Unit Description 5-29
PROTECTION DEVICES
TG-VI, µP-IV, µP-V, µP-VI and SR-2/SR-3 Control Systems
• Engine High Coolant Temperature Sensor
• Engine Low Oil Pressure Sensor (Except µP-VI)
• Engine Low Oil Level Switch
• Evaporator High Temperature Sensor
• Refrigerant High Pressure Cutout Switch
• Refrigerant High Pressure Relief Valve
• Suction Pressure Transducer (SL-400, SL-400e, SLX/SLXe/SLXi 300, and SLX/SLXe/SLXi 400 Only)
• Discharge Pressure Transducer (SL-400, SL-400e, SLX/SLXe/SLXi and µP-IV Multi-Temp Units Only)
• 12 V Fuse Link
• Fuse in Main Power Circuit
• Fuse in Control Circuit
• Fuse in Microprocessor Power Circuit
• Fuses in Relay Circuits
• Fuse in Damper Motor or Solenoid Circuit
• Fuse in High Speed Solenoid Circuit
• Fuse in Remote Evaporator Control Circuits (TCI and SPECTRUM Models)
• Fuse in Remote Evaporator Fan Motor Circuits (TCI and SPECTRUM Models)
• Fuse in Modulation Valve Circuit (Option)
• Fuse in Remote Indicator Light Circuit (Option)
• Overload Relay for Electric Standby Motor (Model 50)
• Preheat Buzzer for CYCLE-SENTRY Operation.
Spectrum Remote Evaporator Unit
Smart FETs in the expansion module.
SERIAL NUMBER LOCATIONS
Unit Nameplate
SLe, SLX, SLXe and SLXi: Nameplate is located inside the front access doors on front of unit frame below compressor.
TLE and SPECTRUM Remote Evaporator Nameplate:
Nameplate is located on end of the Remore Evaporator unit frame.
Engine Nameplate
TK 482 and TK 486: Nameplate on rocker arm cover.
Compressor Nameplate
X426 and X430 Compressors: Stamped on end above oil pump.
Electric Motor Nameplate
Standby Electric Motor: Nameplate on motor housing.
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