Specifications
23
Refrigeration System
Compressor Model TKO Scroll
Refrigerant Charge Approximately 13.44 lb (6kg)
*Compressor Oil Charge 1.6 qt (1.5 liters)
Compressor Oil Type: R-404A (EAL 22) Ester base required for Scroll compressor (See Tool
Catalog) P/N 203-516
Throttling Valve Setting 28 ± 1 psig (193 ± 7 kPa)
High Pressure Cutout Switch: Open
Close
470 ± 7 psig (3241 ± 48 kPa)
375 ± 38 psig (2586 ± 262 kPa)
Liquid Injection Valve: Closed
Open
Below 250 F (121 C)
285 F (141 C)
Compressor High Temperature: Shutdown
Restart
300 F (149 C) for 3 seconds
<
250 F (121 C) plus a 15 min timer
Discharge Pressure Regulator Valve Setting: 340 to 400 psig (2344 to 2758 kPa) with one zone in
heat or defrost regardless of ambient temperature
* When the compressor is removed from the unit, oil level should be noted or the oil removed from the
compressor should be measured so that the same amount of oil can be added before placing the
replacement compressor in the unit.
Engine Clutch - Hilliard
Engagement 600 ± 100 RPM
Dynamic Torque 66 ft-lb (89.5 N•m) minimum @ 1600 RPM
Electrical Control System
Control System Voltage 12.5 Vdc
Battery Fuse F1 (2 Circuit) 60 amps
Fan Motor Fuses 30 amps each
Starter Fuse F2 (2 Circuit) 40 amps
Battery Charging System 12 volt 90 amp alternator
Voltage Regulator Setting 14.1 ± 0.2 volts @ 70 F (21 C)
Alternator/Regulator Capacitor 4.7 µfd 50 Vdc
Alternator/Output Capacitor 0.5 µfd 100 Vdc
Interface Board Fuses See Description Section
NOTE: Disconnect components from unit circuit to check resistance.
Defrost Timer
SPECTRUM
™
TS with HMI Controller 2, 4, 6, 8 or 12 hours (adjustable through
SPECTRUM™ TS Microprocessor controller) (default
setting =6)
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