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Visual Hydraulic Flow

To expose the raw essence of air conditioning theory four color-coded transparent lines were incorporated to monitor

system flow, including the orifice tube housing and accumulator. Suction and discharge lines are equipped with

digital thermometers and analog gauges. The ultra violet LED’s enhance visual of refrigerant flow and oil migration

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Engine Coolant

Aspects of the engine cooling system are utilized as the Stage II Trainer is fully equipped with heater and defrost

 modes. Coolant temperature can be monitored by a digital gauge located at front console. Inlet and outlet coolant

 lines to heater core are also transparent. A conventional radiator cap and filler neck is used to demonstrate a

 cooling system leak test procedure. A low coolant warning pilot light is located at front console.

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Plenum

There are numerous cut-outs at dashboard and plenum. Hidden high resolution LED’s allow visual of evaporator,

 heater core, blower fan, resistor, blend door actuators and ducting to registers. The trainer provides a complete view

 of blend door actuation – hot/cold mix, defrost/vent/floor air, and outside to inside air intake

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Voltage / Amp Draw Dock Stations

HVAC electrical diagnostics can be easily obtained with the use of a volt amp tester / meter connected to the volt /

 amp draw dock stations

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Vacuum Gauge

The manifold vacuum gauge (Hg) is used to monitor vacuum levels necessary to activate plenum blend doors

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Condensation Containment

One gallon capacity condensation containment tank with an 80% “tank full” warning pilot light at console

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Hand-held Controller

Higher engine RPM’s and air flow across the condenser dramatically affect the HVAC system. The start/stop

controller features, in addition to engine idle RPM, three more presets to increase motor RPM on the fly. Also

incorporated in the controller is a 30 mile per hour mobility simulation mode. A high capacity fan at condenser

mimics mobility. The 15’ controller cable allows operator a vantage point of 360 degrees around complete trainer.

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Temperature / Relative Humidity Display & Recorder

Plenum temperature and relative humidity can be monitored and compared against ambient data displayed on a

 large LCD. Minimum /Maximum data is recorded automatically and with the push of a button can be displayed or

 reset on the fly.

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Main Power Key Switch

The trainer features a main power key switch to deter unauthorized usage. Operator can remove key switch from the

 “on” off position.

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Blower Motor Resistors

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Outside to Inside Air Intake

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Evaporator and Heater Core Cutaway

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Visual Hydraulic Flow

Engine Coolant

Plenum

Voltage / Amp Draw Dock Stations

Vacuum Gauge

Condensation Containment

Hand-held Controller

Main Power Key Switch

Blower Motor Resistors

Outside to Inside Air Intake

Evaporator and Heater Core Cutaway