EDUCATIONAL TRAINING UNITS

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2 OUR COMMITMENT TO QUALITY EDUCATION At Imperial Training we strongly believe in providing the HVAC/R student with the knowledge & training for the safe and efficient operation of all types of systems found in our industry. We also believe that prior to going out into the field, the student should fully understand the theory and operational or service techniques behind each specific system. Imperial Training has been providing the finest training units to the educational market for over thirty years. They can be found in high schools, colleges, and so on all over the world. The training units in this catalog represent a wide variety of subjects in the heating, refrigeration and air conditioning industries. The training units range from demonstrating simple concepts to illustrating advanced troubleshooting and servicing techniques. Our expertise certainly does not end here. We can custom design and build trainers to your exact specifications and needs. For custom requirements or applications, please give us a call at (888) Our company s goal is to provide top quality trainers at reasonable prices that fit our customers precise needs. We look forward to working with you. 2

3 MODEL TU-306 REFRIGERATION DIAGNOSTIC CENTER EDUCATIONAL TRAINING UNIT REFRIGERATION TRAINERS Refrigeration diagnostic center provides equipment and diagnostic tools needed to troubleshoot and analyze small refrigeration systems. Trainer includes: Non-conductive maple worktop Heavy-duty mechanic s vise Bench top power supply (115V/230V AC fused, single phase) Vacuum and charging manifold with gauges Two 5 lb. charging cylinders Torch kit Lockable cage for vacuum pump Switchable power supply for vacuum pump Small part storage cabinet Deep vacuum measuring meter Hermetic compressor analyzer VOM with components analyzer Digital thermometer Refrigeration hoses Rapid vapor charging device Manual Transparencies Overall Size: 73 W x 33 D x 65 H Electrical Requirements: 115/230V AC fused, single phase Shipping Weight: 350 lbs. 3

4 REFRIGERATION TRAINERS MODEL TU-420 FUNDAMENTALS OF REFRIGERATION This refrigeration demonstrator uses the 4 main parts of the refrigeration system (condenser, compressor, evaporator and control device) that demonstrate basic refrigeration principles. The components then work together to cool a small enclosed refrigerator compartment fully featured with an electronic temperature control device. Components arranged to illustrate the cycle nature of refrigeration 4 strategically located explosion proof sight glasses with moisture indicators and thermostat permit monitoring of the refrigerant as it circulates throughout the entire refrigeration system Comes completely assembled with fused main power switch, charged with refrigerant and ready to operate Operation manual included Overall Size: 35 W x 13 D x 30 H Electrical Requirements: 115V AC, 60 Hz, 15A Shipping Weight: 115 lbs. 4

5 REFRIGERATION TRAINERS MODEL TU-100 BASIC REFRIGERATION This training unit demonstrates domestic refrigerator and freezers, self-contained air conditioning units and reverse cycle or heat pump systems. Sight glass tubes at inlet and outlet of evaporator and condenser constructed of explosion proof, tie-bolt design Stainless steel drip pans with drains located under each evaporator and condenser Uses popular, brand name components Color-coded valves, gauges and hand valves to bypass various components and change from cooling to heating (heat pump operation) Conditions of refrigerant and oil can be observed under various methods of operation Pressure gauges located at each point in which pressure variation is likely to occur Refrigerant flow to evaporator metered either by capillary tube, automatic expansion valve (AXV), or thermostatic expansion valve (TXV) Evaporator has copper tube coils, aluminum fins, and variable speed blower Condenser with a variable-speed blower A combination low pressure control and high pressure cutout and a thermostatic control with a range of 30 F to 100 F furnished High pressure cutout in the circuit at all times to prevent damage to the compressor Includes a student lab manual and operation manual Compressor: 1 2 HP hermetically sealed reciprocating Refrigerant: HFC-134A Panels: 1 4 thick with 3 4 thick component shelf Overall Size: 36 W x 18 D x 73 H Electrical Requirements: 115V AC; 50/60 Hz; 10A 230 volt available upon request 5

