Description
Microprocessor-controlled, super high capacity, frontmount, diesel-powered temperature control unit with ductless directional air delivery for today's jumbo trailers.

Models Available:
Magnum Whisper Edition: Temperature control using R-404A refrigerant.

Operation Continuous run/Cycle-Sentry Single-switch operation Automatic defrost initiation Programmable defrost timer

Refrigeration Capacity
System net cooling capacity at 100°F (38°C) ambient and high-speed engine operation:
 

Evaporator Return Air		Btu/hr	Watts
35ºF	(2ºC)	46,000	13,481
0ºF	(-18ºC)	38,500	11,283
-20ºF	(-29ºC)	30,000	8,792

Engine TK486 quiet running, direct-injection diesel engine 4-cylinder, liquid cooled API classified CD mineral oil after break-in 15 qt. (14.2 liter) oil capacity 34.0 hp rating operating at 2200 rpm 1500 hour maintenance intervals

Compressor Model S391 23.8 cu. in. (391.6 cm³) displacement High strength driveshaft Lightweight, aluminum alloy oil separator body and sump All rolling bearings Twin rotor Full flow compressor oil filter with pressure bypass

• Programmable Thermoguard® MP-VI microprocessor controller with digital display of:
  • Temp set point (ºF or ºC)
  • Temp return air (ºF or ºC)
  • Temp discharge air (ºF or ºC)
  • Evaporator coil temp (ºF or ºC)
  • Ambient temp (ºF or ºC)
  • Engine water temp (ºF or ºC)
  • Compressor oil sump temperature
  • Engine RPMs
  • Alternator charge rate AMPs
  • Battery volts
  • Total on-time hrs
  • Engine run-time hrs
  • Electric run-time hrs
  • Additional temperature probe
  • 3 additional programmable hourmeters
• Smart Set control for fresh procude
• Low decible package
• Cycle-Sentry start/stop Control System
• Data logger/data tracker information management system
• Alert monitoring system
• Programmable defrost timer
• Ductless directional air evaporator
• Vibration isolation system
• Direct injected TK486 engine

• Model S391 compressor
• Stainless steel suction vibrasorber
• Capacity booster module, refrigeration system
• Composite center doors
• Custom appearance package
• Manual control switch
  • On-Off
• Coolant protection
  • Check level alarm indicator
  • 50:50 antifreeze
  • Radiator coolant reserve
  • Heavy-duty EPDM coolant hoses
• Corrosion-resistant protection
  • Rust-free composite lower doors and panels
  • Stainless steel grille
  • Stainless steel center band
  • Immersion dipped frame
  • Stainless steel condenser exterior hardware
  • Coated refrigerant tubing
  • Vinyl-coated power pack
  • Polyethylene battery tray
• Maintenance reduction features:
  • Vibration isolation system
  • Alternator, 37 amp, 12V dc
  • Dry-type air cleaner
  • Dual-stage fuel filter
  • Fuel/water separator
  • Full flow oil filter
  • Bypass oil filter

• Dual-belt fan-drive system
• Tapered roller bearing fanshaft
• Tapered roller bearing idlers
• Copper tube and fin radiator
• Protection devices:
  • Engine coolant high temp coutout
  • Engine low oil pressure cutout
  • Refrigerant high pressure cutout
  • Refrigerant high pressure relief valve
  • 40 amp fuse in control circuit
  • 15 amp fuse in throttle solenoid circuit
  • 12 volt current limiter fuse link
  • Compressor high temperature sensor
• Installation kit:
  • 50 gal (189 liter) aluminum undermount diesel fuel tank
  • Installation hardware
  • Battery cables
  • Battery hold-down and tray

• Silicone coolant hoses
• Remote status lights
• Rear remote control with pre-trip
• Arctic package
• Temperature modulation electronic package
• Fuel heater (factory installed)

• Frost plug heater
• Fresh air exchange ventilation system
• Bulkhead, air return
• Paint, special color
• Alternator, 65 amp, 12V dc
• Battery, 12V (dealer supplied)
• Battery cable, threaded post

• Fuel tanks (in lieu of standard):
  • 30 gal. (114 liter) undermount aluminum
  • 110 gal. (416 liter) undermount steel