Water to Water Heat Pump Trainer

The Water to Water Heat Pump Trainer is a comprehensive laboratory training system developed for practical investigation of heat pump principles and refrigeration thermodynamics. Manufactured by Micro Technologies, the equipment allows students to study how thermal energy is extracted from one water circuit and transferred to another using a vapour compression heat pump system.

Unlike a conventional refrigeration system where the primary objective is cooling, a heat pump utilizes the refrigeration cycle to transfer heat from a lower-temperature source to a higher-temperature sink. This trainer provides a practical platform for studying both sides of this thermal energy transfer.

The equipment is designed around the vapour compression cycle, incorporating the essential refrigeration components required for practical heat pump operation. During operation, the refrigerant absorbs heat on the low-temperature side and rejects it to the water on the high-temperature side.

Two water sections allow students to observe temperature changes produced by heat extraction and heat rejection. By measuring water flow rates and inlet/outlet temperatures, learners can evaluate the thermal energy transferred through the system.

The integrated flow measurement arrangement enables water-flow observation and adjustment during experiments. This allows students to investigate how changing water flow and other operating conditions affect heat transfer and overall system performance.

Pressure gauges mounted on the front panel provide clear indication of refrigeration-system operating conditions. These measurements help students understand the relationship between refrigerant pressure, temperature, compression, condensation, expansion, and evaporation.

The electrical control and instrumentation section provides convenient operation and monitoring of the experimental setup. Relevant measurements can be used to determine electrical input and compare it with useful thermal output for calculating the Coefficient of Performance (COP).

One of the major educational advantages of this system is its ability to support energy balance calculations. Students can calculate heat absorbed, heat rejected, compressor input, and system performance under different operating conditions, thereby developing a practical understanding of the First Law of Thermodynamics as applied to refrigeration and heat pump systems.

The entire system is mounted on a rigid floor-standing structure with major components arranged for convenient observation, demonstration, operation, and maintenance.

Scope of Learning

The trainer can be used for:

• Study of water-to-water heat pump operation
• Study of vapour compression cycle
• Determination of heat pump COP
• Construction of system energy balances
• Study of heat absorption
• Study of heat rejection
• Measurement of water flow rate
• Study of hot-water and cold-water circuits
• Measurement of refrigeration pressures
• Study of compressor operation
• Study of condenser performance
• Study of evaporator performance
• Investigation at different operating conditions
• Study of electrical energy input
• Analysis of thermal energy transfer

Main Components

Compressor

The compressor raises the pressure and temperature of the refrigerant while maintaining refrigerant circulation through the system.

Condenser / Hot Water Heat Exchanger

The high-temperature refrigerant rejects thermal energy to the water circuit. This process heats the water while condensing the refrigerant.

Expansion Device

The expansion device reduces refrigerant pressure before it enters the evaporator, preparing the refrigerant for low-temperature heat absorption.

Evaporator / Cold Water Heat Exchanger

The evaporator absorbs thermal energy from the source-water circuit, resulting in a reduction in water temperature.

Water Tanks

Separate water sections provide the source and sink required for practical water-to-water heat pump operation.

Flow Measurement System

Flow measuring devices allow water-flow rates to be monitored during experimental operation and energy calculations.

Pressure Gauges

High- and low-side pressure gauges provide clear observation of refrigeration-system operating pressures.

Control & Instrumentation Panel

The integrated control section provides convenient system operation and measurement of relevant experimental parameters.

Key Features

• Complete water-to-water heat pump training system
• Demonstrates practical heat pump operation
• Based on vapour compression principle
• Hot-water and cold-water circuits
• Integrated water reservoirs
• Water-flow measurement arrangement
• Refrigeration compressor
• Condenser / heat rejection section
• Evaporator / heat absorption section
• Refrigerant expansion arrangement
• High and low pressure indication
• Temperature measurement provisions
• Electrical measuring instrumentation
• Integrated control panel
• Suitable for COP determination
• Supports complete energy balance studies
• Variable operating-condition experiments
• Heavy-duty floor-standing construction
• Suitable for repeated laboratory use

Technical Specifications

Exact refrigeration capacity, refrigerant, electrical supply, instrument ranges, tank capacities and component ratings can be configured according to laboratory requirements.

Experiments / Studies

• Determination of Coefficient of Performance (COP) of a water-to-water heat pump
• Construction of energy balances for the complete system
• Study of heat pump operation
• Study of vapour compression refrigeration cycle
• Determination of heat absorbed from cold water
• Determination of heat delivered to hot water
• Measurement of water flow rates
• Measurement of hot-side temperature variation
• Measurement of cold-side temperature variation
• Study of refrigeration pressures
• Study of compressor performance
• Study of condenser performance
• Study of evaporator performance
• Analysis of electrical energy consumption
• Investigation of system behaviour under different operating conditions
• Comparison of theoretical and experimental performance

Energy Balance Study

A major experiment possible with the trainer is the construction of an energy balance for the complete heat pump system.

