Description
High-capacity, frontmount, diesel-powered cooling and heating units, designed and engineered for today's jumbo trailers using chlorine-free R-404A refrigerant.

Models Available:
SB-III SR+: Standard cooling and heating unit.
SB-III 50 SR+: Standard cooling and heating unit with electric standby.

Operation Continuous run/Cycle-Sentry Programmable automatic defrost initiation Programmable defrost timer Demand defrost initiation

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

Return Air
To Evaporator		Btu/hr	Watts
35ºF	(2ºC)	46,000	13,480
0ºF	(-18ºC)	32,000	9,375
-20ºF	(-29ºC)	21,000	6,155

Engine Model se 2.2 direct-injection diesel engine Four cylinder, liquid cooled API classified CD mineral oil after break-in 15 qt. (14.2 liter) oil capacity 34.8 hp rating operating at 2200 rpm 1500 hour maintenance intervals

Compressor Model X430, 4-cylinder 30.0 cu. in. (491.6 cm³) displacement High-strength forged crankshaft Lightweight, aluminum alloy body, heads and sump Replacemeable cylinder liners Vanasil® ringless pistons Gerotor oil pump

Refrigerant

• R-404A, chlorine free, Zero Ozone Depletion Potential (ODP), internationally approved

   

• Solid-State, electonic 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)
  • Engine oil pressure
  • Engin RPMs
  • Alternator charge rate AMPs
  • Battery volts
  • Total on-time hrs
  • Engine run-time hrs
  • Electric run-time hrs
  • 3 additional programmable hourmeters
• Cycle-Sentry start/stop Control System
• Alert monitoring system
• Programmable defrost timer
• Ductless directional air evaporator
• Vibration isolation system
• Direct injected se 2.2 engine
• Model X430 compressor
• Stainless steel suction vibrasorber
• Manual control switches
  • On-Off

• Preheat/Start
• Defrost
• Cycle-Sentry/Continuous Run
• Coolant protection
  • Check level alarm indicator
  • 50:50 antifreeze
  • Radiator coolant reserve
  • Heavy-duty EPDM coolant hoses
• Corrosion-resistant protection
  • Stainless steel grille
  • Stainless steel center band insert
  • Chromated and alkyd enamel coated aluminum and ABS plastic exterior
  • 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/water separator
  • Fuel flow oil filter
  • Bypass oil filter
  • Compressor oil bypass 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
• Installation kit:
  • 50 gal (189 liter) aluminum undermount diesel fuel tank
  • Installation hardware
  • Battery cables
  • Battery hold-down and tray

• Temperature modulation electronic package
• Data logger/Data tracker information
• Compound gauge
• Fresh air exchange ventilation system
• Silicone hoses
• Remote indicator lights

• Rear remote control
• Bulkhead, air return
• Paint, special color
• Shutters, condensor (factory installed)
• Fuel heater (factory installed)
• Frost plug heater
• 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
• LDB noise abatement
• Arctic package (for superior heating in cold ambient conditions)