract: This paper presents
More informationSECTION 5 COMMERCIAL REFRIGERATION UNIT 22 CONDENSERS
SECTION 5 COMMERCIAL REFRIGERATION UNIT 22 CONDENSERS UNIT OBJECTIVES After studying this unit, the reader should be able to explain the purpose of the condenser in a refrigeration system. describe differences
More informationOpen Cycle Refrigeration System
Chapter 9 Open Cycle Refrigeration System Copy Right By: Thomas T.S. Wan 温 到 祥 著 Sept. 3, 2008 All rights reserved An open cycle refrigeration system is that the system is without a traditional evaporator.
More informationV.A.G. Service. CLIMAtronic. CLIMAtronic USE AT YOUR OWN RISK. This document is an UNOFFICIAL translation of: V.A.G. Service
V.A.G. Service CLIMAtronic Construction and Function Self-Study Program 135 This document is an UNOFFICIAL translation of: V.A.G. Service CLIMAtronic Konstruction and Funktion Selbststudienprogramm Nr.
More informationElectronically Controlled Clutchless or Variable Drive Compressors
Electronically Controlled Clutchless or Variable Drive Compressors On many new air conditioning systems, such as Lexus, Cadillac, Chrysler, and others, a new type of compressor has been fitted. There are
More informationPerformance Test of Solar Assisted Solid Desiccant Dryer
Performance Test of Solar Assisted Solid Desiccant Dryer S. MISHA 1,2,*, S. MAT 1, M. H. RUSLAN 1, K. SOPIAN 1, E. SALLEH 1, M. A. M. ROSLI 1 1 Solar Energy Research Institute, Universiti Kebangsaan Malaysia,
More informationModel: AC-S13CG x 2. Model No: AC-S13CGx2.doc Version 1.0
Air Conditioner Service Manual 2 3 Model: AC-S13CG x 2 3 Content Technical specification.. 4 Performance curve.5 Outline & dimension of indoor unit..10 Outline & dimension of outdoor unit 11 Exploded view
More informationHVAC-02, Air Conditioning Troubleshooting and Repair
HVAC-02, Air Conditioning Troubleshooting and Introduction Since I'm constantly receiving questions on 944 air conditioning systems, I figured it's time to come up with come helpful troubleshooting tips.
More informationCommercial Hot Water. Make a difference...
Commercial Hot Water Make a difference... heat S O L A R pumps The Company Quantum Energy Technologies The Quantum story is based on innovation and the quest to harness renewable energy to produce sustainable
More informationTechnical Support Bulletin Nr. 20 Special AC Functions
Technical Support Bulletin Nr. 20 Special AC Functions Summary! Introduction! Hot Start Control! Adaptive Control! Defrost Start Temperature Compensation Control! Anti-Sticking Control! Water Free Cooling
More informationPerformance Evaluation of a Heat Pump System for Simultaneous Heating and Cooling
for Simultaneous Heating and Cooling F. Sustainable Energy Centre, University of South Australia Mawson Lakes Boulevard, Mawson Lakes 5095 AUSTRALIA E-mail: Frank.@UniSA.edu.au Abstract The high efficiency
More informationVicot Solar Air Conditioning. V i c o t A i r C o n d i t i o n i n g C o., l t d Tel: 86-531-8235 5576 Fax: 86-531-82357911 Http://www.vicot.com.
