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Service Manual Stepper 1769

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Item #: HR1769K
incl. parts list
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Service Manual and Parts List for the R.O. receiver unit 1769 - all diagrams of sequences are included.

  • General Information
  • Selection made, receiver receives first pulse
  • Stepper  Release Coil Operates - Wall Box Selection Circuits Connected
  • 1st Pulse Train Step Switch Sequence Completed
  • Intervall Betrween 1st and 2nd Train - Transfer Relay Operates
  • Receiver Receives 2nd Train od Pulses
  • 2nd Pulse Train Step Switch Sequence Completed - Second Train Pulse Ceases
  • Search Motor Stops - Selection Made
  • Wall Box Selection Complete - Receiver Resets
  • Parts List

30 pages, spiralbound copy, text: English

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