Electrical refrigeration and Waster water treatment

Introducion:

• This trainer is a great demonstrator to show the complete cycle of a residential heating and cooling system.
• Built as a tabletop unit with 12 modular panels, it functions as a working model so the instructor can teach the basic principles of heating and cooling, complete with all the elements.
• For the heating system, the unit includes a working model of a furnace burner.
• Using the furnace print in the manual to direct wire this system from start to finish, the student gains familiarity of the operation of an entire furnace system. 
• The air conditioning portion of this system is simulated with the compressor contactor, high-pressure and low-pressure controls, and the compressor panel, with direct wiring or plug and play options.

Training Program:

• Introduction to basic electrical theory
• Instruction aligns with ANSI/ACCA Quality Installation and ANSI/ ACCA/ ASHRAE Standard 180 Quality Maintenance protocols
• Concepts focus on alternating current production and application to devices utilized in HVACR systems
• Presentations and examples are given for specific devices and their electrical sequence of operation in normal HVACR applications
• The modules discuss wiring and schematic reading

Technical Specification:

• Electrical requirements: 120VAC; 60Hz; 15A
• Overall size: 45” L x 24” W x 39” H
• 120VAC with transformer supplying 24VAC low voltage
• The unit comes standard with 12 panels
• Wiring harnesses provided
• Fuel source is a customer-supplied standard propane canister

Option :

• Combustion Blower Panel
• Control Module Panel
• Control Power Panel
• High/Low Pressure Safety Panel
• Combination Gas Valve Panel and Burner

Introducion:

• This training unit teaches the principals of medium and low-temp refrigeration.
• The unit is a split-system design with an evaporator featuring an EEV (electronic expansion valve), a suction pressure transducer, and temperature sensors to control the evaporator.
• With the Heatcraft intelliGen Refrigeration Controller, the student can perform educational tasks using advanced commercial refrigeration controls, such as programming of parameters and troubleshooting common failures.
• Airflow can be controlled to simulate various refrigeration field situations.
• Various faults which can be triggered to teach the student to recognize and troubleshoot common refrigeration problems, such as an open run capacitor, defective compressor valves, and open temperature sensors.

Training Program:

• Introduction to basic electrical theory
• Instruction aligns with ANSI/ACCA Quality Installation and ANSI/ ACCA/ ASHRAE Standard 180 Quality Maintenance protocols
• Concepts focus on alternating current production and application to devices utilized in HVACR systems
• Presentations and examples are given for specific devices and their electrical sequence of operation in normal HVACR applications
• The modules discuss wiring and schematic reading
• Heat energy, the conditions of human comfort, the psychrometric chart and plotting various air conditions
• Thorough examination of the refrigeration cycle as it is applied to both air conditioning and refrigeration purposes, and presents a practical and systematic method to diagnose problems in the refrigeration cycle
• Instruct the entry level HVAC technician in the common service procedures performed on conventional residential/light commercial cooling systems

Technical Specification:

• Electrical Requirements: 208/240VAC; 60Hz; 15A
• Uses R449A refrigerant
• Includes a fused disconnect, emergency stop switch, thermostat, condensate drain pan, condensate pump, and auxiliary heater to control load

Introducion:

• Industrial Refrigeration Training Unit is perfect for educating HVAC/R students on the principles of commercial and industrial refrigeration systems.
• Add it to your curriculum and give future technicians an opportunity to learn from hands-on experience.

