Automatic Temperature Control

• Description
  • Notes
  • Instrument Panel Control Head
  • Sensor System & Temperature Dial Rheostat
    • Notes
    • In-Car Sensor
    • Ambient Sensor
    • Feedback Potentiometer
  • Programmer
    • Notes
    • Amplifier
    • Transducer
    • Vacuum Motor
    • Vacuum Checking Relay
    • Feedback Potentiometer
  • Other Control Units
    • Engine Thermal Switch
    • In-Car Temperature Switch
    • Ambient Switch
    • Heater Delay Relay
    • Lo Relay
    • Auto Relay
• Operation
  • Notes
  • Temperature Dial (Thumbwheel)
  • Control Head Selector Lever
    • Notes
    • Off
    • Vent
    • Lo
    • Auto
    • Hi
    • Bi-Level
    • Def
• Adjustment
  • Notes
  • Programmer Link & Temperature Door
  • Temperature Dial Calibration
  • Feedback Potentiometer (Programmer Amplifier) Calibration
• Testing
• Troubleshooting
  • Blower, Programmer, & Compressor Inoperative
  • Hi Blower Only MAX HEAT Position
  • Lo Blower Only
  • No Lo Blower In OFF, VENT, and LO Positions
  • Immediate Lo Blower at Car Start Up (Temp. Below 80°F.)
  • Low Blower Inoperative, All Positions
  • Compressor Inoperative Above 32°F. Ambient
  • Maximum Heat Mode AUTO RANGE Positions, No Temperature Control, No Automatic Blower Changes
  • Max. A/C All Positions