Vicot Solar Air Conditioning V i c o t A i r C o n d i t i o n i n g C o., l t d Tel: 86-531-8235 5576 Fax: 86-531-82357911 Http://www.vicot.com.cn Cooling, heating, and domestic hot water. Return on investment
More informationDIESEL-FUELED, BLOWN AIR, DUCTABLE HEATERS
DIESEL-FUELED, BLOWN AIR, DUCTABLE HEATERS Electronic thermostatically controlled Low power consumption Compact space saving size Short heat-up times Dehumidification of the cabin Quiet when running Combustion
More informationIV. Rear Mount System
Mobile Climate Control 45 MCC Reference Manual 2014 PN: 89-3069 Rearmount Air Conditioning System Eco RM Capacity, Reliability, and Serviceability MCC Eco RM unit, selected as preferred equipment by leading
More informationCOURSE TITLE : REFRIGERATION AND AIR CONDITIONING COURSE CODE : 4029 COURSECATEGORY : A PERIODS/WEEK : 5 PERIODS/SEMESTER : 90 CREDITS : 4 OBJECTIVES
COURSE TITLE : REFRIGERATION AND AIR CONDITIONING COURSE CODE : 4029 COURSECATEGORY : A PERIODS/WEEK : 5 PERIODS/SEMESTER : 90 CREDITS : 4 TIME SCHEDULE MODULE TOPICS PERIODS 1 Introduction 22 Principles
More informationApplications in Mobile Air-Conditioning and Applications in Heat Pumps
Carbon Dioxide as Refrigerant Applications in Mobile Air-Conditioning and Applications in Heat Pumps Petter Nekså Senior Research Scientist, Norway 1 SINTEF location, Trondheim, Norway SINTEF does contract
More information3. AIR CONDITIONER CONTROLLER (UNIT)
9 3. AIR CONDITIONER CONTROLLER (UNIT) Functions of Full Automatic Air Conditioner ler 1 1. Temp SW 2. Auto SW 3. OFF SW 4. Amb SW 5. Mode SW 6. Blower SW 2 3 10 5 8 7 9 Temperature control: Air mix actuator
More informationHeat Recovery Dehumidification (HRD) system. Designed for municipal swimming pools
Heat Recovery Dehumidification (HRD) system Designed for municipal swimming pools A dehumidification and ventilation system with dynamic heat pump heat recovery to swimming pool water and air ENVIRONMENTAL
More informationAutomatic air conditioning system
Automatic air conditioning system Air outlets and fan speed are automatically adjusted according to the temperature setting. With navigation system Owners of models equipped with a navigation system should
More informationLG Electronics AE Company, Commercial Air Conditioning
www.lgeaircon.com New concept Ecofriendly Highefficiency Heating solution Total heating & Hot water Solution for MULTI V LG Electronics AE Company, Commercial Air Conditioning 2 Yeouidodong, Yeongdeungpogu,
More informationDERON Air/Water Swimming pool Heat Pump. CY/DY series for Heating/Cooling. Description
Description Compact air/water heat pump for outside installation. With suction gas cooled rotary compressor. With extensive aluminium/cu lamellar tube evaporator and PVC Titanium condenser. Axial fan Refrigerant
More informationAIR CONDITIONING SYSTEM (FOR AUTOMATIC AIR CONDITIONING SYSTEM)
2008 HVAC Air Conditioning - RAV4 AIR CONDITIONING SYSTEM (FOR AUTOMATIC AIR CONDITIONING SYSTEM) PRECAUTION 1. IF ANY OF FOLLOWING CONDITIONS ARE MET, KEEP ENGINE IDLING WITH A/C ON (ENGINE SPEED AT LESS
More information3Aftermarket Systems. Air Conditioners and Kombos.. 411. Heater/Pressurizer...440. System Matrix...441. Aftermarket System Requirements...
