Thermo King UT-1200, Manual

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Specifications
22
Engine Clutch
Model P/N 107-290 (Dwg. No. 2C38623G01)
Engagement 600 ± 100 RPM
Dynamic Torque 60 ft-lb (81 N•m) minimum @ 1600 RPM
Belt Tension
NOTE: Use belt tension gauge TK P/N 204-427 or Frequency Gauge TK P/N 204-1903 whenever possible to
check belt tension. New belts should be tensioned cold and tensioned cold again after 10 hours of unit
operation.
Belt Tension No. on TK Gauge P/N 204-427
Engine/Electric Motor 75 ± 5
Compressor/Electric Motor 75 ± 5
Electric Motor/Alternator 55 ± 5
Water Pump/Engine 40
Refrigeration System
Compressor Model TK06 Scroll 6 HP
Refrigerant Charge Approximately 9.9 lb (4.5 kg) R-404A see “Evacuation,
Dehydration, and Charging” on page 115.
*Compressor Oil Charge 1.97 quarts (1.86 liters)
Compressor Oil Type Ester base P/N 203-516 required for Scroll compressor
Throttling Valve Setting 32 to 34 psig (220 to 234 kPa)
Discharge Pressure Regulator Valve Setting 350 ± 5 psig (2413 ± 34 kPa)
High Pressure Cutout Switch: Open
Close
470 ± 7 psig (3241 ± 48 kPa)
375 ± 38 psig (2586 ± 262 kPa)
* When the compressor is removed from the unit, oil level should be noted or the oil removed from the
compressor should be measured. This is to be sure that the same amount of oil can be added before placing the
replacement compressor in the unit.
Electrical Control System
Control System Voltage 12.5 Vdc (nominal)
Battery 12 Volt, AHr Rating - 75 AHrs, 640 Cold Cranking Amps at
0 F (-18 C) (ENCCA)
Battery Charging System: UT-800
UT-1200
12 volt, 65 amp, brush type, Thermo King alternator
12 volt, 120 amp, brush type, Thermo King alternator
Voltage Regulator Setting 13.8 to 14.4 volts @ 77 F (25 C)
NOTE: Fuse F4 (Bypass resistor for Prestolite Alternator) must be removed for the Thermo King
Alternator.