6 REFRIGERATION TRAINERS MODEL TU-105 COMMERCIAL REFRIGERATION This commercial refrigeration trainer is an advanced unit used to train students in commercial refrigeration and air conditioning systems. Sight glass tubes at inlet and outlet of evaporator 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 Combination low pressure control and high pressure cut-out Thermostatic control with an adjustable range of 30 F to 100 F 2 solenoid liquid line valves Compressor: Single phase, 1/2 HP semi-hermetic (bolted reciprocating-type) 115V AC, 60 Hz, 15 Amp Evaporators: Copper tube coils with aluminum fins and variable speed blower mounted on back of panel Condenser: A forced air-cooled condenser to match compressor capacity Refrigerant: HFC-134A Panels: 1 4 thick with 3 4 thick component shelf Overall Size: 72 W x 18 D x 72 H Electrical Requirements: 115V AC, 60 Hz 230 volt available upon request 6

7 REFRIGERATION TRAINERS MODEL TU-155 INDUSTRIAL REFRIGERATION This trainer enables students to learn principles of commercial and industrial refrigeration systems. Trainer: Self-contained and freestanding with storage space underneath Compressor: Semi-hermetic type with 2 HP capacity Crankcase heater with automatic control system 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) supplied and piped to be used with city water and included 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 Utility Requirements: city water, drain to water, and means of venting water tower Overall Size: 100 W x 27 D x 74 H Electrical Requirements: Single phase, 220V AC, 60 Hz, 40A (115 VAC, 60 Hz for water tower) Water Tower: 60 Hz, single phase, 60,000 BTU/hour. Shipping Weight: 1300 lbs. Installation and plumbing to city water not included 7

8 RESIDENTIAL TRAINERS MODEL TU-206 RESIDENTIAL AIR CONDITIONING Real world experience in troubleshooting wiring, piping and controls of a working whole house air conditioning unit. Fault insertion with two refrigerant faults and four electrical faults Provides numerous real world problems Refrigeration cycle can be observed Suction and high-pressure refrigeration tubing piped to sight glasses for direct observation of the fluid and gas stages of the refrigeration cycle Pressure, temperature and electrical readings can be made Wiring and piping is in full view as much as possible R-22 refrigerant can be pumped down Optional add-on equipment package provides all the professional tools necessary to complete service checks Trainer includes: Outside condenser fan unit to exhaust heat Inside blower unit with evaporator for cooling Metering device Manifold gauge set for connection to the built-in service valves 2 sets of pre-connected high and low pressure refrigeration gas/liquid gauges Operation Manual describing how the unit works as well as its faults 880-page book with lesson plans and chapter questions Electricals include: Necessary line and low voltage wiring Low voltage transformer and wiring Overall Size: 60 W x 48 D x 73 H Electrical Requirements: 230 VAC; 50/60 Hz; 15A Trainer can be purchased with frame assembled or in two parts. If ordered in two parts, the discharge and suction lines will need to be reconnected using the factory-supplied flare fittings and internal gaskets. 8

9 RESIDENTIAL TRAINERS MODEL TU-406 RESIDENTIAL HEAT PUMP Real world experience in troubleshooting wiring, piping and controls of a working whole house heat pump unit. Fault insertion with two refrigerant faults and four electrical faults Provides numerous real world problems Refrigeration heat pump cycle can be observed Suction and high-pressure refrigeration tubing piped to sight glasses for direct observation of the fluid and gas stages of the refrigeration cycle Pressure, temperature and electrical readings can be made Wiring and piping is in full view as much as possible R-22 refrigerant can be pumped down Optional add-on equipment package provides all the professional tools necessary to complete service checks Trainer includes: Outside blower unit with evaporator to exhaust cold air Inside condenser fan unit to provide heat Reversing valve that is operated through a digital thermostat Metering device Manifold gauge set for connection to the built-in service valves 2 sets of pre-connected high and low pressure refrigeration gas/liquid gauges Operation Manual describing how the unit works as well as its faults 360-page book with lesson plans, chapter questions, and a review section Electricals include: Necessary line and low voltage wiring Low voltage transfor mer and wiring Overall Size: 60 W x 48 D x 73 H Electrical Requirements: 230 VAC; 50/60 Hz; 15A Trainer can be purchased with frame assembled or in two parts. If ordered in two parts, the discharge and suction lines will need to be reconnected using the factory-supplied flare fittings and internal gaskets. 9

