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Metasys NCM-1 Installation Procedures Manual

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NCM-1 and CAP-1 Installation Procedures
NCM-1 and CAP-1 Installation Procedures

• NCM-1 Installation

• CAP-1 Installation
© 2001 Johnson Controls, Inc.
Code No. LIT-448161
IFC-1010/2020 Technical Manual 448
Hardware Installation Section
Technical Bulletin
Issue Date 0401
Page
www.johnsoncontrols.com
3
*3
*5
1

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Summary of Contents for Metasys NCM-1

  • Page 1 IFC-1010/2020 Technical Manual 448 Hardware Installation Section Technical Bulletin Issue Date 0401 NCM-1 and CAP-1 Installation Procedures NCM-1 and CAP-1 Installation Procedures Page • NCM-1 Installation • CAP-1 Installation © 2001 Johnson Controls, Inc. Code No. LIT-448161 www.johnsoncontrols.com...
  • Page 2 Hardware Installation—NFM-1 and CAP-1 Installation Procedures...
  • Page 3 Installation comply with FCC (Federal Communications Commission) requirements for radiated energy, you must use the NCM-1 in all IFC-1010/2020 applications where the wiring does not consist of a twisted/shielded pair. Refer to Figure 1 for wire designations. If any portion of the SLC cable is both twisted and shielded, an NCM-1 must be located at the IFC-1010/2020 panel and connected to the SLC.
  • Page 4 Figures 49 and 50 in the Installing the IFC-1010/2020 Technical Bulletin (LIT-448155). Place the NCM-1 at the control panel. When wiring the SLC Style 6, connect an NCM-1 to each end of the SLC at the control panel.
  • Page 5 CAP-1 The CAP-1 filters out high frequency AC interference between the earth Installation ground and the system common within the same cabinet (one power supply). The CAP-1 is not polarized. Cap1cap Figure 2: CAP-1 0.1uF (microfarads) Capacitor System Common In all IFC-1010/2020 systems, it is a good practice to install a CAP-1 to Earth Ground between the system common and earth ground only on the main power supply powering the CPU-1010 or CPU-2020.
  • Page 6 Notes Hardware Installation—NFM-1 and CAP-1 Installation Procedures...
  • Page 7 Notes Hardware Installation—NFM-1 and CAP-1 Installation Procedures...
  • Page 8 Notes Controls Group www.johnsoncontrols.com 507 E. Michigan Street FAN 448 P.O. Box 423 IFC-1010/2020 Technical Manual Milwaukee, WI 53201 Printed in U.S.A. Hardware Installation—NFM-1 and CAP-1 Installation Procedures...

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