3Aftermarket Systems Air Conditioning & Heating Replacement Parts Aftermarket Systems Air Conditioners and Kombos.. 411 KA-300 Air Conditioner... 411 KK-315 Heater/Air Conditioner Kombo...412 KA-400 Air
More informationCold Room & Refrigeration System (Casserole Assembly) No of units: 1
Technical Specifications Cold Room & Refrigeration System (Casserole Assembly) No of units: 1 For chiller storage of all sorts of items Chiller storage temperature: 2-5 C Provides excellent thermal efficiency
More informationCRAC Precision climate control units for data centres
CRAC Precision climate control units for data centres 2 Rittal Computer Room Air Conditioner The whole is more than the sum of its parts The same is true of Rittal The System. With this in mind, we have
More information3-2. Using the air conditioning system and defogger Automatic air conditioning system
Automatic air conditioning system Airflow and outlets are automatically adjusted according to the temperature setting. Press to display the air conditioning operation screen. Air conditioning operation
More informationTheoretical Study on Separate Sensible and Latent Cooling Air-Conditioning System
Purdue University Purdue e-pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 2008 Theoretical Study on Separate Sensible and Latent Cooling Air-Conditioning
More informationFault codes DM1. Industrial engines DC09, DC13, DC16. Marine engines DI09, DI13, DI16 INSTALLATION MANUAL. 03:10 Issue 5.0 en-gb 1
Fault codes DM1 Industrial engines DC09, DC13, DC16 Marine engines DI09, DI13, DI16 03:10 Issue 5.0 en-gb 1 DM1...3 Abbreviations...3 Fault type identifier...3...4 03:10 Issue 5.0 en-gb 2 DM1 DM1 Fault
More informationAutomobile Air Conditioning Primer
Automobile Air Conditioning Primer An air conditioner is basically a refrigerator without the insulated box. It uses the evaporation of a refrigerant, like Freon, to provide cooling. The mechanics of the
More informationChapter 3.4: HVAC & Refrigeration System
Chapter 3.4: HVAC & Refrigeration System Part I: Objective type questions and answers 1. One ton of refrigeration (TR) is equal to. a) Kcal/h b) 3.51 kw c) 120oo BTU/h d) all 2. The driving force for refrigeration
More informationSystem Diagnosis. Proper vehicle diagnosis requires a plan before you start
System Diagnosis Proper vehicle diagnosis requires a plan before you start Following a set procedure to base your troubleshooting on will help you find the root cause of a problem and prevent unnecessary
More informationCombi Unit Genius. The energy efficient Building Service Centre
Fans Air Handling Units Air Distribution Products Fire Safety Air Curtains and Heating Products Tunnel Fans Combi Unit Genius The energy efficient Building Service Centre systemair Central Building Services
More information01-3 6820-11 6820-11 AIR CONDITIONER GENERAL 1. SPECIFICATIONS AIR CONDITIONER REXTON 2010.01
682011 013 GENERAL 1. SPECIFICATIONS 682011 014 682011 2. REPAIR INSTRUCTIONS 1) Precautions for Working with R134a R12 refrigerant and R134a refrigerant are not compatible. These refrigerants must never
More informationSERVICE MANUAL OUTDOOR UNIT. No. OBH590 REVISED EDITION-B. Models HFC
SPLIT-TYPE AIR CONDITIONERS Revision B: MUZ-EF25/35/42/50VE - E2 and MUZ-EF25/35VEH - E2 have been added. Please void OBH590 REVISED EDITION-A. OUTDOOR UNIT SERVICE MANUAL HFC utilized R410A. OBH590 REVISED
More informationPROCEDURES FOR SELF DIAGNOSTICS
PROCEDURES FOR SELF DIAGNOSTICS Baum Tools Unlimited Inc. March 31, 1999 TAU 2.1 READING ACTUAL VALUES 1. Remove the operating console from the TAU 2. At the upper side of the operating consol there is
More informationAir Conditioners Technical Data
Air Conditioners Technical Data O u t d o o r U n i t E E D E N 2-0 0 RX-JV Outdoor Unit RX-JV TABLE OF CONTENTS RX-JV Features............................................................. 2 2 Specifications.......................................................