10 AFTERMARKET AUTOMOTIVE MODEL TU-103 & TU-203 AUTOMOTIVE AIR CONDITIONING SINGLE SPEED DRIVE MOTOR (MODEL TU-103) This aftermarket automotive trainer is designed to give the student a working understanding of the different components they will find on an automotive air conditioning system. Comes in two models. Standard aftermarket-type auto air conditioner: mounted on simulated auto chassis with firewall and panel modified to provide thermometer wells and pressure taps modified to permit the addition of operating devices Demonstrates installation and servicing 2 HP electric fan drives compressor and condenser 12 VDC power supply operates the compressor clutch and evaporator blowers Refrigerant: HFC-134A Electrical Requirements: 230 VAC, 1 phase VARIABLE SPEED DRIVE MOTOR ADD-ON (MODEL TU-203) Similar to above, but motor is mounted on a variable speed drive allowing an approximate speed ratio of 3 to 1. Permits demonstration of operation at various engine speeds Electric tachometer reads speeds of compressor mounted on a simulated instrument panel Refrigerant flowmeter measures the refrigerant flow in pounds per minute and allows comparison of refrigerating effects at various motor speeds Special purpose controls are installed to demonstrate different control systems Refrigerant: HFC-134A Overall Size: 35 W x 42 D x 43 H Electrical Requirements: 230 VAC, 1 phase 10

11 ELECTRIC MOTORS MODEL TU-503 ELECTRIC MOTOR TECHNOLOGY CENTER Hands on experience with different types of electric motors in various different types of circuits. Perfect for electric motor theory demonstrations. Investigates in detail the fractional horsepower electric motor Examine its theory, construction, proper wiring and maintenance 5 different types of motors: split phase, capacitor start, universal, shaded pole and hermetic compressors are provided with proper test equipment to determine their operating characteristics, performance, starting circuits and control, and their maintenance and troubleshooting The center consists of a cabinet with instrumentation backpanel Special motor mounting base and quick coupler shaft adapter allow for instant hookup of auxiliary motors Backpanel includes an instrumentation section of ammeter, voltmeter and wattmeter to show changing electrical performance under changing loads Also includes a control center that illustrates the function of magnetic contactors with control circuits, terminal board wiring, speed controllers, motor starting relays and short cycle protection Includes an instruction manual with 24 exercises in motor theory Experimental areas: Motor Basics-Universal Motor Magnetic Starters-Lock-Out Relays Motor Electrics-Volts, Amps, Watts Motor Power-Torque and Horsepower Wiring Diagrams for Motor Control The Shade-Pole Motor The Hermetic Compressor Starting Relays and Capacitors Pushbutton Controllers Low Voltage Magnetic Starters Overall Size: 44 W x 27 D x 60 H 11

