Water Chiller Trainer Model RAC 090
Water Chiller Trainer Model RAC 090
Sci-tech Water Chiller Training Unit Model RAC 090 is a fully operational, water chiller, which enables the student to adjust and investigate a typical water cooler operating under load, either with or without evaporator pressure regulation.
Features
– Fully Operational Water Chiller With Cooling Load
– Evaporator Pressure Regulator to Demonstrate Non- Freeze Cooling
– Optional Data Acquisition Available
Item Description
The cooling of pure water requires that the evaporator surface temperature does not fall below 0°C or the system will freeze and may result in damage. This unit allows students to safely explore the parameters affecting evaporating pressure without danger to the operator or equipment.
As with all Sci-tech vocational equipment all of the components are clearly arranged on a panel allowing easy identification. Components include:
– Hermetic compressor
– Water cooled condenser with adjustable pressure control
– Liquid receiver
– Water cooling evaporator
– Adjustable evaporator pressure regulation
– Suction accumulator
– Cooling load, adjustable in steps of 1.0 and 0.5kW
– Adjustable cooling water flow
– Pressure, temperature and flow rate measurement.
– Control panel that will accept optional computerized data acquisition
Technical Specifications
The unit is mounted on a steel framework, with metal base and back panels and incorporates:
– Hermetic compressor
– Water-cooled condenser.
– Liquid receiver
– Adjustable condenser pressure regulator
– Water-cooling evaporator
– Thermostatic expansion valve
– Adjustable evaporator pressure regulator with detachable service gauge.
– Suction accumulator.
– Water tank with individual switchable loads of 1kW, 1kW and 0.5kW
– Water circulating pump with flow control.
Instrumentation includes:
– Digital temperature indicator with 10 way selector switch.
– Condenser and evaporator water flow meters.
– Condenser and suction pressure gauges and detachable evaporator pressure gauge.
– Optional refrigerant flowmeter.
Control panel includes
– Overload protection
– Contactor
– Earth leakage protector
– Optional computerized data acquisition system.
Requirements
– 220 – 240V, 50Hz, 1 phase Power Supply
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