Training Program:

• Introduction to the HVACR basic fundamentals and terminology, and the applied physics concepts that are utilized in HVACR systems
• Instruction aligns with ANSI/ACCA Quality Installation and ANSI/ ACCA/ ASHRAE Standard 180 Quality Maintenance protocols
• Components and operational differences of a heat pump vs. a straight air conditioning system, troubleshooting, and solutions
• Thorough examination of the refrigeration cycle as it is applied to both air conditioning and refrigeration purposes, and presents a practical and systematic method to diagnose problems in the refrigeration cycle
• Presentations describe the application of common accessories found in a system, piping arrangements, sizing considerations and system operation.
• How to identify when and where there is a leak, Leak detection methods, Reasons for system evacuation, Operation of a Vacuum Pump, Operation of a Micron Gauge, Importance of the correct charge, and Methods used to check a charge
• Some system troubleshooting, work on the 9 most common system problems
• Apply TROT (The Rule Of Thumb)
• Commercial Cooling Tower Systems, with a basic introduction as to the layout of the various components utilized in large and small commercial facilities

Technical Specification:

• Electrical Requirements: 240VAC; 60Hz; 30A
• Uses R422B Refrigerant
• Compressor: Semi-hermetic type with 2 HP capacity
• Overall Size: 95” L x 25.25” W x 80” H
• Water Tower: 115VAC; 60Hz; single phase; 60,000 BTU/hour (This is an optional add-on)
• Utility Requirements: city water, drain, and means to vent water vapor
• Industrial refrigeration training unit is self-contained and freestanding with storage space underneath
• 2 forced air type evaporators have 2 common types of defrost mechanisms complete with solenoids, timers, and associated equipment
• 2 standard types of water cooled condensers (tube-in-tube and shell-in-tube) are supplied and piped to be used with city water and optional water tower
• Hot gas by-pass system keeps operating pressures of the compressor constant regardless of the evaporator level
• Crankcase pressure regulator allows the compressor to start easily under high evaporator pressures

Introducion:

• The  Mobile Table-Top Air Conditioning & Refrigeration Trainer is a great option for giving HVAC/R students hands-on experience before they go out in the field.
• Plus, it is lightweight, portable and comes in a compact size perfect for classroom or mobile training.
• With this training unit, students can easily make electrical measurements.

Training Program:

Instruction aligns with ANSI/ACCA Quality Installation and ANSI/ ACCA/ ASHRAE Standard 180 Quality Maintenance protocols

• The modules discuss wiring and schematic reading
• The application of common accessories found in a system, piping arrangements, sizing considerations and system operation.
• How to identify when and where there is a leak, Leak detection methods, Reasons for system evacuation, Operation of a Vacuum Pump, Operation of a Micron Gauge, Importance of the correct charge, and Methods used to check a charge
• Presentations and examples are given for specific devices and their electrical sequence of operation in normal HVACR applications

Technical Specification:

• Electrical Requirements: 120VAC; 60Hz; 15A
• Uses HFC 134a Refrigerant
• Overall Size: 34″ L x 16″ W x 16″ H
• Weight: 80 lbs.
• 1⁄3 HP hermetically sealed reciprocating compressor.
• This unit can be easily moved, transported and stored.
• Variable fan speed controls for evaporator and condenser load adjustment
• Sight glasses at inlet and outlet of evaporator and condenser constructed of explosion-proof, tie-bolt design
• Conditions of refrigerant and oil can be observed under fluid and gas stages of operation
• Evaporator and condenser copper tube coils with aluminum fins
• Drip pan located under the evaporator for condensation drain

Introducion:

• The  Dual-Application Commercial Refrigeration Trainer can show the operation of multi-evaporator systems, dual temperature applications (both low and medium) and an electric resistant heat defrost cycle.
• This deluxe trainer is great for providing a hands-on experience to future HVAC/R technicians.