More informationIndoor coil is too warm in cooling mode or too cold in heating mode. Reversing valve or coil thermistor is faulty
Codes Room Air Conditioner range: Indoor unit alarm s If timer lamp flashes for 1 second on, 1 second off, this indicates pre heating on the coil during heating mode and is not an error. If timer lamp
More informationSERVICE MANUAL MUZ-GE25VA - E1 MUZ-GE25VAH - E1 MUZ-GE35VA - E1 MUZ-GE35VAH - E1 MUZ-GE42VA - E1 MUZ-GE42VAH - E1 MUZ-GE50VA - E1 MUZ-GE50VAH - E1
SPLIT-TYPE AIR CONDITIONERS Revision A: MUZ-GE42/50VA(H) - E1 has been added. Please void OBH516. OUTDOOR UNIT SERVICE MANUAL HFC utilized R410A. OBH516 REVISED EDITION-A Models MUZ-GE25VA - E1 MUZ-GE25VAH
More informationDrives and motors. A guide to using variable-speed drives and motors in retail environments
Drives and motors A guide to using variable-speed drives and motors in retail environments Improving energy efficiency and lowering the carbon footprint Retailers across the UK take their corporate responsibility
More informationUNIT 2 REFRIGERATION CYCLE
UNIT 2 REFRIGERATION CYCLE Refrigeration Cycle Structure 2. Introduction Objectives 2.2 Vapour Compression Cycle 2.2. Simple Vapour Compression Refrigeration Cycle 2.2.2 Theoretical Vapour Compression
More informationAutomatic air conditioning system
Automatic air conditioning system Airflow and outlets are automatically adjusted according to the temperature setting. With navigation system Owners of models equipped with a navigation system should refer
More informationCLIMATE CONTROL SYSTEM OPERATION, DIAGNOSIS, AND REPAIR
CLIMATE CONTROL SYSTEM OPERATION, DIAGNOSIS, AND REPAIR Welcome to Climate Control System Operation, Diagnosis, and Repair, which is the final training course in the Electrical training sequence. When
More informationHeater and Air Conditioner, Blend Air System, Troubleshooting 83.06
A/C Performance Diagnosis Problem Warm Airflow When the Air Conditioner is On, A/C Not Working, or Poor A/C Performance (dash outlet temperature is too high) Problem Warm Airflow When the Air Conditioner
More informationEnvironmental and Safety Impacts of HFC Emission Reduction Options for Air Conditioning and Heat Pump Systems
Environmental and Safety Impacts of HFC Emission Reduction Options for Air Conditioning and Heat Pump Systems William M. Corcoran, George Rusch, Mark W. Spatz, and Tim Vink AlliedSignal, Inc. ABSTRACT
More informationDevelopment and testing of a multi-type air conditioner without using AC inverters
Energy Conversion and Management 46 (2005) 373 383 www.elsevier.com/locate/enconman Development and testing of a multi-type air conditioner without using AC inverters Shih-Cheng Hu *, Rong-Hwa Yang Department
More informationHeavy-Duty Air Conditioning And Heater Service
A i r C o n d i t i o n i n g S y s t e m Red Dot HVAC Training Manual Heavy-Duty Air Conditioning And Heater Service Heavy Duty Air Conditioning and Heating Service Training Manual Go to Table of Contents
More informationRefrigeration Air Dryers. Catalogue
Refrigeration Air Dryers Catalogue GB Using a dryer is worth it Humidity is a component of atmospheric air, which can be found in our compressed air distribution systems and the machines that use the compressed
More informationService manual. Website: www.andico.com.au CAUTION - BEFORE SERVICING THE UNIT, READ THE SAFETY - PRECAUTIONS IN THIS MANUAL.
Website: www.andico.com.au Service manual CAUTION - BEFORE SERVICING THE UNIT, READ THE SAFETY - PRECAUTIONS IN THIS MANUAL. - ONLY FOR AUTHORISED SERVICE PERSONNEL. MODELS: MPK1-09CR-QB8 MPK1-12ER-QB6
More information42-Volt Electric Air Conditioning System Commissioning and Control For a Class-8 Tractor
2004-01-1478 42-Volt Electric Air Conditioning System Commissioning and Control For a Class-8 Tractor Bapiraju Surampudi, Mark Walls, Joe Redfield, Alan Montemayor Southwest Research Institute Chips Ingold
More informationMODELLING AND OPTIMIZATION OF DIRECT EXPANSION AIR CONDITIONING SYSTEM FOR COMMERCIAL BUILDING ENERGY SAVING
