KTE-1000AHU

AIR-CONDITIONING UNIT AUTOMATIC CONTROL EQUIPMENT

Equipment Introduction

Blower airflow and current analysis
Experiments on blower airflow rate and motor current variation according to changes in system static pressure
Indoor air condition and pressure loss analysis
Practical analysis of indoor temperature and humidity variations, as well as pressure loss across filters and coils, based on changes in blower airflow
Heating and humidification experiments
Hands-on experiments demonstrating heating and humidification processes within an air handling system
Psychrometric chart generation and air property analysis
Automatic construction of the psychrometric (humid air) chart for detailed analysis of air properties
Real-time data acquisition and analysis
The supplied DAQ program enables real-time measurement of temperature, humidity (RH, AH), enthalpy, and heat transfer at multiple locations throughout the system. All measured data can be saved in Microsoft Excel format and visualized through graphical analysis for further study

Equipment Characteristics

System Configuration
Fresh Air → Mixed Air → Filter 1 → Pre-Heater → Pre-Cooler → Humidifier → Filter 2 → Re-Heater → Re-Cooler → Blower → Room → Return Air
Operation and Control
The system can be operated in manual mode as well as automatic temperature and humidity control modes. Operation is managed through sequence control, with real-time visualization using a psychrometric chart and digital display of temperature and pressure data.
Data Acquisition and Storage
All measured data are recorded in real time and can be saved to a PC in Microsoft Excel format. Data logging is available at one-second intervals, enabling detailed system performance analysis.
Experimental Parameters
- Cooling and heating capacity of the room chamber
- Bypass factor
- Humidification performance
- Dehumidification performance
- Psychrometric chart analysis
- Temperature measurement data
Data Logging Function
Measured data can be saved at one-minute intervals for up to 1,440 minutes by clicking the “SAVE” button, allowing long-term performance evaluation and comparison of operating conditions.

Education Contents

Psychrometric Chart Generation Using Software
- Drawing and analysis of psychrometric charts using dedicated software tools.
Pre-Cooling and Re-Cooling Performance Analysis of the Air Handling System
- Measurement and analysis of pre-cooling and re-cooling processes in the air handling system.
Heating and Humidification Performance Analysis of the Air Handling System
- Measurement and analysis of heating and humidification processes.
Temperature Control Sequence Circuit for OA/RA Mixing and Heating
- Configuration and operation of a temperature control sequence circuit for outdoor air (OA) and return air (RA) mixing with heating control.
Temperature Control Sequence Circuit for OA/RA Mixing and Cooling
- Configuration and operation of a temperature control sequence circuit for OA/RA mixing with cooling control.
Temperature Control Sequence Circuit for OA/RA Mixing and Humidification
- Configuration and operation of a temperature control sequence circuit for OA/RA mixing with humidification control.
Reheating Sequence Circuit for OA/RA Mixing, Preheating, and Air Cleaning
- Configuration and operation of a reheating sequence circuit including OA/RA mixing, preheating, and air cleaning (filtration).
Sequence Control Circuit:
OA Pre-Cooling → OA/RA Mixing → Air Cleaning → Heating
- Configuration and operation of a sequence control circuit for outdoor air pre-cooling, OA/RA mixing, air cleaning, and heating.
Sequence Control Circuit:
OA Pre-Cooling → OA/RA Mixing → Re-Cooling
- Configuration and operation of a sequence control circuit for outdoor air pre-cooling, OA/RA mixing, and re-cooling.