Mechanical Heat Pump Trainer Manufacturer,Supplier and Exporter in India
Product Code : EL-RAACL-10090
Jlab Export is a leading Mechanical Heat Pump Trainer Manufacturer,and suppliers in India
Mechanical Heat Pump Trainer (code EL-RAACL-10090) is a vapour-compression heat pump on which students measure how much heat a compressor moves from one water stream to another. A 0.3 TR hermetically sealed compressor on R-12 refrigerant works between a water-cooled shell and coil evaporator and condenser, with rotameters, gauges, thermometers and a wattmeter. Every unit of this water-to-water heat pump trainer is made by JLab in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Compressor | Hermetically sealed, R-12 refrigerant, 0.3 TR |
| Condensing pressure | 15 kg/cm² maximum (actual pressure depends on working conditions) |
| Condenser | Shell and coil, continuous water flow |
| Evaporator | Shell and coil, continuous water flow |
| Expansion valve | Internally equalised thermostatic expansion valve |
| Flow measurement | Rotameters for condenser and evaporator water flow; rotameter for liquid refrigerant flow |
| Pressure and temperature | 2 pressure gauges (condensing and evaporating); 7 thermometers for refrigerant cycle and water temperatures |
| Electrical measurement | Wattmeter for compressor input; ammeter for compressor current |
| Controls | HP/LP cutout, compressor overload protector, gate valves for water flow, switches and fuse |
| Services | Floor area 2 × 2 m, 1.5 m high; 220 V, 15 A single-phase stabilised supply |
| Quality check | Each trainer is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 1 unit |
| Dispatch time | Usually 14–18 working days |
| Product code | EL-RAACL-10090 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Heat Delivered Against Work Put In
A heat pump moves heat from a cold source to a warmer sink: here, from the evaporator water to the condenser water. The heat delivered is the condenser water flow from its rotameter multiplied by the specific heat of water and the water temperature rise, and dividing it by the compressor input from the wattmeter gives the heat pump COP. Because the condenser rejects the heat taken in at the evaporator plus the compressor work, this COP comes out above 1, which is why a heat pump gives more heat than direct electrical heating with the same input. The evaporator water gives the refrigerating effect the same way, closing the energy balance.
Running the Tests
Gate valves set the water flow through each shell, so students can vary the source and sink and watch the COP fall as the gap between evaporating and condensing pressures widens. The thermostatic expansion valve meters the refrigerant to hold a steady superheat at the evaporator outlet. The HP/LP cutout and the overload protector stop the compressor on abnormal pressure or current; a technical manual is included.
Other Heat Pumps and Refrigeration Trainers
- Mechanical Heat Pump Test Rig — wheel-mounted rig with water-cooled condenser and evaporator.
- Thermo Electric Heat Pump — Peltier-device accessory with a heater and water-cooled heat exchanger.
- Water Cooler Trainer — capillary-tube cooling cycle with a refrigerant rotameter and energy meter.
- Ice Plant Trainer — refrigeration cycle that freezes water in cans set in brine.
See Refrigeration and Air Conditioning Lab, part of Engineering Lab Equipment, for related trainers.
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Last updated: 30 October 2026