Training Program:

• Introduction to the HVACR basic fundamentals and terminology, and the applied physics concepts that are utilized in HVACR systems
• Instruction aligns with ANSI/ACCA Quality Installation and ANSI/ ACCA/ ASHRAE Standard 180 Quality Maintenance protocols
• Components and operational differences of a heat pump vs. a straight air conditioning system, troubleshooting, and solutions
• Thorough examination of the refrigeration cycle as it is applied to both air conditioning and refrigeration purposes, and presents a practical and systematic method to diagnose problems in the refrigeration cycle
• The application of common accessories found in a system, piping arrangements, sizing considerations and system operation.
• How to identify when and where there is a leak, Leak detection methods, Reasons for system evacuation, Operation of a Vacuum Pump, Operation of a Micron Gauge, Importance of the correct charge, and Methods used to check a charge
• Some system troubleshooting, work on the 9 most common system problems
• Apply TROT (The Rule Of Thumb)

Technical Specification:

• Electrical requirements: 120VAC; 60Hz; 15A
• Uses R134a Refrigerant
• Overall Size: 72″ L x 20.75″ W x 79″ H
• Compressor: Single phase, 1/2 HP semi-hermetic (bolted reciprocating-type)
• Panels: 1⁄4″ thick HDPE with steel reinforced component shelf
• Customizable isolated access ports for alternate metering devices
• Defrost Timer
• 2 Liquid Refrigerant Flow Meters
• Electrical Fault Package
• Evaporator Pressure Regulator (EPR)
• Sight glass tubes at inlet and outlet of evaporators and condenser constructed of explosion-proof, tie-bolt design
• Cut-out and by-pass valves
• Hand valves allow malfunctions to be simulated
• Many control changes are possible
• Thermostatic control with an adjustable range of –30°F to 100°F
• 2 solenoid liquid line valves
• Condenser and Low and Medium Temperature Evaporators: Copper tube coils with aluminum fins and adjustable speed fans mounted on back of panel.
• Combine low pressure and high pressure control

Introducion:

• Training model allows future technicians to practice troubleshooting wiring, piping and controls.
• With real-world applications and readings, they are prepared for success out in the field.
• This training unit goes beyond the textbook and shows the inner workings of a home air conditioner without having to leave the classroom.

Training Program:

• Introduction to the HVACR basic fundamentals and terminology, and the applied physics concepts that are utilized in HVACR systems
• Introduction to basic electrical theory
• Instruction aligns with ANSI/ACCA Quality Installation and ANSI/ ACCA/ ASHRAE Standard 180 Quality Maintenance protocols
• Concepts focus on alternating current production and application to devices utilized in HVACR systems
• Presentations and examples are given for specific devices and their electrical sequence of operation in normal HVACR applications
• The modules discuss wiring and schematic reading
• Thorough examination of the refrigeration cycle as it is applied to both air conditioning and refrigeration purposes, and presents a practical and systematic method to diagnose problems in the refrigeration cycle
• Presentations describe the application of common accessories found in a system, piping arrangements, sizing considerations and system operation.
• How to identify when and where there is a leak, Leak detection methods, Reasons for system evacuation, Operation of a Vacuum Pump, Operation of a Micron Gauge, Importance of the correct charge, and Methods used to check a charge
• The technician with practical knowledge for safe performance of service techniques on systems containing R-410A
• Follow safety guidelines, identify the source of problems in HVACR systems, use diagnostic tools, and to address the problem properly

Technical Specification:

• Electrical requirements: 240VAC; 50/60 Hz; 15A
• Uses R410a refrigerant can be pumped down
• Overall Size:70″ L x 33″ W x 85″ H
• Fault simulation with two refrigerant faults and four electrical faults
• Provides numerous real-world applications and trouble-shooting examples
• Refrigeration cycle can be observed
• High-pressure refrigeration tubing piped to sight glass for direct observation of the fluid stage of the refrigeration cycle
• Pressure, temperature and electrical readings can be made
• Visible wiring and piping
• Metering device/thermostatic expansion valve
• 2 sets of pre-connected high and low pressure refrigeration gas/liquid gauges
• Necessary line and low voltage wiring
• Low voltage transformer and wiring

Option :

• Optional add-on equipment package provides all the professional tools necessary to complete service checks

Introducion:

• Training stand for teaching the basics of electrical installations in bathrooms, among other things for achieving the qualification of electrician for specified activities.
• From the planning of a bathroom to the evaluation of the order: At this training stand complete customer orders for gas installation can be processed, such as:
• Installation of a guest bathroom with urinal
• Selection of a urinal: preparation of ground plan and elevation; material properties, functional sequences (water-flushed and waterless), fastening of urinals, use of sound Electrical connections of Sanitation components to achieve the qualification of electrician for specified activities

Training Program:

• Planning and furnishing of sanitary rooms in consideration of the customer's wishes
• Preparation of the assembly work
• Development of planning proposals
• Assessment of valves and apparatus with regard to function and mode of operation
• Consideration of the possibilities for saving drinking water and efficient energy use
• Comparison and evaluation of different equipment options
• Documentation of the planning
• Presentation of decisions in the form of customer-oriented consultations
• Creation of ground and elevation plan
• Getting to know the functional sequences (water-flushed or waterless)
• Use of sound insulation mats
• Comparison of water consumption for different types of urinals

Technical Specification:

• Dimensions (W x D x H in mm):W x D x H: 1,500 x 900 x 1,940
• Weight: 120 kg
• Electrical connection: 230 V / CE socket
• Water connection: GK coupling or ¾ inch
• Two urinal fellas: Waterless and with water flush
• Junction boxes and cables for connecting the fan and fan control
• Connection boxes and cables for connecting bathroom lamp and light control
• Junction boxes and lines for connecting the optoelectronic flush release

Option:

• Training Stand Drinking Water DIN EN 1717
• Wilo-Brain Box classic plus
• Teaching System Heat Pump
• Training Stand Gas Technology

Introducion:

The installation and maintenance of drinking water systems requires extensive expertise and skills.

With the new drinking water training stand, you can simulate many practical exercises and tasks, including for the following learning objectives, learning situations and topics:

• Backflow testing
• Maintenance work on the service line
• Equipotential bonding
• Professional insulation of drinking water lines to protect against heating or cooling
• Safeguarding of drinking water
• Measures to save drinking water
• Anti-corrosion measures in drinking water systems
• Commissioning of a drinking water line
• Pipe network analysis
• Assembly of an instantaneous water heater
• Construction elements of drinking water heating systems
•  Illustration of pipe faults, such as stagnant side arm, trapped air, pressure surges

Training Program:

• Function and task of the backflow preventer (by back-suction tests with/without backflow preventer)
• Maintenance work on the main connection line
• Potential equalization
• Professional insulation of drinking water pipes to protect against heating or cooling
• Securing drinking water
• Measures to reduce drinking water consumption
• Corrosion protection measures in drinking water systems
• Commissioning of a drinking water pipeline
• Pipe network calculation
• Installation of a hot water continuous flow storage tank
• Components of drinking water heating systems
• Display of string defects (e.g. dead side arm, air inclusion, pressure surges, etc.)

Technical Specification:

• Dimensions (W x D x H in mm): 1,500 x 900 x 1,940
• Weight: 190 kg
• Electrical connection: 400 V (Cekon plug)
• Water connection: GK coupling or ¾ inch
• Domestic water connection with shut-off valves and non-return valve
• Water meter with water meter bracket
• Connection to the equipotential bonding
• Combination of pressure regulator and backwashable fine filter
• Safe aerator
• Copper pipe installation with transparent, plastic sub-sections
• Twin-tap and lever-mixer
• Electrical hot water tank
• Transparent diaphragm expansion vessel
• Circulation line with pump
• Various measuring points for pressure and temperature recording
• Safety valve
• Thermostatic valve for circulation line
• Balancing valve

Option :

• Training Stand Gas Technology
• Training Stand Bathroom Installation
• Wilo-Brain Box classic plus
• Teaching System Heat Pump

Introducion:

• Heating Technology with Renewable Energies especially for vocational training in Sanitation technology.
• By combining the training stands, learning content for training or further education in the techniques heat pump, photovoltaics, solar thermal energy and pellet heating systems or biomass can be conveyed in a clear and sustainable way.
• With the teaching system all relevant service work, testing and operating tasks for the technologies mentioned can be realised.
• The entire training system was developed in cooperation with Willi Kirchensteiner, the pioneer in vocational training in the field of renewable energies.
• With the practical application examples, a maximum of know-how transfer and qualification success in the field of renewable energies and heating technology is achieved in a short training period.