MODELLING AND OPTIMIZATION OF DIRECT EXPANSION AIR CONDITIONING SYSTEM FOR COMMERCIAL BUILDING ENERGY SAVING V. Vakiloroaya*, J.G. Zhu, and Q.P. Ha School of Electrical, Mechanical and Mechatronic Systems,
More informationDirect Fresh Air Free Cooling of Data Centres
White Paper Introduction There have been many different cooling systems deployed in Data Centres in the past to maintain an acceptable environment for the equipment and for Data Centre operatives. The
More informationResearch on the Air Conditioning Water Heater System
Purdue University Purdue e-pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 28 Research on the Air Conditioning Water Heater System Fei Liu Gree Electric
More informationAir-sourced 90 Hot Water Supplying Heat Pump "HEM-90A"
Air-sourced 90 Hot Water Supplying Heat Pump "HEM-90A" Takahiro OUE *1, Kazuto OKADA *1 *1 Refrigeration System & Energy Dept., Compressor Div., Machinery Business Kobe Steel has developed an air-sourced
More informationHOW HVAC WORKS. How HVAC. Works PAGE 1
How HVAC Works PAGE 1 Heat - What is it? Heat is more than a physical concept - it is a feeling. Heat is taught to us at a very young age as a danger to be avoided. Yet, have you ever stopped and thought
More informationSWIMMING POOL AIR-HANDLING UNITS KU-DB Series
SWIMMING POOL AIR-HANDLING UNITS KU-DB Series ME20 proklima 2 SWIMMING POOL AIR-HANDLING UNITS - KU-DB Series proklima 3 TABLE OF CONTENTS 1 Introduction page 3 2 Features page 4 SWIMMING POOL AREA t =
More informationROOFTOP - HEAT PUMP UNIT. This document applies when installing into an air handler or as part of an air handling system.
ROOFTOP - HEAT PUMP UNIT Technical data Applies to Model YNRA R410A This document applies when installing into an air handler or as part of an air handling system. CONTENTS 1. General description... 2
More informationTechnical data. Danfoss DHP-A
Technical data Danfoss DHP-A An air heat pump which produces both heat and hot water Can operate efficiently down to -0 C Danfoss TWS tank gives plenty of hot water quickly and with low operating costs
More informationCreating Efficient HVAC Systems
Creating Efficient HVAC Systems Heating and Cooling Fundamentals for Commercial Buildings Heating, ventilating, and air conditioning (HVAC) systems account for nearly half of the energy used in a typical
More informationINNOVATIVE SOLUTION OF DOMESTIC HEATING SPLIT TYPE SPLIT DHW INTEGRATED TYPE MONOBLOC TYPE
INNOVATIVE SOLUTION OF DOMESTIC HEATING SPLIT TYPE SPLIT DHW INTEGRATED TYPE MONOBLOC TYPE Fujitsu General realizes considerable energy saving operations by the Heat pump heating system using the ambient
More informationHVAC Systems: Overview
HVAC Systems: Overview Michael J. Brandemuehl, Ph.D, P.E. University of Colorado Boulder, CO, USA Overview System Description Secondary HVAC Systems Air distribution Room diffusers and air terminals Duct
More informationHeating / Ventilation / Air Conditioning Room Climate Control with ABB i-bus KNX
Heating / Ventilation / Air Conditioning Room Climate Control with ABB i-bus KNX Content Heating / Ventilation / Air Conditioning 3 The Right Room Climate 4 Optimised Energy Efficiency and well-being Room
More informationUnico Inverter. Unique and efficient.
Unico Inverter. Unique and efficient. INTERNATIONAL PATENT PENDING The first fixed air conditioner without outdoor unit featuring DC Inverter technology. Great performance, reduced consumption. Designed
More informationSOLAR-POWERED COOLING, DEHUMIDIFICATION AND AIR CONDITIONING
SOLAR-POWERED COOLING, DEHUMIDIFICATION AND AIR CONDITIONING Prof. Gershon Grossman Faculty of Mechanical Engineering Technion, Israel Institute of Technology Haifa 32000, ISRAEL November 2010 Solar Cooling,
More informationSOLEL SUNCOOLER SOLAR-POWERED AIR-CONDITIONING / HEATING SYSTEM
SOLEL SUNCOOLER SOLAR-POWERED AIR-CONDITIONING / HEATING SYSTEM organization / project coordinator (address, telephone, email) Solel Solar Systems Ltd./ Mr. Avi Brenmiller 3, Hac'shara St, Industrial Zone
More information