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description:-
the a.c. Test rig works on simple vapour  compression refrigeration
cycle using r 134 a as a refrigerant.
the system is fabricated such that student can study all the air conditioning
processes. it is also useful to understand working of all the components of
system, their performance and control etc.
all the components are mounted on the display board, so that students
can observe their working easily.
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specifications subject to change without any notification.
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list of experiments:
to evaluate the tonnage capacity of the air conditioning system by enthalpy difference method.
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technical specifications:-
SUB-TITLE | PARAMETER | DESCRIPTION | |
| MODEL | NAEAC-01E | |
REFRIGERATION SYSTEM | Capacity | 0.30 TR @Rated test conditions | |
| Compressor | Hermetically sealed. Make :Emerson Climate Tech./ Tecumseh Products India Ltd./ Danfoss Ltd./or any equivalent make. | |
| Condenser | Forced convection air cooled. | |
| Condenser fan | Axial flow. | |
| Drier/ filter | Provided. | |
| Expansion device | Capillary Tube. | |
| Evaporator | Forced convection air cooled. | |
| Evaporator Fan | Axial Flow Type | |
| Dehumidifier or Reheater | 1000 Watts; Finned Type. | |
| Humidifier | Provided | |
| Refrigerant | R-134 a. | |
CONTROLS & INDICATIONS | HP / LP Cut-out | Alco/ or Danfoss / Castle or equivalent make. | |
| Temperature | 6 Channel facility with digital display. | |
| Pressure | 2 Nos.; Dial type pressure gauges. | |
| Refrigerant Flow | Glass tube Rotameter provided. | |
| Air temperature | DBT & WBT measurement by sling psychrometer. | |
| Air flow measurement | By inclined tube manometer. | |
ELECTRICAL SYSTEM | Supply | 220-240 Volts, 50 Hz, 1 phase. | |
Input power | 1.2 kW. | ||
Rated current | 5.5 Amps. | ||
Indicating lamps | Provided for compressor and heater. | ||
Energy-meters | Range 0-20 A; provided for Compressor | ||
CONSTRUCTION | Material | Panel: 1.2 mm thick CRCA | |
Outer finish | Powder coating | ||
Size | 900 x 600 x 1480 (L x B x H) | ||
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Miraj, Sangli, Maharashtra 
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