Training Program:

• Understanding of system technical conditions of heating systems with renewable energies in general, and of heat pump heating systems, wood pellet heating systems, solar thermal systems and hybrid collector systems for solar thermal energy and photovoltaics in particular.
• Knowledge of the electrical, hydraulic and control engineering operating conditions using the example of a heat pump heating system or a pellet heating system, or a solar thermal system, or a hybrid collector system for solar thermal energy and photovoltaics.
• Knowledge of the physical processes in the cooling circuit of a heat pump.
• Basic knowledge of biomass heating systems and knowledge of the processes involved in the combustion process of a pellet heating system.
• Systematic action for the commissioning of a heat pump heating system, or a pellet heating system, or a solar thermal system, or a hybrid collector system for solar thermal energy and photovoltaics.
• Skills for action-oriented planning, installation and commissioning of heat pump, pellet, and solar thermal heating systems as well as hybrid collector systems for solar thermal and photovoltaic systems.
• Ability to create test reports on heat pump heating systems, on pellet heating systems and on solar thermal systems combined with photovoltaics.
• Competence in the metrological recording and evaluation of electrical and hydraulic processes using the example of heat pump, pellet heating and solar thermal systems and of hybrid collector systems for solar thermal and photovoltaic systems.
• Understanding of energy optimisation processes in heating systems with heat pumps, pellet burners, solar thermal systems and hybrid collector systems for solar thermal and photovoltaic systems.
• Knowledge of the terms and operating resources of heat pump, pellet heating and solar thermal systems and of hybrid collector systems for solar thermal and photovoltaic systems
•  Ability to assess electrical and hydraulic measured values in heat pump heating systems and pellet heating systems and to plan process changes based on these values
• Understanding of the control and energy optimisation of circulating pumps in heating systems.
• Competence in the optimisation of energetic processes in heating systems
• Competence in planning, installation, commissioning and maintenance of a heat pump heating system and a pellet heating system and a solar thermal system.
• Competence in consulting on the essential features of a heat pump heating system, a pellet heating system and a solar thermal system, also in comparison with other heating systems.
• Understanding of the energy system integration of a heat pump heating system, a pellet heating system and a solar thermal system into existing hydraulic supply systems.

Technical Specification:

Training Stand S1: Geothermal Heat Ssource or Underfloor Heating

• Dimensions (W x D x H in mm): approx. 1,000 x 800 x 1,980
• Weight: approx. 80 kg

Training Stand S2: Fan Coil as Source or Sink

• Dimensions (W x D x H in mm): approx. 900 x 800 x 1,980
• Weight: approx. 70 kg

Training Stand S3: Solar Thermal Energy with Solar Simulation

• Dimensions (W x D x H in mm): approx. 2,150 x 800 x 1,980
• Weight: approx. 130 kg

Training Stand S4: Coupling Component Hydraulic Switch, Plate Heat Exchanger and Buffer Storage

• Dimensions (W x D x H in mm): approx. 1,100 x 800 x 1,980
• Weight: approx. 80 kg

Training Stand S5: Heat Pump

• Dimensions (W x D x H in mm): approx. 1,200 x 800 x 1,980
• Weight: approx. 120 kg

Training Stand S6: Hybrid Collector with PV Components

• Dimensions (W x D x H in mm): approx. 2,000 x 800 x 1,980
• Weight: approx. 120 kg

Training stand S7: Pellet Heating

• Dimensions (W x D x H in mm): approx. 2.000 x 900 x 1.980
• Weight: approx. 300 kg

Option :

• Training Stand Energy Management for Grid-connected Systems
• Training Stand Energy Management for Off-grid Systems

Introducion:

• Mobile training stand on castors for teaching practical basics in heating hydraulics.
• Complete customer orders in the field of heat distribution are processed at the training stand, from order planning to evaluation.