12 HEATING TRAINERS MODEL TU-208 FORCED AIR & HYDRONIC HEATING The forced air and hydronic heating trainer provides demonstration and service practice with forced air and hydronic heating systems, including hot water heating systems. All components are full size, completely operational and are standard brands of equipment. A student experiment manual specially written for this equipment. Experiments include: Introduction of principles, References, Pre-lab questions, Lab procedure, Post-lab exercises Experiment topics include: Forced air heat pump, Circulation systems, Burner systems, Duct system, Air balancing, Flame safety devices, Temperature and humidity control, Heat transfer devices, Oil fired boiler and burner systems, Draft regulators and piping systems Trainer includes: Heat pump forced air system (gas furnace option available) Oil fired hydronic boiler Air conditioning via reverse heat pump operation Fuel tank sold separately Trainer can be custom built to meet your needs Installation Requirements: Trainer ships in 3 sections, must be assembled upon delivery. Sections include: Main unit, Heat pump unit and Duct Work Oil Supply Water supply required for humidifier (1/4 copper line) and boiler (standard garden hose) Drain required for humidifier Overall Size: 180 W x 48 D x 100 H Electrical Requirements: 100 Amp, 240V 1PH service Shipping Weight: 1,900 lbs TU-208E (shown) utilizes an electric boiler system 12

13 HEATING TRAINERS MODEL TU-701 TABLETOP HEAT PUMP TRAINER Real world experience in troubleshooting wiring, piping and controls on a working heat pump unit. The trainer is perfect for introduction to heat pump theory. Trainer pre-piped, pre-wired with all in complete view Refrigeration heat pump cycle can be observed Pressure, temperature and electrical readings can be made Optional add-on equipment package listed below provides all the professional tools and supplies to practice the skills hands-on Trainer includes: Blower unit with evaporator Condenser fan unit Pre-piped suction and high pressure refrigeration tubing is visible for direct observation of the fluid and gas stages of the refrigeration cycle 360-page book included with lesson plans, questions, and a review section Electricals include: All necessary line and low voltage wiring 120V AC circuit breaker box Overall Size: 32 W x D x 31 H Electrical Requirements: 115V AC; 50/60 Hz; 10A 13

14 HEATING TRAINERS MODEL TU-502 GAS FIRED HEATING CONTROL BOARD The control board contains a complete set of electrical controls of a furnace, with air conditioning, to demonstrate basic principles and provide electrical service experience. All components panel mounted and wires brought to terminals on the front panel Equipped for both thermocouple and thermopile systems Signal lamps show simulated operation of burner valves, circulating fan air and air conditioning compressor Overall Size: 35 W x 13 D x 30 H Electrical Requirements: 115V AC, single phase, 60 Hz Shipping Weight: 130 lbs. 14

15 HEATING TRAINERS MODEL TU-129 OIL FIRED HEATING CONTROL BOARD The oil-fired forced-air control board contains a complete set of electrical controls of a furnace with air conditioning to demonstrate basic principles and provide electrical service experience. Stack relay and cadmium-cell-type flame safety control Heating-cooling thermostat Fan, limit switch, fan relay Overall Size: 35 W x 13 D x 30 H Electrical Requirements: 115V AC, single phase, 60 Hz 15

16 HEATING TRAINERS MODEL TU-302 ELECTRIC HEATING CONTROL BOARD This trainer is perfect for students to learn the basics of electric heat control systems. Trainer includes: Complete set of operating controls of an electric furnace Wired 3 element furnace circuit Simulated heater elements operation shown by signal lamps Sequences Klixon limit switch Fusible link safety device Thermostat Transformer Fan delay control Board designed for use on a bench or table Overall Size: 35 W x 13 D x 30 H Electrical Requirements: 115V AC, single phase, 60 Hz Shipping Weight: 70 lbs. 16

17 MODEL TU-521 SINGLE PHASE COMPRESSOR CONTROL BOARD EDUCATIONAL TRAINING UNIT COMPRESSOR TRAINERS Consists of an actual single phase compressor with components necessary to demonstrate all common types of controls in refrigeration and air conditioning systems. Components are put into the system with patch cords Shut-off valves in suction and pressure lines allow pressures to be varied to operate the low pressure control and high pressure cutout PSC (permanent split capacitors) and running capacitors are supplied for capacitor (capacitive) start systems Overall Size: 35 W x 13 D x 30 H Electrical Requirements: 115V AC, single phase, 60 Hz 17

