Description

• Overview
• Controls
  • When vehicle is in motion
    • To switch off heating
  • Heating with vehicle stationary - engine not running
    • To switch heater on
    • To switch heater off
  • Preselecting the time with the optional clock-timer
    • To switch preselector control off
• Operation
  • Heating, engine off
  • Engine heating only, engine running
  • Engine heating and heater booster, engine running
• Maintenance
  • Maintenance tasks
  • Technical specifications
• Parts
  • Housing and heat exchanger
  • Combustion air blower
  • Glow-spark plug
  • Ignition coil
  • Thermo switch
  • Overheating switch
  • Heated air blower
  • Safety switch
  • Electronic temperature regulating switch
    • Warning lamp to chassis No. 412 2064 917 (July 1972)
    • Warning lamp from Chassis No. 413 2000 001 (August 1972)
    • Regulating ranges
  • Temperature sensor
  • Fuel pump
• Wiring Diagram
  • Explanation (Heater with time switch)
• Current flow diagram
  • Current flow diagram after August 1972 (Chassis No. 413 2000 001)
    • Wire color codes
  • Explanation
    • Switch heater on
    • Start-up
    • Heating
    • Regulating
    • Operation of overheating circuit
    • Operation of safety switch
    • Switching heater off
    • Run-on