Training Program:

• The didactic documents are an essential part of the training stand heating hydraulics.
• The didactic documents contain learning field oriented learning situations, in particular on the topic "Installing heat distribution systems".
• In addition, further learning objectives can be imparted in the context of didactically prepared customer orders:

     + Overall understanding of a central heating system

     + Function and programming of the outdoor temperature controller

     + Function and testing of the diaphragm expansion vessel (MAG)

     + Understanding of hydraulic balancing

     + Recording and understanding the temperature and pressure conditions in a central heating system

Technical Specification:

• Dimensions (W x D x H in mm): approx. 1,500 x 900 x 1,940
• Weight: approx. 120 kg
• Connections:

     + Hydraulics/heat: via quick coupling

     + Electrical: 230V AC

• Inspection work on the diaphragm expansion vessel (MAG)
• Programming the outdoor temperature controller
• Flow meter for total volume flow and for strand volume flows
• 4-channel temperature measuring instrument with data interface
• Measuring connection for flow/return flow for temperature difference measurement
• Temperature measurements via plug-in sensor in the medium

Option:

• Wilo-Brain Box classic plus
• Wilo-Brain Box classic plus

Introducion:

• The model enables the trainee to comprehend the function of a water / water heat pump.
• After filling the thank with water the system is ready for operation.
• Due to its compact and clearly arranged configuration the model can be used either for theoretical or practical lessons.
• Integrated, directly measuring instruments for temperature and pressure allow the determination of specific characteristic values with high repeatability.
• The compact dimensions and the mobile base allow to use this model fully flexible.

Training Program:

• General information to heat pumps
• Getting familiar with the specific components.
• Name and describe the set-up and the function of the system and its components.
• Determination and evaluation of system specific parameters.
• Determination of optimized system variables.
• Functionality of safety and control equipments.
• Commissioning and hand-over to customers.

Technical Specification:

• Dimensions: approx. 700x710x1750mm (WxDxH)
• Weight: approx. 50kg
• Electrical data: Schuko 230VAC (approx. 100W)
• Water / waste water: approx. 2x 3l (measuring cup)
• Refrigerant : R134a

Introducion:

• The model Heat Pump Vario explains in a comprehensive way the 4 different heat pump systems.
• A selector switch allows to change between air / air -, air / water - , water / air - and water / water heat pump.
• Due to its compact and clearly arranged configuration the model can be used either for theoretical or practical lessons.
• Integrated, directly measuring instruments for temperature, flow rate and pressure allow the determination of specific characteristic values with high repeatability.
• For visualization of the refrigerant‘s aggregate state pressure resistant glass windows are integrated at the relevant positions.

Training Program:

• General informations to heat pumps
• Getting familiar with the specific components.
• Name and describe the set-up and the function of the system and its components.
• Aggregate states of the refrigerant
• Determination and evaluation of system relevant variables.
• Comparing the data of air / air -, air / water -, water /air - and water / water systems
• Determination of the application limits and the resulting fields of application.
• Fuction and testing of safety - and control installations.
• Determination of possible sources of failure in heat pumps and the consequences on functionality.
• Preparing argumentation aids for meetings with customers.
• Preparing a check list for periodic services on heat pumps.

Technical Specification:

• Dimensions: approx. 1200x600x1600mm (WxDxH)
• Weight: approx. 90kg
• Electrical connection: Schuko 230VAC
• Kaltwasseranschluss SK - ¾“
• Waste water connection: SK- ¾“