18 BUILD-UP TRAINERS MODEL TU-501 MOTORS, CONTROLS & CIRCUITS BUILD-UP TRAINER Designed for the student with a working knowledge of the theory of refrigeration electrical control systems. Using this trainer, students are required to design a system to match specifications of a particular situation. Components are quickly mounted on the backboard using wing nuts for maximum flexibility in arranging components. Connections between components are wired by the students. (Mounting hardware must be purchased locally). Trainer components include: Single phase disconnect 24V transformer Duplex receptacle Low voltage thermostat Defrost timer Low-pressure switch High-pressure switch Oil pressure switch Fan/limit switch Heating sequencer Motor starter Start/stop switch Current relay-potential relay Start capacitor-run capacitor Single-phase compressor Capacitor start motor-psc motor Experiment manual Explanations of the theory of operation Enclosed storage compartment Panels: 1 4 thick with 3 4 thick component shelf Overall Size: 36 W x 18 D x 73 H Electrical Requirements: 115/230 VAC, 1 Phase, 60 Hz 18

19 MODEL TU-101 DOMESTIC REFRIGERATION BUILD-UP TRAINER EDUCATIONAL TRAINING UNIT BUILD-UP TRAINERS Companion to the motors, controls and circuit trainer (Model TU-501) described on the previous page. Designed for the student that has a working knowledge of the theory of refrigeration. Using this trainer, students are asked to design a system to match specifications of a particular situation. Instruction kit and experiment manual provide set-up and assembly directions. The double evaporator simulates a dual evaporator system application that demonstrates basic principles and provides service experience. Trainer includes: 1 4 HP hermetic compressor with air-cooled condenser Domestic freezer static evaporator Finned high humidity evaporator Capillary tube Dehydrator Temperature control Hand valve to regulate temperature differences in evaporator Instruction kit and experiment manual Overall Size: 36 W x 18 D x 73 H Electrical Requirements: 115VAC, 50/60 Hz, 10 A Shipping Weight: 300 lbs. 19

20 EQUIPMENT PACKAGES MODEL EP400 RESIDENTIAL A/C AND HEAT PUMP EQUIPMENT PACKAGE Contains test equipment necessary for performing additional experiments and tests with the Residential Air Conditioning (TU-206) and Heat Pump (TU-406) Trainers. Equipment Package includes: CFM Vacuum Pump 2. Super Vak-Check (Model 14571) 3. Fieldpiece Multimeter with Temperature probe and clamp (Model No. TPI-275) 4. Hermeti-Check (Model 2001) 5. Halide Leak Detector Kit (HLD-1201) 6. 1/4in x 5/16in Service Wrench (Model 127-C) 5.0 CFM Vacuum Pump 127-C HLD-1201 TPI MODEL EP100 BASIC AUTOMOTIVE AIR CONDITIONING EQUIPMENT PACKAGE Contains minimum test equipment necessary for performing experiments and tests with auto air conditioning trainers (TU-103 & TU-203). Equipment Package includes: 1. Digital Thermometer (Model SDT-40) 2. Flexible PVC Covered Probe (Model D not pictured) 3. 2 Way Manifold for R22, R134A & R407C (Model 521-CA) 4. 5ft Hose Set & Adapters (3 hoses & 2 adapters - not pictured included with manifold Model 521-CA) 5. Isolation Valve (Model not pictured) 6. Valve Core Depressor (Model 7025) 7. Halogen Leak Detector Kit (Model HLD-1201) 8. Reversible Ratchet Wrench (Model 127-C) 9. ACME Adapter Set (Not pictured) 127-C SDT CA 521-CA HLD

