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REFRIGERATION UNIT
Nose Mount Model NMR-262
» Klinge Providing NMR-262 Solutions for Raytheon
» View NMR-262 Spare Parts Kits
» View NMR-262 Service Bulletins
» Download NMR-262 Pre-Trip Form
 
General Information:
The NMR-262 container refrigeration unit was specifically designed for use on 20' and 40' containers for transport of dangerous or extremely valuable cargo.  A microprocessor controller provides reliable temperature control with an accuracy of +-0.3°C (+-0.5°F) in extreme environments.  The unit has two complete and separate refrigeration systems, each with its own thermostat and control circuits.  The NMR-262 offers total redundancy, since each system has enough capacity to ensure the cooling necessary for a particular cargo.  The components in the evaporator section are explosion protected in accordance with the EX G3 norm (UL Class 1 Group D).  The unit complies with the standards and regulations of the major classification societies.
 

Construction:
»
Welded aluminum frame with aluminum sheet metal closures for strength, corrosion resistance and weight control
» Stainless steel hardware throughout to minimize corrosion  

Compressors:
» Two Copeland 3DO750-TFD semi-hermetic

Refrigerants:
» R-404A

Temperature Operating Range:
» -40°F (-40°C) to +125°F (+52°C)

Coils:
» Copper tubes, aluminum fins - both corrosion treated

   
Fans:
» Evaporator: 2 propeller, 16' diameter, 0.25 HP, 1740 rpm
» Condenser: 1 propeller, 20.75' diameter, 2.5 HP, dual winding motor, 1740 rpm
Alarm:
» Separate alarm circuit

Weight:
» 652 kg (1434 lbs)

   
Temperature Recorder:
» 31 day mechanical
Defrost:
» Hot gas
   
Features:
» 100% cooling capacity redundancy for cargo temperatures down to -23°C (±10°F)
» Only 10.6 kW power draw (single compressor operation)
» Microprocessor controls with automatic pre-trip and diagnostics.
» Easy access for service from the front.
» 2 completely separated electric and refrigeration circuits
» Independent alarm system
   
Controls:
» Microprocessor with automatic pre-trip and diagnostics
» Indicator lights: 8 LEDs for operation and alarm conditions
» Automatic phase sensing and correction
» Safety shut down functions
Options:
» Dual voltage
» Generator set (please refer to separate manual, NMG 115)
» Remote monitoring

 

 

Capacity 100°F Ambient Temperature (37.8°C)

Air Temp. to Coil °F (°C) Gross Capacity
BTU/Hr (kCal/Hr)
Fan Heat
BTU/Hr (kCal/Hr)
Net Capacity
BTU/Hr (kCal/Hr)
Power
kW
35 (2) 31,400 (7,876) 1,700 (426) 29,700 (7,450) 10.6
10 (-18) 21,200 (5,316) 1,700 (426) 19,500 (4,8900) 9.3
 
All specifications are subject to change without notice.  For further information about this or any Klinge-product, please contact us at any of our offices.
 

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