Students can investigate:

• Heat extracted from source water
• Heat delivered to sink water
• Compressor/electrical energy input
• Energy transfer through the refrigeration circuit
• Overall system efficiency
• Experimental energy losses
• Relationship between thermal output and electrical input

This provides a valuable practical demonstration of thermodynamic energy conservation.

Coefficient of Performance Study

The trainer enables students to determine heat pump COP using experimental measurements.

In heating mode:

COP = Useful Heat Delivered / Work Input

The experiment helps students understand why a heat pump can deliver more useful thermal energy than the electrical energy supplied to the compressor, because additional thermal energy is transferred from the low-temperature source.

Educational Benefits

• Provides hands-on heat pump training
• Demonstrates real thermodynamic energy transfer
• Simplifies understanding of heat pump cycles
• Enables practical COP calculations
• Supports complete energy balance experiments
• Demonstrates heat absorption and heat rejection
• Provides practical water-flow measurement experience
• Connects theoretical thermodynamics with real equipment
• Supports refrigeration and HVAC education
• Suitable for student laboratory projects
• Useful for practical examinations
• Enhances understanding of energy-efficient heating systems

Applications

• Refrigeration & Air Conditioning Laboratories
• HVAC Laboratories
• Mechanical Engineering Laboratories
• Thermal Engineering Laboratories
• Thermodynamics Laboratories
• Energy Engineering Laboratories
• Engineering Colleges
• Polytechnic Institutes
• Universities
• Industrial Training Institutes
• Vocational Training Centers
• Skill Development Institutes
• Research & Training Laboratories

Optional Accessories

• Digital Temperature Indicator
• Additional Temperature Sensors
• Digital Pressure Indicators
• Digital Flow Meters
• Energy Meter
• Digital Voltmeter
• Digital Ammeter
• Data Acquisition System
• Computerized Data Logging
• Additional Water Flow Controls
• Refrigeration Tool Kit
• Experimental Manual

Customization Options

The trainer can be customized according to institutional requirements with options such as:

• Different heat pump capacities
• Different refrigerant options
• Customized water tank capacities
• Additional temperature measurement points
• Additional pressure measurement points
• Digital water-flow measurement
• Digital pressure indication
• Digital temperature indication
• Energy measurement
• Data acquisition system
• Computerized monitoring
• Enhanced control panel
• Customized experimental configurations

SKU System

MT-RAC-204

FAQs

What is a Water to Water Heat Pump Trainer?

It is educational laboratory equipment designed to demonstrate heat transfer from one water circuit to another through a vapour compression heat pump system.

What is the main experiment performed with this trainer?

One of the primary experiments is determining the Coefficient of Performance (COP) of the water-to-water heat pump.

Can energy balance experiments be performed?

Yes. The trainer is specifically designed to allow students to construct an energy balance for the complete system over a range of operating conditions.

What is the working principle of the trainer?

The trainer works on the vapour compression heat pump cycle, involving compression, condensation, expansion, and evaporation.

Why are two water sections used?

One water circuit acts as the low-temperature heat source, while the other acts as the heat sink receiving thermal energy from the heat pump.

Can water flow be measured?

Yes. The system incorporates a flow measurement arrangement for monitoring water flow during experiments.

Can refrigeration pressures be monitored?

Yes. High- and low-side pressure gauges are provided for observing refrigeration-system pressures.

Where can this trainer be used?

It is suitable for engineering colleges, universities, polytechnic institutes, RAC laboratories, HVAC laboratories, thermal engineering departments, and technical training institutes.

Can the Water to Water Heat Pump Trainer be customized?

Yes. Micro Technologies can customize capacity, instrumentation, water tanks, measuring points, refrigerant configuration, controls, and data acquisition according to institutional requirements.

Why Choose Our Products

• Practical heat pump training equipment
• Complete water-to-water experimental system
• COP determination capability
• Energy balance study capability
• Integrated flow measurement
• Accessible instrumentation and controls
• Robust laboratory construction
• Suitable for RAC and thermal engineering education
• Custom configurations available
• Institutional and project supply
• OEM requirements supported
• Quality-controlled manufacturing
• Technical assistance and after-sales support

Call to Action

Advance practical thermodynamics and refrigeration education with the Water to Water Heat Pump Trainer from Micro Technologies. Contact us for customized technical specifications, engineering laboratory projects, institutional quotations, government tenders, OEM requirements, distributor inquiries, and bulk supply.