21 MODEL TUE-100 ELECTRONIC WIRING SKILL PACKAGE EDUCATIONAL TRAINING UNIT RESIDENTIAL WIRING TRAINERS Contains test equipment necessary for performing basic electrical wiring for residential applicatons. Package includes: Two octagon boxes Two lamp sockets Two three-way switches Low voltage pushbuttons Low voltage transformer Low voltage buzzer Two duplex outlets Handy and junction boxes Electrical tape Wireless electrical connectors A supply of wire Fluorescent fixture and lamp Also included is a line cord, quantity of NM-B cable, and a copy of the National Electrical Code Book. The unit includes a plywood storage case with a removable cover on which students are able to construct the wiring circuits. Condensed Table of Contents: Introduction The Simple Switch The Single-Pole Double -Throw Switch Continuity Testing Switches Parallel Switches Series Loads Parallel Loads Three Way Switching Low Voltage Circuits Overall Size: 30 W x 24 H x 12 D Electrical Requirements: 120V AC Shipping Weight: 55 lbs. 21

22 RESIDENTIAL WIRING TRAINERS MODEL TUE-200 RESIDENTIAL WIRING DEMONSTRATOR Students gain a full understanding of National Electrical Code residential electrical circuits. Through actual practice, students attain a substantial beginning level skill and proficiency using tools of the electrical trade. Trainer includes: Casters, locking hardware, inter-connecting twist lock plugs and caps to connect the side panels National Electrical Code manual (latest edition) Wiring instruction practices text Test with blueprints on residential wiring Student manual with references Folds to occupy a minimum of floor space Sturdy construction and completely wired Trainer will provide 100-Amp service Typical wiring jobs include: 2 & 3-way switches Lights controlled from 1 or more locations Central distribution with circuit breakers EMT conduit, NM-B cable and greenfield wiring Old and new work practices In-wall and surface mounted wiring devices Low voltage signaling devices, 120 and 240V AC, 3-wire Edison wiring Control and installation-fluorescent lighting Control and installation-incandescent lighting Overall Size: 91 W x 64 D x 84 H Shipping Weight: 500 lbs Ships in two 64 x 84 sections 22

23 MODEL TUE-150 RESIDENTIAL WIRING TRAINER EDUCATIONAL TRAINING UNIT RESIDENTIAL WIRING TRAINERS This Trainer Panel is used to demonstrate electrical principles similar to those found in a residential dwelling. It also has provision for extensive switching and connection of lamps and outlets. The trainer has a 24 volt power supply that is used to wire and test all circuits After the instructor has approved wiring, 115 VAC can be applied using the key-lock circuit breaker control. The ability to use low voltage for testing and 115 VAC for final wiring is a valuable teaching aid. Trainer includes: Low voltage pushbutton doorbell switch Pilot light to indicate low voltage ON A low voltage buzzer Two standard duplex receptacles GFI duplex receptacles Two lamp sockets Pilot light to indicate 120 VAC is ON Two three-way toggle light switches Standard residential 4 circuit breaker panel Dual 24 VAC, 5 Amp pre-test panel with breaker Three wire grounding AC 120V cord Starter quantity of wire for trainer Condensed Table of Contents: Introduction The Simple Switch The Single-Pole Double-Throw Switch Continuity Testing The Breaker Panel Switches Parallel Switches Series Loads Parallel Loads Series-Parallel Loads The inclusion of the dual 24 VAC power supply makes this a very useful trainer for introductory classes, since all initial breadboarding and testing can be done at low voltage and then 115 VAC is only made available to the trainer after the instructor has used the key to turn on the Electro-Lock to apply 115 VAC. Students learn wiring as well as the proper electrical hookups from the manual that is included. All of the above components are mounted on a quality hardwood panel. Overall Size: 36 W x 30 D x 28 H Electrical Requirements: 115 VAC at 15 Amps, 50/60 Hz Shipping Weight: 65 lbs. 23

24 30333 Emerald Valley Parkway Glenwillow, Ohio USA 2015 Stride Tool Inc. Printed in U.S.A